CN2864947Y - 矿用隔爆型干式变压器的低压星角转换装置 - Google Patents

矿用隔爆型干式变压器的低压星角转换装置 Download PDF

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Publication number
CN2864947Y
CN2864947Y CN 200520139637 CN200520139637U CN2864947Y CN 2864947 Y CN2864947 Y CN 2864947Y CN 200520139637 CN200520139637 CN 200520139637 CN 200520139637 U CN200520139637 U CN 200520139637U CN 2864947 Y CN2864947 Y CN 2864947Y
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钟国金
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China Electric Equipment Group Jiangsu Co Ltd
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China Electric Equipment Group Co Ltd
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Abstract

本实用新型涉及的是一种矿用隔爆型干式变压器的低压星角转换装置,其结构是是将原来的三相三个端子输出,改为三相由六个端子输出。即三相的首末端均由端子输出,在输出端子上进行星形联接与角形联接的转换。将变压器的首末六个端子按同心圆六等分圆周排列,其中一个端子放在圆心上,这样保证了各端子间的距离相等,以便于用联接片将它们进行星角转换的联接。本实用新型的优点:由于联接是在器身腔体的外部,节省了腔体上开孔加工隔爆面的成本,提高了安全性。同时由于是六端子输出,解决了角形接线时端子载流量不够的缺点。转换更加方便快捷。

Description

矿用隔爆型干式变压器的低压星角转换装置
技术领域
本实用新型涉及的是一种矿用隔爆型干式变压器的低压星角转换装置,具体应用在矿用隔爆型干式变压器低压侧星形接法和角形接法转换。属于变压器技术领域。
技术背景
原有的矿用隔爆型干式变压器的低压星角转换,都是采用在器身腔中放置一块转换板,在转换板上安装有六个端子,在对应转换板的位置在腔体上开一个方孔,在需要转换时打开方孔的盖子,进行联接转换。对于此种结构存在着以下的缺陷;每次转换时,需要在器身腔体内部进行,操作不方便;需要在器身腔体上开一个方孔,且这个方孔要进行隔爆处理,加工难度和成本都有增加;联接后输出端如是角接电流增大1.73倍相应的导电排要加大,对于输出端子的载流量要求增大,同时联接难度增大。
发明内容
本实用新型的目的在于针对上述存在的缺陷,提出一种用于矿用隔爆型干式变压器低压侧星形接法和角形接法转换的低压星角转换装置。具有方便快捷、经济实用,安全性能好等特点。本实用新型的技术解决方案:是将原来的三相三个端子输出,改为三相由六个端子输出。即三相的首末端均由端子输出,在输出端子上进行星形联接与角形联接的转换。其结构是将变压器的首末六个端子按同心园六等分园周排列,其中一个端子放在园心上,这样保证了各端子间的距离相等,以便于用联接片将它们进行星角转换的联接。本实用新型的优点:本实用新型由于联接是在器身腔体的外部,节省了腔体上开孔加工隔爆面的成本,提高了安全性。同时由于是六端子输出,解决了角形接线时端子载流量不够的缺点。转换更加方便快捷。
附图说明
附图1是角型联接示意图。
附图2是星型联接示意图。
附图3是本实用新型的结构示意图。
图中的1是接线腔法兰、2是联接片、3是接线座、4是y接线端子、5是a接线端子、6是b接线端子、7是c接线端子、8是z接线端子、9是x接线端子
具体实施方式
对照附图,其结构是将变压器的y接线端子4、a接线端子5、b接线端子6、c接线端子7、x接线端子9和接线座3按同心圆六等分圆周排列,其中z接线端子8在圆心位置,y接线端子4、a接线端子5、b接线端子6、c接线端子7、z接线端子8、x接线端子9六个端子间的距离相等。
联接片2为可自拆卸式导电片,
本实用新型在KBSG2-T系列矿用隔爆型干式变压器试用取得了良好的效果。

Claims (1)

1、矿用隔爆型干式变压器的低压星角转换装置,其特征是是将变压器的y接线端子(4)、a接线端子(5)、b接线端子(6)、c接线端子(7)、x接线端子(9)和接线座(3)按同心圆六等分圆周排列,其中z接线端子(8)在圆心位置,y接线端子(4)、a接线端子(5)、b接线端子(6)、c接线端子(7)、z接线端子(8)、x接线端子(9)六个端子间的距离相等。
CN 200520139637 2005-12-13 2005-12-13 矿用隔爆型干式变压器的低压星角转换装置 Expired - Fee Related CN2864947Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520139637 CN2864947Y (zh) 2005-12-13 2005-12-13 矿用隔爆型干式变压器的低压星角转换装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520139637 CN2864947Y (zh) 2005-12-13 2005-12-13 矿用隔爆型干式变压器的低压星角转换装置

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CN2864947Y true CN2864947Y (zh) 2007-01-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101958189A (zh) * 2010-07-15 2011-01-26 电光防爆电气(宿州)有限公司 爆炸性气体环境用多电压干式变压器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101958189A (zh) * 2010-07-15 2011-01-26 电光防爆电气(宿州)有限公司 爆炸性气体环境用多电压干式变压器
CN101958189B (zh) * 2010-07-15 2012-07-25 电光防爆电气(宿州)有限公司 爆炸性气体环境用多电压干式变压器

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