A Novel Decentralized Economic Operation in Islanded AC Microgrids

被引：26
作者：
Han, Hua [1 ]
Li, Lang [1 ]
Wang, Lina [2 ]
Su, Mei [1 ]
Zhao, Yue [3 ]
Guerrero, Josep M. [4 ]
机构：
[1] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China
[3] Univ Arkansas, Dept Elect Engn, Fayetteville, AR 72701 USA
[4] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark
来源：
ENERGIES | 2017年 / 10卷 / 06期
基金：
中国国家自然科学基金;
关键词：
droop control; economic operation; microgrids (MGs); nonlinear droop; DROOP-CONTROLLED INVERTERS; ENERGY MANAGEMENT; AUTONOMOUS OPERATION; STABILITY; ALGORITHM; SYSTEM;
D O I：
10.3390/en10060804
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Droop schemes are usually applied to the control of distributed generators (DGs) in microgrids (MGs) to realize proportional power sharing. The objective might, however, not suit MGs well for economic reasons. Addressing that issue, this paper proposes an alternative droop scheme for reducing the total active generation costs (TAGC). Optimal economic operation, DGs' capacity limitations and system stability are fully considered basing on DGs' generation costs. The proposed scheme utilizes the frequency as a carrier to realize the decentralized economic operation of MGs without communication links. Moreover, a fitting method is applied to balance DGs' synchronous operation and economy. The effectiveness and performance of the proposed scheme are verified through simulations and experiments.
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收藏
页数：18
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