JPH0572168B2 - - Google Patents
Info
- Publication number
- JPH0572168B2 JPH0572168B2 JP12273485A JP12273485A JPH0572168B2 JP H0572168 B2 JPH0572168 B2 JP H0572168B2 JP 12273485 A JP12273485 A JP 12273485A JP 12273485 A JP12273485 A JP 12273485A JP H0572168 B2 JPH0572168 B2 JP H0572168B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- calculated
- current
- calculating
- predetermined value
- 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
- 230000007423 decrease Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 42
- 238000007792 addition Methods 0.000 description 34
- 238000010586 diagram Methods 0.000 description 21
- 238000012545 processing Methods 0.000 description 11
- 230000002265 prevention Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 102100023444 Centromere protein K Human genes 0.000 description 1
- 101000907931 Homo sapiens Centromere protein K Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 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 |
---|---|---|---|
JP12273485A JPS61285023A (ja) | 1985-06-07 | 1985-06-07 | 過電流継電器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12273485A JPS61285023A (ja) | 1985-06-07 | 1985-06-07 | 過電流継電器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61285023A JPS61285023A (ja) | 1986-12-15 |
JPH0572168B2 true JPH0572168B2 (zh) | 1993-10-08 |
Family
ID=14843264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12273485A Granted JPS61285023A (ja) | 1985-06-07 | 1985-06-07 | 過電流継電器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61285023A (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0777485B2 (ja) * | 1988-04-20 | 1995-08-16 | 株式会社東芝 | 保護継電装置 |
JP5327101B2 (ja) | 2010-03-03 | 2013-10-30 | アンデン株式会社 | 過電流保護回路 |
-
1985
- 1985-06-07 JP JP12273485A patent/JPS61285023A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61285023A (ja) | 1986-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7633729B2 (en) | Alternating current series arc fault detection method | |
US10732223B2 (en) | Circuit breaker health monitoring | |
JPH02133034A (ja) | 電気モータ・トリップ・パラメータを有するデイジタル遮断器 | |
JP4615571B2 (ja) | 低圧電力契約用遮断器 | |
JP2020171187A (ja) | 過負荷保護継電器及びmccユニット | |
US6407897B1 (en) | Network protector with diagnostics | |
US7420343B2 (en) | Current limiting DC motor starter circuit | |
US12092702B2 (en) | Method and apparatus for detection of a fuse failure | |
JPH0572168B2 (zh) | ||
EP2264850A2 (en) | Thermal overload relay with trip classification | |
JPH04275029A (ja) | 解列事故発生時の負荷遮断装置 | |
WO2024105897A1 (ja) | 逆電力遮断継電器及び逆電力遮断継電器における逆電力遮断方法 | |
JPH04270974A (ja) | 負荷制御装置 | |
US11852692B1 (en) | Electric distribution line ground fault prevention systems using dual parameter monitoring with high sensitivity relay devices | |
JPH0327716A (ja) | 送電系統の再閉路方法およびその装置 | |
CN113640620B (zh) | 一种线路及元件故障后状态的判定方法 | |
US20240192286A1 (en) | Electric Distribution Line Ground Fault Prevention Systems Using Dual Parameter High Sensitivity Relay Device, Monitoring Small Current Reduction With Small Increase In Negative Sequence Current | |
US20240195163A1 (en) | Electric Distribution Line Ground Fault Prevention Systems Using Dual Parameter High Sensitivity Relay Device Monitoring With Blown Fuse Protection In A Single Phase Tap Line | |
JPS59175393A (ja) | 電動機の保護装置 | |
JPH0686449A (ja) | 電動機制御装置 | |
JP2580009B2 (ja) | 同期機の運転制御装置 | |
JP5245591B2 (ja) | 過電流遮断器及び過電流の遮断方法 | |
JP2023147430A (ja) | 母線電圧異常検知装置、母線電圧異常検知方法 | |
Banerjee et al. | Motor protection principles | |
KR100221239B1 (ko) | 열동형 계전기(thr)의 전동기 보호용 디지탈 보호계전 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
EXPY | Cancellation because of completion of term |