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January 7, 20136 years ago

Early fault detection tool prevents major generator damage in a European CCGT power plant

Using its early fault detection tool, Laborelec was able to identify a dangerous temperature increase in the generator of one of the units of a European CCGT power plant in the Netherlands near the end of November. After having notified the local operator, the unit was immediately shut down for closer investigation. Various tests revealed that parts of the generator’s stator had been damaged.

Without Laborelec’s SmartSignal detection tool, the plant would never have detected the problem before the temperature reached 150°C. By that point, the damage could have been catastrophic. It could have necessitated a complete replacement of the generator, which is vastly more expensive than replacing the damaged stator parts.

More information about Laborelec Remote Monitoring and Diagnostic Services

December 14, 20126 years ago

Why witnessing matters

Pushing the OEM to further investigate

A neutral, external expert witness can steer a root cause analysis (RCA) in the right direction. The Sohar Power Plant in Oman asked Laborelec to witness the RCA of a crack in the generator retaining ring in order to obtain an objective second opinion. Pushing the manufacturer to investigate every detail of the case was necessary to strengthen the insurance case, among other things.

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July 23, 20126 years ago

NEWS 135: focus on remote monitoring

  • Detecting generator rotor shorted turns
  • Remote condition and quality monitoring offers value in both the short and long run
  • Preventing problems in the water/ steam cycle and demineralization processes
  • Automatically diagnosing water/ steam cycle chemistry-related issues
  • Adapting PQ monitoring to new EN50160 version
  • Remotely processing data from events on New Caledonia’s electrical network
  • Monitoring equipment condition online
  • Multidisciplinary condition monitoring of 52 step-up transformers


October 28, 20117 years ago

NEWSLETTER September 2011: focus on electrical rotating machinery

  • Ruptured generator rotor connections
  • Keeping electrical rotating machinery in optimal condition
  • Reducing generator seal ring wear
  • Evaluating the results of automated ultrasonic testing of retaining rings
  • Expert technical advice on recurring generator problems
  • Assessing insulation systems for large electric motors
  • Hosting a milestone meeting for the Anastasia project

Newsletter September 2011: Focus on electrical rotating machinery (pdf)