Sinusoidal Filters

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Energy Efficiency

Sinusoidal Filters
Sinusoidal Filters

Providing optimal motor protection in controlled drive systems, Schaffner's FN5040/45 sinusoidal filters with nominal currents of up to 260A have been recently granted UL-label “cURus” approval. With open design (FN5040) and a housed variant (FN5045 – IP20), they provide user-friendly protection against high voltage edges with large dv/dt-values and over-voltages. The filters smooth the pulse-width modulated output voltage of controlled drive units and provide the motor with a clean sinusoidal voltage with low harmonic content. The filters’ minimum required pulse frequency of 2, 3 or 4kHz can adapted to the standard pulse frequencies of the frequency inverter, eliminating the need to oversize the inverter. 

Posted on May 22, 2012 - (634 views)
Schaffner Group
Nordstrasse 11
4542 Luterbach - Switzerland
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