电动汽车和可控负荷参与配电系统阻塞管理的市场机制

发布时间：2018-01-16 08:37

本文关键词：电动汽车和可控负荷参与配电系统阻塞管理的市场机制　出处：《电力系统自动化》2014年24期 　论文类型：期刊论文

【摘要】：研究了在电力市场环境下,如何通过市场机制来引导电动汽车充电负荷和可控负荷进行协调调度,以避免负荷尖峰和配电系统阻塞。首先,根据负荷用电灵活性,选取温度控制型的居民用电负荷作为可控负荷,并考虑了具备电动汽车入网(V2G)功能的电动汽车充放电负荷的灵活性;根据可控负荷的热力学特性和电动汽车的充放电特性,分别建立这两类负荷的需求模型。之后,根据可控负荷代理和电动汽车代理的经济理性与需求侧负荷特性,代理商向配电系统调度机构上报下一交易日的初步负荷计划;配电系统调度机构对负荷计划进行校验,并采用最优潮流方法确定阻塞价格;各代理商则根据阻塞价格,在满足用户需求的前提下对可控负荷和电动汽车充放电负荷进行调整和协调。通过采用这样的机制,可控负荷和电动汽车负荷的用电计划会根据阻塞价格作出调整,从而减少阻塞时段的用电负荷,增加非阻塞时段的用电负荷,最终避免集中用电导致负荷尖峰和配电系统阻塞。对修改后的IEEE 33节点标准配电系统分析表明,所提出的阻塞管理策略可以在很大程度上缓解或解决配电系统可能出现的阻塞问题。
[Abstract]:In order to avoid peak load and distribution system congestion, this paper studies how to guide the electric vehicle charge load and controllable load to coordinate scheduling through the market mechanism in the electricity market environment. According to the flexibility of electric load, the temperature-controlled residential load is selected as controllable load, and the flexibility of charging and discharging load of electric vehicle with the function of V2G is considered. According to the thermodynamic characteristics of controllable loads and the charge-discharge characteristics of electric vehicles, the demand models of these two kinds of loads are established respectively. According to the economic rationality and demand-side load characteristics of controllable load agent and electric vehicle agent, the agent reports the initial load plan for the next trading day to the distribution system dispatching agency. Distribution system dispatching agencies check the load plan and use the optimal power flow method to determine the congestion price. According to the congestion price, the agents adjust and coordinate the controllable load and the charge and discharge load of the electric vehicle under the premise of meeting the customer's demand. The power plan of controllable load and electric vehicle load will be adjusted according to the congestion price, thus reducing the load during the congestion period and increasing the load during the non-blocking period. The analysis of the revised IEEE 33 bus standard distribution system shows that the peak load and the distribution system blockage will be avoided. The proposed congestion management strategy can alleviate or solve the possible congestion problems in distribution systems to a large extent.
【作者单位】：浙江大学电气工程学院;Center
【基金】：国家重点基础研究发展计划(973计划)资助项目(2013CB228202) 国家自然科学基金委员会(NSFC)与英国工程与自然研究理事会(EPSRC)合作研究项目资助(51361130153,51361130152)~~
【分类号】：TM910.6;U469.72
【正文快照】： 0引言随着智能电网技术、分布式发电技术、无线通信技术等的快速发展,传统的电力系统迎来了新的发展机遇[1-2]。具体到配电系统,分布式电源、电动汽车(electric vehicle,EV)和需求响应等为配电系统的运行优化提供了可灵活调度的资源,但同时也给其安全与经济运行和管理带来了新

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