Open-circuit fault diagnosis method for switching tube of mine NPC three-level inverter

Open-circuit fault diagnosis method for switching tube of mine NPC three-level inverter

The inverter of the motor drive system in the mine hoist and belt conveyor mostly adopts neutral point clamped (NPC) three-level inverter. This inverter has a large number of switching tubes and high running frequency. Switching the working state of the switching tubes at high frequency in a short t...

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Bibliographic Details
Main Author:	LIANG Hong
Format:	Article
Language:	zho
Published:	Editorial Department of Industry and Mine Automation 2022-10-01
Series:	Gong-kuang zidonghua
Subjects:	mine inverter neutral point clamped three-level inverter open-circuit fault of switching tube fault diagnosis probabilistic neural network empirical mode decomposition
Online Access:	http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.17974

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