基于云模型和MARCOS的VFTO干扰到二次侧线缆的区域评估研究
IEEE transactions on neural networks and learning systems
|October 27, 2023
概括
本研究涉及数字化电力系统中的电磁干扰. 一个新的云模型和MARCOS方法准确地评估了气体绝缘开关设备二级电缆的干扰,提高了变电站的效率.
科学领域:
- 电气工程 电气工程
- 电力系统 电力系统
- 电磁学 电磁学 电磁学 电磁学
背景情况:
- 动力二级设备的数字化需要准确的数值结果,以提高运行效率.
- 气体隔离开关设备 (GIS) 中的非常快速过渡过压 (VFTO) 构成电磁干扰 (EMI) 的挑战.
- 使用屏蔽的二次电缆,但接地阻力会产生潜在差异,导致干扰电流影响信号传输.
研究的目的:
- 为电力系统的二次侧线缆中电磁干扰提出全面的评估方法.
- 为了应对因土壤电阻,温度和湿度而导致的接地阻力变化的影响.
- 为了评估电缆布局和年龄对信号传输的影响.
主要方法:
- 开发一种混合评估方法,将云模型与替代品测量和根据妥协解决方案排名 (MARCOS) 结合起来.
- 将云模型集成到MARCOS中,使用云滴算法的贡献来克服量化困难.
- 通过对实际变电站条件和标准MARCOS方法进行比较来验证.
主要成果:
- 拟议的云模型-MARCOS方法有效地评估了GIS二级电缆中的电磁干扰.
- 该方法的有效性通过将其结果与现实世界变电站数据进行比较来确认.
- 该评估考虑了影响接地阻力和信号传输的因素.
结论:
- 新型云模型-MARCOS方法为评估电力系统二级电缆中VFTO诱导的EMI提供了有效和全面的方法.
- 该方法为优化变电站设计和运行提供了可靠的参考.
- 准确的EMI评估对于在日益数字化的电力基础设施中保持信号完整性至关重要.
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