CN107310398A - A kind of regenerating brake control method and device - Google Patents
A kind of regenerating brake control method and device Download PDFInfo
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- CN107310398A CN107310398A CN201710600821.2A CN201710600821A CN107310398A CN 107310398 A CN107310398 A CN 107310398A CN 201710600821 A CN201710600821 A CN 201710600821A CN 107310398 A CN107310398 A CN 107310398A
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- 230000001172 regenerating effect Effects 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 23
- 230000009466 transformation Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 9
- 230000000052 comparative effect Effects 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 description 13
- 238000011069 regeneration method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- 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
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D43/00—Devices for using the energy of the movements of the vehicles
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- 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)
- Power Engineering (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
This disclosure relates to a kind of regenerating brake control method and device, for controlling regenerative braking electric energy feedback device, wherein, regenerative braking electric energy feedback device is connected with contact net via first switch and is connected via second switch with power network, including：The voltage of contact net is gathered, and the voltage of contact net is sampled, the voltage parameter of contact net is obtained, voltage parameter is used to represent whether the voltage of the contact net to be more than setting value；When voltage parameter is more than setting value, control first switch and second switch closure, to cause contact net to be connected via regenerative braking electric energy feedback device with power network.According to the regenerating brake control method and device of the embodiment of the present disclosure, can be when contact net voltage be larger, the electric energy of contact net is fed back into power network through regenerative braking electric energy feedback device, both resistive braking part had been eliminated, save investment, the weight of train is reduced, the problem of capacity usage ratio during train braking is low is solved again.
Description
Technical field
This disclosure relates to field of urban rail, more particularly to a kind of regenerating brake control method and device.
Background technology
In urban track traffic, the kinetic energy of train operation can be converted to electric energy by train when using regenerative braking, and instead
Contact net of feeding is used for the train of adjacent operation, so as to save the energy.When the electric energy for feeding back to contact net is more, it can cause
The overtension of contact net, the normal operation of influence power station equipment and train.
At present, in order to maintain contact net voltage stabilization, when the voltage of contact net is higher than setting value (for example, 1.2 times of specified electricity
Pressure) when, train stops regenerative braking, starts resistive braking, converts electric energy to heat energy.However, consumption is in ohmically heat energy,
Thermal pollution is not only formed, causes ambient temperature to raise, the power consumption of station air-conditioning system or electric substation's air-conditioning system is added
Measure, and this partial brake energy fails to be recycled utilization, causes certain energy dissipation, reduces energy and uses effect
Rate.
The content of the invention
In view of this, the present disclosure proposes a kind of regenerating brake control method and device, it can solve the problem that train braking process
The problem of middle capacity usage ratio is low.
According to the one side of the disclosure there is provided a kind of control method of regenerative braking, for controlling regenerative braking electric energy
Feedback device, wherein, the regenerative braking electric energy feedback device is connected via first switch with contact net and via second switch
It is connected with power network, including：The voltage of the contact net is gathered, and the voltage of the contact net is sampled, described connect is obtained
The voltage parameter of net-fault, the voltage parameter is used to represent whether the voltage of the contact net to be more than setting value；When the voltage
When parameter is more than the setting value, the first switch and second switch closure are controlled, to cause the contact net to pass through
It is connected by the regenerative braking electric energy feedback device with the power network；Wherein, the regenerative braking electric energy feedback device includes：Hand over
DC conversion unit, is connected via the first switch with the contact net, for being opened in the first switch and described second
In the case that pass is in closure state, the voltage of the contact net is received, the voltage is converted into exchange by DC voltage
Voltage；Transformer, is connected with the AC-DC conversion unit and is connected via the second switch with the power network, for
In the case that the first switch and the second switch are in closure state, receive described from the AC-DC conversion unit
Alternating voltage, and be the voltage consistent with the power network by the alternating voltage transformation, the voltage after transformation is supplied to described
Power network.
For above-mentioned regenerating brake control method, in a kind of possible implementation, the electricity of the contact net is being gathered
Pressure, and the voltage of the contact net is sampled, after the voltage parameter for obtaining the contact net, in addition to：When the electricity
When pressing parameter less than or equal to the setting value, the first switch and the second switch is controlled to disconnect.
