Co-Gen Turbine Controls Retrofit

Mechanical Dynamics & Analysis’ Control Systems Division (MD&A Control Systems) replaced an industrial co-gen turbine’s original mechanical-hydraulic (MHC) controls with an electronic governor, electro-hydraulic trip system and self-contained control valve actuator. The primary drivers for the project were the operator’s desire to increase the long-term maintainability and reliability by replacing the MHC components that had […]

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HPU Pump Motors Are Continuously Running

PROBLEM DEFINITION The Hydraulic Power Unit (HPU) pump motors are continuously running at excessive current levels. DETAIL Many Hydraulic Power Unit (HPU) pump motors have been observed to be running with excessive current while the turbine is at steady-state operating conditions. This condition may also be accompanied by an inability to hold normal operating pressure […]

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