Harmonics mitigation and solutions - Schneider Electric

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II. The effects of harmonics ●Voltage distortion: ● Excessive temperature rise in motors ● Electrical noises ● Sensitive electronic equipment malfunction ●Increase in the apparent power and over-sizing of sources (UPS, Genset, etc.), capacitors, cables... ● Derating of electrical equipment or over-sizing ● Accelerated ageing of equipment ●Flow of current in the neutral conductor and consequently in the PEN: ● Excessive temperature rise in transformer ● Tripping of circuit breakers Schneider Electric 8
II. The effects of harmonics ●Voltage distortion: influence of THDI on the THDU Main LV Switchboard (MLVS) feeder MS1 feeder MS2 feeder MSn Secondary switchboard feeder S1 feeder S2 feeder S3 Final distribution enclosure LV M M M Increased RMS current Non-linear current circulating in the cables Increased THDU Schneider Electric 9
Page 1 and 2: Harmonics mitigation and solutions
Page 3 and 4: I. Introduction II. Harmonic mitiga
Page 7: II. Current distortion ●Waveform
Page 11 and 12: II. The effects of harmonics 2 0 0
Page 13 and 14: II. Passive filter: architecture &
Page 15 and 16: II. Sizing cleanwave ●CleanWave i
Page 17 and 18: II. Active harmonic conditioner: ar
Page 19 and 20: II. Sinewave standard solution: 20-
Page 21 and 22: II. Example: Variable Speed Drive l
Page 23 and 24: II. Accusine solution ● Robust de
Page 25 and 26: II. Customer benefits / active powe
Page 27 and 28: III. Accusine application case stud
Page 31: The 3 main messages ●Schneider El

Harmonics mitigation and solutions - Schneider Electric

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