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Content Provider | IET Digital Library |
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Author | Tang, Jinrui Cai, Defu Yuan, Chengqing Qiu, Yuanchao Deng, Xiangtian Huang, Yunhui |
Abstract | Due to the power mismatches between residential load and rooftop residential photovoltaic (PV) generation, voltage profile of low-voltage distribution system (LVDN) may exceed the allowable limit during the daytime and is well below the lower limit at night. To solve this problem, an optimal configuration of battery energy storage (BES) systems is used for rooftop residential PV to improve the voltage profile of LVDN. Firstly, typical curves of residential electric load and PV generation are analysed to demonstrate the principle of integrated voltage regulation method. Secondly, two-stage voltage regulation strategy is proposed to minimise the installed capacity of BES. More specifically, to limit the voltage with reasonable level, the reactive power capability of PV inverter can be utilised in inner stage, and BES is used in outer stage in term of storage charging at off-peak time and discharging at the peak time. Finally, optimal configuration model is achieved by combining the two-stage voltage control method and the constraint condition of total reduced PV generation. Simulation results indicate that the voltage level in LVDN could be controlled in a proper range by the proposed optimal configuration scheme and the total installed capacity of BES is the minimum. |
Starting Page | 728 |
Ending Page | 732 |
Page Count | 5 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 16, Mar (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8386 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2018-10-01 |
Access Restriction | Open |
Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
Subject Keyword | Battery Energy Storage System Battery Storage Plants BES System Building Integrated Photovoltaics Control of Electric Power System Distributed Network Distributed Power Generation Distribution Network Integrated Voltage Regulation Method Invertors Low-voltage Distribution System LVDN Optimal Configuration Model Photovoltaic Power System Power Distribution Control Power Generation Control Power System Control PV Inverter Reactive Power Reactive Power Capability Residential Electric Load Rooftop Residential Photovoltaic Generation Rooftop Residential PV Generation Solar Power Stations Two-stage Voltage Control Method Two-stage Voltage Regulation Strategy Voltage Control |
Content Type | Text |
Resource Type | Article |
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