Regional Power Grid Planning Method Considering Hydropower Transmission and Load Center Function Properties

Tongyan ZHANG; Fei TANG; Qingfen LIAO; Xin GAO

doi:10.12096/j.2096-4528.pgt.20119

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Regional Power Grid Planning Method Considering Hydropower Transmission and Load Center Function Properties

Energy Internet | 更新时间：2025-07-04

- Regional Power Grid Planning Method Considering Hydropower Transmission and Load Center Function Properties
- Power Generation Technology Vol. 42, Issue 6, Pages: 741-750(2021)
- 作者机构：
  
  武汉大学电气与自动化学院, 湖北省武汉市 430072
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(51977157)
- DOI：10.12096/j.2096-4528.pgt.20119
  CLC： TK79;TM715.3
- Received：26 March 2021，
  
  Published：31 December 2021
- 稿件说明：
移动端阅览
Tongyan ZHANG, Fei TANG, Qingfen LIAO, et al. Regional Power Grid Planning Method Considering Hydropower Transmission and Load Center Function Properties[J]. Power Generation Technology, 2021, 42(6): 741-750.
DOI：

Tongyan ZHANG, Fei TANG, Qingfen LIAO, et al. Regional Power Grid Planning Method Considering Hydropower Transmission and Load Center Function Properties[J]. Power Generation Technology, 2021, 42(6): 741-750. DOI： 10.12096/j.2096-4528.pgt.20119.

摘要

随着我国电力事业的迅速发展，我国的电网网架结构趋于复杂化。为促进网架结构的进一步优化，通过对实际电网的分析，提出电网具有水电外送、负荷中心这2个功能属性。针对不同功能属性的特性，提出一种考虑经济性、水电外送、负荷中心功能属性的区域电网规划方法，包含线路建设费用、线路运行费用、水电外送盈利、系统阻塞系数、短路电流罚函数等目标函数及相关约束条件。利用MATLAB和PSD-BPA联合仿真求解的方法，对具有高属性水电外送、中属性负荷中心的某区域电网进行实例分析，结果表明，考虑功能属性优化模型的网架结构指标更优，能有效促进水电外送消纳、降低负荷中心短路电流水平。

Abstract

With the rapid development of China's power industry

the power grid structure tends to be complicated. In order to further optimize the grid structure

through the analysis of the actual grid

this paper proposed that the power grid had two functional attributes of hydropower transmission and load center. According to the characteristics of different functional attributes

a regional power grid planning method was proposed

which considered economy

hydropower transmission and load center functional attributes. It included objective functions and related constraints such as line construction cost

line operation cost

hydropower transmission profit

system blocking coefficient

and short-circuit current penalty function. MATLAB and PSD-BPA joint simulation method were used to analyze a regional power grid with high-attributed hydropower transmission and medium-attributed load center. The results show that the grid structure index of the optimization model considering the functional attribute is better

which can effectively promote the consumption of hydropower transmission and reduce the short-circuit current level of the load center.

关键词

Keywords

references

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