CN106809026B - The braking recovery system and method for train, energy-accumulating power station and control centre - Google Patents
The braking recovery system and method for train, energy-accumulating power station and control centre Download PDFInfo
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- CN106809026B CN106809026B CN201610841047.XA CN201610841047A CN106809026B CN 106809026 B CN106809026 B CN 106809026B CN 201610841047 A CN201610841047 A CN 201610841047A CN 106809026 B CN106809026 B CN 106809026B
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- 238000011084 recovery Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005611 electricity Effects 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 description 14
- 238000004146 energy storage Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/13—Trolley wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/06—Arrangements for consuming regenerative power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
- B61L2027/204—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using Communication-based Train Control [CBTC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses the braking recovery system and method for a kind of train, which includes：Traction networks；Energy-accumulating power station, energy-accumulating power station are connected with Traction networks, and energy-accumulating power station includes two-way DC/DC converters and controller, and controller is used to control two-way DC/DC converters according to the voltage of Traction networks carries out charge or discharge to control energy-accumulating power station.The embodiment of the present invention absorbs braking electric energy by energy-accumulating power station; to realize the recycling and reuse of braking electric energy; reduce energy waste; reduce the load of Traction networks; and effectively monitor the voltage of Traction networks; the parts of protection system avoid the electric appliance damage on Traction networks, improve the safety of system.The embodiment of the present invention also proposed a kind of energy-accumulating power station and a kind of control centre for train scheduling.
Description
Technical field
The present invention relates to technical field of rail traffic, more particularly to the braking recovery system of a kind of train, a kind of energy storage electricity
It stands, is a kind of for the control centre of train scheduling and a kind of braking recovery method of train.
Background technology
With the continuous expansion of city size, traffic increasingly congestion, track train, such as light rail, subway etc. have become mesh
The main traffic mode in preceding many cities.Train will produce a large amount of braking electric energy during braking, with environmentally protective
Theory the problem of constantly deepening, train braking electric energy is recycled and recycled it is very urgent.Has related skill at present
Art discloses, and battery is arranged among train and is recycled to braking electric energy, and is train power supply.However generated when train braking
It is very big to brake electric energy, if to be absorbed by on-vehicle battery, needs that a large amount of battery is installed ON TRAINS, not only sternly
The weight for increasing train again, influences the energy consumption of train operation, and can also increase unnecessary cost.
Therefore, the relevant technologies needs are improved.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
First purpose is to propose that a kind of braking recovery system of train, the system may be implemented to brake the recycling of electric energy and again profit
With.
Second object of the present invention is to propose a kind of energy-accumulating power station.Third object of the present invention is to propose a kind of
Control centre for train scheduling.Fourth object of the present invention is to propose a kind of braking recovery method of train.
In order to achieve the above objectives, a kind of braking recovery system for train that first aspect present invention embodiment proposes, including：
Traction networks；Energy-accumulating power station, the energy-accumulating power station are connected with the Traction networks, and the energy-accumulating power station includes two-way DC/DC converters
And controller, the controller are connected with the two-way DC/DC, the controller is used to be controlled according to the voltage of the Traction networks
The two-way DC/DC converters carry out charge or discharge to control the energy-accumulating power station.
The braking recovery system of the train proposed according to embodiments of the present invention, when train is braked, train generates system
Electrokinetic energy, and braking electric energy is fed back into Traction networks, controller two-way DC/DC converters are controlled according to the voltage of Traction networks so that
Energy-accumulating power station absorbs the braking electric energy of train.In addition, energy-accumulating power station can also be according to the voltage of Traction networks to Traction networks
It discharges, to avoid the brownout of Traction networks, maintains the normal work of Traction networks.In embodiments of the present invention, it is arranging
Braking electric energy is first fed back into Traction networks when vehicle is braked, at this time if the train on Traction networks is relatively more, can will be fed back
Braking electric energy uniformly arrive other trains, therefore the voltage of Traction networks will not increase very much.If instead at this time on Traction networks
Train is less, or the train braked at this time is more, then the voltage of Traction networks will increase, in embodiments of the present invention, can be with
Braking electric energy is absorbed by energy-accumulating power station, the voltage to avoid Traction networks is more than maximum rated voltage.The present invention is implemented
Example absorbs braking electric energy by energy-accumulating power station, to realize the recycling and reuse of braking electric energy, reduces the energy
Waste, reduces the load of Traction networks.Also, the embodiment of the present invention can protect system with the voltage of effective monitoring Traction networks
Parts avoid the electric appliance damage on Traction networks, improve the safety of system.
According to one embodiment of present invention, the controller is used to be more than the first default threshold in the voltage of the Traction networks
When value, the two-way DC/DC converters are controlled so that the energy-accumulating power station charges.
According to one embodiment of present invention, the controller is used to be less than the second default threshold in the voltage of the Traction networks
When value, the two-way DC/DC converters are controlled so that energy-accumulating power station discharges, wherein second predetermined threshold value is less than institute
State the first predetermined threshold value.
According to one embodiment of present invention, after the energy-accumulating power station discharges to the Traction networks, the controller
It is additionally operable to, when the voltage of the Traction networks is more than third predetermined threshold value, control the two-way DC/DC converters so that the storage
Energy power station stops electric discharge, wherein the third predetermined threshold value is less than first predetermined threshold value.
According to one embodiment of present invention, the braking recovery system of the train further includes：Control centre, the control
For discharging in the energy-accumulating power station, and when the voltage of the Traction networks is less than four predetermined threshold values, control is online at center
The battery of the train of operation discharges to the Traction networks.
According to one embodiment of present invention, control centre's selection electricity is more than the electricity of the train of default power threshold
It discharges in pond.
According to one embodiment of present invention, the energy-accumulating power station can be multiple, and the multiple energy-accumulating power station is according to default
Distance interval is arranged.
According to one embodiment of present invention, can interior per 3-6 kilometers two energy-accumulating power stations, the energy-accumulating power station be set
Power can be 0.5-2MW.
In order to achieve the above objectives, a kind of energy-accumulating power station that second aspect of the present invention embodiment proposes, including：Two-way DC/DC
Converter, the two-way DC/DC converters are connected with the Traction networks of train；Controller, the controller and the two-way DC/DC
Converter is connected, and the controller is used to control the two-way DC/DC converters according to the voltage of the Traction networks to control
It states energy-accumulating power station and carries out charge or discharge.
