电容器
储能电容器
高压直流电
电压源
控制器(灌溉)
电气工程
转换器
电压
网格
工程类
交流电源
计算机科学
直流电
电子工程
控制理论(社会学)
去耦电容器
控制(管理)
数学
农学
几何学
人工智能
生物
作者
Mirhamed Pourmirasghariyan,Mirsajed Pourmirasghariyan,Seyed Saeid Heidari Yazdi,Seyyed Yousef Mousazadeh Mousavi,Kumars Rouzbehi,G. B. Gharehpetian
标识
DOI:10.1109/pedstc57673.2023.10087051
摘要
The performance of Interline DC Power Flow Controllers (IDC-PFCs) in Voltage Source Converters (VSC)-based High Voltage Direct Current (HVDC) grids, can be affected due to different issues. The current limitation of HVDC lines, the voltage limitation of HVDC buses, and DC voltage of the IDC-PFC intermediary capacitor prevent effective and efficient operation of IDC-PFCs. In this paper, it is shown that this issue can be overcome by using a virtual capacitor in parallel with the IDC-PFC intermediary capacitor. Also, an energy control-based scheme is proposed for the operation of IDC-PFCs in VSC-HVDC grid. The benefits of using the virtual capacitor are: widening the operational area of the IDC-PFCs for the determined duty cycle and injecting more voltage in series to the interconnected HVDC line to control the related HVDC line current. The proposed solution is successfully evaluated on a CIGRE three-terminal VSC-HVDC grid which is modeled by linearized space-state equations.
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