Range of passive harmonic filters launches at SPS 2016

23rd November 2016
Alice Matthews


A range of harmonics mitigation solutions has been introduced by Schaffner. ecosine evo combines technologies to reliably mitigate excessive harmonics with a modular product concept. 

The Schaffner ecosine filters FN 3440, FN 3450 and FN 3452, designed for use with three-phase diode and thyristor rectifier systems, are achieving a THID ≤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 compact. The filters offer high performance at rated power with minimal reactive power, even at partial or no-load conditions. With the installation of the ecosine filters, the electrical infrastructure is unburdened and its utilisation is more efficient and reliable. Installation of an ecosine filter ensures the service life cycle of electrical equipment is extended and energy costs are reduced.

Thanks to the modular concept, the filter design also offers great flexibility. It allows Schaffner to provide the optimal solution by merely 'plugging in add-on modules'; depending on different installation requirements and motor drive setups. Installing the Schaffner modular filters ensures the optimal tailored solution for applications and aligns product offerings with the international market requirements and customer expectations.

ecosine evo filters FN 3440, FN 3450 and FN 3452 are rated for 50Hz/400VAC, 50Hz/500VAC and 60Hz/480VAC grids, respectively, with standard power ratings available from 1.1-250kW (1.5-300HP for 60Hz 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). All filters are CE-marked, UL listed (pending) and RoHS compliant. The ecosine evo filters are easy to install and maintain and are be fully supported in Schaffner’s well known power quality simulator SchaffnerPQS3.

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