Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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含光储柴的微电网供电方式建模研究

来源:电工电气发布时间:2024-06-03 14:03 浏览次数:319

含光储柴的微电网供电方式建模研究

成乐蓉1,季丽2
(1 中冶华天南京工程技术有限公司,江苏 南京 210019;
2 国网江苏综合能源服务有限公司,江苏 南京 210019)
 
    摘 要:包含多种不同分布式电源的微电网供电方式灵活多变,通过电源间的协调配合,足以应对不同的工作环境。从不同分布式电源建模入手,基于光伏供电系统、电池储能系统、小型柴油发电系统三种分布式电源的基本原理构建了其合适的等效模型,并根据三种分布式电源各自的特点及供电条件建立了其对应的并网模型及控制转换系统。以此为基础,构建了包含光伏、电池储能、柴油发电机的微电网系统。在 PSCAD 平台上建立此微电网仿真模型,对该微电网在并网运行和孤岛运行两大工况下进行仿真分析,并提出六种不同的运行方式,介绍了每种供电模式适用的场景,界定各模式启用和退出的相关条件,仿真结果表明,含光储柴的微电网模型在这六种供电模式下均可实现稳定可靠供电。
    关键词: 分布式电源;微电网;供电模式
    中图分类号:TM732     文献标识码:A     文章编号:1007-3175(2024)05-0025-09
 
Research on the Modeling of Power Supply Mode of
Microgrid with Photovoltaic Storage Diesel
 
CHENG Le-rong1, JI Li2
(1 Huatian Nanjing Engineering & Technology Corporation MCC, Nanjing 210019, China;
2 State Grid Jiangsu Integrated Energy Service Co., Ltd, Nanjing 210019, China)
 
    Abstract: The power supply mode of microgrid, which contains a variety of different distributed power sources, is flexible and changeable,and is enough to cope with different working environments through the coordination and cooperation between power sources. Starting from the modeling of different distributed power supply, this paper constructs an appropriate equivalent model based on the basic principles of three distributed power supply: photovoltaic power supply system, battery energy storage system and small diesel power power supply system, and establishes the corresponding grid-connected model and control conversion system according to the respective characteristics and power supply conditions of the three distributed generators. On this basis, a microgrid system including photovoltaic, battery energy storage and diesel generator is constructed. The simulation model of the microgrid was established on the PSCAD platform, and the microgrid was simulated and analyzed under the two working conditions of grid-connected operation and isolated operation, and six different operation modes were proposed, the applicable scenarios of each power supply mode were introduced, and the relevant conditions for the activation and exit of each mode were defined. The simulation results show that the microgrid model with photovoltaic storage diesel can achieve stable and reliable power supply in these six power supply modes.
    Key words: distributed power supply; microgrid ; power supply mode
 
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