JPH0452694B2 - - Google Patents
Info
- Publication number
- JPH0452694B2 JPH0452694B2 JP58138075A JP13807583A JPH0452694B2 JP H0452694 B2 JPH0452694 B2 JP H0452694B2 JP 58138075 A JP58138075 A JP 58138075A JP 13807583 A JP13807583 A JP 13807583A JP H0452694 B2 JPH0452694 B2 JP H0452694B2
- Authority
- JP
- Japan
- Prior art keywords
- digital
- data
- digital data
- current
- analog
- 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
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 9
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58138075A JPS6028718A (ja) | 1983-07-28 | 1983-07-28 | デイジタル式差動保護継電器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58138075A JPS6028718A (ja) | 1983-07-28 | 1983-07-28 | デイジタル式差動保護継電器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6028718A JPS6028718A (ja) | 1985-02-13 |
JPH0452694B2 true JPH0452694B2 (cs) | 1992-08-24 |
Family
ID=15213375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58138075A Granted JPS6028718A (ja) | 1983-07-28 | 1983-07-28 | デイジタル式差動保護継電器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6028718A (cs) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0234452A (ja) * | 1988-07-26 | 1990-02-05 | Mitsubishi Motors Corp | 自動車の緊急脱出装置 |
JP4769480B2 (ja) * | 2004-04-27 | 2011-09-07 | パナソニック株式会社 | 光ヘッド、光情報記録再生装置、コンピュータ、映像再生装置、サーバー、カーナビゲーションシステム |
JP2010008743A (ja) * | 2008-06-27 | 2010-01-14 | Hoya Corp | レンズ保持構造 |
-
1983
- 1983-07-28 JP JP58138075A patent/JPS6028718A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6028718A (ja) | 1985-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4943888A (en) | Electronic circuit breaker using digital circuitry having instantaneous trip capability | |
CN102401869A (zh) | 用于快速确定电力系统中的故障的装置和方法 | |
GB2070869A (en) | Detecting faults on transmission lines | |
US4371908A (en) | Digital protective relaying systems | |
WO2004040529A2 (en) | Bus total overcurrent system for a protective relay | |
US4725914A (en) | Protective relay system for performing selective-pole trip determination | |
Johns et al. | A new approach to EHV direction comparisn protection using digital signal processing techniqles | |
EP0133261B1 (en) | Carrier relay system | |
US4577279A (en) | Method and apparatus for providing offset compensation | |
US4538195A (en) | Three terminal current differential protective relay | |
JPH0452694B2 (cs) | ||
Wheatley | A microprocessor based current differential protection | |
US6525917B1 (en) | Power transforming system and method | |
US7206177B2 (en) | Device and method for protection against overcurrents in an electrical energy distribution cabinet | |
Yamaura et al. | Improvement of internal charging current compensation for transmission line differential protection | |
GB1531571A (en) | Offset keying technique for segregation phase comparison relaying | |
JP7735589B2 (ja) | 電流差動継電装置 | |
JPS6252539B2 (cs) | ||
JP2577424B2 (ja) | 電流差動継電方式 | |
Khrennikov et al. | Geomagnetic Disturbances in Electric Power Systems and Power Transformer Protection Against Geomagnetic Induced Currents | |
GB2172455A (en) | Electrical supply line protection apparatus | |
JPH0541420Y2 (cs) | ||
JP2953891B2 (ja) | ディジタル形母線保護装置 | |
JPS62193509A (ja) | 送電線の故障検出リレ− | |
SU1262619A1 (ru) | Устройство дл защиты от короткого замыкани трехфазного реактора |