SE410925B - Riktad vagdetektor - Google Patents
Riktad vagdetektorInfo
- Publication number
- SE410925B SE410925B SE7803868A SE7803868A SE410925B SE 410925 B SE410925 B SE 410925B SE 7803868 A SE7803868 A SE 7803868A SE 7803868 A SE7803868 A SE 7803868A SE 410925 B SE410925 B SE 410925B
- Authority
- SE
- Sweden
- Prior art keywords
- product
- sign
- signals
- signal
- wave detector
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
-
- 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
- H02H3/42—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 responsive to product of voltage and current
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Locating Faults (AREA)
- Electric Cable Installation (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7803868A SE410925B (sv) | 1978-04-06 | 1978-04-06 | Riktad vagdetektor |
CH211879A CH640373A5 (de) | 1978-04-06 | 1979-03-05 | Richtungsempfindlicher wellendetektor in einer relaisschutzanordnung. |
DE2911844A DE2911844C2 (de) | 1978-04-06 | 1979-03-26 | Gerichteter Wellendetektor |
FR7908439A FR2422278A1 (fr) | 1978-04-06 | 1979-04-04 | Detecteur d'ondes directif |
GB7911910A GB2020120B (en) | 1978-04-06 | 1979-04-05 | Directional wave detector for power supply networks |
US06/259,719 US4351011A (en) | 1978-04-06 | 1981-05-01 | Directional wave detector apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7803868A SE410925B (sv) | 1978-04-06 | 1978-04-06 | Riktad vagdetektor |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7803868L SE7803868L (sv) | 1979-10-07 |
SE410925B true SE410925B (sv) | 1979-11-12 |
Family
ID=20334511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7803868A SE410925B (sv) | 1978-04-06 | 1978-04-06 | Riktad vagdetektor |
Country Status (6)
Country | Link |
---|---|
US (1) | US4351011A (de) |
CH (1) | CH640373A5 (de) |
DE (1) | DE2911844C2 (de) |
FR (1) | FR2422278A1 (de) |
GB (1) | GB2020120B (de) |
SE (1) | SE410925B (de) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH642491A5 (de) * | 1978-08-29 | 1984-04-13 | Bbc Brown Boveri & Cie | Verfahren und einrichtung zur fehlerdetektion an elektrischen leitungen. |
FR2494853A1 (fr) * | 1980-11-25 | 1982-05-28 | Enertec | Procede pour determiner la direction de l'origine d'une perturbation affectant un element d'un reseau de transport d'energie electrique |
SE446795B (sv) * | 1980-12-05 | 1986-10-06 | Asea Ab | Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem |
FR2497857A1 (fr) * | 1981-01-13 | 1982-07-16 | Atlas Maisons | Panneau prefabrique et profiles pour la realisation de ce panneau |
US4371907A (en) * | 1981-08-11 | 1983-02-01 | Westinghouse Canada Inc. | Protective relay apparatus and methods for protecting electrical power transmission lines |
DE3361911D1 (en) * | 1982-06-23 | 1986-03-06 | Bbc Brown Boveri & Cie | Process for detecting faults or fault direction in electrical lines and means for carrying it out |
US4453191A (en) * | 1982-07-29 | 1984-06-05 | General Electric Company | Overvoltage directional relay |
SE452533B (sv) * | 1986-04-08 | 1987-11-30 | Asea Ab | Forfarande for riktningsdetektering av fel pa en kraftledning samt anordning for genomforande av det nemnda forfarandet |
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 |
US5745355A (en) * | 1996-06-25 | 1998-04-28 | Exide Electronics Corporation | Wireless selective tripping of AC power systems connected in parallel |
IT1286463B1 (it) * | 1996-12-10 | 1998-07-08 | Sace Spa | Metodo per la misura della potenza assorbita da un carico in impianti di distribuzione elettrica |
ATA194698A (de) * | 1998-11-20 | 2001-11-15 | Adaptive Regelsysteme Ges M B | Verfahren zur bestimmung des erdschlussbehafteten abzweiges |
US6987389B1 (en) * | 2000-11-14 | 2006-01-17 | Pass & Seymour, Inc. | Upstream/downstream arc fault discriminator |
LT5337B (lt) * | 2005-07-20 | 2006-04-25 | Uab "Energijos Srautas" | Įžemėjimo trifaziame elektros tinkle identifikavimo ir vietos nustatymo būdas |
US7660088B2 (en) * | 2005-09-07 | 2010-02-09 | Schweitzer Engineering Laboratories, Inc. | System, apparatus and method for compensating the sensitivity of a sequence element in a line current differential relay in a power system |
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 |
US8336352B2 (en) * | 2010-01-25 | 2012-12-25 | Aclara Power-Line Systems, Inc. | Transient detector and fault classifier for a power distribution system |
WO2013056144A1 (en) | 2011-10-12 | 2013-04-18 | 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 |
US9588168B2 (en) | 2013-09-16 | 2017-03-07 | Schweitzer Engineering Laboratories, Inc. | Fault location using traveling waves |
CN104201660A (zh) * | 2014-09-15 | 2014-12-10 | 昆明理工大学 | 一种基于方向行波积分比较原理的三角形环网暂态量单元保护方法 |
