Open AccessAn energy management model for isolated microgrid community considering operation flexibility
Author(s) -
Zhichao Ren,
Xi Wang,
Qiang Ye,
Chao Cheng,
Huaqiang Li,
Zhiwen Zhang
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/467/1/012107
Subject(s) - microgrid , renewable energy , flexibility (engineering) , energy management , computer science , lexicographical order , energy management system , reliability engineering , energy (signal processing) , mathematical optimization , engineering , economics , electrical engineering , mathematics , statistics , management , combinatorics
The isolated microgrids adjacent to each other form an isolated microgrid community, which can realize optimal resource allocation among microgrids with different source-load characteristics through energy sharing, thereby improving the economical, reliability and renewable energy utilization of regional power system operation. Aiming at the energy management problem of the isolated microgrid community, based on the multi-agent system, a hierarchical energy management architecture of the isolated microgrid community was established. On this basis, the flexibility index is introduced to evaluate the impact of renewable energy output uncertainty on system operation. A multi-objective optimization energy management strategy as well as a community layer energy allocation strategy is constructed. The linearized model is solved by the tolerant lexicographic method. Finally, an isolated microgrid community consisting of four microgrids is taken as an example to verify the effectiveness of the proposed energy management strategy.