For above-mentioned regenerating brake control method, in a kind of possible implementation, in addition to：By the voltage parameter
And the voltage parameter and the comparative result of the setting value are sent to rail traffic monitoring system.
According to another aspect of the present disclosure there is provided a kind of control device of regenerative braking, for controlling regenerative braking electricity
Energy feedback device, wherein, the regenerative braking electric energy feedback device is connected with contact net via first switch and opened via second
Pass is connected with power network, including：Voltage parameter detection module, is connected with the contact net, the voltage for gathering the contact net,
And the voltage of the contact net is sampled, to obtain the voltage parameter of the contact net, the voltage parameter is used to represent
Whether the voltage of the contact net is more than setting value；Control module, is connected with the voltage parameter detection module, for from described
Voltage parameter detection module receives the voltage parameter, and when the voltage parameter is more than the setting value, controls described the
One switch and the second switch closure, with cause the contact net via the regenerative braking electric energy feedback device with it is described
Power network is connected.
For above-mentioned regenerative brake control device, in a kind of possible implementation, the control module includes：Parameter
Judging unit, is connected with the voltage parameter detection module, for receiving the voltage ginseng from the voltage parameter detection module
Number, and judge whether the voltage parameter is more than the setting value；Output control unit, is connected with the parameter judging unit,
For receiving judged result from the parameter judging unit, and when the voltage parameter is more than the setting value, control is described
First switch and second switch closure, to cause the contact net via the regenerative braking electric energy feedback device and institute
State power network connection.
For above-mentioned regenerative brake control device, in a kind of possible implementation, the output control unit is also used
In when the voltage parameter is less than or equal to the setting value, the first switch and the second switch is controlled to disconnect.
For above-mentioned regenerative brake control device, in a kind of possible implementation, in addition to：
Communication module, is connected with the parameter judging unit, for receiving judged result from the parameter judging unit, and
The judged result is sent to rail traffic monitoring system.
For above-mentioned regenerative brake control device, in a kind of possible implementation, the communication module be additionally operable to from
The parameter judging unit receives the voltage parameter, and the voltage parameter is sent to the rail traffic monitoring system.
According to another aspect of the present disclosure there is provided a kind of regenerative braking electric energy reponse system, including：Regenerative braking electric energy is anti-
Present device, be connected and be connected via second switch with power network with contact net via first switch, for the first switch with
In the case that the second switch is in closure state, receive the voltage of the contact net, the voltage is carried out conversion and
Transformation, is supplied changing to the power network with the voltage after transformation；According to disclosure regenerative brake control device set forth above,
It is connected with the contact net, for detecting the voltage parameter of the contact net and according to voltage parameter control described the
The folding condition of one switch and second switch.
For above-mentioned regenerative braking electric energy reponse system, in a kind of possible implementation, the regenerative braking electric energy
Feedback device includes：AC-DC conversion unit, is connected via the first switch with the contact net, for being opened described first
The voltage that the contact net is received in the case of being in closure state with the second switch is closed, by the voltage by direct current
Voltage conversion is alternating voltage；Transformer, is connected with the AC-DC conversion unit and via the second switch and the electricity
Net connection, in the case of being in closure state in the first switch and the second switch, turns from the alternating current-direct current
Change unit and receive the alternating voltage, and be the voltage consistent with the power network by the alternating voltage transformation, after transformation
Voltage is supplied to the power network.
Beneficial effect
During by being more than setting value in the voltage parameter for detecting contact net, control first switch and second switch closure,
To cause contact net to be connected via regenerative braking electric energy feedback device with power network, controlled according to the regenerative braking of the embodiment of the present disclosure
Method, device and regenerative braking electric energy reponse system can be when contact net voltage be excessive, by the direct feedback of the electric energy of contact net
Into power network.Compared to resistive braking is started when contact net voltage is excessive in the prior art, heat energy, this public affairs are converted electrical energy into
Opening the regenerating brake control method, device and regenerative braking electric energy reponse system of embodiment makes originally by the energy of resistance consumption to be had
Effect is used, and has both eliminated resistive braking part, saves investment, reduces the weight of train, train is taken full advantage of again
Regenerating braking energy, improve the capacity usage ratio during train braking.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the further feature and aspect of the disclosure will become
It is clear.
