计及DG与多元化负荷的配电网供电能力裕度问题研究

doi:10.16628/j.cnki.2095-8188.2021.06.017

摘要/Abstract

摘要：

为了解决光伏发电、水力发电等分布式电源,以及电动汽车、储能元件等多元化负荷接入配电网后对其供电能力及裕度的影响,首先建立了配电网最大供电能力及裕度模型,明确其目标函数及约束条件;然后基于分布式电源与多元化负荷对配电网供电能力的影响,建立了计及分布式电源与多元化负荷的配电网最大供电能力及裕度模型;最后采用简化粒子群算法开展计算。经过一个实际配电网的应用,证明了所提算法能够很好地为分布式电源及多元化负荷接入电网提供参考,具有优化性与有效性,并为低碳绿色电网工作的推进奠定扎实的基础。

关键词: 配电网, 供电能力, 裕度, 分布式电源, 多元化负荷

Abstract:

In order to solve the impact of distributed power sources such as photovoltaic power generation and hydroelectric power generation,as well as diversified loads such as electric vehicles and energy storage components on their power supply capacity and margin after they are connected to the distribution network,firstly,the maximum power supply capacity and margin model of the distribution network is established,and its objective function and constraint conditions are defined.Then,based on the influence of distributed power supply and diversified load on the power supply capacity of the distribution network,the maximum power supply capacity and margin model of the distribution network considering distributed power supply and diversified load is established.Finally,the simplified particle swarm optimization algorithm is used to carry out the calculation.Through a practical distribution network application,it is proved that the algorithm can provide a good reference for distributed power supply and diversified load access network,has the optimization and effectiveness,and lays a solid foundation for the promotion of low-carbon and green power grid work.

Key words: distribution network, power supply capacity, margin, distributed generation(DG), diversified load

中图分类号:

TM732

徐海栋, 黄明. 计及DG与多元化负荷的配电网供电能力裕度问题研究[J]. 电器与能效管理技术, 2021, 0(6): 99-105.

XU Haidong, HUANG Ming. Research on Power Supply Capability Margin of Distribution Network Considering DG and Diversified Loads[J]. LOW VOLTAGE APPARATUS, 2021, 0(6): 99-105.

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参考文献 15

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时刻	生物质能1 /MW	生物质能2 /MW	时刻	生物质能1 /MW	生物质能2 /MW
1∶00	3.47	3.91	13∶00	4.62	5.43
2∶00	4.71	4.69	14∶00	4.28	2.81
3∶00	4.25	4.62	15∶00	3.78	4.38
4∶00	4.89	4.61	16∶00	5.27	4.88
5∶00	3.21	4.50	17∶00	4.17	5.80
6∶00	3.74	4.72	18∶00	4.65	3.52
7∶00	3.14	4.03	19∶00	5.47	5.14
8∶00	4.55	4.38	20∶00	4.54	2.82
9∶00	3.73	3.45	21∶00	4.77	4.82
10∶00	4.46	2.78	22∶00	4.01	5.09
11∶00	2.48	3.43	23∶00	4.36	4.08
12∶00	2.93	1.78	24∶00	4.42	4.58

时刻	自备电厂1 /MW	自备电厂2 /MW	时刻	自备电厂1 /MW	自备电厂2 /MW
1∶00	4.99	4.31	13∶00	3.82	3.63
2∶00	4.76	5.16	14∶00	6.57	6.18
3∶00	5.35	5.28	15∶00	4.25	5.82
4∶00	4.24	5.64	16∶00	4.71	5.10
5∶00	4.57	5.34	17∶00	5.46	5.29
6∶00	2.92	7.16	18∶00	4.50	5.41
7∶00	4.82	3.70	19∶00	4.05	5.28
8∶00	5.91	4.16	20∶00	5.30	8.19
9∶00	4.31	5.23	21∶00	6.12	5.89
10∶00	6.52	6.26	22∶00	4.22	4.58
11∶00	7.10	7.98	23∶00	5.52	5.45
12∶00	3.34	4.47	24∶00	6.54	5.40