The energy-accumulating power station proposed according to embodiments of the present invention, controller control two-way according to the voltage of the Traction networks of train
DC/DC converters so that energy-accumulating power station absorbs the braking electric energy of train, and according to the voltage of Traction networks to Traction networks into
Row electric discharge, to avoid the brownout of Traction networks, maintains the normal work of Traction networks.In embodiments of the present invention, in train
Braking electric energy is first fed back into Traction networks when being braked, it, can be by feedback at this time if the train on Traction networks is relatively more
Braking electric energy uniformly arrives other trains, therefore the voltage of Traction networks will not increase very much.If instead the row on Traction networks at this time
Vehicle is less, or the train braked at this time is more, then the voltage of Traction networks will increase, in embodiments of the present invention, Ke Yitong
It crosses energy-accumulating power station to absorb braking electric energy, the voltage to avoid Traction networks is more than maximum rated voltage.The embodiment of the present invention
Braking electric energy is absorbed by energy-accumulating power station, to realize the recycling and reuse of braking electric energy, reduces energy wave
Take, reduces the load of Traction networks.Also, the embodiment of the present invention can protect the zero of system with the voltage of effective monitoring Traction networks
Component avoids the electric appliance damage on Traction networks, improves the safety of system.
According to one embodiment of present invention, the controller is used to be more than the first default threshold in the voltage of the Traction networks
When value, the two-way DC/DC converters are controlled so that the energy-accumulating power station charges.
According to one embodiment of present invention, the controller is additionally operable to default less than second in the voltage of the Traction networks
When threshold value, the two-way DC/DC converters are controlled so that energy-accumulating power station discharges, wherein second predetermined threshold value is less than
First predetermined threshold value.
According to one embodiment of present invention, after the energy-accumulating power station discharges to the Traction networks, the controller
It is additionally operable to, when the voltage of the Traction networks is more than third predetermined threshold value, control the two-way DC/DC converters so that the storage
Energy power station stops electric discharge, wherein the third predetermined threshold value is less than first predetermined threshold value.
In order to achieve the above objectives, a kind of control centre for train scheduling that third aspect present invention embodiment proposes,
Including：Detection device, the detection device are connected with Traction networks, and the detection device is for detecting the supply conductor voltage；It is logical
T unit, for being communicated with energy-accumulating power station and train；Control device, the control device and the detection device and described
Communication device is connected, and the control device in the energy-accumulating power station for discharging, and the voltage of the Traction networks is less than the
When four predetermined threshold values, the battery for controlling the train of the on-line operation discharges to the Traction networks.
The control centre for train scheduling proposed according to embodiments of the present invention, control device control energy-accumulating power station and carry out
It discharges, and detects the voltage of Traction networks in real time by detection device, when the voltage of Traction networks is less than four predetermined threshold values, control
Device sends out control signal, and is communicated with the train on Traction networks by communication device, to control the train of on-line operation
Battery discharge to Traction networks, to avoid the brownout of Traction networks, maintain the normal work of Traction networks.The present invention is real
It applies example to discharge by the battery of the train of on-line operation, so as to the voltage of effective monitoring Traction networks, protects system
Parts avoid the electric appliance damage on Traction networks, improve the safety of system.
According to one embodiment of present invention, the control device selection electricity is more than the electricity of the train of default power threshold
It discharges in pond.
In order to achieve the above objectives, a kind of braking recovery method for train that fourth aspect present invention embodiment proposes, including
Following steps：Monitor the voltage of Traction networks；The two-way DC/DC converters of train are controlled so that energy storage is electric according to the voltage of Traction networks
It stands and carries out charge or discharge.
The braking recovery method of the train proposed according to embodiments of the present invention, the real-time voltage for monitoring Traction networks, and according to
The two-way DC/DC converters of the voltage control train of Traction networks are so that energy-accumulating power station absorbs train braking electric energy, to keep away
The voltage for exempting from Traction networks is more than maximum rated voltage.Further, it is also possible to control energy-accumulating power station to traction according to the voltage of Traction networks
Net discharges, and to avoid the brownout of Traction networks, maintains the normal work of Traction networks.The embodiment of the present invention passes through energy storage
Power station absorbs braking electric energy, to realize the recycling and reuse of braking electric energy, reduces energy waste, reduction is led
Draw the load of net.Also, the embodiment of the present invention can be protected the parts of system, avoided with the voltage of effective monitoring Traction networks
Electric appliance damage on Traction networks, improves the safety of system.
According to one embodiment of present invention, the braking recovery method of the train further includes：Judge the Traction networks
Whether voltage is more than the first predetermined threshold value；If the voltage of the Traction networks be more than first predetermined threshold value, control described in
Two-way DC/DC converters are so that the energy-accumulating power station charges.
According to one embodiment of present invention, the braking recovery method of the train further includes：Judge the Traction networks
Whether voltage is less than the second predetermined threshold value；If the voltage of the Traction networks be less than second predetermined threshold value, control described in
Two-way DC/DC converters are so that the energy-accumulating power station discharges, wherein it is default that second predetermined threshold value is less than described first
Threshold value.
According to one embodiment of present invention, the braking recovery method of the train further includes：Judge the Traction networks
Whether voltage is more than third predetermined threshold value；If the voltage of the Traction networks be more than the third predetermined threshold value, control described in
Two-way DC/DC converters are so that the energy-accumulating power station stops electric discharge, wherein it is default that the third predetermined threshold value is less than described first
Threshold value.
According to one embodiment of present invention, the braking recovery method of the train further includes：Judge the Traction networks
Whether voltage is less than the 4th predetermined threshold value；If the voltage of the Traction networks is less than the 4th predetermined threshold value, on-line operation is controlled
The battery of train discharge to the Traction networks.
According to one embodiment of present invention, the battery of the train of the control on-line operation is put to the Traction networks
Electricity specifically includes：The electricity of the battery of the train is detected, and judges whether the electricity of the battery is more than default power threshold；
If the electricity of the battery is more than default power threshold, the battery for controlling the train discharges.
