Research on Unit Commitment Considering Steady State Frequency Constraints of Isolated Grids with High Permeability Wind Power

YE Jing; LIN Tao; XU Xialing; SHENG Yibiao

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Research on Unit Commitment Considering Steady State Frequency Constraints of Isolated Grids with High Permeability Wind Power

更新时间：2025-12-08

- Research on Unit Commitment Considering Steady State Frequency Constraints of Isolated Grids with High Permeability Wind Power
- Vol. 44, Issue 4, Pages: 1311-1318(2018)
- 作者机构：
  
  1. 武汉大学电气工程学院
  2. 太阳能高效利用湖北省协同创新中心
  3. 华中电力调控分中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：10 May 2018，
  
  Published：2018
- 稿件说明：
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YE Jing, LIN Tao, XU Xialing, et al. Research on Unit Commitment Considering Steady State Frequency Constraints of Isolated Grids with High Permeability Wind Power[J]. 2018, 44(4): 1311-1318.
DOI：

YE Jing, LIN Tao, XU Xialing, et al. Research on Unit Commitment Considering Steady State Frequency Constraints of Isolated Grids with High Permeability Wind Power[J]. 2018, 44(4): 1311-1318. DOI：

摘要

孤立电网具有各次备用容量小、自平衡能力差的特点。为了提高风能的利用率

在保障稳态频率约束的前提下

采用综合利用一、二次备用的方法。提出了考虑稳态频率约束的系统最大可调备用容量的概念

建立了考虑稳态频率约束的机组组合优化模型。以常规机组发电成本最小和系统消纳风能最大为多目标

并通过扩展ε约束法对模型进行求解。改造后含高渗透率风电的孤立电网10机系统的计算结果表明

所提模型通过有效利用系统中各次备用

在满足系统稳态频率约束的同时

有较好的经济性以及风电的消纳能力。

Abstract

An isolated power grid has a small reserve.In order to increase the permeability of wind power

we proposed a concept of the maximum adjustable reserve capacity considering the steady-state frequency constraint

and established a unit commitment model considering steady state frequency constraints.Minimizing the fuel cost and maximizing absorption of wind power were considered as objective functions

and the augmented-ε-constraint method was used to solve the multi-objective problem.The effectiveness

economic efficiency

and energy conservation of the proposed model are verified on an isolated power grid of ten-generators.Case analysis of an isolated power gird verifies the effectiveness

economic efficiency

and energy conservation of the proposed model.

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