Brief description of the drawings
Comprising in the description and constituting accompanying drawing and the specification of a part of specification and together illustrate the disclosure
Exemplary embodiment, feature and aspect, and for explaining the principle of the disclosure.
Fig. 1 shows a kind of schematic diagram of a scenario of train regenerative braking；
Fig. 2 shows the flow chart of the regenerating brake control method according to the embodiment of the disclosure one；
Fig. 3 shows the flow chart of the regenerating brake control method according to the embodiment of the disclosure one；
Fig. 4 shows the application scenarios schematic diagram of the regenerative brake control device according to the embodiment of the disclosure one；
Fig. 5 shows the structured flowchart of the regenerative brake control device according to the embodiment of the disclosure one；
Fig. 6 shows the structured flowchart of the regenerative brake control device according to the embodiment of the disclosure one；
Fig. 7 shows the application scenarios schematic diagram of the regenerative braking electric energy reponse system according to the embodiment of the disclosure one.
Embodiment
Describe various exemplary embodiments, feature and the aspect of the disclosure in detail below with reference to accompanying drawing.It is identical in accompanying drawing
Reference represent the same or analogous element of function.Although the various aspects of embodiment are shown in the drawings, remove
Non-specifically is pointed out, it is not necessary to accompanying drawing drawn to scale.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the disclosure, numerous details are given in embodiment below.
It will be appreciated by those skilled in the art that without some details, the disclosure can equally be implemented.In some instances, for
Method well known to those skilled in the art, means, element and circuit are not described in detail, in order to highlight the purport of the disclosure.
Embodiment 1
The electric power system of urban track traffic mainly includes Bulk Supply Substation, medium-pressure electricity supply network, traction substation and led
Draw net system etc..Wherein, the 110KV high pressures in urban distribution network through transformer can be transformed to piezoelectricity in 35KV by Bulk Supply Substation
Source；Pressure in voltage source warp in the 35KV of Bulk Supply Substation can be fed out supply network and be assigned to each traction power transformation by medium-pressure electricity supply network
Stand；Traction substation will can become to make for train after the rectified transformer pressure-reducing of voltage source in 35KV, then rectified device rectification
Dc source；Traction contact system can be provided the dc source for coming from traction substation by contact net for train
Electric energy.According to IEC standard and China's code regulation, the rated voltage of urban rail transit in China contact net has two kinds, Yi Zhongshi
Direct current 750V, another is direct current 1500V, and the maximum voltage that contact net allows is 1.2 times of rated voltages.
The braking of existing train can be divided into three phases to process：Regenerative braking, resistive braking and mechanical braking.Its
In, regenerative braking and resistive braking are referred to as electric braking, by the way that the motor of train is changed into generator operating mode, make train operation
Kinetic energy be converted to electric energy, produce brake force, reach the purpose of train deceleration.As shown in figure 1, train stops from overhead current collection
Afterwards, the regenerative braking stage is initially entered, the electric energy that now train braking is produced is fed back on contact net, for for same section
In other train power supplies.When the voltage of contact net is in 1-1.2 times of rated voltage, and same section without other trains when, Huo Zhejie
When the voltage of net-fault is higher than 1.2 times of rated voltages, traction control unit cuts off the electric energy fed back to contact net, and regenerative braking can not
Realize, now into the resistive braking stage, the electric energy that train braking is produced is dissipated by resistance absorption with form of thermal energy.Work as train
When speed is less than 8km/h, by the use of compressed air as power source, implement mechanical braking, until train stops.
It should be noted that contact net is divided into the area between different sections, adjacent traction substation by traction substation
Section is same section.Regeneration train and other trains shown in Fig. 1 belong to same section, wherein regeneration train refers to for contact net
The train of electric energy is provided.
The electric energy that the resistive braking stage is dissipated with form of thermal energy is not effectively utilized, and causes energy dissipation.For
This, the disclosure provides a kind of regenerating brake control method and device, in the overtension of contact net, leads to the electric energy of contact net
Regenerative braking electric energy feedback device is crossed to feed back to power network to improve the utilization rate of energy.
