Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode
Distributed energy storage (DES) on the user side has two commercial modes including peak load shaving and demand management as main profit modes to gain profits, and the capital recovery generally takes 8-9 years. In order to further improve the return rate on the investment of distributed energy s...
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doaj-dda07f89ee574bd4a98308569412c3b22021-03-30T14:49:33ZengIEEEIEEE Access2169-35362021-01-0198299831110.1109/ACCESS.2020.30472309306819Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit ModePeng Peng0Yongqi Li1Dinglin Li2Yuda Guan3Ping Yang4Zhenkai Hu5Zhuoli Zhao6https://orcid.org/0000-0003-2531-0614Dong Liu7https://orcid.org/0000-0003-3139-2708CSG Power Generation Company Ltd., Guangzhou, ChinaCSG Power Generation Company Ltd., Guangzhou, ChinaCSG Power Generation Company Ltd., Guangzhou, ChinaGuangdong Key Laboratory of Clean Energy Technology, South China University of Technology, Guangzhou, ChinaGuangdong Key Laboratory of Clean Energy Technology, South China University of Technology, Guangzhou, ChinaCSG Power Generation Company Ltd., Guangzhou, ChinaSchool of Automation, Guangdong University of Technology, Guangzhou, ChinaDepartment of Energy Technology, Aalborg University, Alborg, DenmarkDistributed energy storage (DES) on the user side has two commercial modes including peak load shaving and demand management as main profit modes to gain profits, and the capital recovery generally takes 8-9 years. In order to further improve the return rate on the investment of distributed energy storage, this paper proposes an optimized economic operation strategy of distributed energy storage with multi-profit mode operation. Considering three profit modes of distributed energy storage including demand management, peak-valley spread arbitrage and participating in demand response, a multi-profit model of distributed energy storage is established, and the proposed optimal operation strategy formulates three stages of the energy storage operation, namely month-ahead, day-ahead, and in-day. In the month-ahead optimization stage, the demand charge threshold of the next month is optimized to minimize the electricity cost. In the day-ahead optimization stage, under the constraint of demand charge threshold and with the goal of maximizing returns, the distributed energy storage is controlled to participate in peak-valley spread arbitrage and demand response, and the optimized output curve for the next day is calculated. In the in-day optimization stage, based on the optimized output curve, taking real-time demand response into account, the real-time charge-discharge power of energy storage is adjusted dynamically with the goal of minimizing income loss, thus to realize adaptive adjustment of distributed energy storage and eliminate the risk of income loss. Simulation results of distributed energy storage for typical industrial large users show that the proposed strategy can effectively improve the economic benefits of energy storage.https://ieeexplore.ieee.org/document/9306819/Distributed energy storagedemand managementdemand responsepeak-valley spread arbitragemulti-profit model |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Peng Peng Yongqi Li Dinglin Li Yuda Guan Ping Yang Zhenkai Hu Zhuoli Zhao Dong Liu |
spellingShingle |
Peng Peng Yongqi Li Dinglin Li Yuda Guan Ping Yang Zhenkai Hu Zhuoli Zhao Dong Liu Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode IEEE Access Distributed energy storage demand management demand response peak-valley spread arbitrage multi-profit model |
author_facet |
Peng Peng Yongqi Li Dinglin Li Yuda Guan Ping Yang Zhenkai Hu Zhuoli Zhao Dong Liu |
author_sort |
Peng Peng |
title |
Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode |
title_short |
Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode |
title_full |
Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode |
title_fullStr |
Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode |
title_full_unstemmed |
Optimized Economic Operation Strategy for Distributed Energy Storage With Multi-Profit Mode |
title_sort |
optimized economic operation strategy for distributed energy storage with multi-profit mode |
publisher |
IEEE |
series |
IEEE Access |
issn |
2169-3536 |
publishDate |
2021-01-01 |
description |
Distributed energy storage (DES) on the user side has two commercial modes including peak load shaving and demand management as main profit modes to gain profits, and the capital recovery generally takes 8-9 years. In order to further improve the return rate on the investment of distributed energy storage, this paper proposes an optimized economic operation strategy of distributed energy storage with multi-profit mode operation. Considering three profit modes of distributed energy storage including demand management, peak-valley spread arbitrage and participating in demand response, a multi-profit model of distributed energy storage is established, and the proposed optimal operation strategy formulates three stages of the energy storage operation, namely month-ahead, day-ahead, and in-day. In the month-ahead optimization stage, the demand charge threshold of the next month is optimized to minimize the electricity cost. In the day-ahead optimization stage, under the constraint of demand charge threshold and with the goal of maximizing returns, the distributed energy storage is controlled to participate in peak-valley spread arbitrage and demand response, and the optimized output curve for the next day is calculated. In the in-day optimization stage, based on the optimized output curve, taking real-time demand response into account, the real-time charge-discharge power of energy storage is adjusted dynamically with the goal of minimizing income loss, thus to realize adaptive adjustment of distributed energy storage and eliminate the risk of income loss. Simulation results of distributed energy storage for typical industrial large users show that the proposed strategy can effectively improve the economic benefits of energy storage. |
topic |
Distributed energy storage demand management demand response peak-valley spread arbitrage multi-profit model |
url |
https://ieeexplore.ieee.org/document/9306819/ |
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