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Content Provider | IET Digital Library |
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Author | Lei, Jiazhi Gong, Qingwu Gao, David Wenzhong Wang, Baohua Guan, Xiangyu |
Abstract | This study aims at specifying the operational risk assessment of active distribution networks (ADNs). Correspondingly, an operational risk assessment model based on point estimate method (PEM) considering probabilistic uncertainties of distributed generators-loads and power management of vanadium redox flow battery (VRB) energy storage systems (ESSs) was proposed. The probabilistic uncertainties of distributed generators and loads growth are mathematically modelled and discretised by PEM. Also, the distributed VRB ESSs are maximally used for the consumption of renewable energy and power supply of loads by the power management of VRB ESSs. The risk assessment indexes of expected energy not supplied and severity index for ADNs are constructed and the 2m + 1 PEM was used for the calculation. Finally, the case studies verified the effectiveness of PEM as the relative error is less than 1.75% and the excellent advantage on fast calculation. In addition, both the power management of distributed VRB ESSs and the dispersion of DGs or VRB ESSs have a significant influence on the operational risk assessment of ADNs. |
Starting Page | 1764 |
Ending Page | 1771 |
Page Count | 8 |
ISSN | 17521416 |
Volume Number | 14 |
e-ISSN | 17521424 |
Issue Number | Issue 10, Jul (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/14/10 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2019.1362 |
Journal | IET Renewable Power Generation |
Publisher Date | 2020-04-17 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Active Distribution Network ADNs Distributed Generators-loads Distributed Power Generation Distributed VRB ESSs Distribution Network Energy Storage Flow Batteries Load Growth Operation Risk Assessment Operational Risk Assessment Model Optimisation Technique PEM Power Management Probabilistic Uncertainties Probability Renewable Energy Risk Assessment Indexes Risk Management Secondary Cell Size 2.0 M Statistics Vanadium Vanadium Redox Flow Battery Energy Storage System |
Content Type | Text |
Resource Type | Article |
Subject | Renewable Energy, Sustainability and the Environment |
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