JPS54131721A - Zero current transformer - Google Patents
Zero current transformerInfo
- Publication number
- JPS54131721A JPS54131721A JP3852378A JP3852378A JPS54131721A JP S54131721 A JPS54131721 A JP S54131721A JP 3852378 A JP3852378 A JP 3852378A JP 3852378 A JP3852378 A JP 3852378A JP S54131721 A JPS54131721 A JP S54131721A
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- wire
- iron core
- case
- run
- 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.)
- Pending
Links
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
PURPOSE: To minimize the clearance between the electric wire and the sleeve by tightly contacting the wire with the sleeve through thermal deformation of the sleeve after it is run through the iron core and the sleeve which is formed at the bottom center of a case made of a thermoplastic resin projecting outside.
CONSTITUTION: A sleeve 6 is formed at the bottom 5 of a thermoplastic resin case 4. A wire T is run through an iron core 1 and a sleeve 6. Then, the sleeve 6 is thermally deformed so as to bring the wire into close contact with an internal hole thereof and an insulating material such as silicon rubber and synthetic resin is injected to fill the hole firmly. This eliminates play of the iron core in the case 4 thus allowing close contact between the wire T and insertion section 6.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3852378A JPS54131721A (en) | 1978-03-31 | 1978-03-31 | Zero current transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3852378A JPS54131721A (en) | 1978-03-31 | 1978-03-31 | Zero current transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54131721A true JPS54131721A (en) | 1979-10-13 |
Family
ID=12527625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3852378A Pending JPS54131721A (en) | 1978-03-31 | 1978-03-31 | Zero current transformer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54131721A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491818A (en) * | 1983-03-30 | 1985-01-01 | Zenith Electronics Corporation | Pickup coil assembly with coaxial feed |
JP2010056422A (en) * | 2008-08-29 | 2010-03-11 | Midori Anzen Co Ltd | Current transformer |
-
1978
- 1978-03-31 JP JP3852378A patent/JPS54131721A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491818A (en) * | 1983-03-30 | 1985-01-01 | Zenith Electronics Corporation | Pickup coil assembly with coaxial feed |
JP2010056422A (en) * | 2008-08-29 | 2010-03-11 | Midori Anzen Co Ltd | Current transformer |
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