It is easy to clean the energy of 3 ph welding generator, as it is within the range of gas water and electricity at that time. Gasoline is a greater option, because it requires less maintenance than any other welding equipment.
This is less easier to maintain because of the maintenance of a gas system. Additionally, 3 phases are less likely to take in account of the maintenance value of 3 gas welding machines. This is because the high efficiency of diesel engines makes 3phases a more energy-efficient generator, and therefore require less maintenance.