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Parallel-connected inverters with separate controllers having impedance current regulators

  • US 7,145,266 B2
  • Filed: 01/20/2004
  • Issued: 12/05/2006
  • Est. Priority Date: 07/23/2001
  • Status: Expired due to Term
First Claim
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1. A distributed generation network, comprising:

  • a) a plurality of power sources connected together in a distributed generation AC power network that is primarily inductive;

    b) a plurality of power converters, at least some of which are connected in parallel, each connected to one or more of said plurality of power sources;

    c) a plurality of control systems, each connected to at least one of said plurality of power converters and each including an impedance current regulator for generating an impedance current signal as a function of characteristics of AC power in the AC power network; and

    d) wherein each of said plurality of control systems controls said at least one of said plurality of power converters without the need for a separate control system connected to said each control system.

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