Title :
Parameter Identification of Hydro Generation System with Fluid Transients Based on Improved Genetic Algorithm
Author :
Gao, Lin ; Dai, Yiping ; Xia, Junrong
Author_Institution :
Inst. of Turbomachinery, Xi´´an Jiaotong Univ., Xi´´an, China
Abstract :
More accurate models are adopted for dynamic stability analysis of hydro generation systems but the parameters of these models are often estimated roughly. Inaccurate parameters may decrease the analysis accuracy improved by using an accurate model. An improved genetic algorithm is proposed in this paper to estimate the parameters of a hydro generation system model which contains a series of basic differential equations to represent the flow transients more accurately. The numerical and experimental results show good accordance between the actual systems and the identification results.
Keywords :
differential equations; genetic algorithms; hydroelectric generators; parameter estimation; power system dynamic stability; differential equations; dynamic stability analysis; fluid transients; genetic algorithm; hydro generation system; parameter identification; Differential equations; Genetic algorithms; Hydraulic turbines; Optimization methods; Parameter estimation; Power system analysis computing; Power system modeling; Power system simulation; Power system transients; Stability analysis; Hydro generation system; genetic algorithms; parameter identification;
Conference_Titel :
Natural Computation, 2009. ICNC '09. Fifth International Conference on
Conference_Location :
Tianjin
Print_ISBN :
978-0-7695-3736-8
DOI :
10.1109/ICNC.2009.23