WO2016082650A1 - 三轨供电到库内供电安全过渡的高压电路 - Google Patents

三轨供电到库内供电安全过渡的高压电路 Download PDF

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Publication number
WO2016082650A1
WO2016082650A1 PCT/CN2015/093213 CN2015093213W WO2016082650A1 WO 2016082650 A1 WO2016082650 A1 WO 2016082650A1 CN 2015093213 W CN2015093213 W CN 2015093213W WO 2016082650 A1 WO2016082650 A1 WO 2016082650A1
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Prior art keywords
power supply
end point
workshop
power
switch
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PCT/CN2015/093213
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English (en)
French (fr)
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肖婵娟
张会青
田庆
姜付杰
刘玉文
蒋欣
丁叁叁
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中车青岛四方机车车辆股份有限公司
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Priority to GB1614089.9A priority Critical patent/GB2538200B/en
Publication of WO2016082650A1 publication Critical patent/WO2016082650A1/zh

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
    • 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
    • B60M1/02—Details
    • B60M1/04—Mechanical protection of line; Protection against contact by living beings
    • 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
    • B60M1/30—Power rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M2200/00—Specific problems related to power supply lines not otherwise provided for

Definitions

  • the invention relates to the field of electrical technology, in particular to a high voltage circuit for three-rail power supply to a safe transition of power supply in a warehouse.
  • the present invention provides a high-voltage circuit for three-rail power supply to the safe power supply transition in the warehouse, which can realize a safety transition from the power supply of the current collector to the power supply for the library, and can ensure the safety of the maintenance personnel and ensure maintenance.
  • the work is safe and reliable.
  • a high-voltage circuit for three-rail power supply to a safe transition of power supply in a warehouse including a current collector, a workshop power supply, a high voltage bus, a power supply bus of a workshop power supply, and a main switch;
  • the number of the current collector and the main switch is the same as the number of the cars, and the number of the workshop power sources is two or more;
  • the current receivers in each compartment are connected to the high voltage busbars to provide power to the high voltage busbars;
  • Each workshop power supply is connected to the workshop power supply busbar to provide power for the workshop power supply bus. power supply;
  • the main switch is a double-pole double-throw switch, in which the switch S1 can be thrown to the end point P1 or P2, the switch S2 can be thrown to the end point P3 or P4, and the end point P1 of the main switch in each car is connected to the high-voltage bus
  • End point P2 is connected to the power supply bus of the workshop, and the end point P3 is connected to the power end of the traction power supply or the auxiliary power supply, and the end point P4 is grounded;
  • a contactor K1 is disposed on the high voltage bus.
  • the contactor K1 is disposed at an intermediate position of the high voltage bus bar.
  • the high voltage busbar is evenly provided with two contactors K1.
  • the first threshold is 8 and the second threshold is 14.
  • three contactors K1 are uniformly disposed on the high voltage bus.
  • the plant power source is disposed at both ends of the train.
  • the high-voltage circuit of the three-rail power supply to the safe power supply transition in the library can realize safe moving in the trains of various groups, and select the K1 layout position and the parking point according to the actual position.
  • the circuit has simple structure and reliable control, and can realize a safe transition from the power supply of the current collector to the power supply for the library, which can ensure the safety of the maintenance personnel and ensure the safety and reliability of the maintenance work.
  • FIG. 1 is a schematic structural diagram of a high voltage circuit for safely transitioning a three-rail power supply to a power supply in a library according to Embodiment 1 of the present invention
  • Figure 2 shows a schematic structural view of the main switch
  • Figure 3 shows a schematic view of the vehicle moving from the yard to the garage
  • Figure 4 shows a schematic view of the vehicle moving from the exit to the yard.
  • FIG. 1 is a schematic structural diagram of a high voltage circuit for a safe transition of a three-rail power supply to a power supply in a library according to Embodiment 1 of the present invention.
