南瑞为沙特红海独立电网提供关键的构网型控制系统

国电南瑞2025-05-08

近日，沙特红海独立电网投入商业运行，国电南瑞为沙特红海独立电网提供关键的构网型控制系统。沙特红海独立电网项目是全球规模最大的新能源离网供电系统之一，该项目采用100% 新能源供电，配置1.3 GWh储能电池系统，在电压和频率稳定性、供电可靠性、能源成本优化等方面实现综合提升，验证了新能源微网在极端环境下的技术可行性和工程适应性，为清洁能源独立供电提供了可复制、可推广的技术路径。该项目整体新建5座...

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GWh，主要负荷涵盖机场、海水淡化厂、污水处理厂、垃圾处理厂、酒店与旅游设施、城市制冷系统及其他公共设施等。在大规模清洁能源独立供电系统中，电化学储能系统是实现电网连续稳定运行的基础。然而，传统跟网型控制储能系统难以为电网提供稳定的电压和频率参考。小容量组串式储能变流器（PCS）即使设计构网型控制策略，也无法实现自洽的多机协同控制，因此必须引入具备同步功能的构网型协调控制系统。▲储能电站能量管理系统结构图为满足百兆瓦级独立供电系统的运行需求，项目需配置具备全网监视与控制能力的输配电运行系统，负责电网稳态监视与控制。同时，在发电侧需部署响应快速、适应电网动态和故障状态的发电控制系统。国电南瑞基于近二十年在新能源控制系统领域的研究经验，针对离网供电、尤其是100% 新能源系统特点，提出了基于电网节点的构网型控制策略，通过部署构网型协调控制系统，实现了孤网系统的连续、稳定运行。构网型协调控制系统的主要功能包括：根据能量管理系统（EMS）发布的运行策略，协调全部PCS同步运行；在PCS发生故障时，动态重构储能系统出力；在系统遭遇故障扰动时，快速实现系统响应与恢复。此外，构网型控制储能系统支持“黑启动”功能，能够在电网停电情况下自主恢复供电，提升供电系统的可靠性与韧性。▲沙特红海324MW/1.3GWh储能能量管理系统此外，国电南瑞为沙特红海项目提供储能能量管理系统，该系统在发电、储能、用电各环节实现高效协同，充分体现了光伏与储能深度融合技术的应用效果。同时，为保障系统的顺利交付和后期高效运营，国电南瑞工程师团队在沙特现场为红海项目运维人员提供了系统培训，涵盖系统操作、故障处理与维护管理等关键内容。▲国电南瑞工程师在沙特为红海运维团队进行培训未来，国电南瑞将继续坚持以用户需求为导向，依托技术积累和工程经验，深化构网型控制系统的安全运行技术研究，推进源网荷储协同控制体系建设，积极支撑全球能源结构转型与可持续发展目标的实现。供稿：国际业务中心 李明洋南瑞工控 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