长春工程学院学报(自然科学版)
長春工程學院學報(自然科學版)
장춘공정학원학보(자연과학판)
JOURNAL OF CHANGCHUN INSTITUTE OF TECHNOLOGY(NATURAL SCIENCE EDITION)
2014年
3期
42-45
,共4页
风力发电%变流器%可靠性%功率器件
風力髮電%變流器%可靠性%功率器件
풍력발전%변류기%가고성%공솔기건
wind power generation%converter%reliability%power device
风电机组变流器是风力发电机组核心部件之一,是实现能量转换的关键设备,其可靠性决定了风电机组运行的可靠性。由于风电机组运行环境特殊,因此,风电机组的功率变流器有其自身的行业应用特点。围绕功率变流器的可靠性问题,从变流器的工作特点及技术要求出发,分析了变流器故障主要原因,阐述了功率器件在工作中的失效机理,提出了提高变流器可靠性的措施。
風電機組變流器是風力髮電機組覈心部件之一,是實現能量轉換的關鍵設備,其可靠性決定瞭風電機組運行的可靠性。由于風電機組運行環境特殊,因此,風電機組的功率變流器有其自身的行業應用特點。圍繞功率變流器的可靠性問題,從變流器的工作特點及技術要求齣髮,分析瞭變流器故障主要原因,闡述瞭功率器件在工作中的失效機理,提齣瞭提高變流器可靠性的措施。
풍전궤조변류기시풍력발전궤조핵심부건지일,시실현능량전환적관건설비,기가고성결정료풍전궤조운행적가고성。유우풍전궤조운행배경특수,인차,풍전궤조적공솔변류기유기자신적행업응용특점。위요공솔변류기적가고성문제,종변류기적공작특점급기술요구출발,분석료변류기고장주요원인,천술료공솔기건재공작중적실효궤리,제출료제고변류기가고성적조시。
Wind turbines converter is one of the core components of wind turbine and the key equipment to realize the energy conversion .Its reliability determines the reliability of wind turbines running .Due to the special running environment of the wind turbines ,wind turbines power converter has its own characteristics in industry application .Around issues of the reliability of power converter ,starting from the working fea-tures and technology requirements of converter ,the paper analyzes the main reasons of the converter fail-ure ,and expounds the failure mechanism of power devices during work .Some measures for improving the reliability of the converter have been proposed in it .