- Reduction of harmonics and low frequency distortion
- Improvement of the THDi values (<5% possible)
- Compliance with the harmonic emission requirements of IEC 61000-3-12
- Less expensive than active harmonic filters
- Significantly reduced input current
HFE-5P (THDi <5%*)
HFE-8P (THDi <8%*)
High Performance Harmonicfilter
- Current ratings from 10 A up tp 410 A
- For power up to 250 kW
- 380 V – 690 V (50 / 60 Hz), 3-phasig
- THDi up to 5 % is possible (typical 10-16 %*)
- Especially for devices with B6 rectifier bridge
- Reduction up to 50th harmonics (2.5 / 3.0 kHz)
- Switchable capacitors
- No leakage current
- For higher requirements
* at RSCE ≥ 66, THDU ≤ 2%
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Comparison THDi values:
| B6 rectifier without choke | B6 rectifier with uk 4% choke | B6 rectifier with HFE-8P | B6 rectifier with HFE-5P | B6 rectifier with HFE-8P and DC choke | B6 rectifier with HFE-5P and DC choke |
| 80 % | 40 % | <16 % | <10 % | <8 % | <5 % |
| Current without Harmonic filter | Current with Harmonic filter HFE |
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Standards
· IEC/EN 61000-3-2
· IEC/EN 61000-3-12
· IEC/EN 61000-3-4
· IEC 61000-2-2
· IEC 61000-2-4