Fig. 2 shows the flow chart of the regenerating brake control method according to the embodiment of the disclosure one, and this method can be by servicing
The terminal devices such as device, computer are performed, and this method is used to control regenerative braking electric energy feedback device, wherein, regenerative braking electric energy is anti-
Feedback device is connected with contact net via first switch and is connected via second switch with power network.As shown in figure 1, including：
Step S101, gathers the voltage of contact net, and the voltage of the contact net is sampled, and obtains the contact net
Voltage parameter.
Step S102, judges whether voltage parameter is more than setting value.
Step S103, when voltage parameter is more than setting value, control first switch and second switch closure.
When voltage parameter is more than setting value, illustrate contact net overtension, control first switch and second switch are closed
Close, the contact net can be caused to be connected via the regenerative braking electric energy feedback device with the power network, so that by contact net
Electric energy feed back to power network.
On the basis of the regenerating brake control method according to the embodiment of the present disclosure, the braking procedure of train is：Train stops
Only from overhead current collection, motor is changed to generator operating mode, implements regenerative braking, the kinetic energy of train operation is converted to electric energy,
Produce brake force；When train speed is less than 8km/h, using compressed air source, implement mechanical braking, until train stops
Only.In the regenerative braking stage, the electric energy that train braking is produced is uploaded to after contact net, can be arranged for other in same power supply section
Car is powered, and can also feed back to power network.
When so, by being more than setting value in the voltage parameter for detecting contact net, control first switch and second switch
Closure, to cause contact net to be connected via regenerative braking electric energy feedback device with power network.According to the regeneration system of the embodiment of the present disclosure
The electric energy of contact net can be directly fed back in power network when contact net voltage is larger, both eliminate resistance by flowing control method
Brake portion, saves investment, reduces the weight of train, and the regenerating braking energy of train can be made full use of again, improves row
Capacity usage ratio in car braking procedure.
Wherein, the voltage parameter is used to represent whether the voltage of the contact net to be more than setting value.It is possible in one kind
In implementation, the voltage of contact net can be sampled according to the predetermined sampling period.
The maximum voltage that setting value can allow according to contact net is configured.Provided according to industry, China's contact net is permitted
Perhaps maximum voltage is 1.2 times of rated voltages, and in a kind of possible implementation, setting value can be according to 1.2 times of contact nets
Rated voltage be configured.
For example, setting value may be greater than contact net rated voltage, and less than or equal to the voltage of 1.2 times of rated voltages
Value.Specifically, when the only oriented contact net of same section provides the regeneration train of electric energy, setting value may be greater than specified electricity
Pressure and the value for being less than 1.2 times of rated voltages；When same section has other trains, setting value can be 1.2 times of rated voltages
Value.Because the electric energy that regeneration train continues that generation will be braked is supplied to contact net, the voltage of contact net can continue to increase, when same
When section is without other trains, setting value is set greater than rated voltage and less than the value of 1.2 times of rated voltages, can be kept away
Exempt from potential over-pressed risk.Because other trains of same section can consume the electric energy of part contact net, the electricity of contact net is reduced
Pressure, when same section has other trains, is set to 1.2 times of rated voltages by setting value, can improve contact net electric energy
Direct utilization rate.
The regenerative braking electric energy feedback device includes：AC-DC conversion unit, connects via the first switch with described
Touch net and connect, in the case of being in closure state in the first switch and the second switch, receive the contact
The voltage of net, alternating voltage is converted to by the voltage by DC voltage；Transformer, be connected with the AC-DC conversion unit,
And be connected via the second switch with the power network, for being in closed form in the first switch and the second switch
In the case of state, the alternating voltage is received from the AC-DC conversion unit, and by the alternating voltage transformation be with it is described
The consistent voltage of power network, the voltage after transformation is supplied to the power network.
Alternating current is converted to by setting AC-DC conversion unit by direct current, and transformer is set by the exchange after conversion
Electricity is converted into the voltage class being adapted to power network, can be in contact net electricity according to the regenerating brake control method of the embodiment of the present disclosure
When pressing through big, the direct current in contact net is electrically fed against in power network, so as to make full use of the regenerating braking energy of train, row are improved
Capacity usage ratio in car braking procedure.
In a kind of possible implementation, judge that voltage parameter, whether more than after setting value, works as electricity in step S102
When pressing parameter less than or equal to setting value, control first switch and second switch disconnect.
