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Mode of least resistance: Understanding control modes in resistance welding

With the advent of transistorized controls in resistance welding, power supplies are available in which feedback can be used to control current, voltage, or power delivered. The use and benefits of these control modes are not well understood, leading to underutilization of the technology. It is important to understand the fundamentals of the control modes as applicable to DC and inverter power supplies and the special situations that you might encounter in their application.

Publish date: August 8, 2007

Tech cell: Resistance Welding