JP4935568B2 - 零相変流器 - Google Patents
零相変流器 Download PDFInfo
- Publication number
- JP4935568B2 JP4935568B2 JP2007203954A JP2007203954A JP4935568B2 JP 4935568 B2 JP4935568 B2 JP 4935568B2 JP 2007203954 A JP2007203954 A JP 2007203954A JP 2007203954 A JP2007203954 A JP 2007203954A JP 4935568 B2 JP4935568 B2 JP 4935568B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- current transformer
- phase current
- zero
- primary conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Description
12…一次導体
20…検出部
22…コア
24…二次巻線
30…チョークコア
Claims (3)
- 平衡電流が流れる一次導体と、
上記一次導体が貫通する環状コアと、
上記環状コアに巻回される二次巻線と、
上記環状コアおよび上記二次巻線の外側を覆うと共に外部磁界からの磁束を遮断するシールドケースと、
を備える検知部を有し、
上記一次導体が貫通する環状のチョークコアを上記検知部と一体化して設けていることを特徴とする零相変流器。 - 前記チョークコアの断面積は、前記環状コアの断面積より大きいことを特徴とする請求項1記載の零相変流器。
- 前記チョークコアは、前記検知部の上側、下側、内周側および外周側のうちのいずれか1つの部分、またはこれらのうちの2つ以上を組み合わせている部分に設けられていることを特徴とする請求項1または2記載の零相変流器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007203954A JP4935568B2 (ja) | 2007-08-06 | 2007-08-06 | 零相変流器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007203954A JP4935568B2 (ja) | 2007-08-06 | 2007-08-06 | 零相変流器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009043753A JP2009043753A (ja) | 2009-02-26 |
JP4935568B2 true JP4935568B2 (ja) | 2012-05-23 |
Family
ID=40444222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007203954A Expired - Fee Related JP4935568B2 (ja) | 2007-08-06 | 2007-08-06 | 零相変流器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4935568B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080200060A1 (en) * | 2007-02-16 | 2008-08-21 | Buckmeier Brian J | Electrical Isolation Device Capable Of Limiting Magnetic Saturation Even Upon Receipt Of High Power DC Bias And Method For Making The Same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005101640A (ja) * | 2004-11-12 | 2005-04-14 | Mitsubishi Electric Corp | 変成器およびその製造方法 |
-
2007
- 2007-08-06 JP JP2007203954A patent/JP4935568B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2009043753A (ja) | 2009-02-26 |
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