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Modular passive harmonic filters guarantee IEEE-519 compliance

Modular passive harmonic filters guarantee IEEE-519 compliance

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By Julien Happich



The new filters are designed for three-phase diode and thyristor rectifier, achieving a THID under 5% even without DC-link choke included in the drive. They guarantee compliance with the toughest requirement of IEEE-519 and other stringent international power quality standards while being the most compact passive harmonic filters available in the market, claims the manufacturer. The filters offer excellent performance at rated power with minimal reactive power, even at partial or no-load conditions. Thanks to a modular concept, the filter design allows Schaffner to provide the optimal solution by merely “plugging in add-on modules”, according to different installation requirements and motor drive setups.  

The Ecosine evo filters FN 3440, FN 3450 and FN 3452 are rated for 50 Hz/400 VAC, 50 Hz/500 VAC and 60 Hz/480 VAC grids, respectively, with standard power ratings available from 1.1 to 250 kW (1.5 to 300 HP for 60 Hz filters). They are available as open frame IP 00 and protection category IP 20 (IP 21 and NEMA 1/NEMA 3R (only in the US) as a future option).

More information at www.myecosine.com

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