Timer Trigger Parameter Tuning Method of Primary Frequency Regulation for BESS

Abstract

The increase of new energy penetration and load fluctuation level has brought new challenges to power system frequency regulation. The Battery Energy Storage System (BESS) has been proved to have broad application prospects in frequency control recent years. The use of BESS in primary frequency modulation can effectively improve the condition of frequency deviation. But how to control the BESS operating parameters to make power system more economical and stable is still a problem to be solved. A timer trigger parameter tuning method based on rolling optimization and genetic algorithm is proposed. The primary frequency regulation parameters of BESS are dynamically adjusted by proposed method periodically, which can guarantee both smaller frequency deviation and more economical operation of BESS. The result of case study based on MATLAB/SINMULINK demonstrates the effectiveness and advantage of the strategy compared with fixed parameter control method.