Harmonic current phase failure protection circuit 2a
Source: InternetPublisher:D先生 Keywords: Protection circuit harmonic current phase failure protection protection device Updated: 2020/09/03
Both circuits use thyristors to control the action of the contactor KM, thereby overcoming the problem of misoperation or refusal to operate due to phase failure protection
of the relay , and improving the sensitivity and reliability of the protection device .
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