Description of the drawings
Fig. 1 is the block diagram according to the braking recovery system of the train of the embodiment of the present invention；
Fig. 2 is the block diagram according to the braking recovery system of the train of one embodiment of the invention；
Fig. 3 is the block diagram according to the braking recovery system of the train of another embodiment of the present invention；
Fig. 4 is the block diagram according to the energy-accumulating power station of the embodiment of the present invention；
Fig. 5 is the block diagram according to the control centre for train scheduling of the embodiment of the present invention；
Fig. 6 is the flow chart according to the braking recovery method of the train of the embodiment of the present invention；And
Fig. 7 is the flow chart according to the braking recovery method of the train of a specific embodiment of the invention.
Reference numeral：
Traction networks 1, train 2 and energy-accumulating power station 3；
Two-way DC/DC converters 301 and controller 302；Control centre 4；
Detection device 401, communication device 402 and control device 403.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings come the braking recovery system of train of proposition of the embodiment of the present invention is described, the braking of train is recycled
Method, energy-accumulating power station and the control centre for train scheduling.
As shown in Figure 1, for according to the block diagram of the braking recovery system of the train of the embodiment of the present invention.Such as Fig. 1 institutes
Show, the braking recovery system of the train includes：Traction networks 1 and the multiple energy-accumulating power stations 3 being connected on Traction networks 1.In the present invention
Embodiment in, multiple trains 2 are also connected on Traction networks 1, wherein Traction networks 1 provide direct current to multiple trains 2, and train 2 is logical
It crosses electricity getting device and takes electricity among Traction networks.In one embodiment of the invention, train 2 is straddle-type monorail train.At this
In the embodiment of invention, it can be absorbed by the braking electric energy that energy-accumulating power station 3 generates train 2.Since train 2 is to leading
When drawing 1 regenerative braking electric energy of net, the voltage of Traction networks 1 can increase, therefore energy-accumulating power station 3 can carry out the voltage of Traction networks 1
Monitoring.When the voltage of Traction networks 1 increases, braking electric energy can be absorbed by energy-accumulating power station 3, to prevent the voltage of Traction networks 1
More than maximum rated voltage, and break down.In an embodiment of the present invention, if the train run on Traction networks 1 is more,
The voltage of Traction networks 1 can decline, and when the voltage of Traction networks 1 declines, can be discharged Traction networks 1 by energy-accumulating power station 3, with
The voltage of Traction networks is avoided to be less than minimum rated voltage.Specific charge and discharge process will carry out in detail below in an example
It introduces.In an embodiment of the present invention, among energy-accumulating power station 3 can be arranged AT STATION, by the braking electric energy of absorption be station into
Row power supply, for example, the air-conditioning at station, multimedia, light etc. are powered.In an embodiment of the present invention, energy-accumulating power station 3 is pressed
It is arranged according to pre-determined distance interval, such as two energy-accumulating power stations 3 of interior setting per 3-6 kilometers, the power of each energy-accumulating power station 3 is 0.5-
2MW.Certain those skilled in the art can select the quantity and work(of suitable energy-accumulating power station 3 according to the specific operating environment of train 2
Rate.
As shown in Fig. 2, for according to the block diagram of the braking recovery system of the train of one embodiment of the invention.Such as figure
Shown in 2, energy-accumulating power station 3 includes：Two-way DC/DC converters 301 and controller 302, wherein energy-accumulating power station 3 passes through two-way DC/DC
Converter 301 is connected with Traction networks 1, and controller 302 is connected with two-way DC/DC converters 301, and controller 302 is used for basis and leads
The voltage U for drawing net 1 controls two-way DC/DC converters 301 so that energy-accumulating power station 3 carries out charge or discharge.
Specifically, when train 2 is braked, traction electric machine is changed into generator operating mode, train 2 from motor working condition
It generates braking electric energy and braking electric energy is fed back into Traction networks.When negative on train negligible amounts, that is, Traction networks 1 on Traction networks 1
When the train braked on the smaller or Traction networks 1 of load is more, it can be more than on Traction networks 1 to feed back to the braking electric energy on Traction networks 1
Train operation needed for electric energy, so as to cause the raising of the voltage U of Traction networks.At this point, controller 302 monitors Traction networks in real time
1 voltage U, when the voltage U of Traction networks 1 is increased, controller 302 controls two-way DC/DC converters 301 and opens, and controls double
Enter charge mode to DC/DC converters 301, so that energy-accumulating power station 3 absorbs braking electric energy from Traction networks 1.Similarly, work as traction
Train quantity on net 1 is more, i.e., when the load on Traction networks 1 is larger, the voltage U of Traction networks 1 can decline, at this point, controller
The two-way DC/DC converters 301 of 302 control trains 2 are opened, and the two-way DC/DC converters 301 for controlling train 2 enter electric discharge
Pattern, so that energy-accumulating power station 3 discharges to Traction networks 1, to improve the voltage of Traction networks 1.
According to one embodiment of present invention, energy-accumulating power station 3 may include at least one energy storage device.When controller 302 is controlled
When making two-way DC/DC converters 301 and being operated in charge mode, direct current that two-way DC/DC converters 301 provide Traction networks 1
It is transformed to the direct current with the voltage matches of energy-accumulating power station, is charged with controlling energy-accumulating power station 3；When controller 302 control it is double
When being operated in discharge mode to DC/DC converters 301, the direct current that two-way DC/DC converters 301 provide energy-accumulating power station 3 becomes
It is changed to the direct current with the voltage matches of Traction networks 1, is discharged with controlling energy-accumulating power station 3.
Braking electric energy can be for recycling and reuse by energy-accumulating power station 3 as a result, while substation can be reduced
Load has saved the energy.
According to one embodiment of present invention, controller 302 monitors the voltage U of Traction networks 1, and in the voltage U of Traction networks 1
More than the first predetermined threshold value U1, such as when 845V, two-way DC/DC converters 301 are controlled so that energy-accumulating power station 3 charges.
