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Hydraulic Trip System Gas Turbine

Hydraulic Trip System Gas Turbine Points : Hydraulic Trip System Gas Turbine Power plant In order to fully protect the turbine and, hence trip the fuel system completely independent of the control system, a hydraulic trip system is used. The components for a single-shaft duel-hid gas turbine. The output of the protective system provides the trip signal for the solenoid damp valve. 20HD The design and operation of the fuel oil stop valve and fuel gas speed ratio/stop valve are identical and are not described here. The system shown for the duel fuel turbine permits completely independent operation of the fuel gas speed-ratio/stop valve and the fuel oil stop valve or the oil stop solenoid trip valves on command of the protective system, both the oil and the speed ratio/stop valves are tripped simultaneously with 20HD. thus closing the oil and gas stop valves. Likewise, the over speed trip mechanism, if used, and the manual emergency trip valve will trip both valves simultaneously.

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