Schaffner introduces FN530 sine wave filter with EMC output filter
April 7, 2017 - Schaffner introduces the FN530 sine wave filter with EMC output filter, which it says eliminates premature motor damage caused by high dv/dt, overvoltages, cable ringing, motor overheating and eddy current losses in industrial applications.
Suitable for motors from 1.5 to 7.5 kW and from 4-16 A, with frequencies up to 200Hz, this technology converts the PWM output voltage of motor drives into a sine wave with low residual ripple, Schaffner says. The FN530 can also improve bearing life by eliminating circulating bearing currents, and allow the use of very long unshielded motor cables, the company adds. Typical applications include chemical and petro-chemical facilities, semi-conductor manufacturing, mission critical applications, installation with multiple motors in parallel, retrofits of motor drives into existing installation with old wiring and motors, and motor drives with long motor cables (up to 1000 m max).
Various models are available to accommodate switching frequencies of 6 to 20 kHZ, and VDC link voltage ratings up to 850 VDC max.
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