Frequency control in isolated island by using parallel operated battery systems applying H∞ control theory based on droop characteristics

被引：97

作者：

Goya, T. ^{[1
]}

Omine, E. ^{[1
]}

Kinjyo, Y. ^{[1
]}

Senjyu, T. ^{[1
]}

Yona, A. ^{[1
]}

Urasaki, N. ^{[1
]}

Funabashi, T. ^{[2
]}

机构：

[1] Univ Ryukyus, Fac Engn, Nakagami, Okinawa 9030213, Japan

[2] Meidensha Corp, Shinagawa Ku, Tokyo 1416029, Japan

来源：

IET RENEWABLE POWER GENERATION | 2011年 / 5卷 / 02期

关键词：

INVERTERS;

D O I：

10.1049/iet-rpg.2010.0083

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

Stand-alone ac power supply system such as isolated islands is subject to large frequency and voltage fluctuations caused by power deviations of wind turbine generator and load demand. The autonomous decentralised frequency control system of parallel operated decentralised generators based on droop characteristic is presented in this study. The conventional droop control methods proposed in past researches show slow and oscillating dynamic responses. Moreover, the conventional droop control is affected by measurement noise when the fast controllability of the system is emphasised. This study proposes the improved droop control system for load sharing of multi-operated decentralised generators by applying H-infinity control theory, improving transient response of droop control and robustness against measurement noise and parameter variations. Simulation results validate the effectiveness of the proposed control system.

引用

页码：160 / 166

页数：7

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