Recent content by AamirSohail

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    Steam Turbine High Vibration Issue During Startup

    Hello Guys We performed major inspection of Harbin made Steam Turbine of 110 MW that runs on the steam of HRSG as our plant is a CCPP. We replaced LP&HP rear and front glands seals and also replaced the all gland seals of LP diaphragms and some seals of HP diaphragms. Some measures were also...
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    Clutch of GT Frame 9E Main Fuel Oil Pump is not engaging

    Gas Turbine Frame 9E has been installed at our combined cycle power plant. This machine runs on both fuel gas and fuel oil. In fuel oil system loop, an electromagnetic clutch is installed between shaft driven main fuel oil pump and accessory gearbox. To continue a co-firing operation, command is...
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    VC3 hunting of GE MS9001E Gas Turbine During Startup

    The reason of the issue was remained unknown for 8 years and we were troubling with the hunting of VC3 during start-up. Interesting thing is this that this issue was not continuous but observed in almost every third start-up. Up-to 2900 RPMs the machine starts-up very smoothly but after this...
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    VC3 Valve Hunting and Machine Tripping

    This issue was live at our plant site from 8 years. The problem was kept solving after taking different measures everytime, sometimes after replacing the Fuel oil bypass valve (VC3), and sometimes after replacing VC3 servo-valve and its inlet filter. Although its filter was found clean every...
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