SE8601566L - Reckviddsbegrensning for skydd i kraftnet - Google Patents
Reckviddsbegrensning for skydd i kraftnetInfo
- Publication number
- SE8601566L SE8601566L SE8601566A SE8601566A SE8601566L SE 8601566 L SE8601566 L SE 8601566L SE 8601566 A SE8601566 A SE 8601566A SE 8601566 A SE8601566 A SE 8601566A SE 8601566 L SE8601566 L SE 8601566L
- Authority
- SE
- Sweden
- Prior art keywords
- voltage
- protection
- voltage difference
- wave model
- difference
- Prior art date
Links
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
- H02H7/265—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 making use of travelling wave theory
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601566A SE452534B (sv) | 1986-04-08 | 1986-04-08 | Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning |
US07/030,448 US4731688A (en) | 1986-04-08 | 1987-03-27 | Range limitation for a protection device in a power supply network |
EP87105037A EP0244649B1 (en) | 1986-04-08 | 1987-04-04 | Method and device for protecting a power tramsmission line |
DE8787105037T DE3778199D1 (de) | 1986-04-08 | 1987-04-04 | Verfahren und vorrichtung zum schutz einer leitung. |
JP62084512A JPS62239815A (ja) | 1986-04-08 | 1987-04-06 | 電力系統内の故障領域決定、直接トリツピングのための方法および装置 |
CA000534075A CA1287159C (en) | 1986-04-08 | 1987-04-07 | Range limitation for a protection device in a power supply network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601566A SE452534B (sv) | 1986-04-08 | 1986-04-08 | Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8601566D0 SE8601566D0 (sv) | 1986-04-08 |
SE8601566L true SE8601566L (sv) | 1987-10-09 |
SE452534B SE452534B (sv) | 1987-11-30 |
Family
ID=20364088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8601566A SE452534B (sv) | 1986-04-08 | 1986-04-08 | Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning |
Country Status (6)
Country | Link |
---|---|
US (1) | US4731688A (sv) |
EP (1) | EP0244649B1 (sv) |
JP (1) | JPS62239815A (sv) |
CA (1) | CA1287159C (sv) |
DE (1) | DE3778199D1 (sv) |
SE (1) | SE452534B (sv) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5400205A (en) * | 1993-06-17 | 1995-03-21 | Sundstrand Corporation | Breaker fail-safe system for a multi-channel electric power generating system |
SE502073C2 (sv) * | 1994-01-03 | 1995-07-31 | Asea Brown Boveri | Förfarande och anordning för riktningsbestämning av fel på en kraftlinje |
GB2288930B (en) * | 1994-04-25 | 1998-01-21 | Gec Alsthom Ltd | Methods and apparatus for identifying faulted phases on an electric power transmission line |
US5729144A (en) * | 1996-12-02 | 1998-03-17 | Cummins; Kenneth L. | Systems and methods for determining location of a fault on an electric utility power distribution system |
GB2345810B (en) * | 1999-01-13 | 2003-07-23 | Alstom Uk Ltd | Fault-detection apparatus |
CN100527557C (zh) * | 2006-06-16 | 2009-08-12 | 昆明理工大学 | 一种输电线路不同期合闸的行波合闸保护方法 |
EP2534751B1 (en) | 2010-02-08 | 2013-10-30 | Abb As | Method for controlling a machine or an electrical load supplied with electric power over a long line |
CN102074937B (zh) * | 2010-11-05 | 2014-04-02 | 江西省电力科学研究院 | 模型自适应输电线路故障测距方法 |
BR112014008746A2 (pt) | 2011-10-12 | 2017-04-18 | Schweitzer Engineering Lab Inc | dispositivo eletrônico inteligente de recepção, e, sistema para calcular uma localização de falha em um sistema de distribuição de energia elétrica |
US9588168B2 (en) | 2013-09-16 | 2017-03-07 | Schweitzer Engineering Laboratories, Inc. | Fault location using traveling waves |
US8990036B1 (en) | 2013-09-16 | 2015-03-24 | Schweitzer Engineering Laboratories, Inc. | Power line parameter adjustment and fault location using traveling waves |
US9470748B2 (en) | 2014-09-16 | 2016-10-18 | Schweitzer Engineering Laboratories, Inc. | Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements |
US9509399B2 (en) | 2015-02-13 | 2016-11-29 | Schweitzer Engineering Laboratories, Inc. | Transmission line protection using traveling waves in optical ground wire fiber |
US10090664B2 (en) | 2015-09-18 | 2018-10-02 | Schweitzer Engineering Laboratories, Inc. | Time-domain directional line protection of electric power delivery systems |
