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 A thorough comparison of optimization-based and stochastic methods for determining hosting capacity of low voltage distribution network
Tác giả hoặc Nhóm tác giả: Le Hong Lam, Le Khoa Nam
Nơi đăng: Electrical Engineering; Số: 1;Từ->đến trang: 1-22;Năm: 2023
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
The large penetration of distributed energy resource (DER) into low voltage distribution network (LVDN), especially the rooftop solar photovoltaic system, is a matter of concern today. The number of DER in the LVDN increases quickly as a result of the government’s push to adopt renewable energy sources, causing many technical issues. Therefore, estimating the maximum capacity of DER that LVDN can absorb according to its limit is essential. This topic is called Hosting Capacity. Many methods to determine Hosting Capacity have been proposed in recent years, including Deterministic, Stochastic and Optimization. However, with the resolution of uncertain factors about load, location and size of (DGs), Stochastic and Optimization are more prestigious. This article focuses on comparing and evaluating the accuracy and effectiveness of these two methods when testing on an actual LVDN. Finally, by analyzing and comparing the effectiveness, advantage and disadvantage of the two proposed methods, this article helps distribution network operator (DNO) to determine the appropriate method to apply to an actual network. This not only assists DNO in planning long-term distribution network development but also supports the approval of DER connectivity
ABSTRACT
The large penetration of distributed energy resource (DER) into low voltage distribution network (LVDN), especially the rooftop solar photovoltaic system, is a matter of concern today. The number of DER in the LVDN increases quickly as a result of the government’s push to adopt renewable energy sources, causing many technical issues. Therefore, estimating the maximum capacity of DER that LVDN can absorb according to its limit is essential. This topic is called Hosting Capacity. Many methods to determine Hosting Capacity have been proposed in recent years, including Deterministic, Stochastic and Optimization. However, with the resolution of uncertain factors about load, location and size of (DGs), Stochastic and Optimization are more prestigious. This article focuses on comparing and evaluating the accuracy and effectiveness of these two methods when testing on an actual LVDN. Finally, by analyzing and comparing the effectiveness, advantage and disadvantage of the two proposed methods, this article helps distribution network operator (DNO) to determine the appropriate method to apply to an actual network. This not only assists DNO in planning long-term distribution network development but also supports the approval of DER connectivity
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