Polyphase line filter
A filter and circuit technology, applied in the field of passive harmonic filters, can solve problems such as difficulty in use and/or cost, and achieve the effect of reducing volume
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[0038] Fig. 1 is a view of a polyphase line filter according to a first embodiment of the present invention. The polyphase line filter is generally indicated by the reference numeral 10 . The filter comprises a first filter input FE1 and a second filter input FE2, and a first filter output FA1 and a second filter output FA2. Furthermore, the filter comprises a polyphase filter core 12 comprising a first filter leg 14 and a second filter leg 16 . A first inductor 20 is wound onto the first filter leg 14 and connected at a first end to the first filter input FE1. The second end of the first inductor 20 is connected to the first filter output FA1 via the second inductor 22 wound on the second filter leg 16 of the polyphase filter core 12 . A connection point 24 of the first inductance 20 and the second inductance 22 is connected to a first input 26 of a parallel branch circuit 28 . The second filter input FE2 passes through a third inductor 30 wound onto the second leg 16 of t...
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