Harmonics mitigation and solutions - Schneider Electric

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II. Sinewave features ● Input • Voltage : 400 V , - 20% , + 15% • Phases : 3-phase with or without neutral. Compatible Operation with single phase and unbalanced load • Frequency : 50 Hz or 60 Hz, +/- 8% auto-sensing ● Compensation characteristics • Harmonics covered : H 2 to H 25 • Type of compensation : Harmonics - cos phi - mixed (Hn + cos) • Compensation mode : Overall or selective (specific harmonics) • Attenuation ratio : >10 at full load ( THDI) • Cos phi correction : Up to 1 • THDU reduction : According to the installation parameters, THDU reduction will be determinated by the SITE AUDIT • Response time : < 40 ms in overall current compensation mode • Overload : Automatic current limitation Schneider Electric 20
II. Example: Variable Speed Drive load 2 1,5 1 0.5 0 -0.5 -1 -1,5 -2 Mains current without active conditioner I phase = 48 A THDI = 81% I neutral = 42 A S = 10.6 kVA Power factor = 0.77 Cos phi 1 = 0.99 Schneider Electric 21 2 1,5 1 0.5 0 -0.5 -1 -1,5 -2 Mains current with active conditioner I phase = 38A (-21%) THDI (reduced by a factor of 24) = 3.4% I neutral = 2.6 A S = 8.4 kVA Power factor = 1 Cos phi 1 = 1
Page 1 and 2: Harmonics mitigation and solutions
Page 3 and 4: I. Introduction II. Harmonic mitiga
Page 7 and 8: II. Current distortion ●Waveform
Page 9 and 10: II. The effects of harmonics ●Vol
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: II. Sinewave standard solution: 20-
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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