SE453038B - Anordning for riktat skydd av en kraftoverforingsledning genom releande medelst berarstrom - Google Patents
Anordning for riktat skydd av en kraftoverforingsledning genom releande medelst berarstromInfo
- Publication number
- SE453038B SE453038B SE8604581A SE8604581A SE453038B SE 453038 B SE453038 B SE 453038B SE 8604581 A SE8604581 A SE 8604581A SE 8604581 A SE8604581 A SE 8604581A SE 453038 B SE453038 B SE 453038B
- Authority
- SE
- Sweden
- Prior art keywords
- output
- input
- circuit
- adder
- voltages
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 27
- 238000005259 measurement Methods 0.000 abstract 1
- 230000004913 activation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000001052 transient effect Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Details Of Aerials (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO864043A NO864043L (no) | 1986-10-10 | 1986-10-10 | Anordning for direktiv beskyttelse av kraftledninger med baereboelgestroemoverfoering. |
| AU64268/86A AU593294B2 (en) | 1986-10-10 | 1986-10-22 | Device for directional protection of power transmission lines with carrier-current relaying |
| BR8605359A BR8605359A (pt) | 1986-10-10 | 1986-10-30 | Dispositivo para protecao direcional de uma linha de transmissao de forca por reles de corrente transportadora |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8604581D0 SE8604581D0 (sv) | 1986-10-27 |
| SE453038B true SE453038B (sv) | 1988-01-04 |
Family
ID=53625604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8604581A SE453038B (sv) | 1986-10-10 | 1986-10-27 | Anordning for riktat skydd av en kraftoverforingsledning genom releande medelst berarstrom |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU593294B2 (enrdf_load_stackoverflow) |
| BR (1) | BR8605359A (enrdf_load_stackoverflow) |
| IN (1) | IN165319B (enrdf_load_stackoverflow) |
| NO (1) | NO864043L (enrdf_load_stackoverflow) |
| SE (1) | SE453038B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1585858A1 (ru) * | 1986-07-23 | 1990-08-15 | Государственный Научно-Исследовательский Энергетический Институт Им.Г.М.Кржижановского | Способ распознавани внешних индуктированных напр жений на линии электропередачи с горизонтальным расположением фазных проводов |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN143431B (enrdf_load_stackoverflow) * | 1975-05-14 | 1977-11-26 | Westinghouse Electric Corp | |
| JPS6046615B2 (ja) * | 1977-06-13 | 1985-10-17 | 東京電力株式会社 | 保護制御装置 |
| SU1585858A1 (ru) * | 1986-07-23 | 1990-08-15 | Государственный Научно-Исследовательский Энергетический Институт Им.Г.М.Кржижановского | Способ распознавани внешних индуктированных напр жений на линии электропередачи с горизонтальным расположением фазных проводов |
-
1986
- 1986-10-10 NO NO864043A patent/NO864043L/no unknown
- 1986-10-17 IN IN758/CAL/86A patent/IN165319B/en unknown
- 1986-10-22 AU AU64268/86A patent/AU593294B2/en not_active Ceased
- 1986-10-27 SE SE8604581A patent/SE453038B/sv not_active IP Right Cessation
- 1986-10-30 BR BR8605359A patent/BR8605359A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU6426886A (en) | 1988-04-28 |
| IN165319B (enrdf_load_stackoverflow) | 1989-09-16 |
| SE8604581D0 (sv) | 1986-10-27 |
| AU593294B2 (en) | 1990-02-08 |
| NO864043D0 (no) | 1986-10-10 |
| BR8605359A (pt) | 1988-05-31 |
| NO864043L (no) | 1988-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2192416B1 (en) | Method and apparatus for detecting a phase-to-earth fault | |
| CA2007778C (en) | Directional comparison blocking protective relay system | |
| US4296452A (en) | Multiphase fault protection circuitry with variable functional level detection | |
| GB1476645A (en) | Protection arrangement for electrical components included in electrical power supply networks | |
| EP0098721A2 (en) | Differential protection relay device | |
| EP1011185A2 (en) | Improved fault protection scheme | |
| US3777217A (en) | Fault indicator apparatus for fault location in an electrical power distribution system | |
| EP1843443A2 (en) | Electrical fault detection | |
| US11137436B2 (en) | Secure traveling wave distance protection in an electric power delivery system | |
| US5808845A (en) | System for preventing sympathetic tripping in a power system | |
| US4173774A (en) | Parallel AC electrical system with differential protection immune to high current through faults | |
| US4314301A (en) | Protective relaying devices | |
| Abramovich et al. | Invariant protection of high-voltage electric motors of technological complexes at industrial enterprises at partial single-phase ground faults | |
| WO1991007795A1 (en) | Faulted current indicator with protection against temporary overloads and transients | |
| US3144585A (en) | Logic control system for electrical power transmission network | |
| US3581152A (en) | Round protection and detecting for high voltage dc transmission system | |
| SE453038B (sv) | Anordning for riktat skydd av en kraftoverforingsledning genom releande medelst berarstrom | |
| US3976920A (en) | Filtering arrangement for relay protection devices | |
| US4317151A (en) | Apparatus for fault direction-comparison protection | |
| RU162402U1 (ru) | Устройство адаптивной резервной защиты трансформаторов на ответвлениях воздушной линии | |
| SE443686B (sv) | Forfarande och anordning for bestemning av felriktningen relativt ett metstelle vid elektriska ledningar med lengskondensator | |
| Apostolov | Adaptive protection of distribution feeders | |
| Kasztenny et al. | Digital low-impedance bus differential protection with reduced requirements for CTs | |
| SE455557B (sv) | Forfarande for identifiering av externt inducerade spenningar i en kraftoverforingsledning med horisontella fasledare samt anordning for genomforande av forfarandet | |
| SU936157A1 (ru) | Устройство дл защиты от замыкани на землю в трехфазной четырехпроводной сети с глухозаземленной нейтралью |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8604581-2 Effective date: 19930510 Format of ref document f/p: F |