辽宁电能公司光储微电网运行控制研究
发布时间：2018-08-04 17:50
【摘要】：微电网系统集成了新能源发电系统、储能系统及就地负荷。它通过其内部储能装置的调解作用降低了新能源发电的不确定性,在对用户提供充足的清洁能源的同时也提升了供电质量,是当前解决因分布式新能源发电系统大面积接入电网而带来的调度、运行等问题的有效解决方法。微电网系统的控制研究可以保障微电网的稳定运行,使其能够更好的完成与大电网的能量交互。同时优秀的控制策略能够使微电网与大电网之间无缝切离,保障微电网用户重要负荷供电的持续性。本文在分析太阳能发电系统及储能系统的特性的基础上,从微源级及微网级的角度对了微电网稳态和暂态运行进行了研究,并结合辽宁电能公司微电网建设实际提出了控制策略。基于RTDS仿真平台搭建光伏发电模型、储能系统模型及电能公司微电网模型,理论验证了该控制策略的有效性。同时设计电能公司微电网上位机监控系统,将控制策略进行嵌入,通过实际运行验证了各种工况下控制策略的实用性。
[Abstract]:The microgrid system integrates new energy generation system, energy storage system and local load. It reduces the uncertainty of new energy generation through the mediation of its internal energy storage units, providing adequate clean energy to users and improving the quality of power supply. It is an effective method to solve the problems of dispatching and operation caused by the large area access of distributed new energy generation system. The control research of microgrid system can guarantee the stable operation of microgrid and make it complete the energy interaction with large power grid better. At the same time, the excellent control strategy can make the microgrid and large grid cut off seamlessly, and ensure the sustainability of the important load power supply to the users of microgrid. Based on the analysis of the characteristics of solar power generation system and energy storage system, the steady and transient operation of micro-grid is studied from the microsource level and micro-grid level. The control strategy is put forward according to the construction practice of Liaoning Electric Power Company. Based on the RTDS simulation platform, the photovoltaic generation model, the energy storage system model and the power company microgrid model are built, and the effectiveness of the control strategy is verified theoretically. At the same time, the power company microgrid monitoring system is designed, the control strategy is embedded, and the practicability of the control strategy under various operating conditions is verified by the actual operation.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TM727
本文编号：2164642
[Abstract]:The microgrid system integrates new energy generation system, energy storage system and local load. It reduces the uncertainty of new energy generation through the mediation of its internal energy storage units, providing adequate clean energy to users and improving the quality of power supply. It is an effective method to solve the problems of dispatching and operation caused by the large area access of distributed new energy generation system. The control research of microgrid system can guarantee the stable operation of microgrid and make it complete the energy interaction with large power grid better. At the same time, the excellent control strategy can make the microgrid and large grid cut off seamlessly, and ensure the sustainability of the important load power supply to the users of microgrid. Based on the analysis of the characteristics of solar power generation system and energy storage system, the steady and transient operation of micro-grid is studied from the microsource level and micro-grid level. The control strategy is put forward according to the construction practice of Liaoning Electric Power Company. Based on the RTDS simulation platform, the photovoltaic generation model, the energy storage system model and the power company microgrid model are built, and the effectiveness of the control strategy is verified theoretically. At the same time, the power company microgrid monitoring system is designed, the control strategy is embedded, and the practicability of the control strategy under various operating conditions is verified by the actual operation.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TM727
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