Abstract
Integrated and coordinated control of generator exciter, steam turbine and shunt braking resistor is described. These are controlled adaptively to derive the maximum benefits of transient and steady state stability for a wide range of operating conditions. Local and global inputs are fed into the two cascade-connected microcomputers utilized in the core of the proposed stabilizer. Practical schemes of excitation control, turbine governor control and shunt braking resistor switching as well as argorithms of coordinated control are described. A prototype of the stabilizer was designed, implemented and experimented upon. Significant improvements in stability limits were confirmed by laboratory and field tests.
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