JP4371307B2 - 零相変流器 - Google Patents
零相変流器 Download PDFInfo
- Publication number
- JP4371307B2 JP4371307B2 JP2004019985A JP2004019985A JP4371307B2 JP 4371307 B2 JP4371307 B2 JP 4371307B2 JP 2004019985 A JP2004019985 A JP 2004019985A JP 2004019985 A JP2004019985 A JP 2004019985A JP 4371307 B2 JP4371307 B2 JP 4371307B2
- Authority
- JP
- Japan
- Prior art keywords
- shield plate
- zero
- current transformer
- phase current
- laminated
- 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 - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005291 magnetic effect Effects 0.000 description 12
- 230000004907 flux Effects 0.000 description 5
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
Images
Description
2 コア
3 絶縁樹脂
4 二次巻線
5 絶縁シート
6 側面積層シールド板
7 内周側シールド板
8 外周側積層シールド板
8a 外周側積層シールド板多角形状部
8b 外周側積層シールド板環状部
9 合成樹脂ケース
10 絶縁樹脂充填材
Claims (2)
- 一次導体が貫通する環状のコア(2)に二次巻線(4)が巻かれ、その外側全体にシールドが配置された零相変流器において、前記シールドは前記コア(2)の軸方向両側に沿わせた環状の側面積層シールド板(6)と、前記コア(2)及び前記側面積層シールド板(6)の外周を囲う外形が多角形状でかつ前記側面積層シールド板(6)の積層方向と同方向に積層された外周側積層シールド板(8)を有し、前記側面積層シールド板(6)と前記外周側積層シールド板(8)との間に隙間(G1)を空けて設置したことを特徴とする零相変流器。
- 請求項1に記載のものにおいて、外周側積層シールド板(8)を更に多角形状部(8a)と環状部(8b)に分割して形成し、前記多角形状部(8a)と前記環状部(8b)との間に隙間(G2)を空けて設置したことを特徴とする零相変流器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004019985A JP4371307B2 (ja) | 2004-01-28 | 2004-01-28 | 零相変流器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004019985A JP4371307B2 (ja) | 2004-01-28 | 2004-01-28 | 零相変流器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005217035A JP2005217035A (ja) | 2005-08-11 |
JP4371307B2 true JP4371307B2 (ja) | 2009-11-25 |
Family
ID=34904045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004019985A Expired - Lifetime JP4371307B2 (ja) | 2004-01-28 | 2004-01-28 | 零相変流器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4371307B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011205025A (ja) * | 2010-03-26 | 2011-10-13 | Kawamura Electric Inc | 零相変流器 |
JP6282412B2 (ja) * | 2013-06-27 | 2018-02-21 | 株式会社トーキン | 零相変流器 |
CN112837916B (zh) * | 2021-01-27 | 2022-02-01 | 江阴市星火电子科技有限公司 | 一种带屏蔽的开合式零序电流互感器 |
-
2004
- 2004-01-28 JP JP2004019985A patent/JP4371307B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005217035A (ja) | 2005-08-11 |
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