METHOD AND DEVICE FOR DETERMINING A PRE-INTERLOCATION TIME OF A PRE
The invention relates to a method and a device for determining a main fracture closing moment of pre-input time, and belongs to the technical field of electric power. Comprising the steps of obtaining a power supply voltage curve used for providing test current in a to-be-tested circuit breaker clos...
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Format: | Patent |
Sprache: | chi ; eng |
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