According to one embodiment of present invention, controller 302 monitors the voltage U of Traction networks 1, and in the voltage U of Traction networks 1
Less than the second predetermined threshold value U2, such as when 810V, two-way DC/DC converters 301 are controlled so that energy-accumulating power station 3 discharges,
In, the second predetermined threshold value U2 is less than the first predetermined threshold value U1.In an embodiment of the present invention, if train on Traction networks 1 compared with
The voltages that may result in Traction networks decline more, at this time in order to avoid the voltage U of Traction networks 1 is less than minimum rated voltage, need to control
Energy-accumulating power station 3 processed discharges to Traction networks 1.In one particular embodiment of the present invention, there are multiple energy storage on Traction networks 1
Power station 3, the preferential energy-accumulating power station 3 for selecting electricity high discharge to Traction networks, such as the power that the high energy-accumulating power station 3 of electricity discharges
Greatly, the power that the low energy-accumulating power station 3 of electricity discharges is smaller, to reach the electric quantity balancing between energy-accumulating power station 3.
According to one embodiment of present invention, after energy-accumulating power station 3 discharges to Traction networks 1, the monitoring traction of controller 302
The voltage U of net 1, and it is more than third predetermined threshold value U3 in the voltage U of Traction networks 1, such as when 830V, control two-way DC/DC transformation
Device 301 is so that energy-accumulating power station 3 stops electric discharge, wherein third predetermined threshold value U3 is less than the first predetermined threshold value U1.
Specifically, energy-accumulating power station 3 can monitor the voltage U of Traction networks 1 in real time, if the train on Traction networks 1 is less, or
The train 2 that person brakes at this time is more, and the voltage of Traction networks 1 can increase, when Traction networks voltage U be more than the first predetermined threshold value U1,
Such as when 845V, controller 302 controls two-way DC/DC converters 301 and opens, and controls the two-way entrance of DC/DC converters 301 and fill
Power mode absorbs braking electric energy to control energy-accumulating power station 3, is more than the maximum of Traction networks 1 to avoid the voltage U of Traction networks 1
Constant voltage Un.If the more voltage that may result in Traction networks of train on Traction networks 1 declines, when the voltage U of Traction networks 1 is less than
Second predetermined threshold value U2, such as when 810V, controller 302 controls two-way DC/DC converters 301 and opens, and controls two-way DC/DC
Converter 301 enters discharge mode, is discharged to Traction networks 1 with controlling energy-accumulating power station 3.
Further, after energy-accumulating power station 3 discharges to Traction networks 1, the voltage U of Traction networks gos up, and controller 302 continues
The voltage U for monitoring Traction networks such as when 830V, illustrates to feed back at this time when the voltage U of Traction networks is more than third predetermined threshold value U3
Braking electric energy on Traction networks 1 has basically reached balance with the load on Traction networks 1, then controller 302 controls two-way DC/DC and becomes
Parallel operation 301 is closed, so that energy-accumulating power station 3 stops electric discharge.
According to one embodiment of present invention, energy-accumulating power station 3 can be multiple, and multiple energy-accumulating power stations 3 are according between pre-determined distance
Every setting.In an embodiment of the present invention, among energy-accumulating power station 3 can be arranged AT STATION, using the braking electric energy that will be absorbed as vehicle
Station is powered, and for example, the air-conditioning at station, multimedia, light etc. are powered.
According to one embodiment of present invention, can interior per 3-6 kilometers two energy-accumulating power stations 3, the power of energy-accumulating power station 3 be set
Can be 0.5-2MW.Wherein, those skilled in the art can select suitable energy-accumulating power station 3 according to the specific operating environment of train 2
Quantity and power.
According to one embodiment of present invention, as shown in figure 3, the braking recovery system of train further includes：Control centre 4,
Wherein, control centre 4 is in energy-accumulating power station 3 for discharging, and when the voltage U of Traction networks 1 is less than the 4th predetermined threshold value U4, control
The battery of the train of on-line operation processed discharges to Traction networks 1.
According to one embodiment of present invention, control centre 4 selects electricity more than the battery of the train of default power threshold
It discharges.
Specifically, control centre 4 can be communicated with energy-accumulating power station 3 and train 2, to obtain the train 2 of on-line operation
Battery electricity, and the working condition of energy-accumulating power station 3 and train 2 is scheduled.Also, control centre 4 is additionally operable to monitor
The voltage U of Traction networks 1.After energy-accumulating power station 3 discharges to Traction networks 1, control centre 4 continues to monitor the electricity of Traction networks 1
Pressure, if the voltage U of the Traction networks 1 monitored is less than the 4th predetermined threshold value U4, control centre 4 ifs, further judges on-line operation
The electricity of battery of train 2 whether be more than default power threshold.At this point, if control centre 4 judges the train 2 of on-line operation
The electricity of battery be more than default electricity threshold, the two-way DC/DC converters that control centre 4 then controls train 2 are opened, and control row
The two-way DC/DC converters of vehicle 2 are operated in discharge mode, so that the battery of train 2 discharges to Traction networks 1, are led with being promoted
Draw the voltage U of net 1.
To sum up, the braking recovery system of the train proposed according to embodiments of the present invention, when train is braked, train production
Raw braking electric energy, and braking electric energy is fed back into Traction networks, controller controls two-way DC/DC converters according to the voltage of Traction networks
So that energy-accumulating power station absorbs the braking electric energy of train.In addition, energy-accumulating power station can also be according to the voltage of Traction networks to leading
Draw net to discharge, to avoid the brownout of Traction networks, maintains the normal work of Traction networks.In embodiments of the present invention,
Braking electric energy is first fed back into Traction networks when train is braked, at this time if the train on Traction networks is relatively more, can be incited somebody to action
The braking electric energy of feedback uniformly arrives other trains, therefore the voltage of Traction networks will not increase very much.If instead Traction networks at this time
On train it is less, or the train braked at this time is more, then the voltage of Traction networks will increase, in embodiments of the present invention,
Braking electric energy can be absorbed by energy-accumulating power station, the voltage to avoid Traction networks is more than maximum rated voltage.The present invention
Embodiment absorbs braking electric energy by energy-accumulating power station, to realize the recycling and reuse of braking electric energy, reduces
Energy waste reduces the load of Traction networks.Also, the embodiment of the present invention can protect system with the voltage of effective monitoring Traction networks
The parts of system avoid the electric appliance damage on Traction networks, improve the safety of system.
