WO2018045631A1 - 内燃机车牵引变流柜调试系统 - Google Patents

内燃机车牵引变流柜调试系统 Download PDF

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Publication number
WO2018045631A1
WO2018045631A1 PCT/CN2016/105663 CN2016105663W WO2018045631A1 WO 2018045631 A1 WO2018045631 A1 WO 2018045631A1 CN 2016105663 W CN2016105663 W CN 2016105663W WO 2018045631 A1 WO2018045631 A1 WO 2018045631A1
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WIPO (PCT)
Prior art keywords
traction
motor
test
converter
console
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PCT/CN2016/105663
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English (en)
French (fr)
Inventor
张广远
曲强
吴志友
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中车大连电力牵引研发中心有限公司
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Publication of WO2018045631A1 publication Critical patent/WO2018045631A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring

Definitions

  • the invention relates to the field of diesel locomotive control, in particular to a diesel engine traction control cabinet debugging system.
  • the traction converter cabinet In order to ensure the normal operation of the diesel locomotive, the traction converter cabinet needs to be debugged before the diesel locomotive is used.
  • the traction converter cabinet of the diesel locomotive is debugged by constructing a ground platform, which is similar to a ground-operated vehicle, except that the components on the diesel locomotive are placed on the ground in order for the test.
  • a ground platform which is similar to a ground-operated vehicle, except that the components on the diesel locomotive are placed on the ground in order for the test.
  • the traction converter cabinet includes a traction control unit and an auxiliary control unit; the diesel engine drives the generator to operate, the three-phase alternating current generated by the generator is input into the traction converter cabinet, and the three-phase alternating current passes through the rectification and reversal in the traction converter cabinet.
  • part of the energy is controlled by the traction control unit to control the traction motor, and the other part of the energy is controlled by the auxiliary control unit to control the resistance or fan of the external equipment (such as generator cooling fan, traction motor cooling fan, traction converter cabinet).
  • the operation of the cooling water pump, charger or control system power supply, etc., is carried out for load test.
  • the invention provides a debugging system for a traction converter of a diesel locomotive, which is used for solving the complicated problem of the debugging system of the traction converter cabinet of the diesel locomotive in the prior art.
  • the invention provides a debugging system for a traction converter of a diesel locomotive, comprising a debugging equipment subsystem;
  • the debug device subsystem includes:
  • a first frequency converter a first pilot motor, a main generator, an excitation control system, a traction converter cabinet, a traction motor, a second test motor, and at least one load;
  • the traction converter cabinet comprises: Flow and inverter unit, traction control unit and auxiliary control unit;
  • the first frequency converter is configured to frequency-transform three-phase alternating current of the power grid to be sent to the first trial motor, and drag the main generator to rotate, the main generator runs, and the main generator passes the excitation control system
  • the power supply to the traction converter cabinet, the rectification and inverter unit of the traction converter cabinet is used for rectifying and inverting the three-phase alternating current provided by the main generator, and rectifying and inverting a part
  • the processed electric energy is supplied to the traction control unit to control the operation of the traction motor or the second trial motor, and another portion of the rectified and inverter processed electric energy is supplied to the auxiliary control unit to control the at least one load. run.
  • the debugging equipment subsystem further includes: a second frequency converter
  • the diesel engine traction converter cabinet debugging system further includes: a console;
  • the console is in communication with the debug device subsystem described above; the console is used to control the debug device subsystem through a communication connection.
  • the console is also provided with a debug detection device interface, and the test detection device interface is used to connect the debug detection device.
  • the console also includes a stop or start button for the debug device subsystem.
  • the console and the debug device subsystem are connected by hardwired communication.
  • the console communicates with the debug device subsystem via a network.
  • the first frequency converter is a straight-through uncontrolled rectifier inverter.
  • the second frequency converter is an AC-DC converter with four quadrant inverters.
  • the invention provides a debugging system for a traction converter of a diesel locomotive.
