摘要
针对含分布式电源的微电网系统的运行特点和故障特性分析,结合TT、TN以及IT等常用接地方式的优缺点,本文对比分析不同接地方式对微电网系统故障电压、电流和电流保护灵敏性的影响,给出了含分布式电源的微电网的接地方式选择,提高系统的安全性和稳定性。
For the microgrid systems with distributed power supply, this paper analyzes the characteristics of the system operation and the possible fault simultaneously. By combining the commonly used types of TT, TN, IT, the impacts of different types on the fault voltage, current and current protection sensitivity of the microgrid systems are given, which benefits to the selection of grounding methods for the microgrid systems, especially in the aspects of the security and stability.
作者
苏艳霞
袁世博
白旭东
苏子钰
张伟琦
Su Yanxia;Yuan Shibo;Bai Xudong;Su Ziyu;Zhang Weiqi(Baidu,Beijing 100085,China;School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China;Aviation University of Air Force,Changchun 130012,China)
出处
《智能建筑电气技术》
2022年第5期50-52,共3页
Electrical Technology of Intelligent Buildings
关键词
分布式电源
微电网
接地方式
接地保护
distributed power supply
microgrid system
grounding
grounding protection
