Voltage Stability Control for DC Microgrid With Energy Storage

被引：0
|
作者：
He, Xingtang [1 ]
Ji, Hongpeng [1 ]
Song, Yuanyuan [1 ]
Song, Genxin [1 ]
Cai, Hangyi [1 ]
Mi, Yang [1 ]
机构：
[1] Shanghai Univ Elect Power, Shanghai 200090, Peoples R China
来源：
2017 IEEE CONFERENCE ON ENERGY INTERNET AND ENERGY SYSTEM INTEGRATION (EI2) | 2017年
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
adaptive droop control; bus voltage; DC microgrid; energy storage; SYSTEM; MANAGEMENT;
D O I：
暂无
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：
In order to maintain the bus voltage stability of isolated DC microgrid, it is necessary to configure the energy storage system (ESS) to realize the balance of energy supply and demand. When there are multiple energy storage units (ESUs) in the dc microgrid, the overcharge or over discharge is avoided. Therefore, a new adaptive droop control is proposed according to the state of charge (SOC). Once the ESS is out of work due to fault or fully charged, the renewable energy source needs to switch from the maximum power point tracking (MPPT) mode to the droop control mode. Meanwhile, the demand side power is distributed automatically by renewable energy source according to its maximum output power, which can assure the bus voltage stability. The proposed strategy can be verified through real time digital simulator (RTDS) in an isolated DC microgrid.
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页数：6
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