Title :
A generator transfer function regulator for improved excitation control
Author :
Ghazizadeh, M.S. ; Hughes, F.M.
Author_Institution :
Dept. of Electr. Eng. & Electron., Univ. of Manchester Inst. of Sci. & Technol., UK
fDate :
5/1/1998 12:00:00 AM
Abstract :
The control performance of a conventional fixed parameter automatic voltage regulator (AVR) varies significantly with the generator load and operating situation, giving rise to design difficulties and operational limitations. A new form of auxiliary control loop for an AVR, utilising direct and quadrature axes signals, is proposed which accounts for the influence of the generator load. This loop not only provides consistent voltage control performance over the generator operating range but also improves the stability characteristics of the basic AVR, thereby extending the operational range of the generator and system
Keywords :
feedback; feedforward; machine control; synchronous generators; transfer functions; voltage control; voltage regulators; auxiliary control loop; consistent voltage control performance; direct axes signals; excitation control improvement; feedback control; feedforward control; fixed parameter automatic voltage regulator; generator load; generator operating situation; generator transfer function regulator; quadrature axes signals; stability characteristics; synchronous machine; Automatic generation control; Automatic voltage control; Character generation; Damping; Power generation; Power system dynamics; Regulators; Signal generators; Transfer functions; Voltage control;
Journal_Title :
Power Systems, IEEE Transactions on
