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Fault positioning equipment, method and device, electronic equipment and computer readable medium

A fault location and equipment technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problem of low maintenance efficiency and achieve the effect of improving the efficiency of fault maintenance

Inactive Publication Date: 2021-01-15
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present application is to provide a fault location device, method, device, electronic device and computer-readable medium to solve the problem of low maintenance efficiency in case of power failure

Method used

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  • Fault positioning equipment, method and device, electronic equipment and computer readable medium
  • Fault positioning equipment, method and device, electronic equipment and computer readable medium
  • Fault positioning equipment, method and device, electronic equipment and computer readable medium

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Embodiment Construction

[0058] 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 making creative efforts belong to the protection scope of the present invention.

[0059] An embodiment of the present application provides a fault location device, which can be used for fault location of an IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor).

[0060] figure 1 It is a block diagram of the inverter fault protection circuit system. Such as figure 1 As shown, the frequency converter includes a controller 1, a fault detection module 2, a bearing controller 3, a display device 4 and an IGBT module 5, an...

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Abstract

The invention provides fault positioning equipment, method and device, electronic equipment and a computer readable medium, and belongs to the technical field of fault positioning. The method comprises the following steps: controlling a pulse generator to send out a pulse signal under the condition that no current is detected; selecting a plurality of target switches from a plurality of switches according to a preset closing condition; closing the target switch to enable the pulse signal to be transmitted to a target warning device through the target switch; and performing fault positioning according to the operation state of the target warning device. Under the no-current state of the equipment, the current can be generated through the pulse signal, accurate positioning is carried out, and the fault maintenance efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of fault location, and in particular to a fault location device, method, device, electronic device, and computer-readable medium. Background technique [0002] With the wide application of high-voltage and high-power IGBT modules in power transmission, electric locomotives, frequency converters and other fields, more and more attention has been paid to the reliability of power modules such as AC-DC IGBT in UHVDC transmission. Once the IGBT module fails Very serious losses will result. [0003] The current monitoring process of the IGBT module is as follows: the IGBT drive board transmits the fault signal to the active unit of the control system, the active unit performs analysis and logical judgment according to the appearance of the fault signal, outputs the protection control signal, and the communication device in the control system outputs the active unit The protection control signal is trans...

Claims

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Application Information

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IPC IPC(8): G01R31/26
CPCG01R31/2601G01R31/2608
Inventor 花峰海张良浩李义丽刘玲于安波谢汉融
Owner GREE ELECTRIC APPLIANCES INC
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