  • the high-voltage circuit of the three-rail power supply to the safe transition of the power supply in the warehouse includes a current collector, a workshop power supply, a high voltage bus, a power supply bus of the workshop power supply, and a main switch; the number of the current receiver and the main switch are both The number of cars is the same, and the number of power sources in the workshop is two or more;
  • the current receivers in each compartment are connected to the high voltage busbars to provide power to the high voltage busbars;
  • Each workshop power supply is connected to the workshop power supply bus, providing power for the workshop power supply bus;
  • the main switch is a double-pole double-throw switch.
  • the switch S1 can be thrown to the end point P1 or P2, and the switch S2 can be thrown to the end point P3 or P4, and the end point P1 of the main switch in each car is Connected to the high-voltage bus, the terminal P2 is connected to the power supply bus of the workshop, and the terminal P3 is connected to the power terminal of the traction or the power supply of the auxiliary power source, and the terminal P4 is grounded;
  • a contactor K1 is disposed on the high voltage bus.
  • the end point P1 of the main switch is connected to the high voltage bus, and the end point P2 is connected to the power supply bus of the workshop to realize isolation of the high voltage bus and the power supply bus of the workshop.
  • the current collector is connected to the high voltage bus, and the power supply of the workshop is connected with the power supply bus of the workshop, which supplies power to the vehicle.
  • the circuit of the invention can realize safe moving of vehicles in a plurality of grouped trains, and selects the position and the parking point of the contactor K1 according to the actual position.
  • the circuit can realize: a safe transition from the power supply of the current collector to the power supply of the library, which can ensure the safety of the maintenance personnel and ensure the safety and reliability of the maintenance work.
  • the following is an example of the operation of the circuit of the present invention by taking the train main line operation, the train moving into the garage, the in-house maintenance train, the in-house power-on commissioning vehicle, and the vehicle exiting into the parking lot as examples. principle.
  • Embodiment 2 Train line operation
  • the control switch When the vehicle is operating on the main line, the control switch is operated through the driver's cab. As shown in Figure 1, because the 2, 3, 4, and 5 cars are only equipped with the vehicle traction equipment, the 2, 3, 4, and 5 cars have no auxiliary power supply, 1, The 6 cars only have the auxiliary power supply equipment of the whole vehicle, and there is no traction equipment. Therefore, the end point P3 of the main switch of the 2, 3, 4, and 5 cars is connected with the traction end; the end point P3 and the auxiliary of the main switch of the 1, 6 car The power supply is connected to the power terminal. The K1 contactor is closed, the switch S1 of the main switch box of all vehicles is in the P1 position, and the switch S2 is in the P3 position. At this time, the train passes through the third rail and passes through the P1 position of the switch S1 and the P3 position of the S2 as the train traction system and Auxiliary system power supply.
  • Embodiment 3 Train moved into the garage
  • Step 301 To ensure the safety of the garage personnel, after the train enters the yard line, the driver operates the switch and disconnects K1 in FIG.
  • the example circuit sets K1 in the middle position, divides the 6-group car into two units, and when the train is transferred from the yard to the warehouse, the train head stops at the parking point 1.
  • At least the flow receivers of the head unit (cars 4, 5, and 6) are separated from the three rails;
  • the power socket of the workshop installed in the front of the vehicle can access the power plug of the workshop with the sliding line;
  • D.K1 is located in the no-electric zone between the garage and the three rails.
  • Step 302 The garage personnel manually dials only the main switch box of the No. 6 car in the warehouse from the P1 position to the P2 position. According to the traction capacity requirement of the vehicle, one of the (4, 5) or two S1s may be used. Dial to P2, other cars' S1 is in P1 position, all S2 is in P3 position; connect the No. 6 car's workshop power supply, here, the vehicle tail (1, 2, 3) car passes the three-track power receiving, vehicle (4 , 5, 6 car) or (4, 6 car) or (5, 6 car) traction assist system through the workshop power supply.
  • Step 303 The driver pulls the train to continue moving, and the subsequent vehicle continues to leave the third track; the train relies on the power supply of the workshop to keep moving; after the parking is in place, the driver stops.
  • Step 304 The driver unplugs the power plug of the workshop and restores the switch S1 of all the main switches to the P1 position.
