Secondary Side Measurement Modeling Method of Voltage Fault Ride Through Model for Direct-Driven Wind Turbine

doi:10.3969/j.issn.1008-0198.2023.01.011

Abstract

Abstract: It is difficult to calculate the system stability margin and analyze the fault response accurately because of the lack of experimental verification for the crossing model of direct-driven wind turbine. In order to solve this problem, based on the analysis of the principle of secondary-side fault crossing model, the simulation system of secondary-side voltage crossing is designed, the waveform data is identified by the least square algorithm, and the model is verified. The results show that compared with the conventional primary-side voltage traversal test, the secondary-side measurement modeling method improves the test efficiency and has higher simulation accuracy.

Key words: direct-driven wind turbine, voltage fault ride through, measurement-based modeling, secondary side simulation, parameter identification, model validation

CLC Number:

TM614

SHI Jiyin. Secondary Side Measurement Modeling Method of Voltage Fault Ride Through Model for Direct-Driven Wind Turbine[J]. Hunan Electric Power, 2023, 43(1): 63-69.

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