JPS5879840U - Current transformer for overcurrent relay for circuit breakers - Google Patents
Current transformer for overcurrent relay for circuit breakersInfo
- Publication number
- JPS5879840U JPS5879840U JP17140781U JP17140781U JPS5879840U JP S5879840 U JPS5879840 U JP S5879840U JP 17140781 U JP17140781 U JP 17140781U JP 17140781 U JP17140781 U JP 17140781U JP S5879840 U JPS5879840 U JP S5879840U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- current transformer
- overcurrent relay
- circuit breakers
- circuit breaker
- 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
Landscapes
- Transformers For Measuring Instruments (AREA)
- Breakers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図はこの考案の背景となる従来装置の変流
器を備えた回路しゃ断器の一例を示す構造断面図、なら
びに背面図である。第３図は変流器の一次電流と二次電
流との相関を示す変流特性図、第４図はこの考案の一実
施例を示す本案変流装置を備えた回路しゃ断器の背面図
、第５図は本案装置の要部を示す斜視図である。
図で８は端子導体、３ａ、 ８ｂは切欠き部１．１４は
過電流継電器用変流器、１６は開口部、１７は磁気鉄心
、１７ａ、 １７ａ’は第１の磁気鉄心部、１７ｂ、
１７ｂ’は第２の磁気鉄心部、１８ａ、 １８ｂ
ハ二次巻線。FIGS. 1 and 2 are a structural sectional view and a rear view showing an example of a circuit breaker equipped with a current transformer, which is a conventional device, which is the background of this invention. Fig. 3 is a current transformation characteristic diagram showing the correlation between the primary current and secondary current of a current transformer; Fig. 4 is a rear view of a circuit breaker equipped with the present current transformation device showing an embodiment of this invention; FIG. 5 is a perspective view showing the main parts of the present device. In the figure, 8 is a terminal conductor, 3a, 8b are notches 1, 14 is a current transformer for overcurrent relay, 16 is an opening, 17 is a magnetic core, 17a, 17a' is a first magnetic core, 17b,
17b' is the second magnetic core part, 18a, 18b
C Secondary winding.
Claims (1)
主電路の端子導体を夫々−次導体として積層鉄板により
中心に開口部を有する矩形状に組枠された磁気鉄心内を
貫通させ、前記磁気鉄心は一対の対応する二次巻線を巻
装する第一の磁気鉄心部と、一対の対応する二次巻線を
巻装しない隣接の第二の磁気鉄心部とより構成され、前
記端子導体の第二の磁気鉄心部に近接する部分に切欠き
部を設けて前記端子導体の一部を狭めてなる回路しゃ断
器の過電流継電器用変流器。The terminal conductors of the main circuits of each phase, which are arranged relatively close to each other, of a multipolar circuit breaker are used as secondary conductors to pass through the magnetic core, which is framed by laminated iron plates in a rectangular shape with an opening in the center. and the magnetic core includes a first magnetic core portion around which a pair of corresponding secondary windings are wound, and an adjacent second magnetic core portion around which a pair of corresponding secondary windings are not wound. . A current transformer for an overcurrent relay of a circuit breaker, in which a notch portion is provided in a portion of the terminal conductor adjacent to the second magnetic core portion to narrow a portion of the terminal conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17140781U JPS5879840U (en) | 1981-11-19 | 1981-11-19 | Current transformer for overcurrent relay for circuit breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17140781U JPS5879840U (en) | 1981-11-19 | 1981-11-19 | Current transformer for overcurrent relay for circuit breakers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5879840U true JPS5879840U (en) | 1983-05-30 |
| JPS645868Y2 JPS645868Y2 (en) | 1989-02-14 |
Family
ID=29963332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17140781U Granted JPS5879840U (en) | 1981-11-19 | 1981-11-19 | Current transformer for overcurrent relay for circuit breakers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5879840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62291831A (en) * | 1986-06-10 | 1987-12-18 | オムロン株式会社 | Overcurrent relay |
-
1981
- 1981-11-19 JP JP17140781U patent/JPS5879840U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62291831A (en) * | 1986-06-10 | 1987-12-18 | オムロン株式会社 | Overcurrent relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645868Y2 (en) | 1989-02-14 |
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