Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   NOVEMBER 2003 , Volume 16 , Number 4 (TRANSACTIONS A: BASICS); Page(s) 347 To 258.
 
Paper: 

A NEW CLASS OF DECENTRALIZED INTERACTION ESTIMATORS FOR LOAD FREQUENCY CONTROL IN MULTI-AREA POWER SYSTEMS

 
 
Author(s):  KAZEMI M.H., KARARI M., MENHAJ M.B.
 
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Abstract: 
Load Frequency Control (LFC) has received considerable attention during last ‎decades. This paper proposes a new method for designing decentralized interaction ‎estimators for interconnected large-scale systems and utilizes it to multi-area power ‎systems. For each local area, a local estimator is designed to estimate the interactions ‎of this area using only the local output measurements. In fact, these interactions are ‎the information of other area. A new scheme is developed to construct an approximate ‎model for the interaction dynamics and design a local estimator. The designed local ‎estimator exploits the model of each area and its actual inputs and outputs to produce ‎a good estimation of unknown states and interactions. It is shown that in the proposed ‎method the errors of estimation are globally ultimately bounded with respect to a ‎specific bound. Our scheme is used to design decentralized estimator for a three-area ‎power system to illustrate the effectiveness of the proposed method‏.‏
 
Keyword(s): MULTI AREA POWER SYSTEM, LOAD FREQUENCY CONTROL, LARGE SCALE SYSTEMS, ESTIMATION
 
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