As shown in figure 4, for according to the block diagram of the energy-accumulating power station of the embodiment of the present invention.As shown in figure 4, the energy storage is electric
It stands and 3 includes：Two-way DC/DC converters 301 and controller 302, wherein the Traction networks 1 of two-way DC/DC converters 301 and train
It is connected；Controller 302 is connected with two-way DC/DC converters 301, and controller 302 is used for double according to the voltage U controls of Traction networks 1
To DC/DC converters 301 charge or discharge are carried out to control energy-accumulating power station 3.
Specifically, when train is braked, traction electric machine is changed into generator operating mode, train production from motor working condition
Braking electric energy is simultaneously fed back to Traction networks by raw braking electric energy.Load on train negligible amounts, that is, Traction networks 1 on Traction networks 1
When the train braked on smaller or Traction networks 1 is more, it can be more than on Traction networks 1 to feed back to the braking electric energy on Traction networks 1
Electric energy needed for train operation, so as to cause the raising of the voltage U of Traction networks.At this point, controller 302 monitors Traction networks 1 in real time
Voltage U, when the voltage U of Traction networks 1 is increased, controller 302 controls two-way DC/DC converters 301 and opens, and controls two-way
DC/DC converters 301 are opened, and are controlled two-way DC/DC converters 301 and entered charge mode, so that energy-accumulating power station 3 is from Traction networks
1 absorbs braking electric energy.Similarly, when the train quantity on Traction networks 1 is more, i.e., when the load on Traction networks 1 is larger, Traction networks
1 voltage U can decline, and the controller 302 of energy-accumulating power station 3 monitors the voltage U of Traction networks 1 in real time at this time, when the voltage of Traction networks 1
When U declines, controller 302 controls two-way DC/DC converters 301 and opens, and controls two-way DC/DC converters 301 and enter electric discharge
Pattern, so that energy-accumulating power station 3 discharges to Traction networks 1, to improve the voltage of Traction networks 1.
According to one embodiment of present invention, energy-accumulating power station 3 may include at least one energy storage device.When controller 302 is controlled
When making two-way DC/DC converters 301 and being operated in charge mode, direct current that two-way DC/DC converters 301 provide Traction networks 1
It is transformed to the direct current with the voltage matches of energy-accumulating power station, is charged with controlling energy-accumulating power station 3；When controller 302 control it is double
When being operated in discharge mode to DC/DC converters 301, the direct current that two-way DC/DC converters 301 provide energy-accumulating power station 3 becomes
It is changed to the direct current with the voltage matches of Traction networks 1, is discharged with controlling energy-accumulating power station 3.
Braking electric energy can be for recycling and reuse by energy-accumulating power station 3 as a result, while substation can be reduced
Load has saved the energy.
According to one embodiment of present invention, controller 302 monitors the voltage U of Traction networks 1, and in the voltage U of Traction networks 1
More than the first predetermined threshold value U1, such as when 845V, two-way DC/DC converters 301 are controlled so that energy-accumulating power station 3 charges.
According to one embodiment of present invention, controller 302 monitors the voltage U of Traction networks 1, and in the voltage U of Traction networks 1
Less than the second predetermined threshold value U2, such as when 810V, two-way DC/DC converters 301 are controlled so that energy-accumulating power station 3 discharges,
In, the second predetermined threshold value U2 is less than the first predetermined threshold value U1.In an embodiment of the present invention, if train on Traction networks 1 compared with
The voltages that may result in Traction networks decline more, at this time in order to avoid the voltage U of Traction networks 1 is less than minimum rated voltage, need to control
Energy-accumulating power station 3 processed discharges to Traction networks 1.In one particular embodiment of the present invention, there are multiple energy storage on Traction networks 1
Power station 3, the preferential energy-accumulating power station 3 for selecting electricity high discharge to Traction networks, such as the power that the high energy-accumulating power station 3 of electricity discharges
Greatly, the power that the low energy-accumulating power station 3 of electricity discharges is smaller, to reach the electric quantity balancing between energy-accumulating power station 3.
According to one embodiment of present invention, after energy-accumulating power station 3 discharges to Traction networks 1, controller 302 continues to monitor
The voltage U of Traction networks 1, and it is more than third predetermined threshold value U3 in the voltage U of Traction networks 1, such as when 830V, control two-way DC/DC
Converter 301 is so that energy-accumulating power station 3 stops electric discharge, wherein third predetermined threshold value U3 is less than the first predetermined threshold value U1.
Specifically, energy-accumulating power station 3 can monitor the voltage U of Traction networks 1 in real time, if the train on Traction networks 1 is less, or
The train that person brakes at this time is more, and the voltage of Traction networks 1 can increase, when the voltage U of Traction networks is more than the first predetermined threshold value U1, example
When such as 845V, controller 302 controls two-way DC/DC converters 301 and opens, and controls two-way DC/DC converters 301 and enter charging
Pattern absorbs braking electric energy to control energy-accumulating power station 3, is more than the maximum rated of Traction networks 1 to avoid the voltage U of Traction networks 1
Voltage Un.If the more voltage that may result in Traction networks of train on Traction networks 1 declines, when the voltage U of Traction networks 1 is less than the
Two predetermined threshold value U2, such as when 810V, controller 302 controls two-way DC/DC converters 301 and opens, and control two-way DC/DC and become
Parallel operation 301 enters discharge mode, is discharged to Traction networks 1 with controlling energy-accumulating power station 3.
Further, after energy-accumulating power station 3 discharges to Traction networks 1, the voltage U of Traction networks gos up, and controller 302 continues
The voltage U for monitoring Traction networks such as when 830V, illustrates to feed back at this time when the voltage U of Traction networks is more than third predetermined threshold value U3
Braking electric energy on Traction networks 1 has basically reached balance with the load on Traction networks 1, then controller 302 controls two-way DC/DC and becomes
Parallel operation 301 is closed, so that energy-accumulating power station 3 stops electric discharge.