  • Embodiment 4 Repairing trains in the warehouse
  • Step 401 Remove the power of the workshop, at which time the vehicle has no high voltage input.
  • Step 402 Confirm that the switch S1 of the inspected vehicle is at the P1 position, and the switch S2 is turned to the P4 position. At this time, the train high voltage circuit is grounded.
  • Step 403 If other maintenance personnel mistakenly connect the power supply of the workshop, the high-voltage power is grounded through the other vehicle to the P4 position of the switch S2 of the switch box where the maintenance personnel are located, thereby ensuring the safety of the maintenance personnel.
  • Step 404 All switches S2 are restored to the P3 position after the repair is completed.
  • Embodiment 5 Powering up the vehicle in the warehouse
  • Step 501 Disconnect the power of the workshop, and the train has no high voltage input at this moment.
  • Step 502 Turn the S1 of the vehicle to be debugged to the P2 position, and at least ensure that the switch S1 of the vehicle that sets the power of the workshop is turned to the P2 position.
  • Step 503 The other vehicle S1 still maintains the P1 position, and all the switches S2 go to the P3 position.
  • Step 504 Connect the workshop power supply to supply power to the train, and the powered vehicle obtains the high voltage power supply to work.
  • Step 505 All switches S1 resume the P1 position after the test is completed.
  • Embodiment 6 Vehicles leaving the warehouse to enter the yard
  • Step 601 The train stops in the warehouse; the power of the workshop is disconnected.
  • Step 602 First check that all the switches S2 of the vehicle are set to the P3 position, the (1, 2, 3) car switch S1 is set to the P1 position, and the S1 of the six cars is set from the P1 position to the P2 position, according to the traction capability of the vehicle, One of (4, 5), or two S1 to P2.
  • Step 603 Connect the power supply of the No. 6 car workshop, and the train is powered by the power supply of the workshop library.
  • Step 604 When the train is moved out of the yard line, as shown in FIG. 4, the train stops at the parking point 2, and the position guarantees:
  • At least the No. 1 car contacts the three tracks.
  • D.K1 is located in the no-electric zone between the three-track and the garage.
  • Step 605 The garage personnel unplug the power plug of the workshop and manually dial the S1 of the last three cars (4, 5, and 6 cars) still in the garage from the P2 position to the P1 position, and the train receives power through the three tracks.
  • Step 606 The train receives the flow from the third rail, and the normal driving operation can be performed. When the vehicle leaves the yard, the driver operates the switch and resets the contactor K1.
  • the contactor K1 is disposed at an intermediate position of the high voltage bus.
  • the high voltage busbar is evenly provided with two contactors K1.
  • the first threshold is 8 and the second threshold is 14.
  • the car number corresponding to "crossing" in Table 1 is the set position of the contactor K1.
  • the workshop power source is disposed at both ends of the train.
  • the contactor K1 is controlled to be disconnected and closed by the driver in the driver's cab; K1 is set as far as possible in the center of the train; the parking point of the train entering and leaving the warehouse ensures that K1 must be located There is no electricity area between the three rails and the garage; the workshop power is placed at both ends of the train as much as possible; the garage personnel move the main switch position as far as possible from the three rails; the workshop power socket installed in the front can touch the workshop with the sliding line Power plug.
  • the circuit of the invention can realize safe transportation in a plurality of grouped trains, and select a K1 arrangement position and a parking point according to the actual position.
  • the position of K1 can be adjusted according to the length of the on-site power-off zone and the grouping situation.
  • the circuit of the invention comprehensively considers the safety and solves the problem of safe transition of the vehicle from the three-rail power supply to the power supply for the library.
  • the circuit of the invention has the advantages of simple structure, reliable control, safe movement of the train in a plurality of grouped trains, and real-time movement of the plurality of power-off zones.
