The problem of annual arc welding power source whose output is surge and power factor is lower, is solved by means of main circuit, arc ignition circuit and arc static circuit working together.
通过主回路、引弧电路、稳弧电路的共同作用，解决了一般弧焊电源输出脉动大、功率因数低的缺点。
The analysis and the laboratory tests prove that the HCB has the performance of fast operating, consistency and arc limiting, retaining the static state of the mechanical circuit breaker.
试验表明，该新型HCB具有合闸和分闸动作的快速性、一致性及限压限弧特性。
It points out that arc dis charge time is related to circuit time constant and the product of inductance and static current.
指出放电时间与电路时间常数以及电感和稳态电流的乘积相关。
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