WO2022082895A1 - 一种轨道车辆辅助逆变器双联启动控制电路 - Google Patents

一种轨道车辆辅助逆变器双联启动控制电路 Download PDF

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Publication number
WO2022082895A1
WO2022082895A1 PCT/CN2020/128074 CN2020128074W WO2022082895A1 WO 2022082895 A1 WO2022082895 A1 WO 2022082895A1 CN 2020128074 W CN2020128074 W CN 2020128074W WO 2022082895 A1 WO2022082895 A1 WO 2022082895A1
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Prior art keywords
aps
apssr1
apsor1
stop
auxiliary inverter
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PCT/CN2020/128074
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English (en)
French (fr)
Inventor
石彩霞
杨丽
丁贺敏
施晓芳
蒋玉虎
葛莲
江巧逢
Original Assignee
中车南京浦镇车辆有限公司
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Application filed by 中车南京浦镇车辆有限公司 filed Critical 中车南京浦镇车辆有限公司
Priority to US17/436,660 priority Critical patent/US11770077B2/en
Publication of WO2022082895A1 publication Critical patent/WO2022082895A1/zh

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Classifications

    • 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
    • B60L9/00—Electric propulsion with power supply external to the vehicle
    • B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
    • B60L9/18—Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/12—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5375—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with special starting equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters

