This article introduces a method of arc initiation and stabilization, which is used in low current DC TIG welding, it analyzes the controlling circuit that realizes these functions.
介绍一种小电流直流tig焊中的引弧及稳弧方法，并对实现此功能的控制电路进行了详细的分析。
2
The initiation voltage of short circuit treeing after the positive and the negative dc pre-stress increase by 26 8% and 36 3% respectively.
在正负极性直流预压短路树枝试验中，分别提高试样短路树枝起始电压2 6 8%和36 3%。
3
This paper introduces its operation principle and application circuit in 2m measure instrument, and provides the software of 2m measure instrument system and initiation programme of PMC4351.