When voltage parameter is less than or equal to setting value, control first switch and second switch disconnect, and can to connect
Touch net and disconnected with power network, so as to retain the electric energy of contact net, and electric energy is provided for other trains of same section.
So, it can also be disconnected according to the regenerating brake control method of the embodiment of the present disclosure when contact net voltage is smaller
The connection of contact net and power network, retains the electric energy of contact net, and electric energy is provided for other trains of same section, improves contact net electricity
The direct utilization rate of energy.
It should be noted that power network can be the power networks such as urban distribution network, medium voltage network, this disclosure is not limited.
Fig. 3 shows the flow chart of the regenerating brake control method according to the embodiment of the disclosure one.As shown in figure 3, in step
S102 judges whether voltage parameter is more than after setting value, it may include：Step S104 is by voltage parameter and voltage parameter with setting
The comparative result of definite value is sent to rail traffic monitoring system.
, can be in order to monitoring personnel at any time by the way that voltage parameter and comparative result are sent to rail traffic monitoring system
The state of contact net is grasped, is handled it in time.For example, monitoring personnel can be set according to judged result and voltage parameter adjustment
The size of value, is steadily contacted the voltage of net.
Embodiment 2
Fig. 4 shows the application scenario diagram of the regenerative brake control device 100 according to the embodiment of the disclosure one.According to the disclosure
The regenerative brake control device 100 of one embodiment can control regenerative braking electric energy feedback device 200, as shown in figure 1, regeneration system
Electrokinetic energy feedback device 200 is connected with contact net 400 via first switch 300 and connected via second switch 500 with power network 600
Connect.Wherein, the regenerative brake control device 100 mainly includes：Voltage parameter detection module 110 and control module 120.
Voltage parameter detection module 110 is connected with contact net 400, the voltage for gathering contact net 400, and to contact net
400 voltage is sampled, and to obtain the voltage parameter of the contact net 400, the voltage parameter is used to represent contact net
Whether voltage is more than setting value.Control module 120 is connected with the voltage parameter detection module 110, for being examined from voltage parameter
Survey module 110 and receive the voltage parameter, and when the voltage parameter is more than setting value, control first switch 300 and the
Two switches 500 are closed, to cause contact net 400 to connect via the regenerative braking electric energy feedback device 200 and the power network 600
Connect.
On the basis of the regenerative brake control device according to the embodiment of the present disclosure, the braking procedure of train is：Train stops
Only from overhead current collection, motor is changed to generator operating mode, implements regenerative braking, the kinetic energy of train operation is converted to electric energy,
Produce brake force；When train speed is less than 8km/h, using compressed air source, implement mechanical braking, until train stops
Only.In the regenerative braking stage, the electric energy that train braking is produced is uploaded to after contact net, can be arranged for other in same power supply section
Car is powered, and can also feed back to power network.
When so, by being more than setting value in the voltage parameter for detecting contact net, control first switch and second switch
Closure, to cause contact net to be connected via regenerative braking electric energy feedback device with power network, according to the regeneration system of the embodiment of the present disclosure
The electric energy of contact net can be directly fed back in power network when contact net voltage is excessive, both eliminate resistance by dynamic control device
Brake portion, saves investment, reduces the quality of train, and the regenerating braking energy of train can be made full use of again, improves row
Capacity usage ratio in car braking procedure.
Wherein, voltage parameter detection module 110 can be adopted according to the predetermined sampling period to the voltage of contact net 400
Sample, to obtain the voltage parameter of the contact net 400.
The maximum voltage that setting value can allow according to contact net is configured.Provided according to industry, China's contact net is permitted
Perhaps maximum voltage is 1.2 times of rated voltages, and in a kind of possible implementation, setting value can be according to 1.2 times of contact nets
Rated voltage be configured.
For example, setting value may be greater than contact net rated voltage, and less than or equal to the voltage of 1.2 times of rated voltages
Value.Specifically, when the only oriented contact net of same section provides the regeneration train of electric energy, setting value may be greater than specified electricity
Pressure and the value for being less than 1.2 times of rated voltages；When same section has other trains, setting value can be 1.2 times of rated voltages
Value.Because the electric energy that regeneration train continues that generation will be braked is supplied to contact net, the voltage of contact net can continue to increase, when same
When section is without other trains, setting value is set greater than rated voltage and less than the value of 1.2 times of rated voltages, can be kept away
Exempt from potential over-pressed risk.Because other trains of same section can consume the electric energy of part contact net, the electricity of contact net is reduced
Pressure, when same section has other trains, is set to 1.2 times of rated voltages by setting value, can improve contact net electric energy
Direct utilization rate.
