JPH0295227U - - Google Patents
Info
- Publication number
- JPH0295227U JPH0295227U JP274689U JP274689U JPH0295227U JP H0295227 U JPH0295227 U JP H0295227U JP 274689 U JP274689 U JP 274689U JP 274689 U JP274689 U JP 274689U JP H0295227 U JPH0295227 U JP H0295227U
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- core
- temperature
- measures
- sensor
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
Description
第１図は本考案の実施例を示す計器用変流器の
全体構成図、第２図は計器用変流器の温度変化に
対する電流位相のズレを示す図である。
１…計器用変流器、２…コア、４…コア温度セ
ンサ、６…電線、８…誘電正接測定装置。
FIG. 1 is an overall configuration diagram of a current transformer for measuring instruments according to an embodiment of the present invention, and FIG. 2 is a diagram showing a shift in current phase with respect to temperature changes in the current transformer for measuring instruments. DESCRIPTION OF SYMBOLS 1... Instrument current transformer, 2... Core, 4... Core temperature sensor, 6... Electric wire, 8... Dielectric loss tangent measuring device.
Claims (1)
計器用変流器において、上記変流器の磁器回路を
構成するコアの温度を測定するコア温度センサと
、該センサからの出力に基づいて温度に依存して
変化する位相を補正する温度補償回路とを設けた
ことを特徴とする計器用変流器。 In instrument current transformers used to measure the dielectric loss tangent of power equipment, etc., there is a core temperature sensor that measures the temperature of the core that makes up the magnetic circuit of the current transformer, and a core temperature sensor that measures the temperature based on the output from the sensor. An instrument current transformer, characterized in that it is provided with a temperature compensation circuit that corrects a phase that changes depending on the current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP274689U JPH0295227U (en) | 1989-01-13 | 1989-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP274689U JPH0295227U (en) | 1989-01-13 | 1989-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0295227U true JPH0295227U (en) | 1990-07-30 |
Family
ID=31203785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP274689U Pending JPH0295227U (en) | 1989-01-13 | 1989-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0295227U (en) |
-
1989
- 1989-01-13 JP JP274689U patent/JPH0295227U/ja active Pending
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