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1.国网江苏省电力有限公司电力科学研究院,江苏省南京市 211103
2.中国科学院电工研究所,北京市 100190
袁宇波(1975—),男,博士,研究员级高级工程师,主要研究方向:电力系统继电保护、直流输配电控制保护技术。E-mail:yyb97104@sina.com
张宸宇(1989—),男,通信作者,博士,高级工程师,主要研究方向:直流配电网、微网电能质量治理。E-mail:zcy530@sina.com
袁晓冬(1979—),男,硕士,高级工程师,主要研究方向:分布式发电技术、直流电能质量。E-mail:1838658@qq.com
收稿日期:2020-05-19,
修回日期:2020-10-20,
网络出版日期:2021-02-18,
纸质出版日期:2021-04-25
移动端阅览
袁宇波,张宸宇,袁晓冬等.基于柔性多状态开关的混合配电网能量管理策略与控制方法[J].电力系统自动化,2021,45(8):60-67.
YUAN Yubo,ZHANG Chenyu,YUAN Xiaodong,et al.Energy Management Strategy and Control Method of Hybrid Distribution Network Based on Soft Open Point[J].Automation of Electric Power Systems,2021,45(8):60-67.
袁宇波,张宸宇,袁晓冬等.基于柔性多状态开关的混合配电网能量管理策略与控制方法[J].电力系统自动化,2021,45(8):60-67. DOI: 10.7500/AEPS20200519001.
YUAN Yubo,ZHANG Chenyu,YUAN Xiaodong,et al.Energy Management Strategy and Control Method of Hybrid Distribution Network Based on Soft Open Point[J].Automation of Electric Power Systems,2021,45(8):60-67. DOI: 10.7500/AEPS20200519001.
基于柔性多状态开关(SOP)的交直流混合配电网能量管理控制方法是保证其高效、可靠、灵活和可控性的关键技术挑战。为了减少SOP非必要交换功率,并最大限度地利用可再生能源,提出了一种新的能量管理策略。该策略优先考虑可再生能源输出功率的使用,并辅以交直流子网储能的相互支持。交直流混合配电网并网运行划分为20种运行模式。基于能量管理目标生成了不同运行模式下交直流子网储能单元参考指令。针对传统交直流母线并联变换器的下垂控制电压压降和环流问题,提出了交流母线电压压降补偿方法和环流抑制方法。最后,通过仿真软件建立了基于SOP互联的交直流混合配电网仿真平台,仿真结果验证了该平台的可行性和有效性。
The energy management and control method of the AC/DC hybrid distribution network based on the soft open point (SOP) is a key technical challenge to ensure its high efficiency
reliability
flexibility and controllability. In order to reduce the unnecessary switching power of SOP and maximize the use of renewable energy
a new energy management strategy is proposed. The strategy gives priority to the use of renewable energy output power
and is supplemented by the mutual support of the AC/DC sub network energy storage. The grid-connected operation of the AC/DC hybrid distribution network is divided into twenty operation modes. Based on the energy management objectives
the reference instructions of the AC/DC sub network energy storage units in different operation modes are generated. Aiming at the problems of traditional droop control voltage drop and circulating current of parallel converters with the common AC/DC bus
the AC bus voltage drop compensation method and circulating current suppression method are given. Finally
a simulation platform of the AC/DC hybrid distribution network based on SOP interconnection is established by simulation software. The simulation results verify the feasibility and effectiveness of the platform.
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