  • the first frequency converter converts the three-phase alternating current of the power grid into a first accompanying test motor, and drives the main generator to rotate, and the main generator rotates. Operation, and then the main generator supplies power to the traction converter through the action of the excitation control system.
  • the three-phase AC is rectified and rectified by the rectification and inverter unit of the traction converter, a part of the electric energy is supplied to the traction control unit to control the traction motor.
  • the operation of the second test motor another portion of the electrical energy is provided to the auxiliary control unit to control the operation of the at least one load.
  • the main generator can be rotated to replace the diesel engine as an energy source.
  • the debugging system of the traction converter of the diesel locomotive is changed from an electromechanical hybrid system to an electrical system, thereby reducing the complexity of the system.
  • FIG. 1 is a schematic diagram of a traction motor traction characteristic debugging test of a traction motor of a diesel locomotive according to an embodiment of the present invention; a test flow of a corresponding resistance and fan load test; and an energy flow direction during the test;
  • FIG. 2 is a debugging test of the traction characteristic of the traction motor of the diesel locomotive traction converter cabinet according to the present invention; a test procedure of the corresponding resistance and fan load test; and an energy flow direction during the test;
  • FIG. 3 is another embodiment of the debugging test of the second embodiment of the diesel engine traction control cabinet debugging system of the present invention. and a schematic diagram of energy flow during the test;
  • FIG. 4 is a structural schematic view of a control embodiment of a console to a debugging equipment subsystem in a third embodiment of a debugging test of a traction converter cabinet of a diesel locomotive according to the present invention.
  • the three-phase alternating current of the power grid is frequency-converted by the frequency converter, and then the main generator is rotated by the first accompanying test motor, and the main generator can be used as the energy source for the debugging test of the traction converter of the diesel locomotive under the action of the excitation control system.
  • the diesel engine traction converter cabinet debugging system is changed from electromechanical hybrid system to electric system, which not only simplifies the whole diesel locomotive traction converter cabinet debugging system, but also the all-electric diesel locomotive traction converter cabinet debugging system is beneficial to the console. The control is realized, thereby improving the maneuverability of the entire diesel locomotive traction converter cabinet debugging system.
  • FIG. 1 and 2 are schematic views of a first embodiment of a debugging system for a traction converter of a diesel locomotive according to the present invention.
  • a debugging system for a traction converter of a diesel locomotive includes:
  • the debug device subsystem, the debug device subsystem includes:
  • a first frequency converter a first pilot motor, a main generator, an excitation control system, a traction converter cabinet, a traction motor, a second test motor, and at least one load;
  • the traction converter cabinet comprises: a rectification and an inverter unit , traction control unit and auxiliary control unit;
  • the load may be a brake resistor cabinet and/or a fan system;
  • the fan system includes: a generator cooling fan, a traction motor cooling fan, and a test motor cooling fan;
  • the inverter can be a straight-through uncontrolled rectifier inverter.
  • the first test motor is used to drive the rotation of the main generator; the second test motor is used to complete the debugging test of the traction converter of the internal combustion engine with the traction motor.
  • the first test motor is coaxially connected with the main generator; the second test motor is coaxially connected with the traction motor.
  • the traction converter test commissioning test may be a traction motor traction characteristic debugging test of the traction control unit and a corresponding load test of the auxiliary control unit.
  • the test flow and the energy flow during the test as shown in Figure 1:
  • the three-phase AC power of the power grid enters the first companion test motor after being frequency-converted by the first frequency converter, and the main generator is driven by the first companion test motor, wherein the first frequency converter and the first test motor respectively perform frequency conversion and Drag the main generator to rotate.
  • the main generator sends the electric energy with the output characteristics into the traction converter cabinet system.
  • a part of the electric energy enters the traction control unit of the traction converter cabinet.
  • the traction motor is in the traction state
  • the second trial motor is in the braking state.
  • another part of the energy enters the auxiliary control unit of the traction converter cabinet, and the above load is controlled for the load test.
