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DEVICE FOR PROTECTING THREE-PHASED ASINCHRONOUS MOTORS WHEN ELECTRIC ENERGY SUPPLY IS INTERRUPTED ON ONE PHASE
DEVICE FOR PROTECTING THREE-PHASED ASINCHRONOUS MOTORS WHEN ELECTRIC ENERGY SUPPLY IS INTERRUPTED ON ONE PHASE
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机译:当一相中断电源时,用于保护三相异步电动机的装置
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摘要
the invention refers to a method based on the use of third harmonic signal and a protection device.which consist of the use of three current transformers connected with secondary înfasurarile triangle
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