IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Main Pole Search-coil Method for Detecting Commutation Condition of Direct Current Machines
Kazuo TaharaHaruo KoharagiNoriyoshi TakahashiTetsuo Etoo
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1990 Volume 110 Issue 10 Pages 1067-1074

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Abstract

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.

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© The Institute of Electrical Engineers of Japan
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