Protection of squirrel-cage induction motor utilizing instantaneous power and phase information
作者： R. Maier
DOI: 10.1109/28.126745
关键词: Universal motor 、 Power (physics) 、 Wound rotor motor 、 Engineering 、 Squirrel-cage rotor 、 AC motor 、 Switched reluctance motor 、 Induction motor 、 Impulse generator 、 Electrical engineering
摘要: A new method of protecting a squirrel-cage induction motor in which its condition is checked before starting and while running presented. The check made by successively connecting the windings to all impulse generator analyzing resulting current voltage. monitoring AC-component power signals three phases, sum gives information about condition. very sensitive short circuits wiring, interturn circuits, ground faults, phase failure, but it not load changes small deviations supply >
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