基于多代理的紧急直流功率支援策略研究

发布时间：2018-07-11 14:15

本文选题：紧急协调控制 + 多代理　；参考：《电网技术》2014年05期

【摘要】：利用直流进行紧急功率支援对单直流系统有一定控制效果,但其缺乏考虑后续阻尼以及电压波动等因素。尤其对于多馈入直流输电系统,该方法则因缺乏协调控制而有一定局限性。为此,提出一种考虑上述因素的多目标紧急协调控制新方法,基于多代理系统(multi-agent system,MAS)技术设计了紧急直流功率支援的控制系统,并详细分析了3个主要Agent控制的实现方式。在紧急控制Agent中定义了紧急功率支援指标,以量化直流系统紧急提升最小量;在附加信号调节Agent中通过挖掘最佳控制敏感点进行直流附加控制;在逆变站无功调节Agent中定义了电压敏感点指标,以筛选多直流中电压最为敏感的直流逆变站进行无功调节。最后在考虑通信延迟的条件下以某多直流馈入系统为对象进行仿真,结果证明了所提协调控制方法的有效性。
[Abstract]:Emergency power support by DC has some control effect on single DC system, but it lacks of subsequent damping and voltage fluctuation. Especially for multi-feed HVDC systems, this method has some limitations due to the lack of coordinated control. Therefore, a new multi-objective emergency coordinated control method considering the above factors is proposed. The emergency DC power support control system is designed based on the multi-agent system (multi-agent) technology, and the implementation of three main Agent controls is analyzed in detail. The emergency power support index is defined in the emergency control Agent to quantify the minimum amount of emergency lifting in DC system, and the DC additional control is carried out by mining the optimal control sensitive points in the additional signal adjusting Agent. The index of voltage sensitive point is defined in the reactive power regulation (Agent) of inverter station to select the most sensitive DC inverter station in order to adjust reactive power. Finally, a multi-DC feed-in system is simulated under the condition of considering the communication delay. The results show that the proposed coordinated control method is effective.
【作者单位】：四川大学电气信息学院;
【基金】：国家863高技术基金项目(2011AA05A119) 国家电网公司科技重大专项(SGCC-MPLG027-2012)~~
【分类号】：TM721.1

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