SE409266B - Releskydd med fasvis sperrfunktion - Google Patents

Releskydd med fasvis sperrfunktion

Info

Publication number
SE409266B
SE409266B SE7713410A SE7713410A SE409266B SE 409266 B SE409266 B SE 409266B SE 7713410 A SE7713410 A SE 7713410A SE 7713410 A SE7713410 A SE 7713410A SE 409266 B SE409266 B SE 409266B
Authority
SE
Sweden
Prior art keywords
input
blocking
phase
output
signals
Prior art date
Application number
SE7713410A
Other languages
English (en)
Swedish (sv)
Other versions
SE7713410L (sv
Inventor
L Eriksson
S Liberman
Original Assignee
Asea Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asea Ab filed Critical Asea Ab
Priority to SE7713410A priority Critical patent/SE409266B/sv
Priority to CH1123578A priority patent/CH633917A5/de
Priority to FR7832360A priority patent/FR2410387A1/fr
Priority to DE19782850413 priority patent/DE2850413A1/de
Priority to CA316,824A priority patent/CA1128984A/en
Priority to GB7846160A priority patent/GB2010614B/en
Priority to IT69709/78A priority patent/IT1109682B/it
Publication of SE7713410L publication Critical patent/SE7713410L/
Priority to US06/044,389 priority patent/US4377834A/en
Publication of SE409266B publication Critical patent/SE409266B/sv

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
    • 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
    • H02H7/261—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 involving signal transmission between at least two stations
    • H02H7/262—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 involving signal transmission between at least two stations involving transmissions of switching or blocking orders

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
SE7713410A 1977-11-28 1977-11-28 Releskydd med fasvis sperrfunktion SE409266B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7713410A SE409266B (sv) 1977-11-28 1977-11-28 Releskydd med fasvis sperrfunktion
CH1123578A CH633917A5 (de) 1977-11-28 1978-11-01 Schutzschaltungsanordnung fuer elektrische anlageteile, insbesondere fuer leitungsstrecken, sammelschienen und/oder transformatoren.
FR7832360A FR2410387A1 (fr) 1977-11-28 1978-11-16 Protection a relais a fonction de blocage phase par phase
DE19782850413 DE2850413A1 (de) 1977-11-28 1978-11-21 Relaisschutzanordnung fuer anlagenteile elektrischer netze
CA316,824A CA1128984A (en) 1977-11-28 1978-11-24 Relay protection device with a blocking function for each phase
GB7846160A GB2010614B (en) 1977-11-28 1978-11-27 Protection device for electrical power supply networks
IT69709/78A IT1109682B (it) 1977-11-28 1978-11-27 Dispositivo di protezione a retecon funzione bloccante per ognifase
US06/044,389 US4377834A (en) 1977-11-28 1979-06-01 Multiphase blocking circuitry for electrical power supply networks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7713410A SE409266B (sv) 1977-11-28 1977-11-28 Releskydd med fasvis sperrfunktion

Publications (2)

Publication Number Publication Date
SE7713410L SE7713410L (sv) 1979-05-29
SE409266B true SE409266B (sv) 1979-08-06

Family

ID=20333010

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7713410A SE409266B (sv) 1977-11-28 1977-11-28 Releskydd med fasvis sperrfunktion

Country Status (8)

Country Link
US (1) US4377834A (it)
CA (1) CA1128984A (it)
CH (1) CH633917A5 (it)
DE (1) DE2850413A1 (it)
FR (1) FR2410387A1 (it)
GB (1) GB2010614B (it)
IT (1) IT1109682B (it)
SE (1) SE409266B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469735B (sv) * 1992-02-12 1993-08-30 Asea Brown Boveri Foerfarande foer att foerhindra oeverstabilisering av laengsdifferentialskydd vid inre fel paa kraftlinjer samt anordning foer genomfoerande av det naemnda foerfarandet
SE470295B (sv) * 1992-05-22 1994-01-10 Asea Brown Boveri Förfarande och anordning för att förhindra understabilisering av längsdifferentialskydd vid yttre fel och strömtransformatormättning
US9007734B2 (en) 2008-12-10 2015-04-14 Siemens Aktiengesellschaft Method and safety device for monitoring a bus bar of an electrical energy supply grid
US8655609B2 (en) 2011-10-12 2014-02-18 Schweitzer Engineering Laboratories Inc Fault location using traveling waves
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
CN110932246A (zh) * 2015-09-18 2020-03-27 施瓦哲工程实验有限公司 电力输送系统的时域线路保护
WO2017066205A1 (en) 2015-10-12 2017-04-20 Schweitzer Engineering Laboratories, Inc. Traveling wave directional element
US10564247B2 (en) 2015-10-13 2020-02-18 Schweitzer Engineering Laboratories, Inc. Testing system for traveling wave fault detectors
CN108139438B (zh) 2015-10-13 2021-03-12 施瓦哲工程实验有限公司 使用高频信号的电力系统监测
EP3363087A4 (en) 2015-10-13 2019-06-26 Schweitzer Engineering Laboratories, Inc. TEST SYSTEM FOR PROGRESSIVE WAVE DEFECT DETECTORS
EP3362807A4 (en) 2015-10-14 2019-06-26 Schweitzer Engineering Laboratories, Inc. HIGH FREQUENCY SIGNAL PROCESSING SYSTEM FOR CURRENT SYSTEM
CN109154630B (zh) 2016-06-13 2021-01-29 施瓦哲工程实验有限公司 在时域中的过电流元件
CN109275337A (zh) 2016-06-14 2019-01-25 施瓦哲工程实验有限公司 行波故障检测系统的相选择
US10236675B2 (en) 2016-07-26 2019-03-19 Schweitzer Engineering Laboratories, Inc. Fault detection and protection during steady state using traveling waves
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
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
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
US12313701B2 (en) 2021-03-17 2025-05-27 Schweitzer Engineering Laboratories, Inc. Capacitor bank fault detection and identification
US12130322B2 (en) 2022-12-02 2024-10-29 Schweitzer Engineering Laboratories, Inc. Traveling wave analysis and fault locating for electric power systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590324A (en) * 1969-06-27 1971-06-29 Westinghouse Electric Corp Phase comparison relaying network
SE368092B (it) * 1972-11-06 1974-06-17 Asea Ab
SE375886B (it) * 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
US3986079A (en) * 1975-02-07 1976-10-12 Westinghouse Electric Corporation Offset keying technique for segregated phase comparison relaying
GB1570491A (en) * 1975-11-14 1980-07-02 Gen Electric Co Ltd Protective relay arrangements

Also Published As

Publication number Publication date
US4377834A (en) 1983-03-22
IT1109682B (it) 1985-12-23
GB2010614B (en) 1982-01-06
CA1128984A (en) 1982-08-03
SE7713410L (sv) 1979-05-29
DE2850413A1 (de) 1979-05-31
IT7869709A0 (it) 1978-11-27
GB2010614A (en) 1979-06-27
FR2410387B1 (it) 1983-11-10
CH633917A5 (de) 1982-12-31
FR2410387A1 (fr) 1979-06-22

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