Research on power control strategy of household-level electric power router based on hybrid energy storage droop control

被引：0

作者：

Kun Huang

Yanman Li

Xiaoyan Zhang

Lei Liu

Yanbin Zhu

Xin Meng

机构：

[1] NARI Technology Development Co.,School of Physics

[2] Ltd,Key Laboratory of Smart Grid of Ministry of Education

[3] Nari Group Corporation/State Grid Electric Power Research Institute,undefined

[4] University of Oxford,undefined

[5] Tianjin University,undefined

来源：

Protection and Control of Modern Power Systems | 2021年 / 6卷

关键词：

Household-level electric power router; Hybrid energy storage; Droop control; On-grid mode; Off-grid mode;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the light of user-side energy power control requirements, a power control strategy for a household-level EPR based on HES droop control is proposed, focusing on the on-grid, off-grid and seamless switching process. The system operating states are divided based on the DC bus voltage information with one converter used as a slack terminal to stabilize the DC bus voltage and the other converters as power terminals. In the on-grid mode, the GCC and the HES are used as the main control unit to achieve on-grid stable operation, whereas in the off-grid mode, the PV, HES and LC are used as the main control unit at different voltages to achieve stable operation of the island network. Finally, a DC MG system based on a household-level EPR is developed using the PSCAD / EMTDC simulation platform and the results show that the control strategy can effectively adjust the output of each subunit and maintain the stability of the DC bus voltage.

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