低压行驶通过DFIGM的合作控制策略,基于改进的基于IGBT的活跃杆
Yu Zhang1,2, Kai Li2, Zhi Chen3
1School of Intelligent and Architectural Engineering, Harbin University, Harbin 150086, China.
Micromachines
|February 27, 2026
概括
本研究介绍了一种合作控制策略,用于双输电感应发电机-电机 (DFIGM) 系统,以提高低压故障通行 (LVRT) 性能. 该方法通过优化电流控制和使用主动杆来支持反应电源来提高电网稳定性.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 控制系统 控制系统
背景情况:
- 双输电感应发电机-电机 (DFIGM) 系统面临低压故障的挑战,影响电网稳定性.
- 现有的控制策略往往缺乏实际实施或在电网干扰期间缺乏足够的反应电源支持.
- 低压通行 (LVRT) 对DFIGM集成到电网至关重要.
研究的目的:
- 为DFIGM系统提出一个实际的合作控制策略,以提高LVRT能力.
- 将一个改进的电流反向跟踪控制 (CRTC) 与一个增强的基于IGBT的活跃杆集成.
- 在低压故障期间,在转子电压和电流约束下优化DFIGM性能.
主要方法:
- 开发了一个改进的当前反向跟踪控制 (CRTC) 方案.
- 实施了基于IGBT的增强型主动杆拓,用于反应电源支持.
- 优化了在LVRT期间考虑转子电压和电流限制的电流跟踪系数.
- 使用10兆瓦的DFIGM模型与传统的感应模拟控制 (IEC) 和标准杆结构进行了比较研究.
主要成果:
- 拟议的合作控制战略有效地抑制了负序列当前组件.
- 增强的活跃杆提供了至关重要的反应功率支持,减轻了波扭曲.
- 在共同合点 (PCC) 的功率质量得到了显著改善.
- 实验验证证了拟议方法相对于传统方法的可行性和有效性.
结论:
- 集成的CRTC和增强的活跃杆战略为DFIGM LVRT问题提供了切实可行的解决方案.
- 该方法在电压故障期间保持电网稳定性和电力质量方面表现出卓越的性能.
- 这种方法有助于DFIGM可靠地集成到现代电网中.
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