  • the diesel engine traction converter test commissioning test may also be a traction motor braking characteristic debugging test of the traction control unit and a corresponding load test of the auxiliary control unit. as shown in picture 2:
  • the excitation control system is used to control the normal output of the main generator.
  • the battery can be used to power the diesel engine traction converter cabinet debugging system.
  • the charger is used to convert high voltage electricity into a form of electrical energy available to the battery.
  • the test system since the first frequency converter replaces the diesel engine and is used in the traction converter converter debugging system of the diesel locomotive, the test system is changed from the electromechanical hybrid system to the electrical system, thereby reducing the complexity of the system.
  • FIG. 3 is a schematic view of a second embodiment of a debugging system for a traction converter of a diesel locomotive according to the present invention.
  • the second embodiment is based on the first embodiment.
  • the debugging equipment subsystem further includes: a second frequency converter; the second frequency converter is an AC orthogonal frequency converter with four quadrant inverters, and the frequency conversion with four quadrant functions The device can make the energy flow in both directions.
  • the bus voltage refers to the voltage on the line before entering the traction control unit and the auxiliary control unit in the traction converter cabinet.
  • the second frequency converter is connected between the power grid and the second test motor.
  • the role of the second frequency converter in the commissioning test of the traction converter of the diesel locomotive is as follows:
  • the second trial motor is in a braking state, energy is generated, and the second frequency converter is used to return the power generated by the second trial motor to the power grid; thereby saving Energy, the role of improving energy efficiency;
  • the second frequency converter is used to perform frequency conversion processing on the three-phase alternating current of the power grid, and then drag the second test motor to rotate, so that the second test motor is in a traction state; thereby avoiding The step of changing the position of the second companion motor and the traction motor during the braking characteristic test of the traction motor serves to simplify the test procedure; in addition, when the bus voltage is stabilized at the brake control setting value, the dotted line box in Fig. 3 The first frequency converter, main generator and excitation control system can stop working and further save the amount.
  • the brake resistor cabinet can be used to draw the residual energy bleed supply circuit of the traction control unit when the traction motor brake characteristic test is performed.
  • the charger can convert the remaining energy of the traction control unit into energy that can be stored by the battery.
  • the embodiment provides a test scheme for interposing the second frequency converter between the power grid and the second test motor, which can be used not only to convert the three-phase alternating current of the power grid, but also to rotate the second test motor to make the second
  • the test motor runs in the traction condition, which avoids the step of changing the position of the second test motor and the traction motor when the traction motor brake characteristic test is performed; and can also be used for the electric energy generated when the second test motor is braked. Feedback to the grid, but also improve the overall system equipment utilization, environmental protection and energy saving.
  • the brake varistor used for the load test and the residual energy bleed supply circuit of the traction control unit can be used as the traction control unit for the brake characteristic test, which embodies the advantages of making full use of the test equipment.
  • FIG. 4 is a schematic view showing a third embodiment of a debugging system for a traction converter of a diesel locomotive according to the present invention.
  • the control unit in Figure 4 includes a traction control unit and an auxiliary control unit.
  • the third embodiment is based on the embodiment shown in the first embodiment or the second embodiment, and further includes: a console. As shown in Figure 4:
  • the console includes a host computer
  • the upper computer is provided with a button for stopping or starting the control of the whole system, and can cut off the input and output of each device at any time to prevent the accidental dangerous situation from occurring, and the whole system can be stopped by this control to ensure safety protection. effect.
  • the upper computer can implement the contactor on/off operation; optionally, the upper computer can give a train control and management system (Train Control and Management System; TCMS) operation instruction, and control the TCMS to control the debugging equipment subsystem.
  • TCMS Train Control and Management System
  • the operation of the related equipment optionally, the upper computer can receive and monitor the data transmitted by the TCMS.
