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Ultracapacitor balancing circuit

  • US 20030214267A1
  • Filed: 05/20/2003
  • Published: 11/20/2003
  • Est. Priority Date: 05/20/2002
  • Status: Abandoned Application
First Claim
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1. An energy storage system comprising:

  • at least one voltage source; and

    a string of series connected cells, wherein each of said cells is connected to a circuit, wherein said circuit comprises;

    at least one voltage reference;

    at least one voltage divider, which establishes a trip point; and

    at least one operational amplifier, wherein said at least one operational amplifier receives a first input from said voltage reference and a second input from said voltage divider and shunts an output through a power dissipative device when voltage of said cell exceeds said trip point.

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