Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV
Photovoltaic (PV) power generation has highly penetrated in distribution networks, providing clean and sustainable energy. However, its uncertain and intermittent power outputs significantly impair network operation, leading to unexpected power loss and voltage fluctuation. To address the uncertaint...
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sg-ntu-dr.10356-1696602023-07-28T15:39:41Z Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV Li, Peishuai Wu, Zaijun Zhang, Cuo Xu, Yan Dong, Zhaoyang Hu, Minqiang School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Multi-Timescale Photovoltaic Photovoltaic (PV) power generation has highly penetrated in distribution networks, providing clean and sustainable energy. However, its uncertain and intermittent power outputs significantly impair network operation, leading to unexpected power loss and voltage fluctuation. To address the uncertainties, this paper proposes a multi-timescale affinely adjustable robust reactive power dispatch (MTAAR-RPD) method to reduce the network power losses as well as alleviate voltage deviations and fluctuations. The MTAAR-RPD aims to coordinate on-load tap changers (OLTCs), capacitor banks (CBs), and PV inverters through a three-stage structure which covers multiple timescales of 'hour-minute-second'. The first stage schedules CBs and OLTCs hourly while the second stage dispatches the base reactive power outputs of PV inverter every 15 min. The third stage affinely adjusts the inverter reactive power output based on an optimized Q-P droop controller in real time. The three stages are coordinately optimized by an affinely adjustable robust optimization method. A solution algorithm based on a cutting plane algorithm is developed to solve the optimization problem effectively. The proposed method is verified through theoretical analysis and numerical simulations. Published version This work was supported in part by the Scientific Research Foundation of Nanjing University of Science and Technology (No. AE89991/255), in part by Jiangsu Provincial Key Laboratory of Smart Grid Technology and Equipment Project, Southeast University, in part by the National Natural Science Founda‐ tion of China (No.51677025), and in part by the Science and Technology Proj‐ ect of State Grid Corporation (No. SGMD0000YXJS1900502). 2023-07-28T05:15:20Z 2023-07-28T05:15:20Z 2023 Journal Article Li, P., Wu, Z., Zhang, C., Xu, Y., Dong, Z. & Hu, M. (2023). Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV. Journal of Modern Power Systems and Clean Energy, 11(1), 324-334. https://dx.doi.org/10.35833/MPCE.2020.000624 2196-5625 https://hdl.handle.net/10356/169660 10.35833/MPCE.2020.000624 2-s2.0-85148079280 1 11 324 334 en Journal of Modern Power Systems and Clean Energy © 2023 The Author(s). Published by IEEE. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). application/pdf |
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Engineering::Electrical and electronic engineering Multi-Timescale Photovoltaic Li, Peishuai Wu, Zaijun Zhang, Cuo Xu, Yan Dong, Zhaoyang Hu, Minqiang Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV |
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Photovoltaic (PV) power generation has highly penetrated in distribution networks, providing clean and sustainable energy. However, its uncertain and intermittent power outputs significantly impair network operation, leading to unexpected power loss and voltage fluctuation. To address the uncertainties, this paper proposes a multi-timescale affinely adjustable robust reactive power dispatch (MTAAR-RPD) method to reduce the network power losses as well as alleviate voltage deviations and fluctuations. The MTAAR-RPD aims to coordinate on-load tap changers (OLTCs), capacitor banks (CBs), and PV inverters through a three-stage structure which covers multiple timescales of 'hour-minute-second'. The first stage schedules CBs and OLTCs hourly while the second stage dispatches the base reactive power outputs of PV inverter every 15 min. The third stage affinely adjusts the inverter reactive power output based on an optimized Q-P droop controller in real time. The three stages are coordinately optimized by an affinely adjustable robust optimization method. A solution algorithm based on a cutting plane algorithm is developed to solve the optimization problem effectively. The proposed method is verified through theoretical analysis and numerical simulations. |
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School of Electrical and Electronic Engineering |
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School of Electrical and Electronic Engineering Li, Peishuai Wu, Zaijun Zhang, Cuo Xu, Yan Dong, Zhaoyang Hu, Minqiang |
format |
Article |
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Li, Peishuai Wu, Zaijun Zhang, Cuo Xu, Yan Dong, Zhaoyang Hu, Minqiang |
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Li, Peishuai |
title |
Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV |
title_short |
Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV |
title_full |
Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV |
title_fullStr |
Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV |
title_full_unstemmed |
Multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of PV |
title_sort |
multi-timescale affinely adjustable robust reactive power dispatch of distribution networks integrated with high penetration of pv |
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2023 |
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https://hdl.handle.net/10356/169660 |
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1773551249316118528 |