JPH0645161A - Transformer winding wire - Google Patents
Transformer winding wireInfo
- Publication number
- JPH0645161A JPH0645161A JP19952092A JP19952092A JPH0645161A JP H0645161 A JPH0645161 A JP H0645161A JP 19952092 A JP19952092 A JP 19952092A JP 19952092 A JP19952092 A JP 19952092A JP H0645161 A JPH0645161 A JP H0645161A
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- winding
- primary
- winding wire
- impedance
- tap
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、２回路の二次巻線を有
する内鉄形３巻線変圧器の巻線に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner iron type three-winding transformer winding having two secondary windings.
【０００２】[0002]
【従来の技術】従来、２回路の二次巻線を有する内鉄形
３巻線変圧器の巻線としては、２回路の二次巻線を同心
円の内側の上下に配置し、一次巻線を同心円の外側の上
下に配置して並列に接続したスプリット巻線方式が一般
に採用されている。2. Description of the Related Art Conventionally, as windings of an inner iron type three-winding transformer having a secondary winding of two circuits, the secondary windings of two circuits are arranged above and below a concentric circle, and A split winding method is generally adopted in which the coils are arranged outside the concentric circles and are connected in parallel.
【０００３】図４は従来のスプリット巻線の構成を示す
巻線配置図で、鉄心脚１１の外周に二次巻線１２および
１３が上下に配置され、この二次巻線１２および１３の
外周に一次主巻線１４および１５が上下に配置され、さ
らにこの一次主巻線１４および１５の外側に一次タップ
巻線１６および１７が上下に配置されている。そして一
次タップ巻線１６の下部のリードと一次タップ巻線１７
の上部のリードが接続されて一次巻線１８の一方の端子
１９として引き出されている。一次タップ巻線１６の上
部のリードと一次主巻線１４の下部のリードが接続さ
れ、一次タップ巻線１７の下部のリードと一次主巻線１
５の上部のリードが接続され、一次主巻線１４の上部リ
ードと一次主巻線１５の下部リードが接続されて一次巻
線１８の他方の端子２０として引き出されている。この
ように一次巻線１８は２回路が並列接続されている。FIG. 4 is a winding arrangement diagram showing the structure of a conventional split winding, in which secondary windings 12 and 13 are vertically arranged on the outer circumference of an iron core leg 11, and the outer circumferences of the secondary windings 12 and 13 are arranged. The primary main windings 14 and 15 are arranged vertically, and the primary tap windings 16 and 17 are arranged vertically outside the primary main windings 14 and 15. And the lower lead of the primary tap winding 16 and the primary tap winding 17
Of the primary winding 18 is connected and led out as one terminal 19 of the primary winding 18. The upper lead of the primary tap winding 16 and the lower lead of the primary main winding 14 are connected, and the lower lead of the primary tap winding 17 and the primary main winding 1
5, the upper lead of the primary winding 14 is connected to the upper lead of the primary main winding 14 and the lower lead of the primary main winding 15 is connected to the other terminal 20 of the primary winding 18. In this way, the primary winding 18 has two circuits connected in parallel.
【０００４】図５は従来のスプリット巻線の巻線間イン
ピーダンスの関係を表す配置図で、図５において、一次
巻線Ｐと二次巻線Ｓ（Ａ）の間のインピーダンスを％Ｉ
ＺP-S(A)、一次巻線Ｐと二次巻線Ｓ（Ｂ）の間のインピ
ーダンスを％ＩＺP-S(B)、二次巻線Ｓ（Ａ）と二次巻線
Ｓ（Ｂ）の間のインピーダンスを％ＩＺS(A)-S(B) とすれば、 ％ＩＺP-S(A)＝％ＩＺP-S(B)、 ％ＩＺS(A)-S(B)＝２×％ＩＺP-S(A)＝２×％ＩＺP-S(B) となり、三巻線分離時の一次分離インピーダンスが零
で、二次側の互いの負荷変動による影響を受けないが、
低インピーダンスの変圧器巻線が実現できない。FIG. 5 is a layout diagram showing the relationship between the inter-winding impedances of a conventional split winding. In FIG. 5, the impedance between the primary winding P and the secondary winding S (A) is represented by% I.
Z PS (A) , impedance between primary winding P and secondary winding S (B) is% IZ PS (B) , between secondary winding S (A) and secondary winding S (B) If the impedance of is IZ S (A) -S (B) , then% IZ PS (A) =% IZ PS (B) ,% IZ S (A) -S (B) = 2 x% IZ PS ( A) = 2 x% IZ PS (B) , the primary isolation impedance is zero when the three windings are isolated, and they are not affected by mutual load fluctuations on the secondary side.