  • the console further includes a detection device monitoring area
  • the monitoring device monitoring area is provided with a monitoring interface of the site camera, and a monitoring camera is installed at a key part of the test area, so that the test personnel can debug and remotely monitor the running state of the device, so as to understand the test site in real time;
  • the detection equipment monitoring area is equipped with a debugging detection device interface, and the data signals of the detection devices such as an oscilloscope, a torque meter, a power analyzer, and a temperature inspection instrument are transmitted to the console to facilitate the debugging personnel to realize the recording of these data signals. , analysis and other functions.
  • the detection device monitoring area is further provided with a traction converter cabinet debug program downloading and monitoring interface.
  • the console is in communication with the debug device subsystem; the console is used to control the debug device subsystem through the communication connection.
  • the communication connection includes: a hardwire connection.
  • Devices connected by hard-wired connections can be as shown in Figure 4, and hard-wired connections are indicated by line arrows in the figure.
  • the hard wire connecting pin is mainly for the operation of high speed circuit breakers and AC/DC contactors, and is responsible for high voltage electrical input and output control and load release;
  • the communication connection further includes: a network connection mode.
  • Devices connected by hard-wired connections can be as shown in Figure 4, and hard-wired connections are indicated by hollow arrows in the figure.
  • MMB Multifunction Vehicle Bus
  • the console is implemented by the TCMS system (train control and management system) for equipment such as the grid power supply system, the first frequency converter, the second frequency converter, the fan system, the traction converter system, the charger, and the excitation control system.
  • Hard-wired control cut or cast by operating the control contactor Put the device into the system, perform interlock logic processing on the contactor and alarm error indication.
