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Bearing temperature system failure detection apparatus suitable for use in power plants and like apparatus

  • US 3,955,359 A
  • Filed: 06/20/1973
  • Issued: 05/11/1976
  • Est. Priority Date: 06/20/1973
  • Status: Expired due to Term
First Claim
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1. In a gas turbine electric power plant having a gas turbine and a control system therefor, a protective alarm monitoring system for said turbine comprising:

  • a. sensing means for sensing the status of a given parameter at a predetermined portion of said turbine and for generating a signal representative thereof;

    b. first means, responsive to said sensing means, for determining when said parameter signal represents a reasonable alarm condition which reflects a need for corrective scheduled control of said turbine upon such determination;

    c. second means, responsive to said sensing means, for determining when said reasonable alarm condition parameter signal represents a non-parameter reasonable alarm condition which reflects protective system apparatus malfunction not requiring any change in normal turbine operation; and

    d. initiating means, responsively coupled to said first and second means for determining and to said turbine control system, for initiating corrective scheduled control of said turbine only when said parameter signal represents a reasonable alarm parameter signal condition.

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