Operation of motors in unsatisfactory technical condition leads to financial losses, connected with unpredictable equipment breakdown and caused by this violation of technological process. And also, it leads to considerable electric energy expenditure, caused by an increased current consumption.
In some cases, the diagnostics by the current or consumption capacity, perhaps, is the only one method of non-dismountable diagnostics of electric equipment. Such problem occurs during the diagnostics of air coolers and wind-powered generators. Such facilities have restricted access in terms of vibration sensors mounting, at the same time the mounting of current consumption sensors and control of consumed and outputted electric power do not involve any difficulties.
Spectrum-current analysis is the procedure of monitoring of current and voltage signals on motor terminals and their further analysis aimed at detection of electric and mechanical malfunctions (defects) of electric motors.
Boychenko S.N., Tkachenko A.A. Research of dependence of current consumption parameters of electric motor on its health // Nauka, obrazovanie, biznes (Science, education, business). - 2012. - pp. 199-200
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