CN108773301A - A kind of contact net power supply high-pressure system control method and its application - Google Patents
A kind of contact net power supply high-pressure system control method and its application Download PDFInfo
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- CN108773301A CN108773301A CN201810609748.XA CN201810609748A CN108773301A CN 108773301 A CN108773301 A CN 108773301A CN 201810609748 A CN201810609748 A CN 201810609748A CN 108773301 A CN108773301 A CN 108773301A
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- China
- Prior art keywords
- pantograph
- pressure system
- circuit breaker
- main circuit
- contact net
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Classifications
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- 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
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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
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
- B60L5/32—Devices for lifting and resetting the collector using fluid pressure
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of contact net power supply high-pressure system control methods and its application, high-pressure system to include：Pantograph, main circuit breaker and the high-tension transformer being sequentially connected, pantograph are contacted with contact net, and high-tension transformer is connected with rectifier.Hyperbaric chamber door is provided between high-tension transformer and rectifier, high-pressure system further includes the interlock switch for reflecting hyperbaric chamber door opening and closing state.It when the whole signals for detecting that main circuit breaker is in disconnection position, hyperbaric chamber door is closed, the oil temperature of high-tension transformer is normal, pantograph rising bow air pressure is enough, and is not detected and high-pressure system insulation fault occurs, pantograph could carry out rising bow operation.The present invention can solve the technical issues of pantograph and main circuit breaker security control, so that it is guaranteed that contact net power supply high-pressure system control method safe and reliable operation.
Description
Technical field
The present invention relates to Railway Electric fields, are supplied more particularly, to a kind of contact net applied to railway engineering working truck
Power supply high-pressure system control method and its application.
Background technology
Currently, with the continuous growth of China railways total kilometrage, railroad maintenance workload also increasingly increases, large-scale maintainer
Tool has become the main power of China railways maintenance, has tens mechanized construction teams to be active in ten thousand li of railway lines daily
On.The operation in the wild throughout the year of these construction teams, war severe cold, bucket heat, are the development of China railways cause, especially in recent years
The speed-raising of railway is made that huge contribution.In order to solve the problem concerning life of railroad maintenance fleet in the wild, each road bureau is all vehicle
Team is equipped with the train of camping for having mechanized construction operation function.These camp trains based on passenger train vehicle transformation and
Come, is provided between sleeping berth, the facilities such as kitchen and dining room.In the prior art, CN205890886U, CN106080625A,
The patents such as CN202389375U, CN101386305B, CN201712613U, CN201283866Y, CN101386305A provide
The structure of this train of camping.
The train of camping of mechanized construction team is typically all to take electricity from bus stop on the way, is responsible for by water power section, and place
The time that train is sought in each station stop is all very short, and water power section must frequently arrive construction team and connect electricity.And these stops on the way
It stands typically small station, the transformer capacity on small station is all smaller, and no normal direction train of camping provides the electric energy for comparing large capacity,
So train of camping all carries the diesel generating set provided for oneself.Many times, especially in summer and use in winter air-conditioning
When generally all from diesel generating set to train power supply of camping.Massive diesel-fuel is consumed by diesel generating set power generation, simultaneously
Environment is caused seriously to pollute, the noise that generating set is sent out also causes interference to construction team member and surrounding resident.In addition, bavin
The capacity of oily generating set is also little, and many electrical equipments such as electromagnetic stove, electric shower-bath, refrigerator etc. can not all use on vehicle.
However, the electrified mileage of China railways is all being increased with very high speed every year at present, each main line is substantially electrified,
Electric railway from now on will be more and more, if often camping in the mechanized construction of electrified section operation is equipped with one on train
The system that set directly can take electricity from contact net can obtain great Rong no matter the train that can make to camp is parked in where from contact net
The electric energy of amount fundamentally solves various drawbacks of diesel generating set to avoid water power section from frequently connecing the trouble of electricity.