It should be noted that power network can be the power networks such as urban distribution network, medium voltage network, this disclosure is not limited.
Specifically, as shown in figure 5, in a kind of possible implementation, according to the regeneration system of disclosure above-described embodiment
The control module 120 of dynamic control device 100 can include：Parameter judging unit 121 and output control unit 122.Arrow in Fig. 5
Head schematically shows the flow direction of control signal.Wherein, parameter judging unit 121 is connected with voltage parameter detection module 110, is used for
From the receiving voltage parameter of voltage parameter detection module 110, and judge whether the voltage parameter is more than setting value；Output control list
Member 122 is connected with parameter judging unit 121, for receiving judged result from parameter judging unit 121, and when the voltage parameter
During more than setting value, control first switch 300 and second switch 500 are closed, to cause contact net 400 to be made via the regeneration
Electrokinetic energy feedback device 200 is connected with the power network 600.
In a kind of possible implementation, output control unit 122 is additionally operable to when the voltage parameter is less than or equal to
During the setting value, control first switch 300 and second switch 500 disconnect.
When so, by being more than setting value in the voltage parameter for detecting contact net, control first switch and second switch
Closure, makes to feed back to electric energy in power network when contact net is over-pressed, makes full use of the regenerating braking energy of train, improve train braking
During capacity usage ratio；During by being less than or equal to setting value in the voltage parameter for detecting contact net, control first is opened
Close and second switch disconnects, the electric energy of contact net is retained, so as to provide electric energy for other trains of same section, improve
The direct utilization rate of contact net electric energy.
In a kind of possible implementation, as shown in fig. 6, being controlled to fill according to the regenerative braking of disclosure above-described embodiment
Putting 100 also includes：Communication module 130.Communication module 130 is connected with parameter judging unit 121, for from parameter judging unit
121 receive judged result, and the judged result is sent to rail traffic monitoring system 700.
In a kind of possible implementation, communication module 130 is additionally operable to receive the voltage from parameter judging unit 121
Parameter, and the voltage parameter is sent to rail traffic monitoring system 700.
, can be in order to monitoring personnel at any time by will determine that result and voltage parameter are sent to rail traffic monitoring system
The state of contact net is grasped, is handled it in time.For example, monitoring personnel can be set according to judged result and voltage parameter adjustment
The size of value, is steadily contacted the voltage of net.
In a kind of possible implementation, orbit monitoring system 700 can also monitor train operating conditions.Communication module
130 are additionally operable to receive train operating conditions from rail traffic monitoring system, and when same section is not present beyond regeneration train
During other trains, output control unit 122 is notified.Output control unit 122 is additionally operable to work as voltage parameter more than rated voltage, and
During less than or equal to the setting value, after the notice of the transmission of communication module 130 is received, control first switch 300 and the
Two switches 500 are closed.
So, by being less than or equal to setting value in the voltage parameter for detecting contact net, and same section is not present again
When giving birth to other trains beyond train, control control first switch 300 and second switch 500 are closed, when making contact net over-pressed
Electric energy is fed back in power network, resistive braking part has both been eliminated, investment is saved, the weight of train is reduced, can be kept away again
The potential overvoltage that contact-free net voltage persistently increases and caused.
Embodiment 3
Fig. 7 shows the schematic diagram of the concrete application scene of the regenerative braking electric energy reponse system according to the embodiment of the present disclosure.
Label has identical function with Fig. 2 identical components in Fig. 5, for simplicity, omits the detailed description to these components.
As shown in fig. 7, regenerative braking electric energy reponse system can include regenerative braking electric energy feedback device 200 and regeneration is made
Dynamic control device 100.Wherein, regenerative braking electric energy feedback device 200 is connected and passed through with contact net 400 via first switch 300
It is connected by second switch 500 with power network 600, the situation for being in closure state in first switch 300 and second switch 500
Under, the voltage of contact net 400 is received, the voltage is changed and transformation, is supplied changing with the voltage after transformation to electricity
Net 600.Regenerative brake control device 100 is connected with contact net 400, for detect contact net 400 voltage parameter and according to
The folding condition of the voltage parameter control first switch 300 and second switch 400.
