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Energies 2018, 11(4), 959; https://doi.org/10.3390/en11040959

Collaborative Optimal Pricing and Day-Ahead and Intra-Day Integrative Dispatch of the Active Distribution Network with Multi-Type Active Loads

1
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2
Power Dispatching Control Center of Guangxi Power Grid, Nanning 530023, China
*
Author to whom correspondence should be addressed.
Received: 14 March 2018 / Revised: 10 April 2018 / Accepted: 15 April 2018 / Published: 17 April 2018
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

In order to better handle the new features that emerge at both ends of supply and demand, new measures are constantly being introduced, such as demand-side management (DSM) and prediction of uncertain output and load. However, the existing DSM strategies, like real-time price (RTP), and dispatch methods are optimized separately, and response models of active loads, such as the interruptible load (IL), are still imperfect, which make it difficult for the active distribution network (ADN) to achieve global optimal operation. Therefore, to better manage active loads, the response characteristics including both the response time and the responsibility and compensation model of IL for cluster users, and the real-time demand response model for price based load, were analyzed and established. Then, a collaborative optimization strategy of RTP and optimal dispatch of ADN was proposed, which can realize an economical operation based on mutual benefit and win-win mode of supply and demand sides. Finally, the day-ahead and intra-day integrative dispatch model using different time-scale prediction data was established, which can achieve longer-term optimization while reducing the impact of prediction errors on the dispatch results. With numerical simulations, the effectiveness and superiority of the proposed strategy were verified. View Full-Text
Keywords: real-time price; interruptible load; response time; demand response model; multi-type active loads; active distribution network; day-ahead; intra-day; integrative dispatch real-time price; interruptible load; response time; demand response model; multi-type active loads; active distribution network; day-ahead; intra-day; integrative dispatch
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Chen, C.; Zhou, X.; Yang, X.; He, Z.; Li, Z.; Li, Z.; Lin, X.; Wen, T.; Zhuo, Y.; Tong, N. Collaborative Optimal Pricing and Day-Ahead and Intra-Day Integrative Dispatch of the Active Distribution Network with Multi-Type Active Loads. Energies 2018, 11, 959.

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