To sum up, the energy-accumulating power station proposed according to embodiments of the present invention, controller are controlled according to the voltage of the Traction networks of train
Two-way DC/DC converters are so that energy-accumulating power station absorbs the braking electric energy of train, and according to the voltage of Traction networks to traction
Net discharges, and to avoid the brownout of Traction networks, maintains the normal work of Traction networks.In embodiments of the present invention, exist
Braking electric energy is first fed back into Traction networks when train is braked, it, can will be anti-at this time if the train on Traction networks is relatively more
The braking electric energy of feedback uniformly arrives other trains, therefore the voltage of Traction networks will not increase very much.If instead at this time on Traction networks
Train it is less, or the train braked at this time is more, then the voltage of Traction networks will increase, in embodiments of the present invention, can
To be absorbed to braking electric energy by energy-accumulating power station, the voltage to avoid Traction networks is more than maximum rated voltage.The present invention is real
It applies example to absorb braking electric energy by energy-accumulating power station, to realize the recycling and reuse of braking electric energy, reduces energy
Source wastes, and reduces the load of Traction networks.Also, the embodiment of the present invention can protect system with the voltage of effective monitoring Traction networks
Parts, avoid on Traction networks electric appliance damage, improve the safety of system.
As shown in figure 5, for according to the block diagram of the control centre for train scheduling of the embodiment of the present invention.Such as figure
Shown, which includes：Detection device 401, communication device 402 and control device 403, wherein detection device 401 can
It is connected with Traction networks 1, detection device 401 is for detecting 1 voltage of Traction networks；Communication device 402 is used for and energy-accumulating power station 3 and train
2 are communicated；Control device 403 is connected with detection device 401 and communication device 402, and control device 403 is used in energy-accumulating power station
3 discharge, and when the voltage U of Traction networks 1 is less than the 4th predetermined threshold value U4, control the battery of the train 2 of on-line operation to leading
Draw net 1 to discharge.
According to one embodiment of present invention, control device 403 selects electricity more than the electricity of the train of default power threshold
It discharges in pond.
Specifically, the communication device 402 of control centre 4 can be communicated with the controller of energy-accumulating power station 3 and train 2,
To obtain the electricity of the battery of the train 2 of on-line operation, and the working condition of energy-accumulating power station 3 and train 2 is scheduled.It is storing up
After energy power station 3 discharges to Traction networks 1, the detection device 401 of control centre 4 persistently detects the voltage U of Traction networks 1, control
Device 403 processed receives the voltage U of Traction networks 1, and judges whether the voltage U of Traction networks 1 is less than the 4th predetermined threshold value U4, if sentenced
The voltage U of disconnected Traction networks 1 is less than the 4th predetermined threshold value U4, and control device 403 then further judges the electricity of the train 2 of on-line operation
Whether the electricity in pond is more than default power threshold.At this point, if the control device 403 of control centre 4 judges the row of on-line operation
The electricity of the battery of vehicle 2 is more than default electricity threshold, and the two-way DC/DC converters that control centre 4 then controls train 2 are opened, and are controlled
The two-way DC/DC converters of train 2 processed are operated in discharge mode, so that the battery of train 2 discharges to Traction networks 1, to carry
Rise the voltage U of Traction networks 1.
To sum up, the control centre for train scheduling proposed according to embodiments of the present invention, control device control energy storage electricity
Station is discharged, and detects the voltage of Traction networks in real time by detection device, when the voltage of Traction networks is less than the 4th predetermined threshold value
When, control device sends out control signal, and is communicated with the train on Traction networks by communication device, to control on-line operation
The battery of train discharge to Traction networks, to avoid the brownout of Traction networks, maintain the normal work of Traction networks.This
Inventive embodiments are discharged by the battery of the train of on-line operation, so as to the voltage of effective monitoring Traction networks, protection
The parts of system avoid the electric appliance damage on Traction networks, improve the safety of system.
As shown in fig. 6, for according to the flow chart of the braking recovery method of the train of the embodiment of the present invention.As shown in fig. 6, should
Method includes the following steps：
S10：Monitor the voltage of Traction networks.
S20：The two-way DC/DC converters of train are controlled so that energy-accumulating power station is charged or put according to the voltage of Traction networks
Electricity.
Specifically, train is braked, and braking electric energy is fed back into Traction networks.When the train quantity on Traction networks
Less load i.e. on Traction networks is smaller or Traction networks on the train braked it is more when, feed back to the braking electricity on Traction networks
Can be able to be more than the electric energy needed for the train operation on Traction networks, so as to cause the raising of the voltage U of Traction networks.At this point, supervising in real time
The voltage U for surveying Traction networks, when the voltage U of Traction networks is increased, the two-way DC/DC converters for controlling train are opened, and control row
The two-way DC/DC converters of vehicle enter charge mode, so that energy-accumulating power station absorbs braking electric energy from Traction networks.Similarly, when leading
It is more to draw online train quantity, i.e., when the load on Traction networks is larger, the voltage U of Traction networks can decline, at this point, control train
Two-way DC/DC converters open, and the two-way DC/DC converters for controlling train enter discharge mode, so that energy-accumulating power station pair
Traction networks discharge, to improve the voltage of Traction networks.
According to one embodiment of present invention, energy-accumulating power station may include at least one energy storage device.As the two-way DC/DC of control
When converter is operated in charge mode, the DC power conversion that two-way DC/DC converters provide Traction networks is and energy-accumulating power station
The direct current of voltage matches is charged with controlling energy-accumulating power station；It is operated in discharge mode when controlling two-way DC/DC converters
When, the DC power conversion that two-way DC/DC converters provide energy-accumulating power station is the direct current with the voltage matches of Traction networks, with control
Energy-accumulating power station processed discharges.
Braking electric energy can be for recycling and reuse by energy-accumulating power station as a result, while substation can be reduced
Load has saved the energy.
According to one embodiment of present invention, the braking recovery method of train further includes：Judge Traction networks voltage U whether
More than the first predetermined threshold value U1, such as 845V；If the voltage U of Traction networks is more than the first predetermined threshold value U1, two-way DC/ is controlled
DC converters are so that energy-accumulating power station charges.
According to one embodiment of present invention, the braking recovery method of train further includes：Judge Traction networks voltage U whether
Less than the second predetermined threshold value U2, such as 810V；If the voltage U of Traction networks is less than the second predetermined threshold value U2, two-way DC/ is controlled
DC converters are so that energy-accumulating power station discharges, wherein the second predetermined threshold value U2 is less than the first predetermined threshold value U1.The present invention's
In embodiment, if the more voltage that may result in Traction networks of train on Traction networks declines, at this time in order to avoid Traction networks
Voltage U is less than minimum rated voltage, and control energy-accumulating power station is needed to discharge to Traction networks.In the specific implementation of the present invention
There are multiple energy-accumulating power stations, the preferential energy-accumulating power station for selecting electricity high to discharge to Traction networks in example, on Traction networks, such as electricity is high
Energy-accumulating power station electric discharge power it is big, the power of the low energy-accumulating power station electric discharge of electricity is smaller, to reach between energy-accumulating power station
Electric quantity balancing.
