- Reduction of harmonics and low frequency distortion
- Improvement of the THD-I values
- Compliance with the harmonic emission requirements of IEC 61000-3-12
- Less expensive than active harmonic filters
- Significantly reduced input current (energy saving)
HFE-A (THD-I <16%*)
HFE-B (THD-I <10%*)
High Performance Harmonicfilter
- Current ratings from 10 A up tp 400 A
- For power up to 440 kW
- 380 V – 690 V (50 / 60 Hz), 3-phasig
- THD-I 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, THD U ≤ 2%
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Comparison THDI values:
| Unverdrosselter Gleichrichter | Mit 4 % uk verdrosselter Gleichrichter | Gleichrichter mit HFE-A | Gleichrichter mit HFE-B | Gleichrichter mit HFE-A und Zwischenkreisdrossel | Gleichrichter mit HFE-B und Zwischenkreisdrossel |
| 80 % | 40 % | < 16 % | < 10 % | < 10 % | < 5 % |
| Current without Harmonic filter | Current with Harmonic filter HFE |
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NF-HPHF
Compakt Harmonic filter
- Current ratings 10 A – 75 A
- 1-phase and 3-phase, 115 V up to 480 V (50 / 60 Hz)
- Very compact case design
- No leakage current
- Reactor with uk 4%
