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近年来,我国新能源产业发展迅速,对改善能源结构、保护生态环境、促进经济发展发挥了重要作用,随着产业规模的不断扩大,大规模集约化开发建设的新能源项目均出现了不同程度的弃风、弃光,除去因电网一次网架结构的制约导致外,风光储多能互补电源的集中控制和场站维护也是目前急需调整和改变的因素。
现阶段的各个风电场、太阳能、储能电站各自独立运行、独立预测和维护[1-5],相邻场站之间不互通运行情况,对上网的运行情况更是掌握不及时,而电网公司管辖的电网调控中心因全网调控任务繁重,对新能源的调度管控大多采取只管控“出口”的调度运行模式,并对出口的出力曲线进行强制性考核。因此,导致实际运行过程中,新能源场站的运行小时数往往得不到很好的保障。
为此,各个新能源业主单位,在实际运行中逐渐摸索出了一个办法,即建立风光储多能互补电源系统[6-8],并在新能源场站的调度运行模式中,逐渐出现了自行建设单独的新能源集中控制运维中心,将一定地理空间范围内的新能源场站,统一纳入集控中心控制运维系统(以下简称集控系统),集中人力和物力,强化对新能源场站的管控。对场站当地的运维人员则进行适度的精简,从而使得运维人员可统一对管辖范围内的新能源发电能力进行预测,对有一次网架联系的新能源场站之间还可进行适度的调整和控制,从而更好地实现与电网公司掌握的调度控制中心协调一致,以期提高新能源场站的利用效率,提高新能源发电小时数。
Design of Centralized Control System for Wind-light-battery Power Plants
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摘要:
目的 为了更好地实现大规模新能源集中上网的监视与控制,提高新能源基地与电网调度中心的协调能力,设计了一种风光储多能互补电源集控系统典型方案。 方法 为了保证典型方案满足工程实际需求,依据多年的电力调度运行设计经验,详细研究了本集控系统的总体方案、系统架构、功能和性能要求,并对本系统与传统电网调控自动化系统的关系进行了研究。 结果 通过仔细研究分析,从而设计了集控系统典型方案,有效升级新能源基地的调度自动化系统。 结论 集控系统典型方案满足工程设计需要,提高了风光储多能互补电源集控系统设计的合理性和实用性,可为具体工程应用提供指导。 -
关键词:
- 大规模新能源集中上网 /
- 风光储多能互补 /
- 集控系统 /
- 典型设计方案
Abstract:Introduction The paper aims to better realize the monitoring and control of large-scale new energy centralized Internet access and improve the coordination ability between new energy base and power grid dispatching center to describe a typical scheme of wind-light-storage multi-energy complementary power centralized control system. Method To ensure the typical scheme met the actual needs of the project, the overall scheme, system architecture, function and performance requirements of the centralized control system were studied in detail, and the relationship of the system and the traditional grid control automation system was also studied based on years of experience in power dispatching operation design. Result The results of careful research and analysis show that the designed typical scheme of the centralized control system effectively upgrades the dispatching automation system of the new energy base. Conclusion Our data demonstrates that the typical scheme of the centralized control system satisfies the engineering design requirements and improves the rationality and practicability of the design of the wind-light-storage multi-energy complementary power centralized control system, which can provide guidance for specific engineering applications. -
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