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A BREAKER AGAINST FAULTS FOR LACK phase electric motors Three Phase
A BREAKER AGAINST FAULTS FOR LACK phase electric motors Three Phase
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机译：三相缺相电动机的故障防范措施
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摘要
breaker against damage due to lack of phase in three-phase electric essentially characterized by being constituted by an automatic interruption a latching mechanism and automatic shooting and a set of three corresponding relays each one of the respective phases of the corresponding Entry and exit terminals of a current protection circuit breaker may be provided after the first mentioned and the connections necessary for operation of the assembly all coupled on an insulating plate; and arranged such the assembly to be inactive one of the relay with coil corresponding to the lack of voltage or current in one phase operates automatically latching mechanism and shot failing to act the other two phases so that it is completely interrupted current flow.
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