JPH0438023U - - Google Patents
Info
- Publication number
- JPH0438023U JPH0438023U JP8105890U JP8105890U JPH0438023U JP H0438023 U JPH0438023 U JP H0438023U JP 8105890 U JP8105890 U JP 8105890U JP 8105890 U JP8105890 U JP 8105890U JP H0438023 U JPH0438023 U JP H0438023U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- annular magnetic
- wound
- test coil
- detection winding
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Description
第１図は本考案による零相変流器を示す平面図
及び断面図で、第１図ａは平面図、第１図ｂは縦
断面図、第２図は本考案による零相変流器の外観
斜視図、第３図は本考案による零相変流器の磁気
シールドケースの一部外周に絶縁テープを巻回し
た外観斜視図、第４図は磁気シールドケースの上
にテーピングした絶縁テープ上にテストコイルを
巻回した外観斜視図。
１……磁心に検出巻線を巻回したコイル、２…
…シールドリング、３……磁気シールドケース、
４……絶縁テープ、５……テストコイル、６……
検出巻線のリード線、７……テストコイルのリー
ド線、８……充填樹脂、９……外装ケース、１０
……外装ケース凸部。
Fig. 1 is a plan view and a sectional view showing a zero-phase current transformer according to the present invention, Fig. 1 a is a plan view, Fig. 1 b is a longitudinal sectional view, and Fig. 2 is a zero-phase current transformer according to the present invention. Figure 3 is a perspective view of an external appearance of a zero-phase current transformer according to the present invention with insulating tape wrapped around a part of its outer circumference, and Figure 4 is an insulating tape taped on top of the magnetic shielding case. A perspective view of the exterior with a test coil wound on top. 1... Coil with a detection winding wound around a magnetic core, 2...
...Shield ring, 3...Magnetic shield case,
4...Insulating tape, 5...Test coil, 6...
Detection winding lead wire, 7...Test coil lead wire, 8...Filled resin, 9...Exterior case, 10
...Exterior case protrusion.
Claims (1)
環状磁心と、環状磁心を包む磁気シールド部材と
、巻線端末のリード線とから成る構成部品を、内
径に被測定電流が流れる貫通導体を挿通する外装
ケースに収納し、該外装ケース内部に樹脂を充填
して成る零相変流器において、検出巻線を巻回し
た環状磁心に装着した磁気シールド部材の上に、
高耐電圧特性を有する絶縁テープを巻き、該絶縁
テープ上にテストコイルを巻回し、前記検出巻線
上にテストコイルを巻き付けた環状磁心を円形の
内径側に局部的に凸部を設けた外装ケースに収納
し、樹脂により充填し構成したことを特徴とする
テストコイル内蔵型の零相変流器。 A component consisting of an annular magnetic core with a high initial relative permeability characteristic around which a detection winding is wound, a magnetic shielding member surrounding the annular magnetic core, and a lead wire at the end of the winding is connected to a through conductor through which the current to be measured flows through the inner diameter. In a zero-phase current transformer that is housed in an outer case through which the sensor is inserted, and the outer case is filled with resin, a magnetic shielding member attached to an annular magnetic core around which a detection winding is wound,
An exterior case with an annular magnetic core wrapped with an insulating tape having high withstand voltage characteristics, a test coil wound on the insulating tape, and a test coil wrapped around the detection winding, with a convex portion locally provided on the circular inner diameter side. A zero-phase current transformer with a built-in test coil, characterized in that it is housed in a container and filled with resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8105890U JP2522255Y2 (en) | 1990-07-30 | 1990-07-30 | Zero-phase current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8105890U JP2522255Y2 (en) | 1990-07-30 | 1990-07-30 | Zero-phase current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0438023U true JPH0438023U (en) | 1992-03-31 |
| JP2522255Y2 JP2522255Y2 (en) | 1997-01-08 |
Family
ID=31626665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8105890U Expired - Lifetime JP2522255Y2 (en) | 1990-07-30 | 1990-07-30 | Zero-phase current transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522255Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2887634B1 (en) * | 2005-06-24 | 2007-08-10 | Schneider Electric Ind Sas | DIFFERENTIAL CURRENT MEASURING DEVICE, TRIGGER MODULE COMPRISING SUCH A MEASURING DEVICE AND CUTTING DEVICE HAVING SUCH A MODULE |
-
1990
- 1990-07-30 JP JP8105890U patent/JP2522255Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2522255Y2 (en) | 1997-01-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |