Schaffner Three-Phase Harmonics Filters
Schaffner has announced the launch of a new range of three-phase harmonics filters. The introduction of Schaffner ECOsine filters brings to an end the era of bulky passive harmonic mitigation products. The new load-applied passive harmonic filters represent the ideal solution for three-phase power electronics with 6-pulse rectifier front ends, such as AC and DC motor drives.
As a result of the significant reduction in total harmonic current distortion (THID) to <5%, ECOsine filters
can uniquely guarantee compliance with the toughest requirements of IEEE 519 and other stringent international power quality standards. Rectifier peak and RMS input current are reduced and a pure sine wave is drawn from the national power grid. The reduction in current consumption for the same power level saves precious energy, reduces running costs and helps to make better use of existing electric system capacity. For new installations, the use of ECOsine filters even allows power cables, fuses, and circuit
breakers to be downsized, or enables a greater number of drives to be powered by a given size of distribution transformer.
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