Definitions

  • the invention relates to a starting control circuit of an auxiliary inverter of a rail vehicle, in particular to a dual circuit capable of controlling the starting and stopping of an auxiliary inverter of a rail vehicle at the driver's cab at both ends, belonging to the field of rail transit electrical system control.
  • the auxiliary inverter provides AC380V, AC220V, DC110V, DC24V power supply for the on-board equipment, and plays a key role in the operation of rail vehicles.
  • the start and stop of the auxiliary inverter is particularly important. In the start-up design of the auxiliary inverter, it is automatically started when the conditions are met, and there is no external circuit to control its start and stop.
  • Auxiliary inverter dual start control means that after one end of the cab starts two auxiliary inverters, either end of the cab can stop and start the two auxiliary inverters.
  • the auxiliary inverter will start automatically when the following conditions are met: 1) There is no fault in the self-check; 2) There is high voltage; 3) The DC110V control power supply is powered.
  • the workshop power supply adopts trolley line, the main line adopts the third rail to receive current, and the trolley line is used to guide the train when the train enters and leaves the maintenance warehouse.
  • the trolley line is used to guide the train when the train enters and leaves the maintenance warehouse.
  • the purpose of the present invention is mainly to provide a dual-start control circuit for auxiliary inverters of rail vehicles, aiming at the above-mentioned problems of the prior art.
  • the invention provides a rail vehicle auxiliary inverter dual start control circuit, which is characterized in that it includes two units respectively located in the front and rear cabs, an APS start train line and an APS stop train line running through the entire vehicle, Each unit includes an auxiliary inverter start switch, an APS start relay and an APS stop relay.
  • the auxiliary inverter start switch is a self-resetting three-position rotary switch with an open position contact and a closed position contact.
  • the open position The contact and the APS start relay are connected in series to the train power supply, the closed position contact and the APS stop relay are connected in series to the train power supply, and the end of the APS start train line is connected to the train through the input end of the APS start relay and after the load.
  • the negative pole of the power supply is connected, and the end of the APS stop train line is connected to the line between the closed contact of the auxiliary inverter start switch and the APS stop relay; the normally open contact of the APS start relay and the normally closed contact of the APS stop relay
  • the point is connected in series between the positive pole of the train power supply and the APS starting train line, and the starting signal interface of the auxiliary inverter is connected to the APS starting train line.
  • the present invention also claims to protect a rail vehicle, which is characterized by comprising the above-mentioned rail vehicle auxiliary inverter dual start control circuit.
  • the auxiliary inverter double-start control circuit provided by the present invention can stop and start two APSs at either end of the cab after starting two APSs in one end of the cab.
  • the whole vehicle is equipped with a DC110V auxiliary inverter to start and control the train line, and a start-stop switch is set at both ends of the driver's cab, and the APS START (auxiliary inverter start) signal is sent to the auxiliary inverter through a hard wire.
  • FIG. 1 is a schematic diagram of a pantograph enabling circuit of the present invention.
  • the dual start control circuit of the auxiliary inverter of the rail vehicle includes two units respectively arranged in the front and rear cabs (TC cars), the APS start train line TL1 and the APS stop train line TL2 that run through the entire train. .
  • Each unit includes auxiliary inverter start switch APSS, APS start relay APSSR1 and APS stop relay APSOR1.
  • Auxiliary inverter start switch APSS is a self-resetting three-position rotary switch, whether it is turned to the "on” position (1:30) or The “off” position (10:30) will automatically reset to the 0 position. This switch is installed on the driver's desk at both ends.
  • the "on" position wiring points are 13 and 14, and the "off” position wiring points are 23 and 24.
  • the open contacts 13, 14 and the APS start relay APSSR1 are connected in series with the train power supply, and the closed contacts 23, 24 and the APS stop relay APSOR1 are connected in series with the train power supply.
  • the end of the APS start train line TL1 is connected to the negative pole of the train power supply through the input end of the APS start relay APSSR1 and the indicator light L1, and the end of the APS stop train line TL2 is connected to the closed position contact of the auxiliary inverter start switch APSS On the line between 23,24 and the APS stop relay APSOR1.
  • the normally open contacts APSSR1-1 and APSSR1-2 of the APS start relay APSSR1 and the normally closed contacts APSOR1-1 and APSOR1-2 of the APS stop relay APSOR1 are connected in series between the positive pole of the train power supply and the APS start train line TL1.
  • the start signal interface APS START of the inverter APS is connected to the APS start train line TL1.
  • the normally open contacts APSSR1-1 and APSSR1-2 of the APS start relay APSSR1 connected in series and the normally closed contacts APSOR1-1 and APSOR1-2 of the APS stop relay APSOR1 constitute a self-locking circuit. Double-contact parallel redundant control is adopted.
  • APS start-stop control circuit breaker APSSCB is connected in series between the positive pole of the train power supply and the auxiliary inverter start switch APSS, and between the positive pole of the train power supply and the normally open contacts APSSR1-1 and APSSR1-2 of the APS start relay APSSR1.
  • the APS start relay APSSR1 has normally open contacts APSSR1-3 connected to the positive pole of the train power supply and the network monitoring module at both ends
  • the APS stop relay APSOR1 has normally closed contacts connected to the positive pole of the train power supply and the network monitoring module at both ends.
  • APSOR1-3, APS start-stop control circuit breaker APSSCB has an auxiliary contact APSSCB-1 of the APS start-stop control circuit breaker whose two ends are respectively connected to the positive pole of the train power supply and the network monitoring module.
  • the APS start-up train line TL1 is energized, the APS start-up relays APSSR1 at both ends of the vehicle are energized, and the corresponding normally open auxiliary contacts APSSR1-1, APSSR1 are energized.
  • -2 is closed, the APS stop relay APSOR1 will not be energized, its corresponding normally closed auxiliary contacts APSOR1-1 and APSOR1-2 will remain closed, the APS start train line TL1 will remain energized, and the driver's desk indicator light L1 will continue to light up.
  • the line sends the APS starting train line signal to the auxiliary inverter APS, and the auxiliary inverter APS receives the APS START starting signal and executes the starting procedure.
  • the start conditions are:
  • APS START auxiliary inverter start
  • auxiliary inverter start signal (APS START) is high level 1, and it will not start when it is low level 0;
  • the normally open contact state signal of the APSSR1 relay is sent to the network through hard wires for state monitoring.
  • the start-stop switch APSS of the auxiliary inverter at either end is turned to the "off" position, the APS stop train line TL2 is energized, and the APS stop relay APSOR1 of the driver's cab at both ends is energized, and its corresponding The normally closed auxiliary contacts APSOR1-1 and APSOR1-2 are disconnected, the APS start train line TL1 is de-energized, the APS START signal is de-energized, the auxiliary inverter APS stops running, and the driver's desk indicator light L1 goes out.
  • the normally open auxiliary contact status signal of the APSOR1 relay is sent to the network through hard wires for status monitoring.
  • This auxiliary inverter dual start control circuit can control the start and stop of the auxiliary inverters at both ends in the driver's cab at both ends. It has strong versatility and can be used in different rail vehicle projects.

