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Harmonic current phase failure protection circuit 2b

Source: InternetPublisher:桂花蒸 Keywords: Protection circuit harmonic current phase failure protection protection device Updated: 2021/02/11

26.<strong>Harmonic current</strong>Phase failure<strong>Protection circuit</strong>-2 b.gif

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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