Multi-Sources Coordinated Dispatch for Multi-Time Scale Isolated Grid Based on Model Predictive Control

doi:10.3969/j.issn.1008- 0198.2023.05.004

Hunan Electric Power ›› 2023, Vol. 43 ›› Issue (5): 23-30.doi: 10.3969/j.issn.1008- 0198.2023.05.004

• Special Column of Key Technologies for Active Support Control and Optimal Operation for New Power Systems With Power Electronics • Previous Articles Next Articles

Multi-Sources Coordinated Dispatch for Multi-Time Scale Isolated Grid Based on Model Predictive Control

DU Shanzhou^1,2, HUANG Yongbo^1,2, JIAN Yunfeng¹, XU Jing^1,2, SONG Xiaoyu³, YUAN Liang³

1. Shenhua Zhungeer Energy Co., Ltd., Ordos 010300,China;
2. China Shenhua Energy Co., Ltd.,Haerwusu Open-Pit Coal Mine, Ordos 017100,China;
3. School of Automation, Central South University, Changsha 410083,China

Received:2023-07-20 Revised:2023-08-14 Online:2023-10-25 Published:2023-11-03

Abstract

Abstract: With the development of renewable energy and energy storage technology, there are heterogeneous power sources of multiple energy in the isolated power grid. The randomness and fluctuation of renewable energy bring great challenges to the safe and economic operation of the system. Aiming at the coordinated control of the sources in the isolated power grid, a multi-time scale collaborative optimization strategy of multi-source for isolated power grids based on model predictive control is proposed. A multi-time scale dispatch model of day-ahead, intra-day, real time is constructed to achieve forward-looking and step-by-step regulation of the sources in the isolated grid. A hybrid particle swarm optimization algorithm is used to solve the problem containing continuous variables and binary variables. The proposed model is applied to two isolated systems, through which the feasibility and effectiveness of the proposed method on ensuring the safe and economic operation of the system are proved.

Key words: isolated grid, heterogeneous power sources, cordinated control of multi-sources, multi-time scale, model predictive control

CLC Number:

TM731

DU Shanzhou, HUANG Yongbo, JIAN Yunfeng, XU Jing, SONG Xiaoyu, YUAN Liang. Multi-Sources Coordinated Dispatch for Multi-Time Scale Isolated Grid Based on Model Predictive Control[J]. Hunan Electric Power, 2023, 43(5): 23-30.

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Multi-Sources Coordinated Dispatch for Multi-Time Scale Isolated Grid Based on Model Predictive Control

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