The arcextinguishing 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。
2
The affect of inductance and time constant to DC arcextinguishing in DC circuits was analyzed.
分析了直流电路中电感和时间常数对直流电弧熄灭的影响。
3
Welding control device adopts microcomputer for process control, arc striking, welding, arcextinguishing control, auto arc voltage control and auto tracking of welding seams.