Currently, in order to solve to camp train electricity consumption the technical issues of, house trailer is generally provided with contact net power supply,
Contact net voltage is converted into civilian three-phase four-wire system voltage.Due to contact net power supply by pantograph from contact net by
Stream, therefore the control of pantograph and main circuit breaker is the key that system safe and reliable operation.In the prior art, with Shen of the present invention
Document that please be mostly concerned is that Jingda Automation Technology Development Co., Ltd., Harbin City applied on 03 25th, 2013, and
Open on 08 21st, 2013, notification number is the Chinese utility model patent of CN203142677U《A kind of railway movable type hair
Electricity is for electric car》.The utility model patent is related to a kind of railway vehicular power generation for electric car, for meeting railway engineering house trailer
Row, accident rescue and along the line production, life load power demands comprising：Boxcar, boxcar include setting up box change separately
Power station region and generating set region are equipped with box type transformer in box-type substation region, are equipped in box-type substation region low
Switch board is pressed, the control system in low-voltage power distributing cabinet is electrically connected generating set, and it is empty that power failure is set in box type transformer, low-voltage power distributing cabinet
Blocking means, low-voltage power distributing cabinet convert different location by double-throw switch, and double-throw switch is separately connected external power supply electricity and generator
Group power supply, generating set pass through 10 kilovolts of lists by the box type transformer described in 10 KV single-core cable connections, box type transformer
Core cable grounding.But the document discloses a kind of truck diesel alternator group power supply system, is not related to train contact of camping
Net power supply, the control for being less related to pantograph and main circuit breaker in contact net power supply high-pressure system control method are asked
Topic.
Invention content
In view of this, the purpose of the present invention is to provide a kind of contact net power supply high-pressure system control method and its answering
With the technical issues of to solve pantograph and main circuit breaker security control, so that it is guaranteed that contact net power supply high-pressure system control
Method safety reliability service processed.
In order to achieve the above-mentioned object of the invention, the present invention specifically provides a kind of contact net power supply high-pressure system controlling party
The technic relization scheme of method, a kind of contact net power supply high-pressure system control method, high-pressure system include：Be sequentially connected by
Pantograph, main circuit breaker and high-tension transformer, the pantograph are contacted with contact net, and the high-tension transformer is connected with rectifier.
Hyperbaric chamber door is provided between the high-tension transformer and rectifier, the high-pressure system further includes for reflecting the high pressure
The interlock switch of room door opening and closing state；
It when detecting following whole signals, and is not detected and high-pressure system insulation fault occurs, the pantograph could be into
Row rising bow operates：
A) main circuit breaker, which is in, disconnects position；
B) the hyperbaric chamber door is closed；
C) oil temperature of the high-tension transformer is normal；
D) the rising bow air pressure of the pantograph is enough.
Preferably, the high-pressure system further includes：High voltage potential transformer, arrester, high-tension fuse and high_voltage isolation
Switch.The pantograph, main circuit breaker, high-tension fuse, high voltage isolator, high-tension transformer are sequentially connected.The high pressure
One end of voltage transformer primary side is connected between the pantograph and main circuit breaker, and the other end is connected to the ground.The arrester
One end be connected between the pantograph and main circuit breaker, the other end is connected to the ground by babinet.The main circuit breaker and height
It is arranged with wall bushing on cable between pressure fuse.The high-pressure system insulation fault includes but not limited to described by electricity
The insulation fault of bow, high voltage potential transformer, arrester, main circuit breaker, wall bushing, high-tension fuse, high voltage isolator.
Preferably, the high-pressure system further includes the rising bow valve for driving the pantograph to carry out lifting bow operation, and with institute
The connected lifting bow knob of rising bow valve is stated, the pantograph can be made to be dropped by operating lifting bow knob in any condition
Bow.
Preferably, also sub-main break road device is sent to the main circuit breaker while sending drop bow instruction to pantograph to refer to
It enables.
Preferably, when detecting that following whole signals, the main circuit breaker could carry out closed procedure：
A1) pantograph rises, and the voltage of the contact net is normal；
B1) the hyperbaric chamber door is closed；
C1) oil temperature of the high-tension transformer is normal；
D1) the rising bow air pressure of the pantograph is enough.
Preferably, the high-pressure system further includes the control of main circuit breaker knob being connected with the main circuit breaker, any
Under the conditions of can actively disconnect the main circuit breaker by operating lifting bow knob or control of main circuit breaker knob.