A low impedance transformer winding cannot be realized.
【０００５】図６は従来のスプリット巻線の等価回路
で、図６において、一次巻線Ｐと二次巻線Ｓ（Ａ）の間
のインピーダンスを％ＩＺP-S(A)、一次巻線Ｐと二次巻
線Ｓ（Ｂ）の間のインピーダンスを％ＩＺP-S(B)、二次
巻線Ｓ（Ａ）と二次巻線Ｓ（Ｂ）の間のインピーダンス
を ％ＩＺS(A)-S(B) とし、 ％ＩＺ＝（％ＩＺP-S(A)＋％ＩＺP-S(B)＋％ＩＺS(A)-S(B)）／２ とすれば、一次分離インピーダンス％ＩＺPは、 ％ＩＺP＝％ＩＺ−％ＩＺS(A)-S(B) となる。FIG. 6 is an equivalent circuit of a conventional split winding. In FIG. 6, the impedance between the primary winding P and the secondary winding S (A) is represented by% IZ PS (A) and The impedance between the secondary winding S (B) is% IZ PS (B) , and the impedance between the secondary winding S (A) and the secondary winding S (B) is% IZ S (A) -S. If (B) and% IZ = (% IZ PS (A) +% IZ PS (B) +% IZ S (A) -S (B) ) / 2, the primary separation impedance% IZ P is IZ P =% IZ-% IZ S (A) -S (B) .
【０００６】[0006]
【発明が解決しようとする課題】図７は従来の内鉄形変
圧器の巻線配置を示す巻線配置図で、図７において、Ｐ
は一次巻線、Ｓは二次巻線で、Ｋ＝定数、Ａ×Ｔ＝（電
流）×（ターン数）、ｅは１ターン当たりの誘起電圧、
Ｕｍ＝一次巻線とＰ二次巻線Ｓの平均周長、Ｈ＝巻線の
高さ、ｄ0＝一次巻線Ｐと二次巻線Ｓとの間の寸法、ｄ1
＝一次巻線Ｐの巻幅、ｄ2＝二次巻線Ｓの巻幅、ｄ0＝一
次巻線Ｐと二次巻線Ｓとの間の寸法、とすると、内鉄型
変圧器のインピーダンス％ＩＸPSは、FIG. 7 is a winding layout diagram showing a winding layout of a conventional inner iron type transformer. In FIG.
Is a primary winding, S is a secondary winding, K = constant, A × T = (current) × (number of turns), e is an induced voltage per turn,
Um = average circumference of primary winding and P secondary winding S, H = winding height, d 0 = dimension between primary winding P and secondary winding S, d 1
= Primary winding P winding width, d 2 = secondary winding S winding width, d 0 = dimension between primary winding P and secondary winding S, and impedance of inner iron transformer % IX PS is
【０００７】[0007]
【数１】 [Equation 1]
【０００８】で表される。It is represented by
【０００９】このように、従来のスプリット巻線の場
合、Ｈが小さく、ｄ1，ｄ2が大きくなるため、高インピ
ーダンス変圧器の場合は有利であるが、低インピーダン
ス変圧器への適用が困難であり、低インピーダンスの変
圧器巻線が実現できない。As described above, in the case of the conventional split winding, since H is small and d 1 and d 2 are large, it is advantageous in the case of a high impedance transformer, but it is difficult to apply it to a low impedance transformer. Therefore, a low-impedance transformer winding cannot be realized.
【００１０】図８は従来の変圧器巻線の漏れ磁束量を示
す磁束状態図で、横軸は巻線径方向の位置を表し、縦軸
は漏れ磁束量を表している。また、実線は一次電圧が定
格電圧の場合の漏れ磁束量を、点線は一次電圧が最高タ
ップ電圧の場合の漏れ磁束量を、一点鎖線は一次電圧が
最低タップ電圧の場合の漏れ磁束量を示している。FIG. 8 is a magnetic flux state diagram showing the amount of leakage magnetic flux of a conventional transformer winding, in which the horizontal axis represents the position in the winding radial direction and the vertical axis represents the leakage magnetic flux amount. The solid line shows the amount of magnetic flux leakage when the primary voltage is the rated voltage, the dotted line shows the amount of magnetic flux leakage when the primary voltage is the highest tap voltage, and the dashed line shows the amount of magnetic flux leakage when the primary voltage is the minimum tap voltage. ing.