  • the circuit can also ensure the safety of the maintenance personnel and ensure the safety and reliability of the maintenance work.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种三轨供电到库内供电安全过渡的高压电路，包括受流器、车间电源、高压母线、车间电源供电母线和主开关。车间电源均与车间电源供电母线相连，为车辆提供电源。主开关为双刀双掷开关，主开关中开关S1可以掷向端点P1或P2，开关S2可以掷向端点P3或P4，每节车厢中的主开关的端点P1与高压母线相连，端点P2与车间电源供电母线相连，实现高压母线和车间电源供电母线的隔离，端点P3与牵引用电端或辅助电源用电端相连，端点P4接地。高压母线上设置有一个接触器K1。该高压电路可实现由受流器供电到库用电源供电的安全过渡，可保证检修人员的安全，保证检修作业的安全可靠。

Description

三轨供电到库内供电安全过渡的高压电路
本申请要求于2014年11月27日提交中国专利局、申请号为201410712622.7、发明名称为“三轨供电到库内供电安全过渡的高压电路”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电气技术领域，具体涉及一种三轨供电到库内供电安全过渡的高压电路。
背景技术
在阿根廷萨缅托线车辆段，三轨与车库之间有10米左右的断电区，业主要求车辆设计可以实现由三轨供电过渡到库用电源供电，并可由库用电源牵引车辆，保证车辆安全过渡到检修库内。现有技术直接由三轨供电，司机驾驶车辆驶入库内，当车辆离开三轨后，靠车辆运行惯性到达终点，由于整车牵引母线贯通，搭在三轨上的受流器带电导致驶入库内的受流器也带电，存在内部检修人员触电等诸多安全隐患。
因此，亟需提供一种由三轨供电到库内供电安全过渡的高压电路，实现由受流器供电到库用电源供电的安全过渡。
发明内容
针对现有技术的不足，本发明提供一种三轨供电到库内供电安全过渡的高压电路，可实现由受流器供电到库用电源供电的安全过渡，可保证检修人员的安全，保证检修作业的安全可靠。
为实现上述目的，本发明通过以下技术方案予以实现：
一种三轨供电到库内供电安全过渡的高压电路，包括受流器、车间电源、高压母线、车间电源供电母线和主开关；
所述受流器和主开关的个数均与车厢个数相同，所述车间电源的个数为两个以上；
每个车厢中的受流器均与高压母线相连，为高压母线提供电源；
每个车间电源均与车间电源供电母线相连，为车间电源供电母线提供 电源；
所述主开关为双刀双掷开关，主开关中开关S1可以掷向端点P1或P2，开关S2可以掷向端点P3或P4，每节车厢中的主开关的端点P1与所述高压母线相连，端点P2与所述车间电源供电母线相连，端点P3与牵引用电端或辅助电源用电端相连，端点P4接地；
所述高压母线上设置有一个接触器K1。
优选地，所述接触器K1设置在所述高压母线的中间位置。
优选地，当列车的车厢个数大于第一阈值且小于第二阈值时，所述高压母线上均匀设置有两个接触器K1。
优选地，所述第一阈值为8，第二阈值为14。
优选地，当列车的车厢个数大于第二阈值时，所述高压母线上均匀设置有三个接触器K1。
优选地，所述车间电源设置在列车两端。
通过以上描述可知，本发明所述的三轨供电到库内供电安全过渡的高压电路，可以实现多种编组的列车库内安全移车，根据实际位置选择K1布置位置和停车点。该电路结构简单，控制可靠，可实现由受流器供电到库用电源供电的安全过渡，可保证检修人员的安全，保证检修作业的安全可靠。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示出了本发明实施例一提供的三轨供电到库内供电安全过渡的高压电路的结构示意图；
图2示出了主开关的结构示意图；
图3示出了车辆从车场驶向车库的示意图；
图4示出了车辆从出库驶向车场的示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整的描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
