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Good day friends,
I am happy to join in this group.
we are facing one problem in GE GT frame 5 (Speedtronics mark v). the problem occurred in liquid fuel bypass valve. when the fuel changing from gas to liquid, fuel bypass valve was not moving and turbine tripped "Turbine under speed". we have calibrated the valve manually and it was working properly. Again same problem came and tripped. we have suspected the fuel pump and clutch and replaced with new pump. again the valve was not moving. From mark V, output command is going to servo and servo current was varying at the time of changeover. At the time of clutch engaging, there is only very less flow (3m3/hr). kindly help me to find out the problem and what all the parameters involved in this FQROUT.
Regards,
RK
I am happy to join in this group.
we are facing one problem in GE GT frame 5 (Speedtronics mark v). the problem occurred in liquid fuel bypass valve. when the fuel changing from gas to liquid, fuel bypass valve was not moving and turbine tripped "Turbine under speed". we have calibrated the valve manually and it was working properly. Again same problem came and tripped. we have suspected the fuel pump and clutch and replaced with new pump. again the valve was not moving. From mark V, output command is going to servo and servo current was varying at the time of changeover. At the time of clutch engaging, there is only very less flow (3m3/hr). kindly help me to find out the problem and what all the parameters involved in this FQROUT.
Regards,
RK