JPH0448107Y2 - - Google Patents
Info
- Publication number
- JPH0448107Y2 JPH0448107Y2 JP1985202308U JP20230885U JPH0448107Y2 JP H0448107 Y2 JPH0448107 Y2 JP H0448107Y2 JP 1985202308 U JP1985202308 U JP 1985202308U JP 20230885 U JP20230885 U JP 20230885U JP H0448107 Y2 JPH0448107 Y2 JP H0448107Y2
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- voltage
- insulator
- zero
- test
- 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.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 39
- 239000012212 insulator Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985202308U JPH0448107Y2 (ko) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985202308U JPH0448107Y2 (ko) | 1985-12-26 | 1985-12-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62111740U JPS62111740U (ko) | 1987-07-16 |
JPH0448107Y2 true JPH0448107Y2 (ko) | 1992-11-12 |
Family
ID=31166563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985202308U Expired JPH0448107Y2 (ko) | 1985-12-26 | 1985-12-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0448107Y2 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58204721A (ja) * | 1982-05-21 | 1983-11-29 | 株式会社日立製作所 | 零相電圧検出装置 |
JPS6014572A (ja) * | 1983-07-06 | 1985-01-25 | Fuji Photo Film Co Ltd | 光量制御信号変換方法 |
-
1985
- 1985-12-26 JP JP1985202308U patent/JPH0448107Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58204721A (ja) * | 1982-05-21 | 1983-11-29 | 株式会社日立製作所 | 零相電圧検出装置 |
JPS6014572A (ja) * | 1983-07-06 | 1985-01-25 | Fuji Photo Film Co Ltd | 光量制御信号変換方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS62111740U (ko) | 1987-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3821639A (en) | Socket ground line testing apparatus | |
US4634981A (en) | Method for testing a circuit breaker using a three terminal current transformer | |
AU2003200300B2 (en) | Diagnostic wiring verification tester | |
CN206096309U (zh) | 铁磁谐振检测及防治综合试验平台 | |
US3281677A (en) | Means for determining the self or earth impedance of an electric supply system by producing an indication when the magnitude of the current exceeds that for the maximum permissible impedance | |
JPH0448107Y2 (ko) | ||
US4540935A (en) | Apparatus for identifying defective electric power distribution capacitors | |
JPH06331656A (ja) | 電力品質計測用インターフェース装置 | |
CN109738727A (zh) | 一种工作电压测试装置的测试电路、方法及装置 | |
US3376502A (en) | Apparatus having standard impedance calibration means for testing the impedance of an electrical ground and including polarity reversing switch means | |
CN210742369U (zh) | 一种工作电压测试装置的测试电路及装置 | |
DE1010161B (de) | Geraet zur wahlweisen Vornahme von Durchgangs- und Isolationsmessungen an elektrischen Leitungen und Geraeten | |
JPH11271376A (ja) | 保護継電器制御回路試験装置 | |
SU779930A1 (ru) | Способ проверки токовых цепей устройств релейных защит | |
KR970075925A (ko) | 전압 측정구 및 이를 사용한 전압측정 방법 | |
US3651399A (en) | Apparatus and method for determining conductivity of wiring installations | |
JP2019022388A (ja) | キュービクル式高圧受電設備 | |
JPS622884Y2 (ko) | ||
JPS5817260Y2 (ja) | 変圧器のコロナ試験回路 | |
RU2092862C1 (ru) | Способ контроля изоляции в сетях с глухозаземленной нейтралью и устройство для его осуществления | |
JPS6321145B2 (ko) | ||
Dalziel | Transistorized, residual-current trip device for low-voltage circuit breakers | |
JPS59230176A (ja) | 高圧配電線路の地絡点標定方法 | |
JPH062148Y2 (ja) | 零相電圧検出器 | |
Hart | An experimental study of short-circuit currents on a low-voltage system |