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Power module test system and test method

A power module and test system technology, applied in the field of flexible power transmission, can solve the problems of time-consuming and inefficient testing, and achieve a high degree of automation

Pending Publication Date: 2022-02-25
NR ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, every time the power module needs to be disconnected from the upper control device, the test efficiency is time-consuming and inefficient, especially when the number of power modules is large

Method used

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  • Power module test system and test method

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0023] According to one aspect of the present application, a power module testing system is provided. figure 1 A schematic diagram of a power module testing system according to an embodiment of the present application. figure 2 A schematic diagram of a power module testing system according to another embodiment of the present application. Such as figure 1 and 2 As shown, the system includes a plurality of power modules, a power module testing device and upper-layer control...

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Abstract

The invention relates to a power module testing system and method in a flexible alternating current and direct current power transmission system. The power module testing system comprises a power module, a power module testing device and upper-layer control equipment, the power module is connected with the upper-layer control equipment, the upper-layer control equipment is connected with the power module testing device, wherein the power module testing device sends a testing instruction to the power module through the upper layer control equipment; the upper-layer control equipment forwards the test instruction from the power module test device to the power module and receives state information from the power module; and the power module testing device obtains the state information of the power module through the upper-layer control equipment. According to the power module test system and method provided by the invention, the test efficiency can be improved, and the test time consumption can be reduced.

Description

technical field [0001] The present application relates to the field of flexible power transmission, in particular to a power module testing system and testing method. Background technique [0002] At present, in the field of flexible power transmission applications, flexible DC converters and chain-type reactive power compensation devices mostly adopt modular designs. With the increase of capacity and voltage level, the number of system power modules can reach hundreds or even thousands. Efficient and fast testing of power modules is particularly important. [0003] However, due to the distance between the upper control equipment and the power module, it is difficult to perform on-site maintenance and testing of the system without changing the original electrical and communication connections. The general practice in the prior art is that when the power module needs to be tested, the communication connection between the power module and the upper control equipment needs to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/40
CPCG01R31/40
Inventor 姚宏洋谢晔源姜田贵卢宇欧阳有鹏周谷庆
Owner NR ELECTRIC CO LTD
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