Switching control between variable frequency and power frequency of emulsion pump in coal mine

In view of problem of high impulse current when scheme of multiple pumps linkage with one frequency converter applied in coal mine emulsion pump station, asynchronous switching and synchronous switching control scheme between variable frequency and power frequency of emulsion pump were proposed. The...

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Bibliographic Details
Main Authors: FU Xiang, WANG Ranfeng, YUAN Jicheng, DONG Zhiyong
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2017-01-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017.01.019