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Why do some power tools not function correctly?

April 26, 2017correctly function power tools

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Why do some power tools not function correctly?

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Some newer power tools use Pulse Width Modulator (PWM) variable speed controllers to vary the tool’s speed as the trigger is squeezed. These power tools switch the power on and off very quickly in a similar way to the functioning of the inverter. Because of this, some may not function properly with the inverter’s modified sine wave output.