| 虚拟仪器测量变压器绕组直流电阻 |
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| 引用本文： | 周金,关根志,张海龙,姜伟,万勇,彭泽君,李运灵,赵来红. 虚拟仪器测量变压器绕组直流电阻[J]. 湖北水力发电, 2009, 0(2) |
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| 作者姓名： | 周金 关根志 张海龙 姜伟 万勇 彭泽君 李运灵 赵来红 |
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| 作者单位： | 武汉大学电气工程学院,湖北,武汉,430072;武汉供电公司,湖北,武汉,430050;河南省获嘉县电业局,河南,获嘉,453800 |
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| 摘 要： | 传统的测量变压器绕组直流电阻的方法常常带来人为的误差,提出了一种基于虚拟仪器的变压器直流电阻八线制测量的方法,在每相测量前引入了有效的接地,对于YN接法的绕组实现了三相同时测量,该方法测量精度高,速度快,测量范围宽,能自动操作。
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| 关 键 词： | 变压器 直流电阻 虚拟仪器 八线制测量 格罗布斯准则 |
Measuring system of DC resistance of transformer winding based on virtual instrument |
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| ZHOU Jin,GUAN Genzhi,ZHANG Hailong,JIANG Wei,WAN Yong,PENG Zejun,LI Yunling,ZHAO Laihong. Measuring system of DC resistance of transformer winding based on virtual instrument[J]. Hubei Water Power, 2009, 0(2) |
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| Authors: | ZHOU Jin GUAN Genzhi ZHANG Hailong JIANG Wei WAN Yong PENG Zejun LI Yunling ZHAO Laihong |
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| Affiliation: | 1.School of Electrical Engineering;Wuhan University;Wuhan 430072;China;2.Wuhan Power Supply Company;Wuhan 430050;3.Huojia Electric Power Bureau of Henan Province;Huojia 453800;China |
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| Abstract: | In view of the traditional measuring method for DC resistance of transformer windings often brought about personal errors,a 8-wire measuring system based on virtual instrument is studied.Each phase winding is grounded before measuring,so each phase DC resistance of the YN connected windings could be measured at the same time.This measuring method has the advantages of high precision,wide measuring range and fully automatic processing. |
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| Keywords: | transformer DC resistance virtual instrument 8-wire measuring system Grubbs criterion |
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