Preferably, when detecting following either signal, breaking operation instruction is sent to the main circuit breaker, and to it is described by
Pantograph sends drop bow operational order；
A2) the hyperbaric chamber door is in the open state；
B2) the rising bow air pressure of the pantograph is insufficient；
C2) oil temperature of the high-tension transformer is higher than temperature protection setting value；
D2) voltage of the contact net is higher than overvoltage protection value；
E2) voltage of the contact net is less than under-voltage protection value；
F2) electric current of the contact net is less than the primary side overcurrent protection value of high-tension transformer.
Preferably, the drop bow actuation time of the pantograph is more than the break of the main circuit breaker, described to ensure
After main circuit breaker disconnects, the pantograph is just detached with contact net so that bringing onto load does not carry out drop bow operation to the pantograph.
In addition the present invention also specifically provides a kind of contact net power supply high-pressure system control method and makees in large-scale road maintaining
The technic relization scheme of application in industry vehicle.
Preferably, the large-scale road maintenance operation vehicle is that railroad maintenance is camped train.
By the technology for implementing contact net power supply high-pressure system control method and its application that aforementioned present invention provides
Scheme has the advantages that：
Contact net power supply high-pressure system control method of the present invention and its application can solve pantograph and main circuit breaker
The technical issues of security control, so that it is guaranteed that contact net power supply high-pressure system control method safe and reliable operation, while really
Protect personnel safety.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments are obtained according to these attached drawings.
Fig. 1 be contact net power supply high-pressure system control method of the present invention and its application a kind of specific embodiment it is electrical
Topology diagram；
Fig. 2 is contact net power supply high-pressure system control method of the present invention and its a kind of control of specific embodiment of application
Functional block diagram；
In figure：1- contact nets, 2- pantographs, 3- high voltage potential transformers, 4- arresters, 5- babinets, 6- main circuit breakers, 7-
Wall bushing, 8- high-tension fuses, 9- high voltage isolators, 10- high-tension transformers, 11- current transformers, 12- earth clips,
13- rail, 14- interlock switches, 15- rectifiers, 16- inverters, 17- output switches, 18- loads, the hyperbaric chambers 19- door, 20- controls
Device processed, 21- lifting bow knobs, 22- control of main circuit breaker knobs, 23- rising bow valves.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear, complete description.Obviously, described embodiment is only
Only it is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
All other embodiment that art personnel are obtained without creative efforts belongs to the model that the present invention protects
It encloses.
As shown in Figure 1 and Figure 2, contact net power supply high-pressure system control method of the present invention and its application are given
Specific embodiment, the invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of embodiment of contact net power supply high-pressure system control method, high pressure system
System specifically includes：Pantograph 2, high voltage potential transformer 3, arrester 4, main circuit breaker 6, high-tension fuse 8, high voltage isolator
9, high-tension transformer 10 and control device 20.Pantograph 2, main circuit breaker 6, high-tension fuse 8, high voltage isolator 9, high voltage variable
Depressor 10 is sequentially connected.Pantograph 2 is contacted with contact net 1, one end of 3 primary side of high voltage potential transformer be connected to pantograph 2 with
Between main circuit breaker 6, the other end is connected to the ground.One end of arrester 4 is connected between pantograph 2 and main circuit breaker 6, the other end
It is connected to the ground by babinet 5.High-tension transformer 10 is connected with rectifier 15, is arranged between high-tension transformer 10 and rectifier 15
There is hyperbaric chamber door 19.Contact net power supply high-pressure system control method further includes being connected with control device 20 and for reflecting height
The interlock switch 14 of 19 on off state of pressure chamber door, and be connected with control device 20 and grasped for driving pantograph 2 to carry out lifting bow
The rising bow valve 23 of work.One end of 10 input side of high-tension transformer is connected with high voltage isolator 9, and it is mutual that the other end passes sequentially through electric current
Sensor 11, earth clip 12 are connected to rail 13.In addition, rectifier 15, inverter 16, output switch 17, loading and 18 being sequentially connected.
