CONTROL DEVICE AND METHOD FOR SERVO VALVE, AND COMPOUND POWER PLANT AND GAS TURBINE PLANT

摘要

PROBLEM TO BE SOLVED: To provide a control device and method for servo valves, which allow control for servo valves equipping a plurality of servo coils to be continued stably after coil disconnection in the servo valve.;SOLUTION: Voltages of the plurality of servo coils 3A, 3B and 3C are detected with disconnection detect means provided respectively in servo amplifiers 2A, 2B and 2C, so that the servo amplifiers 2A, 2B and 2C perform disconnection detection and disconnection compensation.;COPYRIGHT: (C)2002,JPO