  • the console adjusts the device of the debugging device subsystem through a network communication connection; optionally, adjusting the speed of the first frequency converter and the second frequency converter through the serial port network; optionally, pulling through the Ethernet
  • the converter cabinet, charger and excitation control unit operate to provide an indication signal; optionally, key test data such as bus voltage, traction motor torque, current, speed and control power for operating the equipment of the above subsystems via a network communication connection Voltage, etc., and transmit the above test data to the console for analysis and monitoring of equipment and test data is normal.
  • the console provided in this embodiment controls, monitors, and displays and downloads data and graphs obtained during the operation of the debugging test of the traction converter of the diesel locomotive. From this embodiment, it can be seen that by using the frequency converter instead of the diesel engine, The debugging system of the traction converter of the diesel locomotive becomes an all-electric system.
  • the remote control station is built for the electrical system through hard wire and network transmission. The switching operation of different devices is controlled according to different test requirements, which improves the flexibility of the whole system. And safety and maneuverability of the entire system.

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  • Engineering & Computer Science (AREA)
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Abstract

一种内燃机车牵引变流柜调试系统，包括：调试设备子系统，所述调试设备子系统包括:第一变频器、主发电机、牵引变流柜、牵引电机、第二陪试电机和至少一个负载；其中，所述牵引变流柜包括：整流和逆变单元、牵引控制单元和辅助控制单元；所述第一变频器用于将电网的三相交流电进行变频处理后发送给第一陪试电机，拖动主发电机旋转，所述主发电机运行产生的三相交流电经过牵引变流柜内相应部件的转化后，用于进行内燃机车牵引变流柜调试试验。上述内燃机车牵引变流柜调试系统通过运用第一变频器代替柴油机运用在内燃机车牵引变流柜调试系统中，使得试验系统由机电混合系统变成电气系统，从而降低了系统的复杂程度。

Description

内燃机车牵引变流柜调试系统 技术领域
本发明涉及内燃机车控制领域，尤其涉及内燃机车牵引变流柜调试系统。
背景技术
为了保证内燃机车的正常运行，将牵引变流柜在内燃机车使用之前，需要对内燃机车的牵引变流柜进行调试。
