Frequency control by wide-area dispatching of short-term supply-demand imbalance in multi-area power system with a large penetration of renewable energy

Journal of International Council on Electrical Engineering

Akihiko Yokoyama¹  Keita Sugimoto¹  Takeshi Nishimura²  Tadashi Mochida²  Nobuyuki Kitagishi² 

[1] Graduate School of Frontier Science, The University of Tokyo;Tokyo Gas Co., Ltd.;

关键词: Interconnected power system;    frequency;    load frequency control (LFC);    renewable energy;    tie line;    wind power generation;   

DOI  :  10.1080/22348972.2017.1324269

来源: DOAJ

【 摘 要 】

Recently, a lot of distributed generations such as WT (Wind Power Generation) have been installed into power systems. However, the output of these generations is so unstable that the frequency fluctuation will increase. This paper aims at solving the short-term supply-demand imbalance in an area where a large amount of renewable energy has been introduced and proposes a new method of dispatching the fluctuations of renewable energy based power to another area through a tie line. For the frequency analysis, we use the two-area interconnected power system model with a large amount of WT. It was made clear that without the proposed control, the unexpected power flow deviation through the tie line is very large, however, the proposed control method can suppress such deviation effectively. It was also shown in this paper that the proposed method is effective in the frequency control with a large integration of renewable energy into grid.

【 授权许可】

Unknown