EP3350897A4 (en) | 2015-09-18 | 2019-08-07 | Schweitzer Engineering Laboratories, Inc. | TIME DOMAIN LINE PROTECTION OF ELECTRIC POWER DISTRIBUTION SYSTEMS |
CN105182184B (zh) * | 2015-09-29 | 2018-10-02 | 昆明理工大学 | 一种基于沿线方向行波分解的配网线缆混合直配线路故障测距方法 |
CN105182186B (zh) * | 2015-09-29 | 2019-01-04 | 昆明理工大学 | 一种基于沿线电压分布和行波信息全覆盖的辐射网故障分支识别方法 |
CN108141043A (zh) | 2015-10-12 | 2018-06-08 | 施瓦哲工程实验有限公司 | 行波定向元件 |
EP3363087A4 (en) | 2015-10-13 | 2019-06-26 | Schweitzer Engineering Laboratories, Inc. | TEST SYSTEM FOR PROGRESSIVE WAVE DEFECT DETECTORS |
EP3362805A4 (en) | 2015-10-13 | 2019-06-19 | Schweitzer Engineering Laboratories, Inc. | MONITORING POWER SUPPLY SYSTEM USING HIGH FREQUENCY SIGNALS |
US10564247B2 (en) | 2015-10-13 | 2020-02-18 | Schweitzer Engineering Laboratories, Inc. | Testing system for traveling wave fault detectors |
EP3362807A4 (en) | 2015-10-14 | 2019-06-26 | Schweitzer Engineering Laboratories, Inc. | HIGH FREQUENCY SIGNAL PROCESSING SYSTEM FOR CURRENT SYSTEM |
CN105655992B (zh) * | 2016-01-26 | 2018-05-25 | 华北电力大学 | 适用于分布式电源接入的t接线路保护方法 |
EP3469385A1 (en) | 2016-06-13 | 2019-04-17 | Schweitzer Engineering Laboratories, Inc. | Overcurrent element in time domain |
CN109275337A (zh) | 2016-06-14 | 2019-01-25 | 施瓦哲工程实验有限公司 | 行波故障检测***的相选择 |
US10236675B2 (en) | 2016-07-26 | 2019-03-19 | Schweitzer Engineering Laboratories, Inc. | Fault detection and protection during steady state using traveling waves |
US10585133B2 (en) | 2016-11-11 | 2020-03-10 | Schweitzer Engineering Laboratories, Inc. | Electric power fault protection device using single-ended traveling wave fault location estimation |
US10295585B2 (en) | 2016-11-11 | 2019-05-21 | Schweitzer Engineering Laboratories, Inc. | Traveling wave based single end fault location |
US11280834B2 (en) | 2018-08-30 | 2022-03-22 | Schweitzer Engineering Laboratories, Inc. | Detection of low-energy events in an electric power system |
US10677834B2 (en) | 2018-09-14 | 2020-06-09 | Schweitzer Engineering Laboratories, Inc. | Distance protection of electric power delivery systems using time domain and frequency domain |
US10641815B2 (en) | 2018-09-27 | 2020-05-05 | Schweitzer Engineering Laboratories, Inc. | Secure distance protection of electric power delivery systems under transient conditions |
US11067617B2 (en) | 2018-10-08 | 2021-07-20 | Schweitzer Engineering Laboratories, Inc. | Single-end traveling wave fault location using line-mounted device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE330930B (sv) * | 1969-05-08 | 1970-12-07 | Asea Ab | |
SE418035B (sv) * | 1979-08-30 | 1981-04-27 | Asea Ab | Impedansmetande anordning vid impedansskydd |
SE418555B (sv) * | 1979-09-07 | 1981-06-09 | Asea Ab | Minneskrets for releskydd |
EP0057948B1 (de) * | 1981-02-11 | 1985-11-27 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Verfahren zur Sicherung von elektrischen Netzen bei Pendelung mittels einer Pendelsperre und Pendelsperre zur Durchführung des Verfahrens |
JPS59123418A (ja) * | 1982-12-28 | 1984-07-17 | 株式会社東芝 | 方向判別方式 |
SE441138B (sv) * | 1984-02-01 | 1985-09-09 | Asea Ab | Digitalt impedansrele |
-
1986
- 1986-04-08 SE SE8601566A patent/SE452534B/sv not_active IP Right Cessation
-
1987
- 1987-03-27 US US07/030,448 patent/US4731688A/en not_active Expired - Lifetime
- 1987-04-04 DE DE8787105037T patent/DE3778199D1/de not_active Expired - Fee Related
- 1987-04-04 EP EP87105037A patent/EP0244649B1/en not_active Expired
- 1987-04-06 JP JP62084512A patent/JPS62239815A/ja active Pending
- 1987-04-07 CA CA000534075A patent/CA1287159C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4731688A (en) | 1988-03-15 |
EP0244649B1 (en) | 1992-04-15 |
SE452534B (sv) | 1987-11-30 |
CA1287159C (en) | 1991-07-30 |
DE3778199D1 (de) | 1992-05-21 |
EP0244649A1 (en) | 1987-11-11 |
SE8601566D0 (sv) | 1986-04-08 |
JPS62239815A (ja) | 1987-10-20 |
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Legal Events
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NUG | Patent has lapsed |
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