Test bench and test system of traction inverter

A technology for traction inverters and test benches, applied in digital circuit testing, electronic circuit testing, instruments, etc., can solve problems such as increased testing costs, high testing costs, and complex testing environments, so as to ensure personal safety and reduce testing costs Effect

Active Publication Date: 2010-08-18
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In practical applications, since the test environment in which the testers are exposed involves high voltage and strong current, the test environment is relatively complicated, which is not conducive to the persona

Method used

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  • Test bench and test system of traction inverter
  • Test bench and test system of traction inverter
  • Test bench and test system of traction inverter

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Embodiment Construction

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0014] In order to make those skilled in the art understand the present invention clearly, some professional knowledge involved in the present invention is firstly introduced.

[0015] The operation of bullet trains, locomotives or subway vehicles is realized by traction motors driving wheelsets, and traction inverters provide working power for traction motors.

[0016] In general, testing of traction inverters can be divided into two parts.

[0017] Part of the t...

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Abstract

The invention provides a test bench of a traction inverter. The test bench comprises a user terminal, an Ethernet switch, a control case and a main circuit test circuit, wherein the user terminal sends a control instruction to the control case or a DCU case through the Ethernet switch and acquires feedback results of the control case or the DCU case through the Ethernet switch; the Ethernet switch forwards data between the user terminal and the control case and between the user terminal and the DCU case; the control case performs an electrical performance test on the DCU case according to the control instruction sent by the user terminal by the Ethernet switch or triggers the main circuit test circuit to perform the electrical performance test on the main circuit of the traction inverter according to the control instruction sent by the user terminal through the Ethernet switch; and the main circuit test circuit performs the electrical performance test on the main circuit of the traction inverter according to a trigger of the control case and returns the feedback results to the control case. The invention further provides a test system for testing the traction inverter.

Description

technical field [0001] The invention relates to the testing technology of electrical components used in the rail transit field, in particular to the testing technology of traction inverters. Background technique [0002] Traction inverters are high-power electrical components used in motor vehicles, locomotives or subway vehicles. They are mainly used to convert DC voltage into AC voltage to supply power to other components. Taking the traction inverter used in subway vehicles as an example, when the subway vehicle is working normally, the input voltage range is DC1000V~DC2000V, such as DC1500V, and the output voltage range is 0V~AC1400V, where DC means direct current and AC means alternating current . [0003] After the traction inverter is produced, the production unit needs to test the parameters of its control circuit and the function of the main circuit. After the traction inverter is delivered to the operating unit along with the whole vehicle, the operating unit als...

Claims

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Application Information

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IPC IPC(8): G01R31/28G01R31/317G01R31/3177
Inventor 陈明奎李小文苏理谭利红李进进
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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