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Electrical Technology 2019-9-18

2019-09-18View Original

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The effective value of the short-circuit impulse current is the effective value of the short-circuit current in the first cycle after the short circuit occurs. When a high-voltage circuit is short-circuited, the effective value of the short-circuit inrush current is 1.51 times the effective value of the periodic component of the short-circuit current. The effective value of the inrush current in a low-voltage circuit short circuit is 1.09 times the effective value of the periodic component of the short-circuit current. ( )√

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