在风能太阳能配电网中加强故障保护协调,利用改进的基于超球性搜索的优化
Shanti Swarup Rath1, Prakash K Ray2, Gayadhar Panda3
1Department of Electrical Engineering, NIT Meghalaya, Meghalaya, India.
Scientific reports
|October 1, 2025
概括
一个改进的超球形搜索算法 (IHSSA) 优化了可再生能源 (RES) 的电力系统中的保护继电器协调. IHSSA通过减少故障清理时间和改善协调空间,提高了系统的可靠性和弹性.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 优化算法 优化算法
背景情况:
- 将可再生能源整合到配电网络中,由于可变故障电流和动态条件,使保护中继协调复杂化.
- 传统的方法难以应对现代,以可再生能源为主导的电网的复杂性.
研究的目的:
- 引入和评估一个改进的超球性搜索算法 (IHSSA),以在集成可再生能源 (RES) 的电力系统中实现最佳的继电协调.
- 在动态和高维优化场景中提高保护继电器协调算法的准确性和效率.
主要方法:
- 通过将动态调整机制集成到传统的超球寻找适应性勘探-开采平衡中,开发了IHSSA.
- 评估了IHSSA对220/6.6千伏变电站模型的性能,其中包括混合风能太阳能配电网 (10个料器,5个可再生发电机).
- 使用实时硬件在循环 (HIL) 设置与OPAL-RT OP5600和IEC 61,850兼容继电器验证了算法的实际可行性.
主要成果:
- 与粒子群优化 (PSO) 和遗传算法 (GA) 相比,IHSSA表现出更高的性能.
- 在极端故障条件下实现了18%的继电器运行时间缩短和15%的协调边际改善.
- 降低故障清理解决时间至120毫秒,展示了对可再生能源间歇性的改进适应.
结论:
- IHSSA提供了一个强大,适应性和可扩展的解决方案,用于可再生能源主导的分布系统中的保护协调.
- 拟议的方法显著提高了系统可靠性和运营弹性.
- 实时HIL验证证实了IHSSA在现代电网中的实际应用.
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