Palm Oil Engineering Bulletin No.85 (Oct - Dec 2007) p27, 33-37
Welding technology for good milling practice: module 3 – welding equipments and welding defects

All welding machines are designed to step-down voltage – low voltage, high current and also taking safety factor into consideration. The secondary voltage, open circuit voltage (OCV) is in the range of 50 – 100 V with the current ratings varying from 5 A – 800 A.

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