考虑输电阻塞盈余的输电网双层扩展规划模型

doi:10.12204/j.issn.1000-7229.2021.04.013

电力建设 ›› 2021, Vol. 42 ›› Issue (4): 113-120.doi: 10.12204/j.issn.1000-7229.2021.04.013

考虑输电阻塞盈余的输电网双层扩展规划模型

胥威汀¹, 杨宇玄¹, 周笑言², 刘旭娜¹, 陈一鸣¹, 刘友波³

1.国网四川省电力公司经济技术研究院,成都市 610041
2.国网天府新区供电公司,成都市 610000
3.四川大学电气工程学院,成都市 610065

收稿日期:2020-08-13 出版日期:2021-04-01 发布日期:2021-03-30
作者简介:胥威汀(1985),男,博士研究生,长期从事电网规划工作,主要研究电网规划建设投资策略等|杨宇玄(1992),男,硕士研究生,主要从事电网智能化规划工作|周笑言(1988),男,硕士研究生,长期从事电力输变电工程建设和信息化工作|刘旭娜(1986),女,博士,高级工程师,长期从事智能供配电系统规划研究工作|陈一鸣(1990),男,工程师,主要从事电网智能化规划、电动汽车充电设施规划工作|刘友波(1983),男,博士,副教授,研究方向为主动配电网规划与运行、复杂电力系统连锁故障风险评估及防御
基金资助:
国家重点研发计划项目(2018YFB0905200)

Two-Level Expansion Planning Model of Transmission Network Considering Transmission Congestion Surplus

XU Weiting¹, YANG Yuxuan¹, ZHOU Xiaoyan², LIU Xuna¹, CHEN Yiming¹, LIU Youbo³

1. Sichuan Electric Power Corporation Power Economic Research Institute,Chengdu 610041,China
2. State Grid Tianfu Power Supply Company,Chengdu 610000,China
3. School of Electrical Engineering,Sichuan University,Chengdu 610065,China

Received:2020-08-13 Online:2021-04-01 Published:2021-03-30
Supported by:
National Key Research and Development Program of China(2018YFB0905200)

摘要/Abstract

摘要：

电力市场的建立使发、输、配、售环节分离,电网规划将面临许多不确定的市场因素,电力市场环境下的输电网规划比传统输电网规划面临更多困难和挑战。文章提出了一种考虑电力交易信号的输电系统双层优化配置模型,上层模型主要考虑投资者的投资成本,下层模型则考虑线路阻塞下节点边际电价(locational margin price)数学模型,并以输电阻塞盈余为目标函数,以节点边际电价信号来引导输电系统扩展规划。针对动态差分进化算法收敛速度较慢的缺点,文章综合了不同更新策略的优势,提出了改进动态差分进化算法求解输电网规划模型。最后,以中国西部某 500/220 kV输电网络为例,仿真结果验证了模型和算法的有效性和可行性。

关键词: 阻塞盈余, 电力市场, 电力交易, 节点边际电价, 动态差分算法

Abstract:

Establishment of electricity market separates the links among generation, transmission, distribution and sales. The grid planning will face many uncertain market factors. The transmission grid planning in the electricity market faces more difficulties and challenges than the traditional transmission grid planning. This paper proposes a two-layer optimal configuration model of a transmission system that considers electricity trading signals. The upper model mainly considers the investment cost of investors, while the lower model considers the mathematical model of the node's marginal electricity price under line congestion, uses the transmission congestion surplus as the objective function, and uses the locational marginal electricity price to guide the transmission system expansion planning. Aiming at the shortcoming of the slow convergence speed of the dynamic differential evolution algorithm, this paper combines the advantages of different updating strategies and proposes an improved dynamic differential evolution algorithm to solve the transmission network planning model. Finally, taking a 500/220 kV transmission network in western China as an example, simulation results verify the effectiveness and feasibility of the model and algorithm.

Key words: congestion surplus, electricity market, electricity trading, locational marginal power price, dynamic differential evolution algorithm

中图分类号:

TM73

胥威汀, 杨宇玄, 周笑言, 刘旭娜, 陈一鸣, 刘友波. 考虑输电阻塞盈余的输电网双层扩展规划模型[J]. 电力建设, 2021, 42(4): 113-120.

XU Weiting, YANG Yuxuan, ZHOU Xiaoyan, LIU Xuna, CHEN Yiming, LIU Youbo. Two-Level Expansion Planning Model of Transmission Network Considering Transmission Congestion Surplus[J]. ELECTRIC POWER CONSTRUCTION, 2021, 42(4): 113-120.

图/表 11

图1 中国西部某500/220 kV电网拓扑

Fig.1 Topology of a 500/220 kV grid in western China

表1 发电机组相关参数

Table 1 Related parameters of the generators

表2 负荷相关参数

Table 2 Related parameters of the loads

表3 线路相关参数

Table 3 Related parameters of the transmission lines

表4 模型参数及算法参数

Table 4 Parameter values of model and IDDE algorithm

表5 输电线路优化配置结果

Table 5 Optimal allocation results of transmission lines

图2 输电线路规划结果

Fig.2 Planning results of transmission lines

图3 规划电网的节点边际电价

Fig.3 LMP of area grid in planning

表6 远期输电线路优化配置结果

Table 6 Optimal allocation results of transmission lines in further

表7 不同投资预算下输电线路优化结果

Table 7 Optimal results of transmission lines under different investment budget

图4 IDDE与IPSO算法对比

Fig.4 Comparison for IDDE and IPSO algorithms

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考虑输电阻塞盈余的输电网双层扩展规划模型

Two-Level Expansion Planning Model of Transmission Network Considering Transmission Congestion Surplus

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