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Three-phase AC power supply phase sequence protection circuit
Source: InternetPublisher:萌面大虾 Keywords: AC power supply protection circuit three-phase AC power BSP Updated: 2020/12/24
When the three-phase power supply is in sequential phase sequence, the relay KA is closed and the load power supply is turned on. If it is
reverse phase sequence, KA is released and the load power is cut off.
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