According to one embodiment of present invention, the braking recovery method of train further includes：It is put to Traction networks in energy-accumulating power station
After electricity, continue the voltage U for monitoring Traction networks, judges whether the voltage U of Traction networks is more than third predetermined threshold value U3, such as
830V；If the voltage U of Traction networks is more than third predetermined threshold value U3, two-way DC/DC converters are controlled so that energy-accumulating power station stops
It only discharges, wherein third predetermined threshold value U3 is less than the first predetermined threshold value U1.
Specifically, energy-accumulating power station can monitor the voltage U of Traction networks in real time, if the train on Traction networks is less, or
The train braked at this time is more, and the voltage of Traction networks can increase, when Traction networks voltage U be more than the first predetermined threshold value U1, such as
It when 845V, controls two-way DC/DC converters and opens, and control two-way DC/DC converters and enter charge mode, to control energy storage electricity
Electric energy is braked in absorption of standing, and is more than the maximum rated voltage Un of Traction networks to avoid the voltage U of Traction networks.If on Traction networks
The more voltage that may result in Traction networks of train declines, when the voltage U of Traction networks is less than the second predetermined threshold value U2, such as 810V
When, control two-way DC/DC converters and open, and control two-way DC/DC converters and enter discharge mode, with control energy-accumulating power station to
Traction networks discharge.Further, after energy-accumulating power station discharges to Traction networks, the voltage U of Traction networks gos up, and continues to monitor
The voltage U of Traction networks such as when 830V, illustrates to feed back to traction at this time when the voltage U of Traction networks is more than third predetermined threshold value U3
Online braking electric energy has basically reached balance with the load on Traction networks, then controls two-way DC/DC converters and close, so that storage
It can power station stopping electric discharge.
According to one embodiment of present invention, the braking recovery method of train further includes：Judge Traction networks voltage whether
Less than the 4th predetermined threshold value；If the voltage of Traction networks is less than the 4th predetermined threshold value, the battery of the train of on-line operation is controlled
It discharges to Traction networks.
According to one embodiment of present invention, the battery for controlling the train of on-line operation carries out the specific packet that discharges to Traction networks
It includes：The electricity of the battery of train is detected, and judges whether the electricity of battery is more than default power threshold；If the electricity of battery is big
In default power threshold, then the battery for controlling train discharges.
Specifically, it can be communicated with energy-accumulating power station and train, to obtain the electricity of the battery of the train of on-line operation,
And the working condition of energy-accumulating power station and train is scheduled.After energy-accumulating power station discharges to Traction networks, continue to monitor
The voltage of Traction networks further judges on-line operation if the voltage U of the Traction networks monitored is less than the 4th predetermined threshold value U4
The electricity of battery of train whether be more than default power threshold.At this point, if it is determined that the electricity of the battery of the train of on-line operation
Amount is more than default electricity threshold, then the two-way DC/DC converters for controlling train are opened, and control the two-way DC/DC converters of train
It is operated in discharge mode, so that the battery of train discharges to Traction networks, to promote the voltage U of Traction networks.
As described above, as shown in fig. 7, the control method of the train of the embodiment of the present invention specifically includes following steps：
S101：Monitor the voltage of Traction networks
S102：Judge whether the voltage U of Traction networks is more than the first predetermined threshold value U1.
If so, thening follow the steps S103；If not, thening follow the steps S104.
S103：Judge whether the voltage U of Traction networks is less than the second predetermined threshold value U2.
If so, thening follow the steps S105；If not, thening follow the steps S107.
S104：It controls two-way DC/DC converters and enters charge mode so that energy-accumulating power station charges.
S105：Judge whether the voltage U of Traction networks is less than the 4th predetermined threshold value U4.
If so, thening follow the steps S106；If not, thening follow the steps S107.
S106：The battery for controlling the train of on-line operation discharges to Traction networks.
S107：It controls two-way DC/DC converters and enters discharge mode so that energy-accumulating power station discharges.
S108：Judge whether the voltage U of Traction networks is more than third predetermined threshold value U3.
S109：Two-way DC/DC converters are controlled to close so that energy-accumulating power station stops electric discharge.
To sum up, the braking recovery method of the train proposed according to embodiments of the present invention monitors the voltage of Traction networks in real time, and
According to the two-way DC/DC converters of the voltage of Traction networks control train so that energy-accumulating power station absorbs train braking electric energy,
Voltage to avoid Traction networks is more than maximum rated voltage.Further, it is also possible to control energy-accumulating power station pair according to the voltage of Traction networks
Traction networks discharge, and to avoid the brownout of Traction networks, maintain the normal work of Traction networks.The embodiment of the present invention passes through
Energy-accumulating power station absorbs braking electric energy, to realize the recycling and reuse of braking electric energy, reduces energy waste, drops
The load of low Traction networks.Also, the embodiment of the present invention can protect the parts of system with the voltage of effective monitoring Traction networks,
The electric appliance damage on Traction networks is avoided, the safety of system is improved.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (18)
1. a kind of braking recovery system of train, which is characterized in that including：
Traction networks, the Traction networks are used to provide direct current to multiple trains；
Energy-accumulating power station, the energy-accumulating power station are connected with the Traction networks, and the energy-accumulating power station includes two-way DC/DC converters and control
Device processed, the controller are connected with the two-way DC/DC converters, and the controller is used for the voltage control according to the Traction networks
It makes the two-way DC/DC converters and carries out charge or discharge to control the energy-accumulating power station；
Wherein, the braking recovery system of the train further includes control centre, the control centre and the energy-accumulating power station and
Train is communicated, and the control centre is less than for discharging in the energy-accumulating power station in the voltage of the Traction networks
When four predetermined threshold values, the battery for controlling the train of on-line operation discharges to the Traction networks.
