JPH0740224Y2 - 交流重畳直流電圧印加装置 - Google Patents
交流重畳直流電圧印加装置Info
- Publication number
- JPH0740224Y2 JPH0740224Y2 JP1989079399U JP7939989U JPH0740224Y2 JP H0740224 Y2 JPH0740224 Y2 JP H0740224Y2 JP 1989079399 U JP1989079399 U JP 1989079399U JP 7939989 U JP7939989 U JP 7939989U JP H0740224 Y2 JPH0740224 Y2 JP H0740224Y2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- measurement
- substation
- signal power
- 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 - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 34
- 230000006866 deterioration Effects 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000001012 protector Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 16
- 230000007935 neutral effect Effects 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989079399U JPH0740224Y2 (ja) | 1989-07-05 | 1989-07-05 | 交流重畳直流電圧印加装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989079399U JPH0740224Y2 (ja) | 1989-07-05 | 1989-07-05 | 交流重畳直流電圧印加装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0319973U JPH0319973U (en]) | 1991-02-27 |
JPH0740224Y2 true JPH0740224Y2 (ja) | 1995-09-13 |
Family
ID=31623528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989079399U Expired - Lifetime JPH0740224Y2 (ja) | 1989-07-05 | 1989-07-05 | 交流重畳直流電圧印加装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0740224Y2 (en]) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5289970A (en) * | 1976-01-21 | 1977-07-28 | Sumitomo Electric Ind Ltd | Insulation resistance measuring method for distribution lines in live condition |
JPS5934977A (ja) * | 1982-08-19 | 1984-02-25 | Koyo Seiko Co Ltd | パワ−ステアリングの作動制御装置 |
JPS6244369U (en]) * | 1985-09-05 | 1987-03-17 |
-
1989
- 1989-07-05 JP JP1989079399U patent/JPH0740224Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0319973U (en]) | 1991-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102208792B (zh) | 一种基于可关断器件移动式直流融冰装置的系统调试方法 | |
JPS60255012A (ja) | 保護継電器 | |
US6288553B1 (en) | Method for determining the loop resistance of a power supply network | |
JPH04212232A (ja) | 回路遮断器 | |
JPH0740224Y2 (ja) | 交流重畳直流電圧印加装置 | |
JP4770403B2 (ja) | 地絡方向継電器の動作試験方法 | |
Bongiorno | Induced touch voltage in wayside cables of AC railways caused by traction supply transients | |
US3852641A (en) | Protective system for mobile electric power apparatus | |
RU2096795C1 (ru) | Устройство для определения расстояния до места однофазного замыкания на землю в сетях 6 - 35 кв электрических систем с изолированной или компенсированной нейтралью (варианты) | |
US20010003500A1 (en) | Electrical protection relay | |
EP3385731B1 (de) | Messvorrichtung für erdfehlerströme | |
JP2705219B2 (ja) | 地絡検出保護装置 | |
Lin et al. | Research on Fault Detection Technology of Primary and Secondary Circuit of Switchgear | |
KR102715112B1 (ko) | 전기철도용 고장점 표정장치 및 그 방법 | |
CN112874389B (zh) | 一种操作保护方法、装置、设备及计算机可读存储介质 | |
JPH03132436A (ja) | 異種電源混触検出方法およびその装置 | |
CN218549948U (zh) | 一种针对铁路电力远动终端装置的试验设备 | |
JPH0229781Y2 (en]) | ||
JPH0356099A (ja) | 発電機の現地試験方法 | |
JPS6243142B2 (en]) | ||
JP2705198B2 (ja) | 地絡検出装置 | |
JPH0140286Y2 (en]) | ||
KR20240104915A (ko) | 가스절연 개폐 장치의 접지상태 감지센서와 이를 이용한 감시장치 | |
JPS6358273A (ja) | 高圧配電線路の地絡点標定方法 | |
JPH0328392Y2 (en]) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |