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Method and apparatus for controlling a steam turbine

  • US 4,005,581 A
  • Filed: 01/24/1975
  • Issued: 02/01/1977
  • Est. Priority Date: 01/24/1975
  • Status: Expired due to Term
First Claim
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1. An improved steam turbine system comprising:

  • a steam turbine in which steam expands as it imparts torque to the turbine shaft;

    means for generating a representation of the drop in steam enthalpy resulting from the expansion of steam in the turbine; and

    means for controlling the operation of said turbine as a function of said steam enthalpy drop representation, whereby the turbine is controlled as a function of the actual steam conditions in the turbine.

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