...互感；可靠性；消弧回路 [gap=1079]Key words: two coils；relay；mutual inductance；reliability；arc-extinguishing circuit ...
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The arc extinguishing principle of miniature circuit breaker in DC circuits was discussed.
讨论了小型交流断路器在直流电路中的灭弧原理。
The electric field calculation is used for the insulation design of SF6 circuit breaker arc-extinguishing chamber.
结合一SF_6断路器灭弧室的设计讨论了电场计算在灭弧室绝缘设计中的应用。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber, permanent magnet device and the types of vacuum circuit breaker.
阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类，详述了真空开关的常见问题与选型注意事项。
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