When so, by being more than setting value in the voltage parameter for detecting contact net, control first switch and second switch
Closure so that contact net is connected via regenerative braking electric energy feedback device with power network, according to the regenerative braking of the embodiment of the present disclosure
Control system can be changed the electric energy of contact net by regenerative braking electric energy feedback device when contact net voltage is excessive
Fed back to after transformation in power network, both eliminated resistive braking part, save investment, reduce the weight of train, again can be with
The regenerating braking energy of train is made full use of, the capacity usage ratio during train braking is improved.
It should be noted that power network can be the power networks such as urban distribution network, medium voltage network, this disclosure is not limited.
In a kind of possible implementation, regenerative braking electric energy feedback device 200 can include：AC-DC conversion unit
210 and transformer 220.AC-DC conversion unit 210 is connected via first switch 300 with contact net 400, in first switch
300 and in the case that second switch 500 is in closure state, the voltage of contact net 400 is received, by the voltage by direct current
Pressure is converted to alternating voltage.Transformer 220 is connected with AC-DC conversion unit 210 and via second switch 500 and power network 600
Connection, in the case of being in closure state in first switch 300 and second switch 500, from AC-DC conversion unit 210
The alternating voltage is received, and is the voltage consistent with the power network 600 by the alternating voltage transformation, by the voltage after transformation
Supply to the power network 600.
Wherein, the DC side of AC-DC conversion unit 210 is connected via first switch 300 with contact net 400, alternating current-direct current dress
The AC for changing unit 210 is connected with the low-pressure side of transformer 220, and the high-pressure side of transformer 220 is via second switch 500 and electricity
Net 600 is connected.Alternating current-direct current dress, which changes unit 210, to be alternating current by regenerating braking energy inversion unnecessary in contact net 400, instead
It is fed to the low-pressure side of transformer 220.Transformer 220 can be converted to alternating voltage the voltage class being adapted to power network 600, and
By the alternating current after conversion, power network 600 is fed back to.
In a kind of possible implementation, alternating current-direct current dress changes unit 210 can deliver the change of stream for direct currents such as inverters
Depressor.
Alternating current is converted to by setting AC-DC conversion unit by direct current, and transformer is set by the exchange after conversion
Electricity is converted into the voltage class being adapted to power network, can be in contact net electricity according to the regenerative brake control system of the embodiment of the present disclosure
When pressing through big, the direct current in contact net can be electrically fed against in power network, both eliminate resistive braking part, save investment,
The weight of train is reduced, the regenerating braking energy of train is taken full advantage of again, the energy profit during train braking is improved
With rate.
It is described above the presently disclosed embodiments, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
The principle, practical application or the technological improvement to the technology in market of each embodiment are best being explained, or is leading this technology
Other those of ordinary skill in domain are understood that each embodiment disclosed herein.
Claims (10)
1. a kind of regenerating brake control method, for controlling regenerative braking electric energy feedback device, wherein, the regenerative braking electric energy
Feedback device is connected with contact net via first switch and is connected via second switch with power network, it is characterised in that including：
The voltage of the contact net is gathered, and the voltage of the contact net is sampled, the voltage ginseng of the contact net is obtained
Number, the voltage parameter is used to represent whether the voltage of the contact net to be more than setting value；
When the voltage parameter is more than the setting value, the first switch and second switch closure are controlled, so that
The contact net is obtained to be connected with the power network via the regenerative braking electric energy feedback device；
Wherein, the regenerative braking electric energy feedback device includes：
AC-DC conversion unit, is connected via the first switch with the contact net, in the first switch and described
In the case that second switch is in closure state, the voltage of the contact net is received, the voltage is changed by DC voltage
For alternating voltage；
Transformer, is connected with the AC-DC conversion unit and is connected via the second switch with the power network, in institute
State first switch and in the case that the second switch is in closure state, described hand over is received from the AC-DC conversion unit
Voltage is flowed, and is the voltage consistent with the power network by the alternating voltage transformation, the voltage after transformation is supplied to the electricity
Net.
