STEAM TURBINE POWER PLANT HAVING TESTING METHOD AND SYSTEM FOR TURBINE INLET VALVES ASSOCIATED WITH DOWNSTREAM INLET VALVES PREFERABLY HAVING FEEDFORWARD POSITION MANAGED CONTROL SURVEYORS GEODETIC MULTI-COMPONENT AIMING STAKE AND KIT OF PARTS THEREOF

摘要

1458142 Automatic control WESTINGHOUSE ELECTRIC CORP 12 Aug 1974 [15 Aug 1973] 35470/74 Heading G3N [ Also in Division F 1] In a digital computer controlled steam turbine plant having at least two main valves each controlling steam flow via downstream valves to a respective admission arc of the turbine, a main valve is tested after switching the downstream valves from the partial to the full arc mode of operation, closing the downstream valves associated with the valve to be tested and automatically opening the remaining downstream valves to substantially satisfy the turbine load demand.