现有技术中，通过搭建地面平台来对内燃机车的牵引变流柜进行调试，该地面平台类似于一个地面运行的车辆，只是将内燃机车上各部件按次序摆放在地面上来进行试验。包括：柴油机、发电机、牵引变流柜、牵引电机、发电机冷却风机、牵引电机冷却风机、牵引变流柜冷却水泵、充电机和控制系统供电等。其中，牵引变流柜中包括牵引控制单元和辅助控制单元；柴油机带动发电机运行，发电机发出的三相交流电输入到牵引变流柜中，三相交流电通过牵引变流柜内的整流和逆变单元后，一部分能量通过牵引控制单元控制牵引电机，进行电机特性试验，另一部分能量通过辅助控制单元控制外被设备的电阻或风机(如发电机冷却风机、牵引电机冷却风机、牵引变流柜冷却水泵、充电机或控制系统供电等)的运行，进行负载试验。
然而，现有的内燃机车牵引变流柜的调试系统复杂。
发明内容
本发明提供了一种内燃机车牵引变流柜调试系统，用以解决现有技术中内燃机车牵引变流柜的调试系统复杂的问题。
本发明提供了一种内燃机车牵引变流柜调试系统，包括调试设备子系统；
所述调试设备子系统包括:
第一变频器、第一陪试电机、主发电机、励磁控制系统、牵引变流柜、牵引电机、第二陪试电机和至少一个负载；其中，所述牵引变流柜包括：整 流和逆变单元、牵引控制单元和辅助控制单元；
所述第一变频器用于将电网的三相交流电进行变频处理后发送给第一陪试电机，拖动主发电机旋转，所述主发电机运行，所述主发电机通过所述励磁控制系统的作用向所述牵引变流柜供电，所述牵引变流柜的整流和逆变单元用于对所述主发电机提供的三相交流电进行整流和逆变处理，并将一部分整流和逆变处理后的电能提供给所述牵引控制单元控制所述牵引电机或第二陪试电机的运行，将另一部分整流和逆变处理后的电能提供给所述辅助控制单元控制所述至少一个负载的运行。
调试设备子系统还包括：第二变频器；
内燃机车牵引变流柜调试系统，还包括：控制台；
控制台与上述调试设备子系统通信连接；控制台用于通过通信连接控制调试设备子系统。
控制台还设置有调试检测设备接口，试检测设备接口用于连接调试检测设备。
控制台还包括调试设备子系统的停止或启动按钮。
控制台与调试设备子系统通过硬线方式通信连接。
控制台与调试设备子系统通过网络方式通信连接。
第一变频器为直交不控整流变频器。
第二变频器为含四象限逆变的交直交型变频器。
本发明提供的一种内燃机车牵引变流柜调试系统，通过第一变频器将电网的三相交流电进行变频处理后发送给第一陪试电机，拖动主发电机旋转，所述主发电机运行，进而主发电机通过励磁控制系统的作用向牵引变流柜供电，三相交流电经过牵引变流柜的整流和逆变单元整流和逆变处理后，一部分电能提供给牵引控制单元控制牵引电机或第二陪试电机的运行，另一部分电能提供给辅助控制单元控制至少一个负载的运行。
由于第一变频器把电网中的三相交流电变频后经过第一陪试电机可以拖动主发电机旋转，替代了柴油机作为能量来源。使得内燃机车牵引变流柜的调试系统由机电混合系统变成电气系统，从而降低了系统的复杂程度。
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，下面描述中的附图仅仅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性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明内燃机车牵引变流柜调试系统实施例一牵引电机牵引特性调试试验和对应的电阻、风机负载试验的试验流程以及试验过程中的能量流向；
图2为本发明内燃机车牵引变流柜调试系统实施例一牵引电机制动特性调试试验和对应的电阻、风机负载试验的试验流程以及试验过程中的能量流向；
图3为本发明内燃机车牵引变流柜调试系统实施例二调试试验的另外一种实施方式以及试验过程中能量流动示意图；
图4为本发明在内燃机车牵引变流柜调试系统实施例三调试试验过程中控制台对调试设备子系统的控制实施例结构示意图。
具体实施方式
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、完整地描述，显然，所描述的实施例仅仅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做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。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本发明的实施例例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可 包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
利用变频器将电网的三相交流电进行变频处理后经过第一陪试电机拖动主发电机旋转，主发电机在励磁控制系统的作用下可作为内燃机车牵引变流柜调试试验的能量来源，使得内燃机车牵引变流柜调试系统由机电混合系统变成电气系统，不仅对整个内燃机车牵引变流柜调试系统起到简化作用，而且全电气的内燃机车牵引变流柜调试系统有利于操作台实现控制，从而提高了整个内燃机车牵引变流柜调试系统的可操控性。
下面以具体地实施例对本发明的技术方案进行详细说明。下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例不再赘述。
实施例一
图1、图2为本发明内燃机车牵引变流柜调试系统实施例一的示意图。
如图1所示：本发明提供的一种内燃机车牵引变流柜调试系统，该系统包括：
