This will connect the circuit to measure and analyze the current and voltage of three-phase induction motor by inverter voltage with Power Quality Analyzer using a pressure gauge power and harmonic current Knicks. By changing the value of the frequency inverters and frequency switch, it was found that when adding the frequency inverter to make the base frequency, voltage and current, THDv increased the base frequency decreased and increased, and when adding THDi frequency by frequency inverter switch with a value of 50 Hz making Vfun and THDv and THDi lower Ifun decreased.
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