图1示出了本发明实施例一提供的三轨供电到库内供电安全过渡的高压电路的结构示意图。参见图1，所述三轨供电到库内供电安全过渡的高压电路包括受流器、车间电源、高压母线、车间电源供电母线和主开关；所述受流器和主开关的个数均与车厢个数相同，所述车间电源的个数为两个以上；
每个车厢中的受流器均与高压母线相连，为高压母线提供电源；
每个车间电源均与车间电源供电母线相连，为车间电源供电母线提供电源；
如图2所示，所述主开关为双刀双掷开关，主开关中开关S1可以掷向端点P1或P2，开关S2可以掷向端点P3或P4，每节车厢中的主开关的端点P1与所述高压母线相连，端点P2与所述车间电源供电母线相连，端点P3与牵引用电端或辅助电源用电端相连，端点P4接地；
所述高压母线上设置有一个接触器K1。
其中，主开关的端点P1与所述高压母线相连，端点P2与所述车间电源供电母线相连，以实现高压母线和车间电源供电母线的隔离。
其中，受流器与高压母线相连，车间电源与车间电源供电母线相连，都是为车辆提供电源。
本发明所述电路可以实现多种编组的列车库内安全移车，根据实际位置选择接触器K1布置位置和停车点。该电路可实现：由受流器供电到库用电源供电的安全过渡，可保证检修人员的安全，保证检修作业的安全可靠。
下面分别以列车正线运营、列车移入车库、库内检修列车、库内通电调试车辆和车辆出库驶入车场五种工况为例，介绍本发明所述电路的工作 原理。
实施例二：列车正线运营
当车辆在正线运营时，通过司机室操作控制开关，图1所示，因为2，3，4，5车只布置了车辆牵引设备，2，3，4，5车没有辅助电源，1，6车只布置了整车的辅助供电设备，没有牵引设备，因此2，3，4，5车上主开关的端点P3与牵引用电端相连；1，6车上主开关的端点P3与辅助电源用电端相连。K1接触器闭合，所有车辆的主开关箱的开关S1在P1位，开关S2在P3位，此时，列车通过第三轨受流经过开关S1的P1位和S2的P3位为列车牵引系统和辅助系统供电。
实施例三：列车移入车库
步骤301：为保证车库人员的安全，列车进入车场线后，司机操作开关，断开图1中的K1。
如图3，该示例电路将K1设在中间位，将该6编组车分成了2个单元，将列车从车场移车入库时，列车车头在停车点1停车。该位置保证：
A.至少头车单元(4，5，6号车)的受流器均脱离三轨；
B.车库人员调动主开关位置时尽可能远离三轨；
C.在车头安装的车间电源插座能够接触到带滑触线的车间电源插头；
D.K1位于车库和三轨之间的无电区。
步骤302：车库人员手动仅将驶向库内的6号车的主开关箱从P1位拨至P2位，根据车辆牵引能力需求，可将(4，5)中的1个，或者2个S1拨至P2位，其它车的S1在P1位，所有S2在P3位；连接6号车的车间电源，在此，车辆尾部(1，2，3)号车通过三轨受电，车辆(4，5，6号车)或(4，6号车)或(5，6号车)牵引辅助系统通过车间电源受电。
步骤303：司机牵引列车继续移动，后续车辆持续脱离第三轨；列车依靠车间电源供电保持移动；移车到位后，司机停车。
步骤304：司机拔下车间电源插头,将所有主开关的开关S1恢复至P1位。
实施例四：库内检修列车
步骤401：取下车间电源，此时车辆无高压电输入。
步骤402：确认被检修车辆的开关S1在P1位置，开关S2转到P4位置，此时，列车高压电路接地。
步骤403：如果其他检修人员错误连接车间电源，高压电通过其它车辆到检修人员所在的开关箱的开关S2的P4位接地，保证检修人员的安全。
步骤404：检修完成后所有开关S2恢复至P3位。
实施例五：库内通电调试车辆
步骤501：断开车间电源，此刻列车无高压输入。
步骤502：将需调试车辆的S1转到P2位置，至少保证一个设置车间电源的车辆的开关S1转到P2位置。
步骤503：其它车辆S1仍保持P1位，所有开关S2转到P3位。
步骤504：连接车间电源为列车供电，已供电的车辆获得高压电源投入工作。
步骤505：测试完成后所有开关S1恢复P1位置。
实施例六：车辆出库驶入车场
步骤601：列车在库内停车；断开车间电源。
