计及虚拟电厂市场交易的主动配电网两阶段优化调度

doi:10.12204/j.issn.1000-7229.2021.09.003

电力建设 ›› 2021, Vol. 42 ›› Issue (9): 22-31.doi: 10.12204/j.issn.1000-7229.2021.09.003

• 综合多元能源及信息技术的能源互联网规划与运行·栏目主持刘洋副教授、韩富佳博士· • 上一篇下一篇

计及虚拟电厂市场交易的主动配电网两阶段优化调度

邓靖微¹, 李华强¹, 温丰瑞², 王俊翔¹, 谢康胜¹, 金智博¹

1.智能电网四川省重点实验室(四川大学),成都市 610065
2.国网四川省电力有限公司眉山供电公司,四川省眉山市 620010

收稿日期:2021-02-02 出版日期:2021-09-01 发布日期:2021-09-02
通讯作者: 李华强
作者简介:邓靖微(1996),女,硕士研究生,研究方向为配电网优化运行|温丰瑞(1995),女,硕士,主要研究方向为储能系统优化配置|王俊翔(1995),男,硕士研究生,研究方向为微电网优化运行|谢康胜(1996),男,硕士研究生,研究方向为配电网规划|金智博(1996),男,硕士研究生,研究方向为电力系统灵活性。
基金资助:
国网四川省电力公司科技项目“面向商业化推广的综合能源服务市场运营关键技术研究”(52199619000J)

Two-Stage Optimal Dispatching of Active Distribution Network Considering Virtual Power Plant Market Transaction

DENG Jingwei¹, LI Huaqiang¹, WEN Fengrui², WANG Junxiang¹, XIE Kangsheng¹, JIN Zhibo¹

1. Intelligent Electric Power Grid Key Laboratory of Sichuan Province(Sichuan University), Chengdu 610065, China
2. State Grid Meishan Electric Power Supply Company, Meishan 620010, Sichuan Province, China

Received:2021-02-02 Online:2021-09-01 Published:2021-09-02
Contact: LI Huaqiang
Supported by:
“Study on Market Operating Key Technologies of Integrated Energy Services for Commercial Promotion”of State Grid Sichuan Electric Power Company(52199619000J)

摘要/Abstract

摘要：

目前,虚拟电厂与主动配电网的耦合联系进一步加深,针对含有虚拟电厂市场主体的主动配电网优化调度问题,有必要研究系统内多种灵活性资源与虚拟电厂中不确定性因素在不同时间阶段的协调互动。以主动配电网综合成本最小化和虚拟电厂市场收益最大化为目标,提出一种计及虚拟电厂市场交易的主动配电网日前-实时两阶段调度方法。日前阶段,基于系统灵活性边界,构建了综合考虑网侧灵活性资源协调调度和虚拟电厂日前出清的双层优化模型;在此基础上,实时调整虚拟电厂竞标方案和主动配电网运行策略。最后,在改进IEEE 33节点系统中进行仿真试验,结果表明:所提模型可以有效提升虚拟电厂交易竞争力和配电网运行灵活性水平,可为未来电网市场化发展下的优化调度提供参考。

关键词: 主动配电网, 虚拟电厂, 电力市场, 两阶段调度

Abstract:

At present, the coupling of virtual power plant (VPP) and active distribution network (ADN) has been further deepened. Aiming at the optimal dispatching problem of ADN with VPP as a market participant, it is necessary to study the coordinated interaction between various flexible resources in ADN and uncertainty factors in VPP in different time stages. On this basis, with the goal of minimizing the comprehensive cost of ADN and maximizing the market revenue of VPP, a two-stage dispatching method for ADN considering VPP transaction is proposed. In the day-ahead stage, according to the flexibility boundary of the system, a bi-level optimization model is established considering the dispatching of flexible resources in ADN and day-ahead clearing of the VPP. On this basis, the bidding scheme of VPP and the operation strategy of ADN are adjusted in real time. Finally, an improved IEEE 33-node system is taken as an example for simulation analysis, and the results show that the proposed model can improve the market competitiveness of VPP and the operational flexibility of distribution networks both, which provides a reference for optimal dispatching under the future marketization development of power grid.

Key words: active distribution network, virtual power plant, power market, two-stage dispatching

中图分类号:

TM73

邓靖微, 李华强, 温丰瑞, 王俊翔, 谢康胜, 金智博. 计及虚拟电厂市场交易的主动配电网两阶段优化调度[J]. 电力建设, 2021, 42(9): 22-31.

DENG Jingwei, LI Huaqiang, WEN Fengrui, WANG Junxiang, XIE Kangsheng, JIN Zhibo. Two-Stage Optimal Dispatching of Active Distribution Network Considering Virtual Power Plant Market Transaction[J]. ELECTRIC POWER CONSTRUCTION, 2021, 42(9): 22-31.

图/表 14

图1 含虚拟电厂的主动配电网两阶段调度框架

Fig.1 Framework of two-stage ADN dispatch including VPP

图A1 内嵌随机潮流的粒子群算法流程

Fig.A1 Flowchart of PSO with stochastic power flow embedded

图2 两阶段调度模型求解流程

Fig.2 Flow chart of the two-stage dispatching model solution

图3 改进IEEE 33算例系统

Fig.3 Improved IEEE 33-node system

图A2 光伏和负荷日前预测曲线

Fig.A2 Day-ahead forecasting curve of PV and load

表A1 各场景概率

Table A1 Probability of scenes

表A2 各项设备参数

Table A2 Related equipment parameters

表A3 成本系数取值

Table A3 Cost coefficient values

图4 ESS1实时调度计划

Fig.4 Real-time dispatching of ESS1

图5 主动配电网各时段各节点电压幅值

Fig.5 Voltage profile at each node in each time period of ADN

表A4 OLTC分接开关位置、联络和分段开关位置日调度计划

Table A4 Dispatching of on-load tap changer position, tie and sectionalized switch position

图6 VPP日前和实时市场交易情况

Fig.6 Electricity transaction of VPP in day-ahead market and real-time market

图A3 虚拟电厂各单元出力

Fig.A3 Output of each unit of VPP

表1 不同调度方案的各项指标值

Table 1 Indicator values of different dispatching schemes 元

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计及虚拟电厂市场交易的主动配电网两阶段优化调度

Two-Stage Optimal Dispatching of Active Distribution Network Considering Virtual Power Plant Market Transaction

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