High-capacity intelligent high-speed switch
A fast-switching, large-capacity technology, applied in the field of power high-voltage switches, can solve the problems of long time required for fault removal, shortened equipment life, slow current rise, etc., and achieves the effect of convenient industrial realization, simple structure and reduced harm.
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[0016] Such as figure 1 As shown: the present invention is the same as the prior art, the three-phase power line is connected to the load through switches such as circuit breakers, and a current transformer is connected to the output line of the three-phase power supply, and the switches such as the circuit breaker are driven by a fast operating mechanism, which can be quickly The operating mechanism is controlled by the central processing unit. The difference from the prior art is that the output of the transformer is connected to the three-phase current sampling signal processing circuit, and the three-phase current sampling signal processing circuit is connected to the central processing unit. The three-phase current sampling signal processing circuit is connected to the central processing unit. The current sampling signal processing circuit processes the signal obtained at each sampling point and sends it to the central processing unit for the significance test of the regr...
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