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The fourth Y-△ step-down starting circuit with arc flashover short circuit protection function
Source: InternetPublisher:sigma Keywords: Protection function short circuit protection starting circuit BSP Updated: 2020/05/08
(4) Y-△ step-down starting circuit 4 with protection function to prevent flying orphan short circuit
. The circuit is shown in Figure 3-45. It also uses the method of extending the Y-△ switching interval (delaying
0.1-0, 3s through the time relay KT) to prevent arcing short circuit.
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