The logical condition of 2 rising bow of pantograph is, when control device 20 detects following whole signals, and generation high-pressure system is not detected
Insulation fault, pantograph 2 could carry out rising bow operation：
A) main circuit breaker 6, which is in, disconnects position；
B) hyperbaric chamber door 19 is closed；
C) oil temperature of high-tension transformer 10 is normal；
D) the rising bow air pressure of pantograph 2 is enough.
Wall bushing 7 is arranged on cable between main circuit breaker 6 and high-tension fuse 8.High-pressure system insulation fault packet
Include but be not limited to pantograph 2, high voltage potential transformer 3, arrester 4, main circuit breaker 6, wall bushing 7, high-tension fuse 8, height
Press the insulation fault of disconnecting switch (being specially high-voltage isolating switch static contact head) 9.Arrester 4, wall bushing 7, high-tension fuse 8
The insulation fault of equal high tension apparatus can send high tension voltage to high-pressure system (i.e. high tension voltage by the way that high voltage potential transformer 3 is counter
The high-pressure side of mutual inductor 3), then the voltage that high voltage potential transformer 3 is fed back is detected to judge high pressure system by control device 20
Whether system insulation is normal, as R show the equivalent resistance over the ground of the high tension apparatus in high-pressure system in attached drawing 1.High-voltage electricity send supreme
Pressure system, if high tension apparatus insulation against ground is good, equivalent resistance R is infinity to high tension apparatus over the ground.And for example：When through walls
The insulation damages of casing 7, because the insulation against ground of wall bushing 7 is impaired so that the high tension apparatus in high-pressure system is equivalent over the ground
Resistance R is strongly reduced, and high-pressure system increases earth-current under high pressure electro ultrafiltration, the primary side current of high voltage potential transformer 3
Increasing, the secondary side current of high voltage potential transformer 3 is caused to increase, the secondary side feedback voltage of high voltage potential transformer 3 declines,
The detection of high-pressure system insulation fault can be realized in secondary side feedback voltage by reading high voltage potential transformer 3.
Wherein, using the status signal of hyperbaric chamber door 19 as rising bow condition, high pressure Danger Electric shock risk can be avoided.By high voltage variable
The temperature of depressor 10 can avoid 10 internal abnormality of high-tension transformer that contact net 1 is caused to be grounded, further keep away as rising bow condition
Contact-free net power switch trips and contact net burning damage accident.Using the rising bow air pressure of pantograph 2 as rising bow condition, can avoid
Air pressure deficiency causes pantograph 2 and the contact force of contact net 1 inadequate, causes contact net 1 with 2 flashing of pantograph to damaging contact
Net 1.Using the testing result of high-pressure system insulation fault as rising bow condition, can avoid blindness rising bow make contact net 1 be grounded and
The contact net power switch of traction substation is caused to trip and contact net burning damage accident.
High-pressure system further includes the lifting bow knob 21 being connected with rising bow valve 23, and the logical condition of the drop bow of pantograph 2 is：?
Pantograph 2 can be made to carry out drop bow by operating lifting bow knob 21 under the conditions of any.Control device 20 is sent to pantograph 2
While drop bow instruction also the device instruction of sub-main break road is sent to main circuit breaker 6.Because of break (about 50 millis of main circuit breaker 6
Second) much smaller than drop bow time (about 500 milliseconds) of pantograph 2, so after main circuit breaker 6 disconnects, 2 ability of pantograph and contact net
1 cable separation.Ensure actively make pantograph 2 fall under any circumstance, and bends while order is sent in drop and send out
Sub-main break road device 6 is sent to order.And the drop bow actuation time of pantograph 2 is much larger than the break of main circuit breaker 6, it can be ensured that main
After breaker 6 disconnects, 2 ability of pantograph is detached with contact net 1 so that bringing onto load 18 does not carry out drop bow operation to pantograph 2.
The logical condition that main circuit breaker 6 is closed is that, when control device 20 detects following whole signals, main circuit breaker 6 is
It can carry out closed procedure：
A1) pantograph 2 rises, and the voltage of contact net 1 is normal；
B1) hyperbaric chamber door 19 is closed；
C1 the oil temperature for) stating high-tension transformer 10 is normal；
D1) the rising bow air pressure of pantograph 2 is enough.
