High voltage large capcity breaker
A large-capacity, circuit breaker technology, applied in high-voltage air circuit breakers, circuits, high-voltage/high-current switches, etc., can solve problems that are difficult to deal with, and achieve the effect of simple structure, good insulation, and high insulation withstand voltage
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[0020] Hereinafter, embodiments of the present invention will be described based on the drawings.
[0021] figure 1 It is a single-line wiring diagram showing a high-voltage large-capacity circuit breaker according to an embodiment of the present invention.
[0022] The constituent elements constituting the high-voltage and large-capacity circuit breaker include: a first switch unit 1; a second switch unit 2 electrically connected in series with the first switch unit 1, and a third switch unit 3 electrically connected in parallel with the first switch unit 1. The first switch unit 1 is constituted by a vacuum interrupter having excellent current interruption characteristics for separating the electrodes in vacuum and interrupting the current. In contrast, the second switch part 2 is made into an insulating medium other than vacuum, such as an insulating gas, to separate the contacts between the contacts. After the current is cut off by the first switch part 1, the contacts The h...
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