【００１１】横軸より上側の線は二次巻線Ｓ（Ａ）と一
次巻線Ｐの関係を表し、横軸より下側の線は二次巻線Ｓ
（Ｂ）と一次巻線Ｐの関係を表す。The line above the horizontal axis represents the relationship between the secondary winding S (A) and the primary winding P, and the line below the horizontal axis is the secondary winding S.
The relationship between (B) and the primary winding P is shown.
【００１２】一次巻線の外側に一次タップ巻線を配置し
ているため、一次タップを切換えた場合のタップ変化に
よるインピーダンス変化量が大きい。Since the primary tap winding is arranged outside the primary winding, the impedance change amount due to the tap change when the primary taps are switched is large.
【００１３】図９は従来の変圧器巻線の一次タップを換
えた場合のインピーダンスの変化を示すインピーダンス
状態図で、横軸は一次タップの変化の状態を表し、縦軸
はインピーダンスの大きさを表している。FIG. 9 is an impedance state diagram showing the change in impedance when the primary tap of the conventional transformer winding is changed. The horizontal axis shows the state of change of the primary tap, and the vertical axis shows the magnitude of impedance. It represents.
【００１４】鉄心中の全磁束量をΦC、漏れ磁束の総量
をΦとすれば、％ＩＺ＝％ＩＸ＝Φ／ΦC×１００
（％） であり、実線で示すように、一次巻線Ｐと内側
二次巻線Ｓ（Ａ）の間のインピーダンスと、一次巻線Ｐ
と内側二次巻線Ｓ（Ｂ）の間のインピーダンスは等し
い。このように、一次タップを切換えた場合のタップ変
化によるインピーダンス変化量が大きいなどの問題点が
あった。Assuming that the total amount of magnetic flux in the iron core is Φ C and the total amount of leakage magnetic flux is Φ,% IZ =% IX = Φ / Φ C × 100
(%), As shown by the solid line, the impedance between the primary winding P and the inner secondary winding S (A) and the primary winding P
And the inner secondary winding S (B) have equal impedance. As described above, there is a problem that the amount of impedance change due to tap change when the primary tap is switched is large.
【００１５】本発明は以上のような点に鑑みてなされた
もので、一次巻線と二つの二次巻線間のインピーダンス
がほぼ同一で、低インピーダンス化が可能であり、一次
タップ変化によるインピーダンス変化量が微小で、かつ
一次分離インピーダンスを零にすることができる変圧器
巻線を提供することを目的とする。The present invention has been made in view of the above points, and the impedance between the primary winding and the two secondary windings is substantially the same, and it is possible to reduce the impedance. An object of the present invention is to provide a transformer winding having a small change amount and capable of reducing the primary isolation impedance to zero.
【００１６】[0016]
【課題を解決するための手段】本発明の変圧器巻線は、
鉄心脚の外側に内側二次巻線、内側一次主巻線、一次タ
ップ巻線、外側一次主巻線、外側二次巻線の順に巻回し
て配置し、前記一次タップ巻線、内側一次主巻線、外側
一次主巻線を直列に接続して一次巻線を構成するととも
に、前記内側二次巻線および外側二次巻線をそれぞれ独
立の回路としたことを特徴としている。The transformer winding of the present invention comprises:
The inner secondary winding, the inner primary main winding, the primary tap winding, the outer primary main winding, and the outer secondary winding are wound and arranged in this order on the outer side of the iron core leg. The winding and the outer primary main winding are connected in series to form a primary winding, and the inner secondary winding and the outer secondary winding are independent circuits.
【００１７】[0017]
【作用】上述のごとく構成されているから、一次巻線と
二つの二次巻線間のインピーダンスがほぼ同一で、低イ
ンピーダンス化が可能であり、一次タップ変化によるイ
ンピーダンス変化量が微小で、かつ一次分離インピーダ
ンスを零にすることができる。With the configuration as described above, the impedance between the primary winding and the two secondary windings is almost the same, and it is possible to reduce the impedance, and the impedance variation due to the primary tap change is small, and The primary isolation impedance can be zero.
