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  1. T

    Low tank vaccum pressure (96QV-1) issue in GT frame VI

    As attached in above P&ID there are two tapping coming from tank and that is why it is creating doubt that Tx is measuring DP across what? Ideally one tapping should be connected to tank and other should be open to atmosphere but that is not like that in above case. Also tracing of tubbing...
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    Low tank vaccum pressure (96QV-1) issue in GT frame VI

    Hi all, We have a BHEL-supplied GE Frame VI Gas Turbine with a Speedtronic Mark VI control system. Recently, we faced an issue with low tank vacuum pressure. Normally, the tank vacuum pressure (96QV-1) stays around -300 mmWC, but suddenly it dropped to -50 mmWC. On a doubt basis, we checked...
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    Frame VI GE Gas Turbine startup/shutdown sequence

    Thanks @WTF? for the detailed explanation. Sorry for the delayed response. I have gone through your reply and other couples of threads for understanding startup sequence of the GT, Now I have pretty much basic idea startup sequence. Also I have found basic sequential block diagram for startup...
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    Frame VI GE Gas Turbine startup/shutdown sequence

    Thanks for the reply, As you suggested, will go step by step. Firstly I will see overview of startup and shutdown sequence and then after startup checks, interlocks, trip logic etc. Thanks for helping me out, and if I needed any clarifications regarding this, then will surely post here.
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    Frame VI GE Gas Turbine startup/shutdown sequence

    Hi, We are having BHEL supplied GE Frame VI Gas Turbine with Speedtronic Mark VI control system and I am new to it so can anyone please post or send writeup or any links of websites for better understanding about Frame VI GE Gas Turbine Startup/ shutdown sequence for a beginner. Eagerly waiting...
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