JPH01134265U - - Google Patents
Info
- Publication number
- JPH01134265U JPH01134265U JP3149688U JP3149688U JPH01134265U JP H01134265 U JPH01134265 U JP H01134265U JP 3149688 U JP3149688 U JP 3149688U JP 3149688 U JP3149688 U JP 3149688U JP H01134265 U JPH01134265 U JP H01134265U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- insulation distance
- sealed container
- conductors
- capacitance
- 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
- 239000004020 conductor Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
第１図はこの考案の実施例装置を示す断面図、
第２図は異なる実施例装置を示す断面図である。
１…密閉容器、２…絶縁ガス、３Ａ，３Ｂ，３
Ｃ…三角配置された高電圧導体、４Ａ，４Ｂ，４
Ｃ…対向電極、６ａｂ，６ｂｃ，６ａｃ…遮へい
電極、ｄ…対地絶縁距離、８Ａ，８Ｂ，８Ｃ…電
極（高圧側）、９…分圧コンデンサ、１０…計測
部。
FIG. 1 is a sectional view showing an embodiment of the device of this invention;
FIG. 2 is a sectional view showing a different embodiment of the device. 1...Airtight container, 2...Insulating gas, 3A, 3B, 3
C...Triangularly arranged high voltage conductors, 4A, 4B, 4
C... Counter electrode, 6ab, 6bc, 6ac... Shielding electrode, d... Ground insulation distance, 8A, 8B, 8C... Electrode (high voltage side), 9... Partial voltage capacitor, 10... Measurement section.
Claims (1)
電圧導体の各相対地電位を、高電圧導体それぞれ
に所定の絶縁距離と静電容量とを保持して前記密
閉容器に絶縁支持された対向電極により検出し、
静電容量分圧された電圧を計測するものにおいて
、前記高電圧導体二つに対して前記所定の絶縁距
離とほぼ等しい絶縁距離を保持して三角形配置さ
れた筒状の接地導電体からなる遮へい電極を備え
たことを特徴とする三相一括形開閉装置の検電装
置。 The relative ground potential of three-phase high-voltage conductors arranged in a triangular manner in a cylindrical sealed container is maintained at a predetermined insulation distance and capacitance between the high-voltage conductors, and the opposing electrodes are insulated and supported in the sealed container. Detected by electrodes,
In a device that measures capacitance-divided voltage, a shield consisting of cylindrical ground conductors arranged triangularly with an insulation distance approximately equal to the predetermined insulation distance between the two high voltage conductors. A voltage detection device for a three-phase bulk switchgear characterized by being equipped with an electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3149688U JPH073343Y2 (en) | 1988-03-09 | 1988-03-09 | Three-phase collective switchgear voltage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3149688U JPH073343Y2 (en) | 1988-03-09 | 1988-03-09 | Three-phase collective switchgear voltage detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01134265U true JPH01134265U (en) | 1989-09-13 |
| JPH073343Y2 JPH073343Y2 (en) | 1995-01-30 |
Family
ID=31257387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3149688U Expired - Lifetime JPH073343Y2 (en) | 1988-03-09 | 1988-03-09 | Three-phase collective switchgear voltage detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073343Y2 (en) |
-
1988
- 1988-03-09 JP JP3149688U patent/JPH073343Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073343Y2 (en) | 1995-01-30 |
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