2. regenerating brake control method according to claim 1, it is characterised in that gathering the voltage of the contact net,
And the voltage of the contact net is sampled, after the voltage parameter for obtaining the contact net, in addition to：
When the voltage parameter is less than or equal to the setting value, control the first switch and the second switch disconnected
Open.
3. regenerating brake control method according to claim 2, it is characterised in that also include：
The comparative result of the voltage parameter and the voltage parameter and the setting value is sent to track traffic to monitor and is
System.
4. a kind of regenerative brake control device, for controlling regenerative braking electric energy feedback device, wherein, the regenerative braking electric energy
Feedback device is connected with contact net via first switch and is connected via second switch with power network, it is characterised in that including：
Voltage parameter detection module, is connected with the contact net, the voltage for gathering the contact net, and to the contact net
Voltage sampled, to obtain the voltage parameter of the contact net, the voltage parameter is used for the electricity for representing the contact net
Whether pressure is more than setting value；
Control module, is connected with the voltage parameter detection module, for receiving the electricity from the voltage parameter detection module
Parameter is pressed, and when the voltage parameter is more than the setting value, controls the first switch and second switch closure,
To cause the contact net to be connected via the regenerative braking electric energy feedback device with the power network.
5. regenerative brake control device according to claim 4, it is characterised in that the control module includes：
Parameter judging unit, is connected with the voltage parameter detection module, for receiving institute from the voltage parameter detection module
Voltage parameter is stated, and judges whether the voltage parameter is more than the setting value；
Output control unit, is connected with the parameter judging unit, for receiving judged result from the parameter judging unit, and
When the voltage parameter is more than the setting value, the first switch and second switch closure are controlled, to cause
Contact net is stated to be connected with the power network via the regenerative braking electric energy feedback device.
6. regenerative brake control device according to claim 5, it is characterised in that the output control unit, is additionally operable to
When the voltage parameter is less than or equal to the setting value, the first switch and the second switch is controlled to disconnect.
7. regenerative brake control device according to claim 5, it is characterised in that also include：
Communication module, is connected with the parameter judging unit, for receiving judged result from the parameter judging unit, and by institute
Judged result is stated to send to rail traffic monitoring system.
8. regenerative brake control device according to claim 7, it is characterised in that the communication module is additionally operable to from described
Parameter judging unit receives the voltage parameter, and the voltage parameter is sent to the rail traffic monitoring system.
9. a kind of regenerative braking electric energy reponse system, it is characterised in that including：
Regenerative braking electric energy feedback device, is connected with contact net via first switch and is connected via second switch with power network, uses
In the case of closure state is in the first switch and the second switch, the voltage of the contact net is received, it is right
The voltage is changed and transformation, is supplied changing with the voltage after transformation to the power network；
Regenerative brake control device according to claim any one of 4-8, is connected with the contact net, described for detecting
The voltage parameter of contact net and the folding condition that the first switch and second switch are controlled according to the voltage parameter.
10. regenerative braking electric energy reponse system according to claim 9, it is characterised in that the regenerative braking electric energy is anti-
Feedback device includes：
AC-DC conversion unit, is connected via the first switch with the contact net, in the first switch and described
In the case that second switch is in closure state, the voltage of the contact net is received, the voltage is changed by DC voltage
For alternating voltage；
Transformer, is connected with the AC-DC conversion unit and is connected via the second switch with the power network, in institute
State first switch and in the case that the second switch is in closure state, described hand over is received from the AC-DC conversion unit
Voltage is flowed, and is the voltage consistent with the power network by the alternating voltage transformation, the voltage after transformation is supplied to the electricity
Net.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710407335 | 2017-06-02 | ||
| CN2017104073359 | 2017-06-02 |
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| CN201720895555.6U Active CN206954018U (en) | 2017-06-02 | 2017-07-21 | A kind of regenerative brake control device |
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| WO2024108632A1 (en) * | 2022-11-25 | 2024-05-30 | 中车长春轨道客车股份有限公司 | Braking control method and related apparatus |
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| CN107310398A (en) * | 2017-06-02 | 2017-11-03 | 上海艾临科智能科技有限公司 | A kind of regenerating brake control method and device |
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| CN206954018U (en) | 2018-02-02 |
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