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  1. PLCs, VFDs, Motors and Controls
    I am dealing with a piece of equipment that is using SSRs to pulse the output to a standard 120VAC motor to achieve speed control. The motors are currently tripping out on thermal overload. I cannot find anybody using SSRs this way, and I have a feeling that pulsing the motors like this is...
  2. General Electrical Discussion
    which technique in pulse width modulation is the best suitable one for analysing the harmonics in the output waveform of a multi level inverter. thank you in advacne
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