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Converter circuit having an inverter for each phase

  • US 6,462,518 B1
  • Filed: 06/01/2001
  • Issued: 10/08/2002
  • Est. Priority Date: 06/01/2001
  • Status: Expired due to Term
First Claim
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1. A converter circuit for voltage maintenance in an electrical AC supply network, with the electrical AC supply network having an associated voltage source for each phase for supplying an electrical load, with the converter circuit having a respective inverter for each phase, which inverter is connected on the DC side via an energy-storage capacitor to a supply device, wherein, on the AC side, each inverter is connected in series between the associated voltage source and the electrical load in the respective phase, and wherein, on the AC side, the supply device is connected to at least two phases between the associated voltage sources and the respective inverters.

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