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Multivariable adaptive control for a thermal generator

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6 Author(s)
S. Yokokawa ; Fuji Electr. Corp. Res. & Dev. Ltd., Tokyo, Japan ; Y. Ueki ; H. Tanaka ; H. Doi
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A digital control system using the optimal control has been developed for a thermal power generator. In order to increase the generator control performance for improving the power system stability, this system supplies the excitation system directly with control signals and provides the governor system with control signals and supplemental control signals for a conventional governor. The system utilizes adaptive control for changes in generator nonlinear characteristics, as well as in power system characteristics. The principles and application of this system are described and results of simulation tests using a 1000 MVA thermal power plant model on a high-reliability AC/DC electric power system simulator are presented. The results verify the performance of this system, as well as the applicability of the system to actual plants

Published in:

IEEE Transactions on Energy Conversion  (Volume:3 ,  Issue: 3 )