JP2005317681A - 貫通形変流器およびそれを具備する受配電設備 - Google Patents
貫通形変流器およびそれを具備する受配電設備 Download PDFInfo
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- JP2005317681A JP2005317681A JP2004132043A JP2004132043A JP2005317681A JP 2005317681 A JP2005317681 A JP 2005317681A JP 2004132043 A JP2004132043 A JP 2004132043A JP 2004132043 A JP2004132043 A JP 2004132043A JP 2005317681 A JP2005317681 A JP 2005317681A
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- current transformer
- type current
- current
- iron core
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 230000009466 transformation Effects 0.000 claims description 8
- 230000001131 transforming effect Effects 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
【解決手段】過電流に対する保護を行うために1次側に入力された電流を変流して2次側から出力する貫通形変流器1に、1次側の入力電流が大きい時に2次側の出力電流特性が直線性を有するような第1材料により形成された第1鉄心1−4と、1次側の入力電流が小さい時における2次側の出力電流値の精度が第1材料を用いた場合よりも高くなるような第2材料により形成された第2鉄心1−5とを設けた。
【選択図】図2
Description
1−1 樹脂
1−2 口出し線
1−3 取付け用インサート
1−4 第1鉄心
1−5 第2鉄心
1−6 上側樹脂ケース
1−7 下側樹脂ケース
1−8 巻線
1−9 絶縁テープ
2 高圧遮断器
3 取付けねじ
4 固定枠
Claims (8)
- 過電流に対する保護を行うために1次側に入力された電流を変流して2次側から出力する貫通形変流器において、1次側の入力電流が大きい時に用いられる第1鉄心と、1次側の入力電流が小さい時に用いられる第2鉄心とを具備することを特徴とする貫通形変流器。
- 過電流に対する保護を行うために1次側に入力された電流を変流して2次側から出力する貫通形変流器において、1次側の入力電流が大きい時に2次側の出力電流特性が直線性を有するような第1材料により形成された第1鉄心と、1次側の入力電流が小さい時における2次側の出力電流値の精度が前記第1材料を用いた場合よりも高くなるような第2材料により形成された第2鉄心とを具備することを特徴とする貫通形変流器。
- 前記第1鉄心および前記第2鉄心を樹脂ケースにより包囲することを特徴とする請求項1又は2に記載の貫通形変流器。
- 変流比の異なる複数の巻線を内蔵した請求項1〜3のいずれか一項に記載の貫通形変流器と、複数のタップと、タップ切換えスイッチとを具備することを特徴とする受配電設備。
- 前記貫通形変流器が遮断器に取付けられて一体化せしめられた状態で受配電設備本体に取付けられることを特徴とする請求項4に記載の受配電設備。
- 前記貫通形変流器が前記遮断器の主回路端子部に取付けられることを特徴とする請求項5に記載の受配電設備。
- 前記貫通形変流器が遮断器用固定枠に取付けられて一体化せしめられた状態で受配電設備本体に取付けられることを特徴とする請求項4に記載の受配電設備。
- 前記貫通形変流器が前記遮断器用固定枠の主回路端子部に取付けられることを特徴とする請求項7に記載の受配電設備。
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JP2004132043A JP4636360B2 (ja) | 2004-04-27 | 2004-04-27 | 受配電設備 |
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JP2004132043A JP4636360B2 (ja) | 2004-04-27 | 2004-04-27 | 受配電設備 |
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JP2005317681A true JP2005317681A (ja) | 2005-11-10 |
JP4636360B2 JP4636360B2 (ja) | 2011-02-23 |
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JP2004132043A Expired - Lifetime JP4636360B2 (ja) | 2004-04-27 | 2004-04-27 | 受配電設備 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102064015A (zh) * | 2010-12-06 | 2011-05-18 | 保定天威集团有限公司 | 一种免现场干燥装入式电流互感器 |
CN103559995A (zh) * | 2013-10-22 | 2014-02-05 | 江苏靖江互感器厂有限公司 | 一种电流互感器用无磁不锈钢护装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5667915A (en) * | 1979-11-06 | 1981-06-08 | Fuji Electric Co Ltd | Current sensor for electronic circuit |
JPS59176306U (ja) * | 1983-05-11 | 1984-11-26 | 富士電機株式会社 | 遮断器における絶縁パイプの固定構造 |
JPS61135106A (ja) * | 1984-12-06 | 1986-06-23 | Toshiba Corp | 可飽和リアクトル |
JPS62170623U (ja) * | 1986-04-18 | 1987-10-29 | ||
JPH05347221A (ja) * | 1992-06-16 | 1993-12-27 | Mitsubishi Electric Corp | コアケース |
JPH0992560A (ja) * | 1995-09-21 | 1997-04-04 | Toko Denki Kk | 変流器 |
JP2001015365A (ja) * | 1999-07-02 | 2001-01-19 | Toko Electric Corp | 変流器 |
US20020145416A1 (en) * | 2001-04-10 | 2002-10-10 | Farshid Attarian | Compact low cost current sensor and current transformer core having improved dynamic range |
-
2004
- 2004-04-27 JP JP2004132043A patent/JP4636360B2/ja not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5667915A (en) * | 1979-11-06 | 1981-06-08 | Fuji Electric Co Ltd | Current sensor for electronic circuit |
JPS59176306U (ja) * | 1983-05-11 | 1984-11-26 | 富士電機株式会社 | 遮断器における絶縁パイプの固定構造 |
JPS61135106A (ja) * | 1984-12-06 | 1986-06-23 | Toshiba Corp | 可飽和リアクトル |
JPS62170623U (ja) * | 1986-04-18 | 1987-10-29 | ||
JPH05347221A (ja) * | 1992-06-16 | 1993-12-27 | Mitsubishi Electric Corp | コアケース |
JPH0992560A (ja) * | 1995-09-21 | 1997-04-04 | Toko Denki Kk | 変流器 |
JP2001015365A (ja) * | 1999-07-02 | 2001-01-19 | Toko Electric Corp | 変流器 |
US20020145416A1 (en) * | 2001-04-10 | 2002-10-10 | Farshid Attarian | Compact low cost current sensor and current transformer core having improved dynamic range |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102064015A (zh) * | 2010-12-06 | 2011-05-18 | 保定天威集团有限公司 | 一种免现场干燥装入式电流互感器 |
CN103559995A (zh) * | 2013-10-22 | 2014-02-05 | 江苏靖江互感器厂有限公司 | 一种电流互感器用无磁不锈钢护装置 |
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JP4636360B2 (ja) | 2011-02-23 |
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