Abstract
This paper presents analysis and control of a hybrid filter that can suppress neutral harmonic currents in three-phase four-wire systems not only with harmonic voltage-source loads but also with harmonic current-source loads. The filter voltampere rating is significantly reduced compared to the conventional neutral-current-suppressing methods. The rectifier part of the neutral harmonic suppressor has been removed by controlling the dc capacitor voltage. The experimental results on a 50-kVA prototype validate the proposed control approach.
| Original language | English |
|---|---|
| Pages (from-to) | 2201-2208 |
| Number of pages | 8 |
| Journal | IEEE Transactions on Industrial Electronics |
| Volume | 54 |
| Issue number | 4 |
| DOIs | |
| State | Published - Aug 2007 |
Keywords
- Active filter
- Neutral current
- Three-phase four-wire
- Zero-sequence
- Zigzag transformer
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