调试设备子系统，调试设备子系统包括:
第一变频器、第一陪试电机、主发电机、励磁控制系统、牵引变流柜、牵引电机、第二陪试电机和至少一个负载；其中，牵引变流柜包括：整流和逆变单元、牵引控制单元和辅助控制单元；
具体的，本实施例本实施例以及以下实施例中：负载可以为制动电阻柜和/或风机系统；风机系统包括：发电机冷却风机、牵引电机冷却风机和陪试电机冷却风机；第一变频器可以为直交不控整流变频器。
具体的，第一陪试电机用于拖动主发电机的旋转；第二陪试电机用于配合牵引电机完成内燃机牵引变流柜调试试验。并且，第一陪试电机与主发电机同轴连接；第二陪试电机与牵引电机同轴连接。
可选的，牵引变流柜调试试验可以为牵引控制单元的牵引电机牵引特性调试试验和对应的辅助控制单元的负载试验。试验流程以及试验过程中的能量流向，具体如图1所示：
电网的三相交流电通过第一变频器变频后进入第一陪试电机并由第一陪试电机拖动主发电机运行，其中，第一变频器和第一陪试电机分别起到变频作用和拖动主发电机旋转的作用。在励磁控制系统的作用下，主发电机将带有输出特性的电能送入牵引变流柜系统，先经过整流和逆变单元整流逆变作用后，一部分电能进入牵引变流柜的牵引控制单元拖动牵引电机运行。此时，牵引电机处于牵引状态，第二陪试电机处于制动状态。与此同时，另一部分能量进入牵引变流柜的辅助控制单元，控制上述负载进行负载试验。
可选的，内燃机车牵引变流柜调试试验还可以为牵引控制单元的牵引电机制动特性调试试验和对应的辅助控制单元的负载试验。如图2所示：
经过牵引变流柜的整流和逆变单元后的电能一部分进入牵引控制单元拖动第二陪试电机运行，此时牵引电机处于制动状态。与此同时，另一部分能量进入牵引变流柜的辅助控制单元，控制上述负载进行负载试验。
可选的，励磁控制系统用于控制主发电机的正常输出。
可选的，蓄电池可用于给内燃机车牵引变流柜调试系统供电。
可选的，充电机用于将高压电转换为蓄电池可利用的电能形式。
本实施例中，由于第一变频器代替柴油机运用在内燃机车牵引变流柜调试系统中，使得试验系统由机电混合系统变成电气系统，从而降低了系统的复杂程度。
实施例二
图3为本发明内燃机车牵引变流柜调试系统实施例二的示意图。
实施例二是在实施例一的基础上，进一步地，调试设备子系统还包括：第二变频器；第二变频器为含四象限逆变的交直交型变频器，带四象限功能的变频器可以使能量双向流动。
其中，在图3中，实线箭头代表牵引电机牵引特性试验时能量流动，虚线箭头代表牵引电机制动特性试验时能量流动。
具体的，本实施例以及以下实施例中：母线电压是指在牵引变流柜中，进入牵引控制单元以及辅助控制单元之前的线路上的电压。
如图3所示，第二变频器连接于电网与第二陪试电机之间。第二变频器在内燃机车牵引变流柜调试试验中所起的作用，如下：
可选的，当牵引电机牵引特性试验时，此时，第二陪试电机处于制动状态，会产生能量，第二变频器用于将第二陪试电机产生的电能回馈电网；从而起到了节约能源，提高能量利用率的作用；
可选的，当牵引电机制动特性试验时，第二变频器用于将电网的三相交流电进行变频处理后拖动第二陪试电机旋转，使得第二陪试电机处于牵引状态；从而避免了牵引电机制动特性试验时需要将第二陪试电机与牵引电机调换位置的步骤，起到了简化试验步骤的作用；另外，待母线电压稳定在制动控制设定值时，图3虚线框中的第一变频器、主发电机和励磁控制系统可以停止工作，进一步起到节省量的作用。
可选的，当牵引电机制动特性试验时，制动电阻柜可用于牵引控制单元剩余能量泄放提供回路。
可选的，当牵引电机制动特性试验时，充电机可以对牵引控制单元剩余能量转换为蓄电池可存储的能量。
本实施例提供了把第二变频器介入电网与第二陪试电机之间的试验方案，不仅可以用于将电网的三相交流电进行变频处理后拖动第二陪试电机旋转，使第二陪试电机运行在牵引工况，避免了牵引电机制动特性试验时需要将第二陪试电机与牵引电机调换位置的步骤；还可以用于将第二陪试电机制动状态时产生的电能回馈电网，而且还提高整体系统的设备利用率，环保节能。另外，用于负载试验的制动变阻器和在牵引电机制动特性试验时，可用作牵引控制单元剩余能量泄放提供回路，体现了充分利用试验设备的优点。在进行牵引电机制动特性试验时，待母线电压稳定在制动控制设定值时，图3虚线框中的第一变频器、主发电机和励磁控制系统可以停止工作，进一步起到节省量的作用。
实施例三
图4为本发明内燃机车牵引变流柜调试系统实施例三的示意图。图4中控制单元包括：牵引控制单元和辅助控制单元。
实施例三是在实施例一或实施例二所示实施例的基础上，进一步地，还包括：控制台。如图4所示：
可选的，控制台包括上位机；
可选的，上位机设置有整个系统的设备停止或启动控制的按钮，能够随时切断各设备输入输出，以防意外危险情况发生的时候，可通过此控制整个系统停止工作，起到安全保护的作用。可选的，上位机可以实现接触器通断操作；可选的，上位机可以给定列车控制和管理系统(Train Control and Management System；简称TCMS)运行指令，通过控制TCMS控制调试设备子系统中相关设备的运行；可选的，上位机可以接收TCMS传来的数据并对其进行监控。
可选的，控制台还包括检测设备监控区；
