JPS5443531A - Capacitor type metering current transformer - Google Patents
Capacitor type metering current transformerInfo
- Publication number
- JPS5443531A JPS5443531A JP11023577A JP11023577A JPS5443531A JP S5443531 A JPS5443531 A JP S5443531A JP 11023577 A JP11023577 A JP 11023577A JP 11023577 A JP11023577 A JP 11023577A JP S5443531 A JPS5443531 A JP S5443531A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric
- oil
- current transformer
- coefficients
- paper
- 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
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
PURPOSE: To reduce cost and to improve realiability by placing dielectric having positive and netative temperature coefficients between low and high voltage electrodes of main and voltage dividing capacitors.
CONSTITUTION: Dielectric having positive and negative temperature coefficients composed of insulation oil impregnated paper 12 containing oil gap 13 at proper position is inserted between low voltage electrode 8 and high voltage electrode 9 of main capacitor 10 and voltage dividing capacitor 11. Consequently even when ambient temperature of said capacitors 10, 11 is varied, temperature coefficients of dielectric coefficients between oil-impregnated paper 12 and mineral oil in oil gap 13 are cancelled to maintain the capacitance constant, thereby reliability of current transformer is improved while since the dielectric is composed of insulating paper such as craft paper and mineral oil material cost is reduced.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11023577A JPS5443531A (en) | 1977-09-13 | 1977-09-13 | Capacitor type metering current transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11023577A JPS5443531A (en) | 1977-09-13 | 1977-09-13 | Capacitor type metering current transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5443531A true JPS5443531A (en) | 1979-04-06 |
JPS5724924B2 JPS5724924B2 (en) | 1982-05-26 |
Family
ID=14530514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11023577A Granted JPS5443531A (en) | 1977-09-13 | 1977-09-13 | Capacitor type metering current transformer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5443531A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019143789A1 (en) * | 2018-01-18 | 2019-07-25 | Littelfuse, Inc. | Bistage temperature device using positive temperature coefficient material |
-
1977
- 1977-09-13 JP JP11023577A patent/JPS5443531A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019143789A1 (en) * | 2018-01-18 | 2019-07-25 | Littelfuse, Inc. | Bistage temperature device using positive temperature coefficient material |
US10424952B2 (en) | 2018-01-18 | 2019-09-24 | Littelfuse, Inc. | Bistage temperature device using positive temperature coefficient material |
Also Published As
Publication number | Publication date |
---|---|
JPS5724924B2 (en) | 1982-05-26 |
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