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DEVICE FOR PROTECTING A THREE-PHASE ELECTRIC MOTOR AGAINST ASYMMETRIC OPERATION CAUSED BY PHASE LOSS OF THE EXTERNAL SUPPLY MAINS
DEVICE FOR PROTECTING A THREE-PHASE ELECTRIC MOTOR AGAINST ASYMMETRIC OPERATION CAUSED BY PHASE LOSS OF THE EXTERNAL SUPPLY MAINS
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机译:一种用于保护由于外部电源缺相而引起的不对称运行的三相电动机的装置
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摘要
the invention относитс to relay protection field of electric banyu asin -. хронного электродвигател of asymmetric modes caused by loss of phase in the external power grid.the purpose of изобретени
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