【００１８】[0018]
【実施例】以下、本発明の変圧器巻線の実施例を図面に
基づいて説明する。図１は本発明の変圧器巻線の実施例
を示す巻線配置図で、図１において、鉄心脚１の外側に
内側二次巻線２、内側一次主巻線３、一次タップ巻線
４、外側一次主巻線５、外側二次巻線６の順に巻回して
配置され、前記一次タップ巻線４の下側を一次巻線７の
一方の端子８とし、一次タップ巻線４の上側と内側一次
主巻線３の上側を接続し、次に内側一次主巻線３の下側
と外側一次主巻線５の下側を接続し、外側一次主巻線５
の上側を一次巻線７の他方の端子９としている。このよ
うに、一次タップ巻線４、内側一次主巻線３、外側一次
主巻線５を直列に接続して一次巻線７を構成している。Embodiments of the transformer winding of the present invention will be described below with reference to the drawings. FIG. 1 is a winding arrangement diagram showing an embodiment of a transformer winding of the present invention. In FIG. 1, an inner secondary winding 2, an inner primary main winding 3, a primary tap winding 4 are provided outside the iron core leg 1. , The outer primary main winding 5, and the outer secondary winding 6 are wound in this order, and the lower side of the primary tap winding 4 serves as one terminal 8 of the primary winding 7 and the upper side of the primary tap winding 4. And the upper side of the inner primary main winding 3 are connected, then the lower side of the inner primary main winding 3 and the lower side of the outer primary main winding 5 are connected, and the outer primary main winding 5
The upper side of is the other terminal 9 of the primary winding 7. In this way, the primary tap winding 4, the inner primary main winding 3, and the outer primary main winding 5 are connected in series to form the primary winding 7.
【００１９】一方、前記内側二次巻線２および外側二次
巻線６はそれぞれ独立の回路の二次巻線としている。On the other hand, the inner secondary winding 2 and the outer secondary winding 6 are secondary windings of independent circuits.
【００２０】図２は本発明の変圧器巻線の実施例の漏れ
磁束量を示す磁束状態図で、横軸は巻線径方向の位置を
表し、縦軸は漏れ磁束量を表している。また、実線は一
次電圧が定格電圧の場合の漏れ磁束量を、点線は一次電
圧が最高タップ電圧の場合の漏れ磁束量を、一点鎖線は
一次電圧が最低タップ電圧の場合の漏れ磁束量を示して
いる。FIG. 2 is a magnetic flux state diagram showing the amount of leakage magnetic flux in the embodiment of the transformer winding of the present invention. The horizontal axis represents the position in the winding radial direction, and the vertical axis represents the leakage magnetic flux amount. The solid line shows the amount of magnetic flux leakage when the primary voltage is the rated voltage, the dotted line shows the amount of magnetic flux leakage when the primary voltage is the highest tap voltage, and the dashed line shows the amount of magnetic flux leakage when the primary voltage is the minimum tap voltage. ing.
【００２１】図３は本発明の変圧器巻線の実施例の一次
タップを換えた場合のインピーダンスの変化を示すイン
ピーダンス状態図で、横軸は一次タップの変化の状態を
表し、縦軸はインピーダンスの大きさを表している。ま
た、実線は一次巻線と内側二次巻線との間のインピーダ
ンスを、点線は一次巻線と外側二次巻線との間のインピ
ーダンスを示している。FIG. 3 is an impedance state diagram showing the change in impedance when the primary taps of the transformer winding of the present invention are changed. The horizontal axis shows the state of change of the primary taps and the vertical axis shows the impedance. Represents the size of. The solid line indicates the impedance between the primary winding and the inner secondary winding, and the dotted line indicates the impedance between the primary winding and the outer secondary winding.
【００２２】巻線形状（高さ、巻厚）および巻線間寸法
を調整することにより、％ＩＺS(A)-S(B) と２×％Ｉ
ＺP-S(A)と２×％ＩＺP-S(B)をほぼ等しくすることが可
能であり、その結果、一次分離インピーダンスを零、ま
たは、ほぼ零とすることができる。By adjusting the winding shape (height, winding thickness) and the dimension between windings,% IZ S (A) -S (B) and 2 ×% I
It is possible to make Z PS (A) and 2 ×% IZ PS (B) approximately equal, so that the primary isolation impedance can be zero or nearly zero.
【００２３】[0023]
【発明の効果】以上述べたように、 (1)一次巻線と二つの二次巻線の間のインピーダンスが
ほぼ同一で、低インピーダンス化が可能である。As described above, (1) the impedance between the primary winding and the two secondary windings is substantially the same, and it is possible to reduce the impedance.
【００２４】(2)一次巻線のタップの変化によるインピ
ーダンス変化が極めて少ない。(2) The impedance change due to the change of the tap of the primary winding is extremely small.
【００２５】(3)巻線形状および巻線間寸法を適切に選
定することにより、一次分離インピーダンスを零にする
ことができる。(3) The primary isolation impedance can be made zero by appropriately selecting the winding shape and the interwinding dimension.
【００２６】などの優れた効果が得られる。Excellent effects such as the above can be obtained.
【図１】本発明の変圧器巻線の実施例を示す巻線配置
図。FIG. 1 is a winding arrangement diagram showing an embodiment of a transformer winding of the present invention.
