Title :
Optimal design of SEDC for damping multi-mode SSR based on GASA
Author :
Donghui, Zhang ; Xiaorong, Xie ; Shiyu, Liu ; Shuqing, Zhang
Author_Institution :
Dept. of Electr. Eng., Tsinghua Univ., Beijing
Abstract :
In this paper, a near-optimal and robust SEDC (supplemental excitation damping control) has been developed for damping SSR (subsynchronous resonance) in Shangdu power plant in China . This paper first gives a brief analysis of the multi-mode SSR in Shangdu system, and then provides the configuration of SEDC to provide damping for all SSR modes. The primary contribution of this paper lies in the presented method GASA, in which GA (genetic algorithm) and SA (simulated annealing) are combined to solve the SEDC optimal parameter-searching problem. The details of this approach are presented, and the performance of the SEDC obtained by GASA is verified with the Shangdu system through eigenvalue analysis and electromagnetic simulations.
Keywords :
damping; eigenvalues and eigenfunctions; genetic algorithms; power plants; simulated annealing; subsynchronous resonance; China; Shangdu power plant; eigenvalue analysis; electromagnetic simulations; genetic algorithm; multimode subsynchronous resonance; optimal design; optimal parameter-searching problem; simulated annealing; supplemental excitation damping control; Analytical models; Damping; Eigenvalues and eigenfunctions; Electromagnetic analysis; Genetic algorithms; Performance analysis; Power generation; Resonance; Robust control; Simulated annealing; GASA; SEDC; multi-mode SSR;
Conference_Titel :
Power Tech, 2007 IEEE Lausanne
Conference_Location :
Lausanne
Print_ISBN :
978-1-4244-2189-3
Electronic_ISBN :
978-1-4244-2190-9
DOI :
10.1109/PCT.2007.4538597
