Harmonic filter

Harmonic filter

Suppress harmonic currents and comply with EMC standards

REO harmonic filters are used for reducing the THD (Total Harmonic Distortion).
The harmonic currents are greatly suppressed, so that a THD is achieved by less than 5 % (as in UPS systems) .

Further reducing reactive power through a harmonic filter (e.g. REOWAVEpassive) and save up to 30% energy.

Why the additional installation of a harmonic filter ?

- Reduction in THDI value below 5%

- Increased network stability

- Compliance with the standards IEEE 519 , EN 61000-3-12 , EN 61000-3-2 , EN 61000-3-4

  • CNW 999

    Compensating choke (7 or 14% detuning factor)

    CNW 999
    • Nominal Voltage: 400 V
    • Rated current: 9,1 - 80 A
    • Inductance: 0,78 - 14,5 mH

    Reactive Power and harmonics compensation equipment; Protection of capacitors 



    • Conforming to: DIN EN 61558-2-20

    • Test voltage: L-L 2100 V, DC 1 min L-PE 2700 V, DC 1 min

    • Overload: 1,5 x INenn 1 min / h

    • Climatic category: DIN IEC 60068-1

    • Thermal class: H

    • Protection degree: IP 00



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