FIELD: electrical engineering; flaw detection and automatic disconnection of faulty machine from supply mains. SUBSTANCE: method involves measurement of electromotive force generated by electrical machine during its inertial running in case of failure of power supply, disconnection of electrical machine from supply mains in response to faults detected, and yielding information about technical condition of electrical machine. EFFECT: facilitated detection of flaws in electrical machines. 1 dwg
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Authors
Dates
2002-11-20—Published
2000-03-28—Filed