... Strongly against electricity network pulsation. Stable and reliable welding current;4.Thrust compensation capability, good arc stability, uniform melting pool ... in-line,water-cooled,4-strokeVertical,in-line,water-cooled,4-strokeVertical,in-line,water-cooled,4-strokeVertical,in-line,water ... 8lagging0.8lagging0.8lagging3-phase 4-wire Y type connection3-phase 4-wire Y type connection3-phase 4-wire Y type ...