Main circuit breaking method of circuit breaker and soft starting circuit breaker
A technology for circuit breakers and main circuits, applied in circuit breaker parts, circuits, circuit breaker contacts, etc., can solve problems such as high arc extinguishing, reduced arc extinguishing chamber vacuum, and plum blossom contact burning, etc., to enhance safety and reliability. Performance and cost performance, improved safety opening and closing times, and improved line safety
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[0056] The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0057] For example 1, such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 As shown, a method for breaking the main circuit of a circuit breaker and its soft start. The circuit breaker includes an incoming and outgoing line connection bar, a breaking room, a support device, and a control device. Its characteristic is that there is a static contact 7 and a movable contact in the breaking room 6 Contact 14, the movable contact consists of the main conductive column 13, the connecting buffer column 8, and the non-linear volt-ampere resistance material 10; the telescopic structure 12, when the moving and static contacts are close to the cont...
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