JP2009105253A - 静止型電磁機器の円形鉄心 - Google Patents
静止型電磁機器の円形鉄心 Download PDFInfo
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- JP2009105253A JP2009105253A JP2007276163A JP2007276163A JP2009105253A JP 2009105253 A JP2009105253 A JP 2009105253A JP 2007276163 A JP2007276163 A JP 2007276163A JP 2007276163 A JP2007276163 A JP 2007276163A JP 2009105253 A JP2009105253 A JP 2009105253A
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- magnetic steel
- iron core
- steel plate
- circular iron
- radial direction
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 230000004907 flux Effects 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 5
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 239000002966 varnish Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Soft Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
【解決手段】円形の径方向に一定の曲率で湾曲し、その径方向に対して幅狭とした多数の磁性鋼板を積み重ねて円筒状の磁性鋼板ブロックを形成し、この磁性鋼板ブロックを同心で円形の径方向に順次積層して円形鉄心を構成する。この磁性鋼板ブロックの積層により、円形鉄心は磁性鋼板を放射状に並べたものと等価となり、この円形鉄心の外周にコイルを巻装しても短絡電流が発生しないし、また、漏洩磁束は、磁性鋼板の内部を、その幅方向に沿って通るようになり、磁性鋼板をその厚さ方向に通ることはなくなる。これにより漏洩磁束による渦電流の発生が抑制される。
【選択図】 図1
Description
A、B、C 円筒状の磁性鋼板ブロック
D、E 絶縁層
2a、2b、2c 磁性鋼板
3 磁性鋼板の湾曲部
4 磁性鋼板の屈曲部
Claims (1)
- 静止型電磁機器の円形鉄心であって、前記円形鉄心を、円形の径方向に一定の曲率で湾曲し、前記径方向に対して直径の1/4幅以下とした多数の磁性鋼板を積み重ねて形成した円筒状の磁性鋼板ブロックの複数を同心で前記径方向に順次積層して構成してなることを特徴とする静止型電磁機器の円形鉄心。
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JP2007276163A JP5152839B2 (ja) | 2007-10-24 | 2007-10-24 | 静止型電磁機器の円形鉄心 |
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JP2007276163A JP5152839B2 (ja) | 2007-10-24 | 2007-10-24 | 静止型電磁機器の円形鉄心 |
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JP2009105253A true JP2009105253A (ja) | 2009-05-14 |
JP5152839B2 JP5152839B2 (ja) | 2013-02-27 |
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JP2007276163A Active JP5152839B2 (ja) | 2007-10-24 | 2007-10-24 | 静止型電磁機器の円形鉄心 |
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JP (1) | JP5152839B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011080721A (ja) * | 2009-10-09 | 2011-04-21 | Tokuden Co Ltd | 流体加熱装置 |
JP2011082387A (ja) * | 2009-10-08 | 2011-04-21 | Tokuden Co Ltd | 静止型誘導機器 |
JP2011155079A (ja) * | 2010-01-26 | 2011-08-11 | Tokuden Co Ltd | 環状鉄心及び静止誘導機器用鉄心 |
JP2015135231A (ja) * | 2013-12-20 | 2015-07-27 | トクデン株式会社 | 過熱水蒸気発生装置 |
CN109063352A (zh) * | 2018-08-10 | 2018-12-21 | 上海汽轮机厂有限公司 | 提高汽轮机叶片型面光顺度的方法 |
US10510480B2 (en) | 2013-12-20 | 2019-12-17 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4734175B1 (ja) * | 1969-03-05 | 1972-08-29 | ||
JPS5472455A (en) * | 1977-11-18 | 1979-06-09 | Nissin Electric Co Ltd | Core type reactor with gap |
JPS55181322U (ja) * | 1979-06-14 | 1980-12-26 | ||
JPS60161603A (ja) * | 1984-02-02 | 1985-08-23 | Toshiba Corp | 放射状鉄心 |
JPH1055878A (ja) * | 1996-08-07 | 1998-02-24 | Tokuden Co Ltd | 低周波電磁誘導加熱器 |
JP2002305865A (ja) * | 2001-03-30 | 2002-10-18 | Sanyo Denki Co Ltd | 円筒状積層コアユニット及び円筒状積層コア |
-
2007
- 2007-10-24 JP JP2007276163A patent/JP5152839B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4734175B1 (ja) * | 1969-03-05 | 1972-08-29 | ||
JPS5472455A (en) * | 1977-11-18 | 1979-06-09 | Nissin Electric Co Ltd | Core type reactor with gap |
JPS55181322U (ja) * | 1979-06-14 | 1980-12-26 | ||
JPS60161603A (ja) * | 1984-02-02 | 1985-08-23 | Toshiba Corp | 放射状鉄心 |
JPH1055878A (ja) * | 1996-08-07 | 1998-02-24 | Tokuden Co Ltd | 低周波電磁誘導加熱器 |
JP2002305865A (ja) * | 2001-03-30 | 2002-10-18 | Sanyo Denki Co Ltd | 円筒状積層コアユニット及び円筒状積層コア |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011082387A (ja) * | 2009-10-08 | 2011-04-21 | Tokuden Co Ltd | 静止型誘導機器 |
JP2011080721A (ja) * | 2009-10-09 | 2011-04-21 | Tokuden Co Ltd | 流体加熱装置 |
JP2011155079A (ja) * | 2010-01-26 | 2011-08-11 | Tokuden Co Ltd | 環状鉄心及び静止誘導機器用鉄心 |
JP2015135231A (ja) * | 2013-12-20 | 2015-07-27 | トクデン株式会社 | 過熱水蒸気発生装置 |
US10510480B2 (en) | 2013-12-20 | 2019-12-17 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
US10650962B2 (en) | 2013-12-20 | 2020-05-12 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
US10840011B2 (en) | 2013-12-20 | 2020-11-17 | Tokuden Co., Ltd. | Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator |
US10978243B2 (en) | 2013-12-20 | 2021-04-13 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
CN109063352A (zh) * | 2018-08-10 | 2018-12-21 | 上海汽轮机厂有限公司 | 提高汽轮机叶片型面光顺度的方法 |
CN109063352B (zh) * | 2018-08-10 | 2023-01-06 | 上海汽轮机厂有限公司 | 提高汽轮机叶片型面光顺度的方法 |
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JP5152839B2 (ja) | 2013-02-27 |
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