甩负荷
微电网
定时器
电压
可靠性(半导体)
功率(物理)
计算机科学
工程类
控制理论(社会学)
电气工程
电力系统
控制(管理)
物理
量子力学
人工智能
微控制器
作者
Jafar Mohammadi,Firouz Badrkhani Ajaei
标识
DOI:10.1109/icps.2019.8733371
摘要
This paper investigates and compares the performances of three different load shedding schemes in a direct current (DC) microgrid. Comprehensive time-domain simulation studies are conducted on a realistic DC microgrid study system using the PSCAD/EMTDC software. The study results indicate that (i) application of both voltage-based and timer-based load shedding schemes necessitates making a compromise between the voltage regulation performance and the power supply reliability, (ii) the voltage-based load shedding scheme may cause the critical loads to experience large and prolonged voltage sags (iii) the timer-based load shedding scheme may cause over-shedding of loads, which degrades the power supply reliability, and (iv) the combined load shedding scheme resolves the voltage sag issues of the voltage-based and timer-based schemes and also prevents over-shedding.
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