JP4664181B2 - 電力用変圧器 - Google Patents
電力用変圧器 Download PDFInfo
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- JP4664181B2 JP4664181B2 JP2005310617A JP2005310617A JP4664181B2 JP 4664181 B2 JP4664181 B2 JP 4664181B2 JP 2005310617 A JP2005310617 A JP 2005310617A JP 2005310617 A JP2005310617 A JP 2005310617A JP 4664181 B2 JP4664181 B2 JP 4664181B2
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- winding
- transformer
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- impedance
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Description
A,B,N 単位円板コイル
a,b コイル導体
C 等価キャパシタンス
L0 付加インダクタンス
L11 一次巻線T1の等価漏れインダクタンス
L13 一次巻線T1と三次巻線T3の等価漏れインダクタンス
R0 付加抵抗
R11 一次巻線T1の等価抵抗
R13 一次巻線T1と三次巻線T3の等価抵抗
T1 一次巻線
T2 二次巻線
T3 三次巻線
Z 付加インピーダンス
Claims (1)
- 非有効接地系に使用される受配電設備の電力用変圧器において、その変圧器の巻線を、星形結線された一次巻線および二次巻線と、付加インピーダンスを介して三角結線した三次巻線によって構成し、かつ、前記付加インピーダンスは、インダクタンスと抵抗の並列回路とし、前記インダクタンスは、商用電源周波数の第三調波に対しては低いインピーダンスとなるように設定し、抵抗は、変圧器巻線の高周波共振に対して共振を抑制する抵抗値に設定して構成したことを特徴とする電力用変圧器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005310617A JP4664181B2 (ja) | 2005-10-26 | 2005-10-26 | 電力用変圧器 |
Applications Claiming Priority (1)
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JP2005310617A JP4664181B2 (ja) | 2005-10-26 | 2005-10-26 | 電力用変圧器 |
Publications (2)
Publication Number | Publication Date |
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JP2007123368A JP2007123368A (ja) | 2007-05-17 |
JP4664181B2 true JP4664181B2 (ja) | 2011-04-06 |
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JP2005310617A Active JP4664181B2 (ja) | 2005-10-26 | 2005-10-26 | 電力用変圧器 |
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JP (1) | JP4664181B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5373339A (en) * | 1976-12-13 | 1978-06-29 | Takaoka Electric Mfg Co Ltd | Method of and device for detecting internal fault of threeephase transformer |
JPS5558019U (ja) * | 1978-10-17 | 1980-04-19 | ||
JPS6184008A (ja) * | 1984-10-01 | 1986-04-28 | Toshiba Corp | 3相変圧器 |
JPH01179423U (ja) * | 1988-06-06 | 1989-12-22 | ||
JP3164992B2 (ja) * | 1995-02-03 | 2001-05-14 | 日本原子力研究所 | 誘導障害防止接地設備 |
-
2005
- 2005-10-26 JP JP2005310617A patent/JP4664181B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5373339A (en) * | 1976-12-13 | 1978-06-29 | Takaoka Electric Mfg Co Ltd | Method of and device for detecting internal fault of threeephase transformer |
JPS5558019U (ja) * | 1978-10-17 | 1980-04-19 | ||
JPS6184008A (ja) * | 1984-10-01 | 1986-04-28 | Toshiba Corp | 3相変圧器 |
JPH01179423U (ja) * | 1988-06-06 | 1989-12-22 | ||
JP3164992B2 (ja) * | 1995-02-03 | 2001-05-14 | 日本原子力研究所 | 誘導障害防止接地設備 |
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JP2007123368A (ja) | 2007-05-17 |
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