Wherein, the net positive pressure of contact net 1 can be avoided into overtension or too low frequently as the condition of co-host break road device 6
And cause high-pressure system abnormal.Using the shutdown signal of hyperbaric chamber door 19 as the condition of co-host break road device 6, high pressure can be avoided to touch
It is electric dangerous.Using the temperature of high-tension transformer 10 as the condition of co-host break road device 6, the inside of high-tension transformer 10 can be avoided different
The ground connection of contact net 1 is often resulted in, the contact net power switch of traction substation can be avoided to trip and contact net burning damage accident.It will be by
Condition of the rising bow air pressure of pantograph 2 as co-host break road device 6 can avoid driving 6 closed action of main circuit breaker when air pressure deficiency
Contact flashing destruction contact surface that is not rapid enough and leading to main circuit breaker 6.Contact surface destruction will increase contact resistance, increase
It generates heat and reduces the service life.
High-pressure system further includes the control of main circuit breaker knob 22 being connected with main circuit breaker 6, the disconnection condition of main circuit breaker 6
For：It can actively disconnect main circuit breaker 6 by operating lifting bow knob 21 or control of main circuit breaker knob 22 in any condition.
And the active disjunction main circuit breaker 6 when control device 20 detects catastrophe failure, it can be ensured that system and personnel safety.
When control device 20 detects that following either signal, control device 20 send 6 breaking operation of main circuit breaker and refer in real time
It enables, and sends the drop bow operational order of pantograph 2：
A2) hyperbaric chamber door 19 is in the open state；
B2) the rising bow air pressure of pantograph 2 is insufficient；
C2) oil temperature of high-tension transformer 10 is higher than setting value；
D2) voltage of contact net 1 is higher than overvoltage protection value；
E2) voltage of contact net 1 is less than under-voltage protection value；
F2) electric current of contact net 1 is less than primary side overcurrent (the i.e. current detecting of current transformer 11 of high-tension transformer 10
Value) protection value.
Embodiment 2
Contact net power supply high-pressure system control method is applied in large-scale road maintenance operation vehicle described in a kind of embodiment 1
Embodiment.Large-scale road maintenance operation vehicle is further that railroad maintenance is camped train.
By contact net power supply high-pressure system control method and its application of implementing specific embodiment of the invention description
Technical solution, can have the following technical effects：
The contact net power supply high-pressure system control method of specific embodiment of the invention description and its application can solve
The technical issues of pantograph and main circuit breaker security control, so that it is guaranteed that contact net power supply high-pressure system control method safety
Reliability service, while ensuring personnel safety.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed with preferred embodiment as above, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, in the case where not departing from the Spirit Essence and technical solution of the present invention, all using in the methods and techniques of the disclosure above
Appearance makes many possible changes and modifications to technical solution of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore,
Every content without departing from technical solution of the present invention is made to the above embodiment any simple according to the technical essence of the invention
Modification, equivalent replacement, equivalence changes and modification still fall within the range of technical solution of the present invention protection.
Claims (10)
1. contact net power supply high-pressure system control method according to claim 1, which is characterized in that high-pressure system packet
It includes：Pantograph (2), main circuit breaker (6) and the high-tension transformer (10) being sequentially connected, the pantograph (2) connect with contact net (1)
It touches, the high-tension transformer (10) is connected with rectifier (15)；It is set between the high-tension transformer (10) and rectifier (15)
It is equipped with hyperbaric chamber door (19), the high-pressure system further includes the interlock switch for reflecting described hyperbaric chamber door (19) on off state
(14)；
It when detecting following whole signals, and is not detected and high-pressure system insulation fault occurs, the pantograph (2) could carry out
Rising bow operates：
A) main circuit breaker (6), which is in, disconnects position；
B) the hyperbaric chamber door (19) is closed；
C) oil temperature of the high-tension transformer (10) is normal；
D) the rising bow air pressure of the pantograph (2) is enough.
