Battery Energy Storage System Planning Model of Micro Grid Based on Improved Harmony Search Algorithm

doi:10.3969/j.issn.1000-7229.2015.10.004

Abstract

Abstract:

In independent micro grid, ensuring energy supply and demand balance, as well as enough system backup is very important to meet customer demand and maintain the secure operation of micro grid. So battery energy storage system （BESS） is indispensable. However, due to the high cost of BESS at the present stage, the reasonable planning is necessary for deciding the optimal system scale. Based on this, this paper firstly constructs the planning objective function of BESS for independent micro grid, and presented constraint conditions from the aspects of supply and demand balance, as well as reserve requirements. Then, the optimal planning of the installation year, rated power and capacity of BESS is carried out by improved harmony search algorithm. Finally, the effectiveness of proposed model and algorithm will be verified through three different kinds of micro grid operating scenes.

Key words: micro grid, battery energy storage system, optimal rated power, optimal capacity, harmony search algorithm

CLC Number:

TM 727

ZENG Ming, DUAN Jinhui, SUN Jinghui. Battery Energy Storage System Planning Model of Micro Grid Based on Improved Harmony Search Algorithm[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(10): 27-33.

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