【図２】本発明の変圧器巻線の実施例の漏れ磁束量を示
す磁束状態図。FIG. 2 is a magnetic flux state diagram showing a leakage magnetic flux amount of an embodiment of a transformer winding of the present invention.
【図３】本発明の変圧器巻線の実施例の一次タップを換
えた場合のインピーダンスの変化を示すインピーダンス
状態図。FIG. 3 is an impedance state diagram showing changes in impedance when the primary taps of the transformer winding of the present invention are changed.
【図４】従来の変圧器巻線の巻線構造を示す巻線配置
図。FIG. 4 is a winding layout diagram showing a winding structure of a conventional transformer winding.
【図５】従来の変圧器巻線の漏れ磁束量を示す磁束状態
図。FIG. 5 is a magnetic flux state diagram showing a leakage magnetic flux amount of a conventional transformer winding.
【図６】従来の変圧器巻線の一次タップを換えた場合の
インピーダンスの変化を示すインピーダンス状態図。FIG. 6 is an impedance state diagram showing a change in impedance when a primary tap of a conventional transformer winding is changed.
【図７】従来の内鉄形変圧器の巻線配置を示す巻線配置
図。FIG. 7 is a winding layout diagram showing a winding layout of a conventional inner iron type transformer.
【図８】従来の変圧器巻線の漏れ磁束量を示す磁束状態
図。FIG. 8 is a magnetic flux state diagram showing a leakage magnetic flux amount of a conventional transformer winding.
【図９】従来の変圧器巻線の一次タップを換えた場合の
インピーダンスの変化を示すインピーダンス状態図。FIG. 9 is an impedance state diagram showing a change in impedance when the primary tap of the conventional transformer winding is changed.
１…鉄心脚 ２…内側二次巻線 ３…内側一次主巻線 ４…一次タップ巻線 ５…外側一次主巻線 ６…外側二次巻線 ７…一次巻線 ８，９…一次巻線端子 1 ... Iron core 2 ... Inner secondary winding 3 ... Inner primary main winding 4 ... Primary tap winding 5 ... Outer primary main winding 6 ... Outer secondary winding 7 ... Primary winding 8, 9 ... Primary winding Terminal
Claims (1)
において、鉄心脚の外側に内側二次巻線、内側一次主巻
線、一次タップ巻線、外側一次主巻線、外側二次巻線の
順に巻回して配置し、前記一次タップ巻線、内側一次主
巻線、外側一次主巻線を直列に接続して一次巻線を構成
するとともに、前記内側二次巻線および外側二次巻線を
それぞれ独立の回路としたことを特徴とする変圧器巻
線。1. An inner iron type transformer having a secondary winding of two circuits, wherein an inner secondary winding, an inner primary main winding, a primary tap winding, an outer primary main winding, and an outer portion are provided outside an iron core leg. A secondary winding is wound in this order and arranged, and the primary tap winding, the inner primary main winding, and the outer primary main winding are connected in series to form a primary winding, and the inner secondary winding and A transformer winding characterized in that the outer secondary winding is an independent circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19952092A JP3343945B2 (en) | 1992-07-27 | 1992-07-27 | Transformer winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19952092A JP3343945B2 (en) | 1992-07-27 | 1992-07-27 | Transformer winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0645161A true JPH0645161A (en) | 1994-02-18 |
| JP3343945B2 JP3343945B2 (en) | 2002-11-11 |
Family
ID=16409197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19952092A Expired - Lifetime JP3343945B2 (en) | 1992-07-27 | 1992-07-27 | Transformer winding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3343945B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420042A (en) * | 2011-12-05 | 2012-04-18 | 保定天威集团有限公司 | Multifunctional transformer for power plant |
| CN102543397A (en) * | 2010-12-24 | 2012-07-04 | 特变电工沈阳变压器集团有限公司 | Ultrahigh-voltage large-capacity split-winding type transformer |
| CN103824689A (en) * | 2014-03-06 | 2014-05-28 | 山东达驰电气有限公司 | Rectifier transformer adopting series winding |
-
1992
- 1992-07-27 JP JP19952092A patent/JP3343945B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543397A (en) * | 2010-12-24 | 2012-07-04 | 特变电工沈阳变压器集团有限公司 | Ultrahigh-voltage large-capacity split-winding type transformer |
| CN102420042A (en) * | 2011-12-05 | 2012-04-18 | 保定天威集团有限公司 | Multifunctional transformer for power plant |
| CN103824689A (en) * | 2014-03-06 | 2014-05-28 | 山东达驰电气有限公司 | Rectifier transformer adopting series winding |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3343945B2 (en) | 2002-11-11 |
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