EMC filter

Details EMC filter EMC filter

2011-05-17

2011-05-17

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C363S039000, C327S552000

Reexamination Certificate

active

07944326

ABSTRACT:
An EMC active filter capable to maintain a low earth leakage current at all times, thus being compatible with RCD devices. The filter of the invention has an especially simple inductor's structure, where typically the power conductors pass straight through the filter, without windings, and most of the components can be implemented in a modular shunt circuit. Preferably the filter is realized by connecting the shunt module by an IDC device to the phase conductors, or directly to the line and load terminal, thus avoiding cutting and splicing high-current cables. The particular protection circuit of the filter prevents in-rush current at power on, and limits earth leakage current even in case of a fault in the line.

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