Analysis on reason of frequent trip of frequency converter for induced draft fan and countermeasures

Abstract

Abstract:

In boiler No.1 of a power plant, the communication fault of the frequency converter for induced draft fan B occurred repeatedly. The reason of the

fault was analyzed and searched; and it was verified finally that the fault reason is that the connection of the plugin connectors between the fiber

communication mother board and the fiber communication daughter board in master control system was loose. The treatment method of the converter communication

fault was introduced; and some suggestions on converter operation were given.

Key words: frequency converter, communication fault, power module, master control box, analysis

PAN Zhishang. Analysis on reason of frequent trip of frequency converter for induced draft fan and countermeasures[J]. Huadian Technology, 2012, 34(8): 47-48.

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Analysis on reason of frequent trip of frequency converter for induced draft fan and countermeasures

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