JPS6421372U - - Google Patents
Info
- Publication number
- JPS6421372U JPS6421372U JP11612387U JP11612387U JPS6421372U JP S6421372 U JPS6421372 U JP S6421372U JP 11612387 U JP11612387 U JP 11612387U JP 11612387 U JP11612387 U JP 11612387U JP S6421372 U JPS6421372 U JP S6421372U
- Authority
- JP
- Japan
- Prior art keywords
- support insulator
- insulator type
- zero
- transformer
- sequence voltage
- 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
- 239000012212 insulator Substances 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Insulators (AREA)
Description
第１図は本考案に使用される支持がいし形コン
デンサの断面図、第２図は支持がいしの容量を利
用した従来の零相電圧検出器、第３図は第２図の
等価回路図、第４図は支持がいしの容量を可変と
した従来の零相電圧検出器、第５図は第４図の等
価回路図、第６図は従来の支持がいし形コンデン
サの一部切開正面図を示す。
Ｇ……支持がいし形コンデンサ、１……電極板
、２……エポキシ樹脂、３……上部金具、４……
零相電圧検出用端子。
Figure 1 is a cross-sectional view of the support insulator type capacitor used in the present invention, Figure 2 is a conventional zero-sequence voltage detector that utilizes the capacity of the support insulator, Figure 3 is the equivalent circuit diagram of Figure 2, and Figure 3 is the equivalent circuit diagram of Figure 2. FIG. 4 shows a conventional zero-sequence voltage detector in which the capacitance of a support insulator is variable, FIG. 5 shows an equivalent circuit diagram of FIG. 4, and FIG. 6 shows a partially cutaway front view of a conventional support insulator type capacitor. G... Support insulator capacitor, 1... Electrode plate, 2... Epoxy resin, 3... Upper metal fitting, 4...
Zero-phase voltage detection terminal.
Claims (1)
１端を接続し、その他端は共通にして変圧装置を
介してアースに接続し、この変圧装置から零相電
圧を検出するようにしたものにおいて、前記支持
がいし形コンデンサを、相対向する電極板をエポ
キシ樹脂で一体成形して構成したことを特徴とす
る支持がいし形零相電圧検出器。 In a system in which one end of a support insulator type capacitor is connected to each phase of a three-phase distribution line, the other end is commonly connected to earth via a transformer, and the zero-sequence voltage is detected from this transformer, A support insulator type zero-sequence voltage detector characterized in that the support insulator type capacitor is constructed by integrally molding opposing electrode plates with epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987116123U JPH084625Y2 (en) | 1987-07-29 | 1987-07-29 | Support insulator zero-phase voltage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987116123U JPH084625Y2 (en) | 1987-07-29 | 1987-07-29 | Support insulator zero-phase voltage detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6421372U true JPS6421372U (en) | 1989-02-02 |
| JPH084625Y2 JPH084625Y2 (en) | 1996-02-07 |
Family
ID=31358373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987116123U Expired - Lifetime JPH084625Y2 (en) | 1987-07-29 | 1987-07-29 | Support insulator zero-phase voltage detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084625Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058626U (en) * | 1991-07-09 | 1993-02-05 | 豊田鉄工株式会社 | Control pedal turnover device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57135369A (en) * | 1981-02-13 | 1982-08-20 | Sumitomo Electric Ind Ltd | Shared voltage detecting and measuring method of insulator |
| JPS603459U (en) * | 1983-06-20 | 1985-01-11 | 昭和電線電纜株式会社 | Probe for measuring soil thermal resistance |
-
1987
- 1987-07-29 JP JP1987116123U patent/JPH084625Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57135369A (en) * | 1981-02-13 | 1982-08-20 | Sumitomo Electric Ind Ltd | Shared voltage detecting and measuring method of insulator |
| JPS603459U (en) * | 1983-06-20 | 1985-01-11 | 昭和電線電纜株式会社 | Probe for measuring soil thermal resistance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058626U (en) * | 1991-07-09 | 1993-02-05 | 豊田鉄工株式会社 | Control pedal turnover device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084625Y2 (en) | 1996-02-07 |
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