直流機の界磁電圧形整流状態検出装置

概要

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As the operating lifetimes of direct current machines depend on their commutation performance, for electrical engineers. The progress of power switching devices expands a range of an abrupt load variation of direct current machines.Therefore, though overall commutation performance of direct current machines is good, sometimes problems arise.This paper describes the investigation results on main pole search-coil method for detecting commutation condition. The method can be used in the commutation compensation system which enables to materialize no-spark commutation.The detecting equipment is possible to judge the commutation condition by detecting the induced voltage on the main pole search-coil during commutation. The equipment for use in a commutation test machine is fabricated and proved effective by performance tests.
社団法人電気学会の論文