Current Distortion – BAD juju Excess currents in distribution infrastructure –Heat –Wasted Power/Lost Revenue Shunt capacitors –High currents due to low.

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Presentation transcript:

Current Distortion – BAD juju Excess currents in distribution infrastructure –Heat –Wasted Power/Lost Revenue Shunt capacitors –High currents due to low reactance at harmonics –Undesired resonances Induced distortion of Voltage Waveform

Power Quality Guidelines IEEE-519 Consumers – Limit Distortion on load current waveform Utilities - Limit distortion of voltage waveform I sc /I 1 Odd HarmonicsTHD % H < 1111< h <1717< h <2323< h <3535< h < >

Rectifier Bridges