False-wiring-proof lightning protection system of single-phase power supply
A lightning protection device and single-phase power supply technology, applied in circuit devices, emergency protection circuit devices, measuring devices, etc., can solve problems such as fire, difficult to find that the phase sequence has been wrongly connected, short circuit of the metal sheet of the arrester, etc., to solve the problem of residual voltage Excessive, scientific and reasonable design effect
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[0025]A single-phase power supply miswiring anti-lightning protection device, including a power management unit, the power management unit has an L terminal, an N terminal, and a PE terminal, and is characterized in that it also includes a first layer of lightning protection circuit, a second layer The second layer of lightning protection protection circuit, the anti-misconnection alarm circuit, and the lightning monitoring and alarm circuit, the first connection end of the first layer of lightning protection protection circuit is connected to the L end, and the second connection end of the first layer of lightning protection protection circuit The connection end is connected to the N end, the third connection end of the first layer lightning protection circuit is connected to the PE end; the fourth connection end of the second layer lightning protection circuit is connected to the L end, The fifth connection terminal of the second layer lightning protection circuit is connecte...
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