Numerical Analysis and Experimentation of an AC Voltage Regulator for Spot Welding Machine
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Abstract
This study aimed to present the development of a chain welding machine equipped with voltage level control and to analyze the results obtained from measuring the input voltage of the transformer in comparison to numerical mathematical analysis.The experiment was conducted by regulating the welding current using a microcontroller, which generates trigger signals for the Silicon-Controlled Rectifier (SCR) in a single-phase full-wave AC-AC converter circuit. The experimental results were compared to numerical analysis, and the study found that it is feasible to control the welding current to suit the specific type of chain being used. The AC voltage adjustment unit connected to the chain welding machine was utilized to adjust the voltage for welding chains of various sizes. The results obtained from mathematical analysis were found to be consistent with the experimental results in adjusting the voltage, with a maximum discrepancy of 6.18% compared to numerical mathematical analysis.
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