H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 7/48 (2007.01) H02M 1/12 (2006.01)
Patent
CA 2245451
In a voltage converter (39) having a voltage intermediate circuit (11) and an invertor (10) following on from the voltage intermediate circuit (11), which invertor (10) produces a three-phase AC voltage at its outputs and is connected to the output terminals (20,..,22) of the voltage converter (39) via a filter arrangement (17,..,19; 23,..,25), the filter arrangement having in each case a filter inductor (17,..,19), connected in series with the output terminal (20,..,22), and a filter capacitor (23,..,25) which is connected between the output terminal (20,..,22) and a common capacitor star point (26), effective attenuation of the DC system is achieved by virtue of the fact that the capacitor star point (26) is connected to the voltage intermediate circuit (11) via an RC element (38) having a capacitor (36) and a resistor (37).
Steinke Jurgen
Stulz Christian
Abb Schweiz Ag
Asea Brown Boveri Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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