EP3194987A4 (de) * | 2014-09-16 | 2018-06-13 | Schweitzer Engineering Laboratories, Inc. | Fehlererkennung in stromversorgungssystemen unter verwendung von unterreichweiten-, richt- und wanderwellenelementen |
CN104655981A (zh) * | 2014-11-05 | 2015-05-27 | 昆明理工大学 | 一种利用交叉顺序差分变换的行波极性比较式方向保护方法 |
WO2016074199A1 (en) * | 2014-11-13 | 2016-05-19 | Abb Technology Ltd | Dc grid protection method and system thereof |
US9509399B2 (en) | 2015-02-13 | 2016-11-29 | Schweitzer Engineering Laboratories, Inc. | Transmission line protection using traveling waves in optical ground wire fiber |
US10074969B2 (en) | 2015-03-30 | 2018-09-11 | Abb Schweiz Ag | Travelling wave protection of a transmission line |
CN108028529B (zh) * | 2015-09-18 | 2019-12-20 | 施瓦哲工程实验有限公司 | 电力输送***的时域线路保护 |
US10090664B2 (en) | 2015-09-18 | 2018-10-02 | Schweitzer Engineering Laboratories, Inc. | Time-domain directional line protection of electric power delivery systems |
WO2017066205A1 (en) | 2015-10-12 | 2017-04-20 | Schweitzer Engineering Laboratories, Inc. | Traveling wave directional element |
US10180451B2 (en) | 2015-10-13 | 2019-01-15 | Schweitzer Engineering Laboratories, Inc. | Electric power system monitoring using high-frequency signals |
US10564246B2 (en) | 2015-10-13 | 2020-02-18 | Schweitzer Engineering Laboratories, Inc. | Testing system for traveling wave fault detectors |
US10564247B2 (en) | 2015-10-13 | 2020-02-18 | Schweitzer Engineering Laboratories, Inc. | Testing system for traveling wave fault detectors |
WO2017066704A1 (en) | 2015-10-14 | 2017-04-20 | Schweitzer Engineering Laboratories, Inc. | High-frequency electric power system signal processing system |
US10522995B2 (en) | 2016-06-13 | 2019-12-31 | 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 |
CN106501677A (zh) * | 2016-10-27 | 2017-03-15 | 国网福建省电力有限公司 | 无需整定阈值的柔性直流输电架空线路故障快速判断方法 |
US10295585B2 (en) | 2016-11-11 | 2019-05-21 | Schweitzer Engineering Laboratories, Inc. | Traveling wave based single end fault location |
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 |
US10495680B2 (en) | 2017-06-14 | 2019-12-03 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for detecting current transformer ultrasaturation to enhance relay security and dependability |
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 |
US11592498B2 (en) | 2020-10-02 | 2023-02-28 | Schweitzer Engineering Laboratories, Inc. | Multi-phase fault identification in capacitor banks |
CN112327083B (zh) * | 2020-10-31 | 2022-08-26 | 贵州电网有限责任公司 | 一种保护跳闸出口逻辑验证器 |
US11735907B2 (en) | 2021-02-03 | 2023-08-22 | Schweitzer Engineering Laboratories, Inc. | Traveling wave overcurrent protection for electric power delivery systems |
US11808824B2 (en) | 2021-03-17 | 2023-11-07 | Schweitzer Engineering Laboratories, Inc. | Systems and methods to identify open phases of a capacitor bank |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE368092B (de) * | 1972-11-06 | 1974-06-17 | Asea Ab | |
SE375886B (de) * | 1973-08-22 | 1975-04-28 | Asea Ab | |
SE387019B (sv) * | 1974-11-21 | 1976-08-23 | Asea Ab | Skydd for i elektrisk kraftnet ingaende anleggningsdelar |
CH608916A5 (de) * | 1975-04-28 | 1979-01-31 | Bbc Brown Boveri & Cie | |
CH608917A5 (de) * | 1975-06-05 | 1979-01-31 | Bbc Brown Boveri & Cie | |
DE2539451C2 (de) * | 1975-09-04 | 1984-03-29 | Siemens AG, 1000 Berlin und 8000 München | Elektronisches Rückleistungsschutzrelais |
US4079435A (en) * | 1976-08-13 | 1978-03-14 | Tamara Borisovna Zaslavskaya | Method of protecting power transmission lines and apparatus for realizing same |
US4100587A (en) * | 1976-12-28 | 1978-07-11 | General Electric Company | Circuit for detecting the flow of an excess of reverse power from a load to a power system |
-
1978
- 1978-04-06 SE SE7803868A patent/SE410925B/sv not_active IP Right Cessation
-
1979
- 1979-03-05 CH CH211879A patent/CH640373A5/de not_active IP Right Cessation
- 1979-03-26 DE DE2911844A patent/DE2911844C2/de not_active Expired
- 1979-04-04 FR FR7908439A patent/FR2422278A1/fr active Granted
- 1979-04-05 GB GB7911910A patent/GB2020120B/en not_active Expired
-
1981
- 1981-05-01 US US06/259,719 patent/US4351011A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2911844C2 (de) | 1985-09-12 |
US4351011A (en) | 1982-09-21 |
DE2911844A1 (de) | 1979-10-18 |
CH640373A5 (de) | 1983-12-30 |
FR2422278B1 (de) | 1985-05-10 |
FR2422278A1 (fr) | 1979-11-02 |
SE7803868L (sv) | 1979-10-07 |
GB2020120B (en) | 1982-09-22 |
GB2020120A (en) | 1979-11-07 |
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Legal Events
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NUG | Patent has lapsed |
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