JPS5879839U - Current transformer for overcurrent relay for circuit breakers - Google Patents
Current transformer for overcurrent relay for circuit breakersInfo
- Publication number
- JPS5879839U JPS5879839U JP17140681U JP17140681U JPS5879839U JP S5879839 U JPS5879839 U JP S5879839U JP 17140681 U JP17140681 U JP 17140681U JP 17140681 U JP17140681 U JP 17140681U JP S5879839 U JPS5879839 U JP S5879839U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- current transformer
- overcurrent relay
- circuit breakers
- core body
- 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図は本案装置の要部
を示す斜視図である。
図で８は端子導体、１４は過電流継電器用変流 ・器
、１６は開口部、１７は磁気鉄心本体、１７ａ。
１７ａ’は第一の磁気鉄心部、１７ｂ、 １７ｂ’
ハ第二の磁気鉄心部、１８ａ、１８ａｂは二次巻線、２
１は補助鉄心。
Ｉｆ！、２図
第４図
、２１FIGS. 1 and 2 are a structural cross-sectional view and a rear view showing an example of a circuit breaker equipped with a current transformer, which is a conventional device that forms the background of this invention. FIG. 3 is a current transformation characteristic diagram showing the correlation between the primary current and secondary current of the current transformer, and FIG. 4 is a perspective view showing the main parts of the device of the present invention. In the figure, 8 is a terminal conductor, 14 is a current transformer for an overcurrent relay, 16 is an opening, and 17 is a magnetic core body, 17a. 17a' is the first magnetic core part, 17b, 17b'
C second magnetic core part, 18a, 18ab are secondary windings, 2
1 is the auxiliary iron core. If! , 2 Figure 4, 21
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
中心に開口部を有し矩形状に組枠された磁気鉄心本体内
を貫通させ、前記磁気鉄心本体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、前記磁気鉄心本体の第二の磁気鉄心部に同一の積層
方向をもって積層されるように補助鉄心を装着してなる
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 in the magnetic core body, which is assembled into a rectangular shape with an opening in the center using laminated iron plates. The magnetic core body 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, comprising: an auxiliary core attached to a second magnetic core portion of the magnetic core body so as to be laminated in the same lamination direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17140681U JPS5879839U (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 |
|---|---|---|---|
| JP17140681U JPS5879839U (en) | 1981-11-19 | 1981-11-19 | Current transformer for overcurrent relay for circuit breakers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5879839U true JPS5879839U (en) | 1983-05-30 |
| JPS645867Y2 JPS645867Y2 (en) | 1989-02-14 |
Family
ID=29963331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17140681U Granted JPS5879839U (en) | 1981-11-19 | 1981-11-19 | Current transformer for overcurrent relay for circuit breakers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5879839U (en) |
-
1981
- 1981-11-19 JP JP17140681U patent/JPS5879839U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645867Y2 (en) | 1989-02-14 |
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