Annual Report 2011-2012

Annual Research Report 2011-2012
Project Title:
Design of a central fault diagnosis system using vibration
analysis and implementation in Abadan gas power plant
Department: Power Plant Mechanical Systems
Employer: Khoozestan Regional Electric Co.
Project Staff: H.R.Khalesi, A.Jafari
Project Manager: M.AghaAmini
Project Code: CMEBO03
Project Summary:
Condition monitoring and predictive maintenance of the rotating machinery have major
role in increasing availability factor of power plants. In order to apply an effective
predictive maintenance system, an on-line condition monitoring of machines is
required. This system not only increases the availability factor of machines but also
prevents the fault progress and drastic failures and subsequently decreases the cost and
time of the maintenance.
Several projects in this field had been done in NRI Company and resultant of them is a
central (web-based) fault diagnosis system using vibration analysis.This web-based
fault diagnosis system (VCM) was designed and successfully implemented on four
turbine-generator sets in Abadan gas power plant. The web-based VCM system consists
of a hardware including sensors, signal conditioners and A/D card and software
including data acquisition, signal processing and fault diagnosis programs.
The VCM software is designed for on-line monitoring of the rotating machinery. It
monitors the vibration signals, controls the alarm and trip limits and saves the data to do
more analysis and fault diagnosis.
Project Results:
• Design of an on-line Signal conditioning, data acquisition and signal processing
system.
• Design of a web-based software for saving in database, transfering to the fault
diagnosis center and analyzing vibration data.
• Design of a web-based fault diagnosis software by vibration analysis.
• Design of a central fault diagnosis system using vibration analysis and
implementation in Abadan gas power plant.
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