JPS6242447B2 - - Google Patents
Info
- Publication number
- JPS6242447B2 JPS6242447B2 JP55065882A JP6588280A JPS6242447B2 JP S6242447 B2 JPS6242447 B2 JP S6242447B2 JP 55065882 A JP55065882 A JP 55065882A JP 6588280 A JP6588280 A JP 6588280A JP S6242447 B2 JPS6242447 B2 JP S6242447B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- input
- relay
- outputs
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 241000288902 Lemur catta Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
- H02H1/0046—Commutating the detecting means in dependance of the fault, e.g. for reducing their number
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6588280A JPS56162921A (en) | 1980-05-20 | 1980-05-20 | Protection relay unit |
| US06/236,602 US4420805A (en) | 1980-05-20 | 1981-02-20 | Protective relaying system |
| DE8181301708T DE3172478D1 (en) | 1980-05-20 | 1981-04-16 | Protective relaying system |
| EP81301708A EP0040471B1 (en) | 1980-05-20 | 1981-04-16 | Protective relaying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6588280A JPS56162921A (en) | 1980-05-20 | 1980-05-20 | Protection relay unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56162921A JPS56162921A (en) | 1981-12-15 |
| JPS6242447B2 true JPS6242447B2 (enExample) | 1987-09-08 |
Family
ID=13299786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6588280A Granted JPS56162921A (en) | 1980-05-20 | 1980-05-20 | Protection relay unit |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4420805A (enExample) |
| EP (1) | EP0040471B1 (enExample) |
| JP (1) | JPS56162921A (enExample) |
| DE (1) | DE3172478D1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854824A (ja) * | 1981-09-29 | 1983-03-31 | 株式会社東芝 | 保護継電装置 |
| JPS5854825A (ja) * | 1981-09-29 | 1983-03-31 | 株式会社東芝 | 保護継電装置 |
| JPS5858822A (ja) * | 1981-09-30 | 1983-04-07 | 株式会社東芝 | 保護継電装置 |
| US4464698A (en) * | 1982-09-20 | 1984-08-07 | Hitachi, Ltd. | Protective relay |
| JPS59204415A (ja) * | 1983-05-04 | 1984-11-19 | 株式会社明電舎 | 異常判定回路 |
| US4694374A (en) * | 1985-04-26 | 1987-09-15 | Westinghouse Electric Corp. | Programmed overexcitation protective relay and method of operating the same |
| US4788619A (en) * | 1987-04-24 | 1988-11-29 | Basler Electric Company | Protective relays and methods |
| US5160926A (en) * | 1989-06-28 | 1992-11-03 | Schweitzer Engineering Laboratories, Inc. | Display transducer apparatus |
| US5742513A (en) * | 1996-05-15 | 1998-04-21 | Abb Power T&D Company Inc. | Methods and systems for automatic testing of a relay |
| US7701683B2 (en) * | 2001-07-06 | 2010-04-20 | Schweitzer Engineering Laboratories, Inc. | Apparatus, system, and method for sharing output contacts across multiple relays |
| US8072723B2 (en) * | 2007-06-19 | 2011-12-06 | General Electric Company | Resettable MEMS micro-switch array based on current limiting apparatus |
| US8427131B2 (en) * | 2009-06-12 | 2013-04-23 | Schweitzer Engineering Laboratories Inc | Voltage regulation at a remote location using measurements from a remote metering device |
| US9256232B2 (en) | 2009-06-12 | 2016-02-09 | Schweitzer Engineering Laboratories, Inc. | Voltage regulation using multiple voltage regulator controllers |
| US8476874B2 (en) | 2009-10-13 | 2013-07-02 | Schweitzer Engineering Laboratories, Inc | Systems and methods for synchronized control of electrical power system voltage profiles |
| US8618794B2 (en) * | 2010-07-30 | 2013-12-31 | Atmel Corporation | Detecting inductive objects using inputs of integrated circuit device |
| RU2538214C1 (ru) * | 2013-06-19 | 2015-01-10 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский государственный политехнический университет" (ФГАОУ ВО "СПбПУ") | Способ дифференциальной защиты электроустановки |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1292726B (de) * | 1965-08-30 | 1969-04-17 | Licentia Gmbh | Mehrstufiges elektronisches Distanzrelais |
| DE2264064A1 (de) * | 1972-12-29 | 1974-07-04 | Siemens Ag | Distanzschutzeinrichtung |
| JPS52100149A (en) * | 1976-02-18 | 1977-08-22 | Tokyo Electric Power Co Inc:The | Digital failure point evaluating unit |
| GB2008345B (en) * | 1977-11-14 | 1982-08-18 | Multilin Inc | Method of and apparatus for monitoring polyphase currents |
| US4146750A (en) * | 1977-12-29 | 1979-03-27 | Honeywell Inc. | Analog multiplexer control circuit |
| JPS54137649A (en) * | 1978-04-18 | 1979-10-25 | Tokyo Electric Power Co Inc:The | Digital protective relay device |
| GB2020124B (en) * | 1978-04-27 | 1982-08-25 | Tokyo Shibaura Electric Co | Overcurrent protection |
| IN152852B (enExample) * | 1978-08-09 | 1984-04-21 | Gen Electric Co Ltd | |
| US4219858A (en) * | 1978-12-20 | 1980-08-26 | General Electric Company | Overcurrent relay apparatus |
| JPS5592514A (en) * | 1978-12-28 | 1980-07-14 | Tokyo Shibaura Electric Co | Digital protection relay |
| JPS55127829A (en) * | 1979-03-27 | 1980-10-03 | Tokyo Shibaura Electric Co | Digital distance relay unit |
| US4291355A (en) * | 1979-07-30 | 1981-09-22 | General Electric Company | Programmable overload circuit |
| US4300182A (en) * | 1979-08-09 | 1981-11-10 | Schweitzer Edmund O Iii | Metering and protection system for an A.C. power system |
| US4335437A (en) * | 1980-04-15 | 1982-06-15 | Westinghouse Electric Corp. | Circuit interrupter with energy management functions |
-
1980
- 1980-05-20 JP JP6588280A patent/JPS56162921A/ja active Granted
-
1981
- 1981-02-20 US US06/236,602 patent/US4420805A/en not_active Expired - Lifetime
- 1981-04-16 DE DE8181301708T patent/DE3172478D1/de not_active Expired
- 1981-04-16 EP EP81301708A patent/EP0040471B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3172478D1 (en) | 1985-11-07 |
| US4420805A (en) | 1983-12-13 |
| EP0040471B1 (en) | 1985-10-02 |
| EP0040471A1 (en) | 1981-11-25 |
| JPS56162921A (en) | 1981-12-15 |
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