2. the braking recovery system of train as described in claim 1, which is characterized in that
The controller is used for when the voltage of the Traction networks is more than the first predetermined threshold value, the control two-way DC/DC transformation
Device is so that the energy-accumulating power station charges.
3. the braking recovery system of train as claimed in claim 2, which is characterized in that
The controller is used for when the voltage of the Traction networks is less than the second predetermined threshold value, the control two-way DC/DC transformation
Device is so that energy-accumulating power station discharges, wherein second predetermined threshold value is less than first predetermined threshold value.
4. the braking recovery system of train as claimed in claim 3, which is characterized in that in the energy-accumulating power station to the traction
After net electric discharge, the controller is additionally operable to when the voltage of the Traction networks is more than third predetermined threshold value, and control is described two-way
DC/DC converters are so that the energy-accumulating power station stops electric discharge, wherein the third predetermined threshold value is less than the described first default threshold
Value.
5. the braking recovery system of train as claimed in claim 4, which is characterized in that control centre's selection electricity is more than
The battery of the train of default power threshold discharges.
6. the braking recovery system of train as described in claim 1, which is characterized in that the energy-accumulating power station be it is multiple, it is described
Multiple energy-accumulating power stations are arranged according to pre-determined distance interval.
7. the braking recovery system of train as claimed in claim 6, which is characterized in that in per 3-6 kilometers described in setting two
The power of energy-accumulating power station, the energy-accumulating power station is 0.5-2MW.
8. a kind of energy-accumulating power station, which is characterized in that including：
Two-way DC/DC converters, the two-way DC/DC converters are connected with the Traction networks of train, wherein the Traction networks are used for
Direct current is provided to multiple trains；
Controller, the controller are connected with the two-way DC/DC converters, and the controller is used for according to the Traction networks
Voltage controls the two-way DC/DC converters and carries out charge or discharge to control the energy-accumulating power station, wherein control centre and institute
It states energy-accumulating power station and train is communicated, the control centre is used to discharge in the energy-accumulating power station, and in the traction
When the voltage of net is less than four predetermined threshold values, the battery for controlling the train of on-line operation discharges to the Traction networks.
9. energy-accumulating power station as claimed in claim 8, which is characterized in that
The controller is used for when the voltage of the Traction networks is more than the first predetermined threshold value, the control two-way DC/DC transformation
Device is so that the energy-accumulating power station charges.
10. energy-accumulating power station as claimed in claim 9, which is characterized in that
The controller is used for when the voltage of the Traction networks is less than the second predetermined threshold value, the control two-way DC/DC transformation
Device is so that energy-accumulating power station discharges, wherein second predetermined threshold value is less than first predetermined threshold value.
11. energy-accumulating power station as claimed in claim 10, which is characterized in that discharge it to the Traction networks in the energy-accumulating power station
Afterwards, the controller is additionally operable to when the voltage of the Traction networks is more than third predetermined threshold value, the control two-way DC/DC transformation
Device is so that the energy-accumulating power station stops electric discharge, wherein the third predetermined threshold value is less than first predetermined threshold value.
12. a kind of control centre for train scheduling, which is characterized in that including：
Detection device, the detection device are connected with Traction networks, and the detection device is used to detect the supply conductor voltage,
In, the Traction networks are used to provide direct current to multiple trains；
Communication device, for being communicated with energy-accumulating power station and train；
Control device, the control device are connected with the detection device and the communication device, and the control device is used for
The energy-accumulating power station discharges, and the voltage of the Traction networks be less than four predetermined threshold values when, control the on-line operation
The battery of train discharges to the Traction networks.
13. being used for the control centre of train scheduling as claimed in claim 12, which is characterized in that the control device selection electricity
The battery that amount is more than the train of default power threshold discharges.
14. a kind of braking recovery method of train, which is characterized in that include the following steps：
Monitor the voltage of Traction networks, wherein the Traction networks are used to provide direct current to multiple trains；
The two-way DC/DC converters of train are controlled according to the voltage of Traction networks so that energy-accumulating power station carries out charge or discharge；
Wherein, control centre is communicated with the energy-accumulating power station and train, and the braking recovery method of the train further includes,
The control centre judges whether the voltage of the Traction networks is less than the 4th predetermined threshold value；
If the voltage of the Traction networks is less than the 4th predetermined threshold value, control centre if, controls the electricity of the train of on-line operation
It discharges to the Traction networks in pond.
15. the braking recovery method of train as claimed in claim 14, which is characterized in that further include：
Judge whether the voltage of the Traction networks is more than the first predetermined threshold value；
If the voltage of the Traction networks is more than first predetermined threshold value, the two-way DC/DC converters are controlled so that institute
Energy-accumulating power station is stated to charge.
16. the braking recovery method of train as claimed in claim 15, which is characterized in that further include：
Judge whether the voltage of the Traction networks is less than the second predetermined threshold value；
If the voltage of the Traction networks is less than second predetermined threshold value, the two-way DC/DC converters are controlled so that institute
It states energy-accumulating power station to discharge, wherein second predetermined threshold value is less than first predetermined threshold value.
17. the braking recovery method of train as claimed in claim 16, which is characterized in that further include：
Judge whether the voltage of the Traction networks is more than third predetermined threshold value；
If the voltage of the Traction networks is more than the third predetermined threshold value, the two-way DC/DC converters are controlled so that institute
It states energy-accumulating power station and stops electric discharge, wherein the third predetermined threshold value is less than first predetermined threshold value.
18. the braking recovery method of train as claimed in claim 14, which is characterized in that the train of the control on-line operation
Battery to the Traction networks carry out electric discharge specifically include：
The electricity of the battery of the train is detected, and judges whether the electricity of the battery is more than default power threshold；
If the electricity of the battery is more than default power threshold, the battery for controlling the train discharges.
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| CN201610841047.XA CN106809026B (en) | 2016-09-21 | 2016-09-21 | The braking recovery system and method for train, energy-accumulating power station and control centre |
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| CN110852483B (en) * | 2019-10-15 | 2022-05-20 | 同济大学 | Urban rail transit ground energy storage site selection method, system and device |
| CN115675191B (en) * | 2023-01-04 | 2023-03-21 | 新誉轨道交通科技有限公司 | Train-ground joint control energy management method, system, equipment and storage medium |
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