双馈感应风力发电机组低压穿越系统分析

2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI:10.1109/AEES56284.2022.10079350

Zhihui He, Mingche Li, Li Zhang, Yongheng Zhang, Ze Li

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引用次数: 0

摘要

双馈感应式风力发电机组低压穿越控制系统的设计对风电场和电力系统的暂态稳定具有重要意义。由于DFIG与电网的特殊连接，DFIG对电网的扰动极为敏感。在此基础上，在DFIG低压穿越设计中选择了撬棍电阻保护方案。在三相对称电压扰动下，对有或无撬棍的DFIG系统的动态性能进行了比较分析。通过对DFIG系统参数的详细观测，验证了该方案的有效性。本工作采用Matlab/Simulink软件进行建模和仿真。研究发现，当有源IGBT撬棍电路连接时，DFIG系统在短时间内稳定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of Low Voltage Ride through System for Doubly Fed Induction Wind Turbine

The design of low voltage ride through (LVRT) control system for doubly fed induction wind turbine (DFIG) is very important for the transient stability of wind farm and power system. Due to the special connection between DFIG and power grid, (DFIG) is extremely sensitive to the disturbance of power grid. Based on this, the crowbar resistance protection scheme is selected in the low voltage ride through design of DFIG. Under the three-phase symmetrical voltage disturbance, the dynamic performance of DFIG system with or without crowbar is compared and analyzed. Through the detailed observation of DFIG system parameters, the effectiveness of the scheme is verified. The modeling and simulation of this work uses Matlab/Simulink software. It is found that when the Active IGBT crowbar circuit is connected, the DFIG system is stable in a short time.

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2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)

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