This paper deals with load frequency control of an interconnected reheat th
ermal system considering battery energy storage (BES) system. Area control
error (ACE) is used for the control of BES system. Time domain simulations
are used to study the performance of the power system and BES system. Resul
ts reveal that BES meets sudden requirements of real power load and very ef
fective in reducing the peak deviations of frequency and tie-power and also
reduces the steady state values of time error and inadvertent interchange
accumulations. (C) 2001 Elsevier Science BN. AII rights reserved.