柔性多状态开关接入对备自投的影响
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摘要
柔性多状态开关接入配电网后,会对备自投装置的正确启动投入产生影响。首先,研究了备自投和柔性多状态开关的工作原理。在分析了柔性多状态开关无源运行特性的基础上,为保障备自投正常投入,供电系统能够尽快恢复供电,提出了2种解决方案,分别是直接闭锁柔性多状态开关和改变备自投的动作逻辑。然后给出了2种方案的实现策略,并分析了各自的优缺点和侧重点。最后,通过对比分析得出,现阶段配电网采用直接闭锁柔性多状态开关的方式更为合适。
The flexible multi-state switch will affect the start-up of the auto-switch-on device when it is connected to the distribution network. In this paper, the working principle of the auto-switch-on device and flexible multi-state switch is studied firstly. Based on the analysis of the passive operation characteristics of the flexible multi-state switch, two schemes are proposed to ensure the normal start-up of the auto-switch-on device and recover the power supply system as soon as possible. The two schemes are the direct blocking of the flexible multi-state switch and the logic changing of the auto-switch-on device. The implementation strategies of the two schemes are given, and the advantages, disadvantages and the emphasis of these two schemes are analyzed. Finally, through comparison and analysis it is concluded that the method of direct blocking of the flexible multi-state switch is more suitable for distribution network at this stage.
The flexible multi-state switch will affect the start-up of the auto-switch-on device when it is connected to the distribution network. In this paper, the working principle of the auto-switch-on device and flexible multi-state switch is studied firstly. Based on the analysis of the passive operation characteristics of the flexible multi-state switch, two schemes are proposed to ensure the normal start-up of the auto-switch-on device and recover the power supply system as soon as possible. The two schemes are the direct blocking of the flexible multi-state switch and the logic changing of the auto-switch-on device. The implementation strategies of the two schemes are given, and the advantages, disadvantages and the emphasis of these two schemes are analyzed. Finally, through comparison and analysis it is concluded that the method of direct blocking of the flexible multi-state switch is more suitable for distribution network at this stage.
引文
[1]霍群海,粟梦涵,吴理心,等.柔性多状态开关新型复合控制策略[J].电力系统自动化,2018,42(7):166-170.
[2]杨欢,蔡云旖,屈子森,等.配电网柔性开关设备关键技术及其发展趋势[J].电力系统自动化,2018,42(7):153-165.
[3]王成山,宋关羽,李鹏,等.基于智能软开关的智能配电网柔性互联技术及展望[J].电力系统自动化,2016,40(22):168-175.
[4]孙鸣,许航.含分布式电源接入的变电站备自投应用问题[J].电力自动化设备,2010,30(4):144-146.
[5]高崇,龚贤夫,李作红.广东110 kV电网备自投装置的应用分析[J].电网与清洁能源,2014,30(8):57-62.
[6]肖峻,刚发运,蒋迅,等.柔性配电网:定义组网形态与运行方式[J].电网技术,2017,41(5):1435-1442.
[7]WU L,XU Y,ZHANG L.Impact of soft open point on feeder automtion[C]//International Energy Conference,April 4-8,2016,Leuven,Belgium:6p.
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[9]吴俊,方芳,赵晓明.柔性直流输电舟洋换流站无源HVDC启动试验中典型故障分析[J].浙江电力,2016,35(1):6-9.
[10]油浸式电力变压器技术参数和要求:GB/T 6451-2008[S].北京:中国标准出版社,2008.
[11]高研,高研斌,强勇乐.分布式电源对重合闸和备自投装置的影响及解决方案[J].电工电气,2012(9):22-24.
[12]许航.含DG的变电站备用电源投切控制的相关问题的研究[D].合肥:合肥工业大学,2010.
[13]代运滔,安小波,安万,等.一种多后备电源的备用电源自动投入系统[J].广东电力,2018,31(2):136-141.
[14]李文,杨金东,肖齐,等.适用于大量小水电接入地区的区域备自投新型控制方法[J].电网与清洁能源,2018,34(1):144-148.
[15]温智平,梁振锋,彭书涛,等.分布式电源接入对操作型自动装置影响研究综述[J].电网与清洁能源,2017,33(12):123-128.
[2]杨欢,蔡云旖,屈子森,等.配电网柔性开关设备关键技术及其发展趋势[J].电力系统自动化,2018,42(7):153-165.
[3]王成山,宋关羽,李鹏,等.基于智能软开关的智能配电网柔性互联技术及展望[J].电力系统自动化,2016,40(22):168-175.
[4]孙鸣,许航.含分布式电源接入的变电站备自投应用问题[J].电力自动化设备,2010,30(4):144-146.
[5]高崇,龚贤夫,李作红.广东110 kV电网备自投装置的应用分析[J].电网与清洁能源,2014,30(8):57-62.
[6]肖峻,刚发运,蒋迅,等.柔性配电网:定义组网形态与运行方式[J].电网技术,2017,41(5):1435-1442.
[7]WU L,XU Y,ZHANG L.Impact of soft open point on feeder automtion[C]//International Energy Conference,April 4-8,2016,Leuven,Belgium:6p.
[8]OKADA N,TAKASAKI M,SAKAI H,et al.Development of a 6.6kV-1 MVA transformerless loop balance controller[C]//IEEE Power Electronics Specialists Conference,June 17-21,2007,Orlando,USA:1087-1091.
[9]吴俊,方芳,赵晓明.柔性直流输电舟洋换流站无源HVDC启动试验中典型故障分析[J].浙江电力,2016,35(1):6-9.
[10]油浸式电力变压器技术参数和要求:GB/T 6451-2008[S].北京:中国标准出版社,2008.
[11]高研,高研斌,强勇乐.分布式电源对重合闸和备自投装置的影响及解决方案[J].电工电气,2012(9):22-24.
[12]许航.含DG的变电站备用电源投切控制的相关问题的研究[D].合肥:合肥工业大学,2010.
[13]代运滔,安小波,安万,等.一种多后备电源的备用电源自动投入系统[J].广东电力,2018,31(2):136-141.
[14]李文,杨金东,肖齐,等.适用于大量小水电接入地区的区域备自投新型控制方法[J].电网与清洁能源,2018,34(1):144-148.
[15]温智平,梁振锋,彭书涛,等.分布式电源接入对操作型自动装置影响研究综述[J].电网与清洁能源,2017,33(12):123-128.