Ideal Voltage Waveform – Nonlinear Load:The Rectifier – The Definition of Power Quality – Examples of poor power quality – The need for corrections – The Scope of This Text – Comment on References – References – Chapter PowerQuality Standards – IEEE Standards and – ANSI Standard C – CBEMA and ITIC Curves – HighFrequency EMI Standards – Summary – References – Chapter Voltage Distortion – Voltage Sag – Voltage “Swell” – Impulsive “Transient” – Oscillatory “Transient” – Interruption – Notching – Voltage Fluctuations and Flicker – Voltage Imbalance – Summary – References – Chapter Harmonics and Interharmonics – Background – Periodic Waveforms and Harmonics – Rootmean square – DC current – Pure sine wave – Square wave – DC waveform + ripple – Triangular ripple – Pulsating waveform – Pulsating waveform with ripple – Triangular waveform – Piecewise Calculation – Total Harmonic Distortion – Crest Factor .