可选的，检测设备监控区设置有场地摄像头的监控接口，同时在试验区场地关键部位安装监控摄像头，便于试验人员调试和远程监控设备的运行状态，以便于实时了解试验场地情况；可选的，检测设备监控区调设置有调试检测设备接口，示波器、转矩仪，功率分析仪、温度巡检仪等这些检测设备的数据信号传输到操控台，以方便调试人员对这些数据信号实现其记录、分析等功能。可选的，检测设备监控区还设置有牵引变流柜调试程序下载和监控接口。
可选的，控制台与调试设备子系统通信连接；控制台用于通过通信连接控制调试设备子系统。
可选的，通信连接包括：硬线连接方式。通过硬线连接方式连接的设备可以如图4所示，硬线连接方式在图中用线箭头表示。硬线连接针主要是针对高速断路器、交直流接触器的操作，负责高压电气输入输出控制以及负载投放；
可选的，通信连接还包括：网络连接方式。通过硬线连接方式连接的设备可以如图4所示，硬线连接方式在图中用空心箭头表示。主要通过多功能车辆总线(Multifunction Vehicle Bus；简称MVB)网络、以太网、CAN通讯网络和串口通讯连接，负责控制命令的实施、数据监控和记录运行过程中的各个试验参数以及数据。
可选的，操作台通过TCMS系统(列车控制和管理系统)实现对电网供电系统、第一变频器、第二变频器、风机系统、牵引变流柜系统、充电机和励磁控制系统等设备进行硬线连接的控制：通过操作控制接触器实现切断或投 放设备到系统，对接触器进行互锁逻辑处理以及操作失误报警提示。
可选的，操作台通过网络通信连接对调试设备子系统的设备进行调节；可选的，通过串口网络对第一变频器、第二变频器进行转速调节；可选的，通过以太网对牵引变流柜、充电机和励磁控制单元运行提供指示信号；可选的，通过网络通信连接将上述子系统的设备运行的关键试验数据，如母线电压、牵引电机转矩、电流、转速和控制电源电压等，并把上述试验数据传输至操控台，用于分析和监控设备及试验数据是否正常。
本实施例提供的控制台对内燃机车牵引变流柜调试试验的运行进行控制、监控以及试验中获得数据及图表的显示与下载，从本实施例中可以看出，通过利用变频器替代柴油机，内燃机车牵引变流柜的调试系统变为全电气系统，针对该电气系统通过硬线和网络传输来搭建远程操控台，根据不同试验要求来控制不同设备的切换运行，提高了整个系统的灵活性和安全性和整个系统的可操纵性。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各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，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，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范围。

Claims (10)

  1. 一种内燃机车牵引变流柜调试系统，其特征在于，包括：
    调试设备子系统，所述调试设备子系统包括:
    第一变频器、第一陪试电机、主发电机、励磁控制系统、牵引变流柜、牵引电机、第二陪试电机和至少一个负载；其中，所述牵引变流柜包括：整流和逆变单元、牵引控制单元和辅助控制单元；
    所述第一变频器用于将电网的三相交流电进行变频处理后发送给第一陪试电机，拖动主发电机旋转，所述主发电机运行，所述主发电机通过所述励磁控制系统的作用向所述牵引变流柜供电，所述牵引变流柜的整流和逆变单元用于对所述主发电机提供的三相交流电进行整流和逆变处理，并将一部分整流和逆变处理后的电能提供给所述牵引控制单元控制所述牵引电机或所述第二陪试电机运行，将另一部分整流和逆变处理后的电能提供给所述辅助控制单元控制所述至少一个负载的运行。
  2. 根据权利要求1所述的系统，其特征在于，所述调试设备子系统还包括：第二变频器；
    所述牵引电机处于牵引工况时，所述第二变频器用于将所述第二陪试电机产生的电能回馈电网。
  3. 根据权利要求2所述的系统，其特征在于，所述牵引电机处于制动工况时，所述第二变频器用于将所述电网的三相交流电进行变频处理后拖动所述第二陪试电机旋转。
  4. 根据权利要求1-3任一项所述的系统，其特征在于，还包括：控制台；
    所述控制台与所述调试设备子系统通信连接；
    所述控制台用于通过所述通信连接控制所述调试设备子系统。
  5. 根据权利要求4所述的系统，其特征在于，所述控制台还设置有调试检测设备接口，所述试检测设备接口用于连接调试检测设备。
  6. 根据权利要求4所述的系统，其特征在于，所述控制台还包括调试设备子系统的停止或启动按钮。
  7. 根据权利要求4所述的系统，其特征在于，所述控制台与所述调试设备子系统通过硬线方式通信连接。
  8. 根据权利要求4所述的系统，其特征在于，所述控制台与所述调试设 备子系统通过网络方式通信连接。
  9. 根据权利要求1-3任一项所述的系统，其特征在于，所述第一变频器为直交不控整流变频器。
  10. 根据权利要求2或3所述的系统，其特征在于，所述第二变频器为含四象限逆变的交直交型变频器。
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