大型光伏电站无功补偿装置经济运行研究
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摘要
光伏电站无功补偿装置的型式一般为SVG+FC或全SVG。针对北方大型光伏电站,依据站址光强辐射强度分布曲线,通过全寿命周期的经济及技术方面的对比,对无功补偿装置形式SVG+FC和全SVG两种型式进行比较。通过比较分析可知:对于所建北方100 MW光伏电站模型,由于夜间无辐照度所占时间比例较大,无功补偿宜采用SVG+FC,其中FC容量选择为整个光伏电站无功补偿固定容量。从技术角度讲,由于SVG故障率略高,采用SVG+FC对光伏电站来说更为可靠。研究结果可供光伏电站设计相关同行及有关研究部门参考。
The type of reactive power compensation device of PV power station is in general divided into SVG+FC or total SVG. As for the large PV power station in the north part of China and in accordance with distribution curve of radiation intensity at the stationsite,such two type of reactive power compensation device as SVG+FC and whole SVG are compared by the comparison in both economic and technical aspects of the whole life period.It is known by the comparison and analysis that for the 100 MW PV power station model established in the north region,the choice of SVG+FC is preferable for the reactive power compensation due to large percentage rate of by no radiation intensity at night,in which the choice of FC capacity is the fixed capacity of reactive compensation of the whole PV power station. From point view of the technology,since the fault rate of SVG is a bit higher,the choice of SVG+FC is more reliable for the PV power station.The study result can be sued as reference for the related industry and research institute rated to the design to the PV powerstation.
The type of reactive power compensation device of PV power station is in general divided into SVG+FC or total SVG. As for the large PV power station in the north part of China and in accordance with distribution curve of radiation intensity at the stationsite,such two type of reactive power compensation device as SVG+FC and whole SVG are compared by the comparison in both economic and technical aspects of the whole life period.It is known by the comparison and analysis that for the 100 MW PV power station model established in the north region,the choice of SVG+FC is preferable for the reactive power compensation due to large percentage rate of by no radiation intensity at night,in which the choice of FC capacity is the fixed capacity of reactive compensation of the whole PV power station. From point view of the technology,since the fault rate of SVG is a bit higher,the choice of SVG+FC is more reliable for the PV power station.The study result can be sued as reference for the related industry and research institute rated to the design to the PV powerstation.
引文
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[3]杨勇,秦睿,拜润卿,等.动态无功补偿装置在酒泉地区风电场的优化应用[J].电网与清洁能源,2012,28(4):81-85.YANG Yong,QIN Rui,BAI Runqing,et al.Optimizing application of dynamic reactive power compensation devices injiuquan wind farms[J].Power System and Clean Energy,2012,28(4):81-85.
[4]马骞,刘洪涛,傅闯.静止无功补偿装置在南方电网中的应用[J].南方电网技术,2011,5(2):17-21.MA Qian,LIU Hongtao,FU Chuang.Application of static var compensator in China southern power grid[J].Southern Power System Technology,2011,5(2):17-21.
[5]拜润卿,秦睿,智勇,等.风电基地动态无功补偿装置参数实测与分析[J].中国电力,2012,45(2):54-57.BAI Runqing,QIN Rui,ZHI Yong,et al.Parameter test and analysis for dynamic compensation devices in wind power farms[J].Electric Power,2012,45(2):54-57.
[6]吕任帅.风力发电领域无功补偿装置的应用比较[J].华东电力,2013,41(2):478-481.LYU Renshuai SVC application comparison in wind power generation[J].East China Electric Power,2013,41(2):478-481.
[7]毛戈,王文莉,王军飞,等.动态无功补偿装置在风电场的应用[J].电气应用,2012(12):42-45.
[8]光伏发电站接入电力系统技术规定:GB/T 19964-2012[S].2012.Technical requirements for connecting photovoltaic power station to power system:GB/T 19964-2012[S].2012.
[9]水利电力部西部电力设计院.电力工程电气设计手册电气一次部分[M].北京:中国电力出版社,2017.
[10]太阳能资源评估办法:QX/T 89-2008[S].2008.Assesment method for solar energy resources:QX/T 89-2008[S].2008.
[11]太阳能资源等级总辐射:GB/T 31155-2014[S].2014.Classification of solar energy resources-Global radiation:GB/T 31155-2014[S].2014.
[12]太阳能资源测量总辐射:GB/T 31156-2014[S].2014.Solar energy resources measurement-Global radiation:GB/T 31156-2014[S].2014.
[13]光伏发电站设计规范:GB 50797-2012[S].2012.Code for design of photovoltaic power station:GB 50797-2012[S].2012.
[14]光伏发电站太阳能资源实时监测技术要求:GB/T30153-2013[S].2013.Technical requirement for solar energy resource realtime monitoring of photovoltaic power station:GB/T 30153-2013[S].2013.
[15]张彦昌,石巍,祝玉章.大型光伏电站集电线路研究[J],电工电气,2012(8):14-17.