步骤602：首先检查所有车辆的开关S2拨至P3位，(1，2，3号)车开关S1拨至P1位，6车的S1从P1位拨至P2位，根据车辆牵引能力，可将(4，5)中的1个，或者2个S1拨至P2位。
步骤603：连接6号车车间电源，列车通过车间库用电源供电。
步骤604：将列车从车场线移车出库时，如图4所示，列车在停车点2停车，该位置保证：
A.至少1号车接触三轨。
B.车库人员调动主开关位置时尽可能远离三轨。
C.带滑触线的车间电源插头不至于拉的过紧。
D.K1位于介于三轨和车库中间的无电区。
步骤605：车库人员拔下车间电源插头，手动将仍在车库内的后三节车(4，5，6号车)的S1从P2位拨至P1位，列车通过三轨受电。
步骤606：列车从第三轨受流，即可进行正常行车操作。当车辆离开车场后，司机操作开关，复位接触器K1。
优选地，当高压母线上只设置有一个接触器K1时，所述接触器K1设置在所述高压母线的中间位置。
优选地，当列车的车厢个数大于第一阈值且小于第二阈值时，所述高压母线上均匀设置有两个接触器K1。
其中，所述第一阈值为8，第二阈值为14。
优选地，当列车的车厢个数大于第二阈值时，所述高压母线上均匀设置有三个接触器K1。下面表1示出了各种编组列车K1位置的设置参考。
表1各种编组列车K1的设置位置参考
Figure PCTCN2015093213-appb-000001
表1中“打叉”所对应的车号为接触器K1的设置位置。
进一步地，所述车间电源设置在列车两端。
进一步地，在实际电路设置时，需要考虑以下几点：接触器K1由司机在司机室控制断开和闭合；K1尽可能设置在列车中央；列车进库和出库的停车点保证K1必须位于介于三轨和车库中间的无电区；车间电源尽可能布置在列车两端；车库人员调动主开关位置时尽可能远离三轨；车头安装的车间电源插座能够接触到带滑触线的车间电源插头。
本发明所述电路，可以实现多种编组的列车库内安全移车，根据实际位置选择K1布置位置和停车点。K1的位置可以根据现场断电区的长度，以及编组情况调整位置或数量。
本发明所述电路综合考虑了安全性，解决了车辆由三轨供电到库用电源供电的安全过渡问题。本发明电路结构简单，控制可靠，可以实现多种编组的列车库内安全移车，可实现多种断电区长度的库内移车。另外，该电路还可保证检修人员的安全，保证检修作业的安全可靠。
以上实施例仅用于说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (6)

  1. 一种三轨供电到库内供电安全过渡的高压电路，其特征在于，包括受流器、车间电源、高压母线、车间电源供电母线和主开关；
    所述受流器和主开关的个数均与车厢个数相同，所述车间电源的个数为两个以上；
    每个车厢中的受流器均与高压母线相连，为高压母线提供电源；
    每个车间电源均与车间电源供电母线相连，为车间电源供电母线提供电源；
    所述主开关为双刀双掷开关，主开关中开关S1可以掷向端点P1或P2，开关S2可以掷向端点P3或P4，每节车厢中的主开关的端点P1与所述高压母线相连，端点P2与所述车间电源供电母线相连，端点P3与牵引用电端或辅助电源用电端相连，端点P4接地；
    所述高压母线上设置有一个接触器K1。
  2. 根据权利要求1所述的电路，其特征在于，所述接触器K1设置在所述高压母线的中间位置。
  3. 根据权利要求1所述的电路，其特征在于，当列车的车厢个数大于第一阈值且小于第二阈值时，所述高压母线上均匀设置有两个接触器K1。
  4. 根据权利要求3所述的电路，其特征在于，所述第一阈值为8，第二阈值为14。
  5. 根据权利要求4所述的电路，其特征在于，当列车的车厢个数大于第二阈值时，所述高压母线上均匀设置有三个接触器K1。
  6. 根据权利要求1～5任一所述的电路，其特征在于，所述车间电源设置在列车两端。
PCT/CN2015/093213 2014-11-27 2015-10-29 三轨供电到库内供电安全过渡的高压电路 WO2016082650A1 (zh)

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