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Zero position locking of turbine shaft displacement and differential expansion sensors

  • 2013-09-22
  • 119.59KB
  • Points it Requires : 2

Differential expansion and shaft displacement are the two most important technical parameters of the steam turbine monitoring and protection system. This paper explains how to correctly lock the measurement zero position of the differential expansion and shaft displacement sensors of the Bentley 3300 system from the perspectives of theory and practical debugging. It also proposes reliable solutions to avoid common problems in actual installation and debugging, thus providing a reference for reducing measurement and protection action errors caused by improper sensor zero position locking. [Keywords] Steam turbine differential expansion shaft displacement zero position locking

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