2. contact net power supply high-pressure system control method according to claim 1, which is characterized in that the high-pressure system
Further include：High voltage potential transformer (3), arrester (4), high-tension fuse (8) and high voltage isolator (9)；The pantograph
(2), main circuit breaker (6), high-tension fuse (8), high voltage isolator (9), high-tension transformer (10) are sequentially connected；The high pressure
One end of voltage transformer (3) primary side is connected between the pantograph (2) and main circuit breaker (6), and the other end is connected to the ground；Institute
The one end for stating arrester (4) is connected between the pantograph (2) and main circuit breaker (6), and the other end is connected to by babinet (5)
Ground；It is arranged with wall bushing (7) on cable between the main circuit breaker (6) and high-tension fuse (8)；The high-pressure system is exhausted
Reason barrier includes but not limited to the pantograph (2), high voltage potential transformer (3), arrester (4), main circuit breaker (6), through walls
The insulation fault of casing (7), high-tension fuse (8), high voltage isolator (9).
3. contact net power supply high-pressure system control method according to claim 1 or claim 2, it is characterised in that：The high pressure
System further includes the rising bow valve (23) for driving the pantograph (2) to carry out lifting bow operation, and is connected with the rising bow valve (23)
Lifting bow knob (21), in any condition can by operate lift bow knob (21) so that the pantograph (2) is dropped
Bow.
4. contact net power supply high-pressure system control method according to claim 3, it is characterised in that：To pantograph
(2) while sending drop bow instruction also the device instruction of sub-main break road is sent to the main circuit breaker (6).
5. according to any one of claim 1, the 2 or 4 contact net power supply high-pressure system control method, it is characterised in that：
When detecting that following whole signals, the main circuit breaker (6) could carry out closed procedure：
A1) pantograph (2) is risen, and the voltage of the contact net (1) is normal；
B1) the hyperbaric chamber door (19) is closed；
C1) oil temperature of the high-tension transformer (10) is normal；
D1) the rising bow air pressure of the pantograph (2) is enough.
6. contact net power supply high-pressure system control method according to claim 5, it is characterised in that：The high-pressure system
Further include the control of main circuit breaker knob (22) being connected with the main circuit breaker (6), it in any condition can be by operating institute
It states lifting bow knob (21) or control of main circuit breaker knob (22) actively disconnects the main circuit breaker (6).
7. according to any one of claim 1,2, the 4 or 6 contact net power supply high-pressure system control method, feature exists
In：When detecting following either signal, breaking operation instruction is sent to the main circuit breaker (6), and send out to the pantograph (2)
Send drop bow operational order；
A2) the hyperbaric chamber door (19) is in the open state；
B2) the rising bow air pressure of the pantograph (2) is insufficient；
C2) oil temperature of the high-tension transformer (10) is higher than setting value；
D2) voltage of the contact net (1) is higher than overvoltage protection value；
E2) voltage of the contact net (1) is less than under-voltage protection value；
F2) electric current of the contact net (1) is less than the primary side overcurrent protection value of high-tension transformer (10).
8. contact net power supply high-pressure system control method according to claim 7, it is characterised in that：The pantograph
(2) drop bow actuation time is more than the break of the main circuit breaker (6), after ensuring that the main circuit breaker (6) disconnects, institute
It states pantograph (2) just to detach with contact net (1) so that bringing onto load (18) does not carry out drop bow operation to the pantograph (2).
9. a kind of any one of claim 1 to 8 contact net power supply high-pressure system control method is in large-scale road maintenance operation
Application in vehicle.
10. application according to claim 9, it is characterised in that：The large size road maintenance operation vehicle is camped for railroad maintenance
Train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609748.XA CN108773301B (en) | 2018-06-13 | 2018-06-13 | Control method and application of high-voltage system of power supply of contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609748.XA CN108773301B (en) | 2018-06-13 | 2018-06-13 | Control method and application of high-voltage system of power supply of contact network |
Publications (2)
| Publication Number | Publication Date |
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| CN108773301A true CN108773301A (en) | 2018-11-09 |
| CN108773301B CN108773301B (en) | 2021-09-21 |
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| CN201810609748.XA Active CN108773301B (en) | 2018-06-13 | 2018-06-13 | Control method and application of high-voltage system of power supply of contact network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119125A1 (en) * | 2018-12-10 | 2020-06-18 | 中车大连机车车辆有限公司 | Redundancy control method and system for locomotive high-voltage system |
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