Abstract

一种轨道车辆辅助逆变器双联启动控制电路，辅助逆变器的启动条件中增加辅助逆变器启动（APS START）信号。当启停开关打到"开"位时，APS启动列车线有电，两端司机室APS启动继电器APSSR得电，其相应的常开触点闭合，自锁电路持续得电，APS启动列车线持续得电，硬线将启动信号送至辅助逆变器；当其打到"关"位时，APS停止列车线有电，两端司机室APS停止继电器APSOR得电，其相应的常闭触点断开，APS启动列车线失电，APS停止运行。自锁控制电路采用双触点并联控制。

Description

一种轨道车辆辅助逆变器双联启动控制电路 技术领域
本发明涉及轨道车辆辅助逆变器启动控制电路，特别是一种能够在两端司机室对轨道车辆辅助逆变器的启停进行控制的双联电路，属于轨道交通电气系统控制领域。
 背景技术
辅助逆变器为车载设备提供AC380V, AC220V, DC110V,DC24V供电,在轨道车辆运营中起着关键作用，辅助逆变器的启动与停止尤为重要。在辅助逆变器的启动设计中，都是满足条件自动启动，不设外部电路对其启动和停止做控制。
辅助逆变器双联启动控制，是指一端司机室启动两台辅助逆变器后，任意一端司机室可以停止和启动两台辅助逆变器。
辅助逆变器满足以下条件时自动启动：1）自检无故障发生；2）存在高压；3）DC110V控制电源有电。
现有方案在列车运营中司机无法对辅助逆变器的启停进行控制，在一些项目在特殊场合对辅助逆变器的启停需要进行单独控制时无法实现，例如某轨道交通车辆检修库内车间电源采用滑触线，正线采用第三轨受流，在列车出入检修库的过程中使用滑触线引车，此引车过程中需要在两端司机室控制辅助逆变器的启停，因此需要一种控制电路能够方便的在两端司机室对两端辅助逆变器的启停进行控制。
 技术问题
本发明的目的主要是针对上述现有技术的问题，提供一种轨道车辆辅助逆变器双联启动控制电路。
 技术解决方案
为了解决以上技术问题，本发明提供的轨道车辆辅助逆变器双联启动控制电路，其特征在于包含分设于前后司机室的两个单元、贯穿整列车辆的APS启动列车线和APS停止列车线，每个单元包含辅助逆变器启动开关、APS启动继电器和APS停止继电器，所述辅助逆变器启动开关为自复位三位置旋钮开关，具有开位触点和关位触点，所述开位触点和APS启动继电器串联接入列车电源，所述关位触点和APS停止继电器串联接入列车电源，所述APS启动列车线的端部经APS启动继电器的输入端后和负载后与列车电源负极相连，APS停止列车线的端部连接于辅助逆变器启动开关的关位触点和APS停止继电器之间的线路上；APS启动继电器的常开触点和APS停止继电器的常闭触点串联后接于列车电源正极和APS启动列车线之间，辅助逆变器的启动信号接口连接所述APS启动列车线。
此外，本发明还要求保护一种轨道车辆，其特征在于：包含上述的轨道车辆辅助逆变器双联启动控制电路。
 有益效果
本发明有益效果如下：本发明提供的辅助逆变器双联启动控制电路，当一端司机室启动两台APS后，在任意一端司机室都可以停止与启动两台APS。整车设置DC110V辅助逆变器启动控制列车线，在两端司机室设置启停开关，通过硬线将APS START（辅助逆变器启动）信号送至辅助逆变器。
 附图说明
图1为本发明的受电弓使能电路原理图。
 本发明的最佳实施方式
下面结合附图对本发明的实施方式做解释说明。
如图1所示，本发明轨道车辆辅助逆变器双联启动控制电路，包含分设于前后司机室（TC车）的两个单元、贯穿整列车辆的APS启动列车线TL1和APS停止列车线TL2。
每个单元包含辅助逆变器启动开关APSS、APS启动继电器APSSR1和APS停止继电器APSOR1，辅助逆变器启动开关APSS为自复位三位置旋钮开关，无论打到“开”位（1点半）或者“关”位（10点半），都会自复位到0位，此开关安装在两端司机台,“开”位接线点位为13、14，“关”位接线点位为23、24。
