脉冲式照明源 pulsed illumination source，PIS 脉冲回路关闭 pulsed loop closed 脉冲式磁场系统 pulsed magnetic field system，PMFS ..
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A microcomputer controlled IGBT inverter power source for pulsed MIG welding is developed. It realizes the self adaptive control and closed loop control of arc voltage in pulsed MIG welding process.
建立了微机控制和IGBT逆变式脉冲MIG焊电源系统，实现了MIG焊接过程弧压自适应闭环控制。
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