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Measure voltage distortion at key distribution points (main service, distribution panels, motor control centers, and transformer secondaries) and benchmark for future comparison. |
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Where IEEE distortion limits are exceeded, install harmonic filters as needed to reduce distortion, which causes motor heating, transformer heating, circuit breaker tripping and miss-operation of control equipment. |
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Provide tuning or de-tuning reactors as required on capacitors to reduce harmonics or to prevent resonance and nuisance fuse blowing. |