开位触点13,14和APS启动继电器APSSR1串联接入列车电源，关位触点23,24和APS停止继电器APSOR1串联接入列车电源。APS启动列车线TL1的端部经APS启动继电器APSSR1的输入端后和指示灯L1后与列车电源负极相连，APS停止列车线TL2的端部连接于辅助逆变器启动开关APSS的关位触点23,24和APS停止继电器APSOR1之间的线路上。APS启动继电器APSSR1的常开触点APSSR1-1、APSSR1-2和APS停止继电器APSOR1的常闭触点APSOR1-1、APSOR1-2串联后接于列车电源正极和APS启动列车线TL1之间，辅助逆变器APS的启动信号接口APS START连接所述APS启动列车线TL1。如图1所示，串联的APS启动继电器APSSR1的常开触点APSSR1-1、APSSR1-2和APS停止继电器APSOR1的常闭触点APSOR1-1、APSOR1-2构成自锁电路，该自锁电路采用双触点并联冗余控制。列车电源正极与辅助逆变器启动开关APSS之间、列车电源正极与APS启动继电器APSSR1的常开触点APSSR1-1、APSSR1-2之间串联有APS启停控制断路器APSSCB。
本实施例中，还具有网络监控模块，用于监测APS启动继电器APSSR1、APS停止继电器APSOR1的状态和APS启停控制断路器APSSCB。具体来说，APS启动继电器APSSR1具有两端分别接列车电源正极和网络监控模块的常开触点APSSR1-3，APS停止继电器APSOR1具有两端分别接列车电源正极和网络监控模块的常闭触点APSOR1-3，APS启停控制断路器APSSCB具有两端分别接列车电源正极和网络监控模块的APS启停控制断路器辅助触点APSSCB-1。
当本侧辅助逆变器启停开关 APSS打到“开”位时，APS启动列车线TL1得电，车辆两端的APS启动继电器APSSR1均得电，相应的常开辅助触点APSSR1-1、APSSR1-2闭合，APS停止继电器APSOR1不得电，其相应的常闭辅助触点APSOR1-1、APSOR1-2保持闭合，APS启动列车线TL1保持得电，司机台指示灯L1持续点亮，同时通过硬线将此APS启动列车线信号送至辅助逆变器APS,辅助逆变器APS收到APS START启动信号，执行启动程序。
辅助逆变器的启动条件和过程如下：
启动条件为：
1）无故障发生；
2）输入电压高于DC950V；
3）DC110V控制电源有电；
4）APS START（辅助逆变器启动）信号为高电平1。
具体启动程序为：
1）接通控制电源电路，为辅助逆变器供给DC110V控制电源；
2）3秒时间初始化中央控制单元，完成系统自检且无故障；
3）检测到辅助逆变器启动信号（APS START）为高电平1，低电平0时不启动；
4）闭合接触器KM2预充电，当电容器端电压达到DC1000V后，延时1s，闭合KM1，预充电完成；
5）KM1闭合后，延时1s后断开KM2；延时3s后APS启动。
APSSR1继电器的常开触点状态信号通过硬线送给网络，进行状态监视。
辅助逆变器需要停止运行时，任意一端的辅助逆变器启停开关APSS打到“关”位，APS停止列车线TL2得电，两端司机室的APS停止继电器APSOR1得电，其相应的常闭辅助触点APSOR1-1、APSOR1-2断开，APS启动列车线TL1失电，APS START信号失电，辅助逆变器APS停止运行，司机台指示灯L1熄灭。
APSOR1继电器的常开辅助触点状态信号通过硬线送至网络，进行状态监视。
此辅助逆变器双联启动控制电路可以对两端辅助逆变器启停在两端司机室控制，通用性强，不同轨道车辆项目均可使用，将在未来轨道交通车辆平台广泛使用。
除上述实施例外，本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围。

