Parameter Identification Method of Double-Fed Wind Power Electromechanical Transient Simulation Model Based on Measured Data

doi:10.3969/j.issn.1000-7229.2015.12.008

Abstract

Abstract:

The electromechanical transient simulation model of double-fed wind power has complex structure and more control parameters. It is important prerequisite and basis for the actual application to obtain units model parameters based on the measured data. According to the basic structure characteristic of double-fed wind power model and the influence degree of different model parameters on output characteristics, this paper proposed classification determination method based on the influence degree of parameters. Firstly, based on the basic theory and model structure of double-fed wind power, this paper analyzed the influence of different model parameters on the active power and reactive power output characteristics of wind turbines. The results show that the control mode in normal status and the control mode, parameters in low voltage ride through status have great influences. Then, based on the actual data, this paper put forward classification processing method for different types of parameters including acquired from manufacturer, using typical parameters and parameter fitting from measured data. Finally, a double-fed wind power unit was used as the example to introduce the method process, as well as the result and effect of parameter fitting. The practice proves that the proposed parameter identification method can reflect the key characteristics of the actual wind power and has good practical application value.

Key words: double-fed wind power, electromechanical transient, measured data, parameter identification

CLC Number:

TM 743

HOU Junxian, WANG Xiaohai, TAO Xiangyu, QI Jun, ZHANG Shi, ZHANG Hongguang. Parameter Identification Method of Double-Fed Wind Power Electromechanical Transient Simulation Model Based on Measured Data[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(12): 48-56.

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