针对多区域互联电力系统的新型混合LFC方案,考虑合减弱
Bing Wang1, Yinsheng Li2, Yuquan Chen1
1College of Energy and Electrical Engineering, Hohai University, Nanjing, 210000, CO, China.
Scientific reports
|September 10, 2024
概括
一个新的混合负载频率控制 (LFC) 方案通过为子区域分配不同的角色来简化多区域电力系统的控制. 这种方法提高了复杂电网的稳定性和性能.
科学领域:
- 电气工程 电气工程
- 控制系统理论 控制系统理论
- 电力系统分析 分析 分析
背景情况:
- 相互连接的电力系统面临的挑战是由于复杂的动态,保持稳定的频率和联网电力.
- 脱控制目标对于多区域系统中有效的负载频率控制 (LFC) 是至关重要的.
- 现有的LFC方案可能会与网络合和不确定的动态作斗争.
研究的目的:
- 为多区域互联电力系统提出混合LFC方案.
- 通过将区域划分为负责任和自由区来简化控制目标.
- 为自由区域开发一个集成的LFC控制器,解决网络合和干扰问题.
主要方法:
- 一个混合的LFC计划,将子区域划分为负责任和自由区域.
- 使用多玩家零和差分游戏设计一个合减弱基线控制器.
- 基于一般化整体观察器的干扰补偿控制器的开发.
- 严格证明集成控制器的最终均边界 (UUB) 稳定性.
主要成果:
- 拟议的混合LFC计划有效地将控制目标脱.
- 免费区的集成LFC控制器在复杂的网络条件下确保稳定性.
- 与现有方法相比,模拟显示在具有挑战性的操作模式中表现优越.
- 该L2-Gain条件和UUB稳定性被严格验证.
结论:
- 混合LFC方案为多区域电力系统的负载频率控制提供了强大而高效的方法.
- 集成控制器有效地管理网络合和干扰,增强系统稳定性.
- 这一战略为在互联电网中保持可靠的电力供应提供了重大进展.
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