Claims (10)

  1. 一种轨道车辆辅助逆变器双联启动控制电路，其特征在于包含分设于前后司机室的两个单元、贯穿整列车辆的APS启动列车线（TL1）和APS停止列车线（TL2），每个单元包含辅助逆变器启动开关（APSS）、APS启动继电器（APSSR1）和APS停止继电器（APSOR1），所述辅助逆变器启动开关（APSS）为自复位三位置旋钮开关，具有开位触点（13,14）和关位触点（23,24），所述开位触点（13,14）和APS启动继电器（APSSR1）串联接入列车电源，所述关位触点（23,24）和APS停止继电器（APSOR1）串联接入列车电源，所述APS启动列车线（TL1）的端部经APS启动继电器（APSSR1）的输入端后和负载后与列车电源负极相连，APS停止列车线（TL2）的端部连接于辅助逆变器启动开关（APSS）的关位触点（23,24）和APS停止继电器（APSOR1）之间的线路上；APS启动继电器（APSSR1）的常开触点（APSSR1-1、APSSR1-2）和APS停止继电器（APSOR1）的常闭触点(APSOR1-1、APSOR1-2)串联后接于列车电源正极和APS启动列车线（TL1）之间，辅助逆变器（APS）的启动信号接口（APS START）连接所述APS启动列车线（TL1）。
  2. 根据权利要求1所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：所述负载为指示灯（L1）。
  3. 根据权利要求1所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：所述列车电源正极与辅助逆变器启动开关（APSS）、列车电源正极与APS启动继电器（APSSR1）的常开触点（APSSR1-1、APSSR1-2）之间串联有APS启停控制断路器（APSSCB）。
  4. 根据权利要求3所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：还具有网络监控模块，用于监测APS启动继电器（APSSR1）和APS停止继电器（APSOR1）的状态。
  5. 根据权利要求4所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：所述网络监控模块还用于监测APS启停控制断路器（APSSCB）的状态。
  6. 根据权利要求5所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：APS启动继电器（APSSR1）具有两端分别接列车电源正极和网络监控模块的常开触点（APSSR1-3），APS停止继电器（APSOR1）具有两端分别接列车电源正极和网络监控模块的常闭触点（APSOR1-3），APS启停控制断路器（APSSCB）具有两端分别接列车电源正极和网络监控模块的APS启停控制断路器辅助触点（APSSCB-1）。
  7. 根据权利要求6所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：当本侧辅助逆变器启停开关 (APSS)打到“开”位时，APS启动列车线（TL1）得电，车辆两端的APS启动继电器（APSSR1）均得电，相应的常开辅助触点（APSSR1-1、APSSR1-2）闭合，APS停止继电器 (APSOR1)不得电，其相应的常闭辅助触点（APSOR1-1、APSOR1-2）保持闭合，APS启动列车线（TL1）保持得电，司机台指示灯（L1）持续点亮，同时通过硬线将此APS启动列车线信号送至辅助逆变器（APS）,辅助逆变器（APS）收到APS START启动信号，执行启动程序。
  8. 根据权利要求7所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：辅助逆变器需要停止运行时，任意一端的辅助逆变器启停开关（APSS）打到“关”位，APS停止列车线（TL2）得电，两端司机室的APS停止继电器 (APSOR1)得电，其相应的常闭辅助触点（APSOR1-1、APSOR1-2）断开，APS启动列车线（TL1）失电，APS START信号失电，辅助逆变器（APS）停止运行，司机台指示灯（L1）熄灭。
  9. 根据权利要求1所述的轨道车辆辅助逆变器双联启动控制电路，其特征在于：串联的APS启动继电器（APSSR1）的常开触点（APSSR1-1、APSSR1-2）和APS停止继电器（APSOR1）的常闭触点(APSOR1-1、APSOR1-2)构成自锁电路，该自锁电路采用双触点并联冗余控制。
  10. 一种轨道车辆，其特征在于：包含权利要求1-9任一项所述的轨道车辆辅助逆变器双联启动控制电路。
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