CA1054701A - Protection means for objects included in electrical power supply networks - Google Patents

Protection means for objects included in electrical power supply networks

Info

Publication number
CA1054701A
CA1054701A CA239827A CA239827A CA1054701A CA 1054701 A CA1054701 A CA 1054701A CA 239827 A CA239827 A CA 239827A CA 239827 A CA239827 A CA 239827A CA 1054701 A CA1054701 A CA 1054701A
Authority
CA
Canada
Prior art keywords
phase
detector
level
protection means
partial
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
Application number
CA239827A
Other languages
English (en)
French (fr)
Inventor
Gunnar Nimmersjo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Norden Holding AB
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
Application granted granted Critical
Publication of CA1054701A publication Critical patent/CA1054701A/en
Expired legal-status Critical Current

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)
  • Train Traffic Observation, Control, And Security (AREA)
CA239827A 1974-11-21 1975-11-17 Protection means for objects included in electrical power supply networks Expired CA1054701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7414614A SE387019B (sv) 1974-11-21 1974-11-21 Skydd for i elektrisk kraftnet ingaende anleggningsdelar

Publications (1)

Publication Number Publication Date
CA1054701A true CA1054701A (en) 1979-05-15

Family

ID=20322767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA239827A Expired CA1054701A (en) 1974-11-21 1975-11-17 Protection means for objects included in electrical power supply networks

Country Status (8)

Country Link
US (1) US4053816A (en:Method)
CA (1) CA1054701A (en:Method)
CH (1) CH590575A5 (en:Method)
DE (1) DE2550670C3 (en:Method)
FR (1) FR2292361B2 (en:Method)
GB (1) GB1523126A (en:Method)
IT (1) IT1055697B (en:Method)
SE (1) SE387019B (en:Method)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE409153B (sv) * 1977-11-28 1979-07-30 Asea Ab Releskydd med trefasutlosning vid underspenning
SE409266B (sv) * 1977-11-28 1979-08-06 Asea Ab Releskydd med fasvis sperrfunktion
SE409267B (sv) * 1977-11-28 1979-08-06 Asea Ab Releskydd med funktionsverdesomkoppling
SE410925B (sv) * 1978-04-06 1979-11-12 Asea Ab Riktad vagdetektor
US6691051B2 (en) * 2001-08-14 2004-02-10 Tektronix, Inc. Transient distance to fault measurement
CA2850834C (en) 2011-10-12 2015-12-29 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
WO2016044469A1 (en) 2014-09-16 2016-03-24 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
WO2017049224A1 (en) 2015-09-18 2017-03-23 Schweitzer Engineering Laboratories, Inc. Time-domain line protection of electric power delivery systems
US10090664B2 (en) 2015-09-18 2018-10-02 Schweitzer Engineering Laboratories, Inc. Time-domain directional line protection of electric power delivery systems
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
US10180451B2 (en) 2015-10-13 2019-01-15 Schweitzer Engineering Laboratories, Inc. Electric power system monitoring using high-frequency signals
US10564247B2 (en) 2015-10-13 2020-02-18 Schweitzer Engineering Laboratories, Inc. Testing system for traveling wave fault detectors
EP3363087A4 (en) 2015-10-13 2019-06-26 Schweitzer Engineering Laboratories, Inc. TEST SYSTEM FOR PROGRESSIVE WAVE DEFECT DETECTORS
US10581237B2 (en) 2015-10-14 2020-03-03 Schweitzer Engineering Laboratories, Inc. High-frequency electric power system signal processing system
WO2017218600A1 (en) 2016-06-13 2017-12-21 Schweitzer Engineering Laboratories, Inc. Overcurrent element in time domain
US11307264B2 (en) 2016-06-14 2022-04-19 Schweitzer Engineering Laboratories, Inc. Phase selection for traveling wave fault detection systems
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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1566425A (en:Method) * 1968-02-27 1969-05-09
SE368092B (en:Method) * 1972-11-06 1974-06-17 Asea Ab
SE373239B (en:Method) * 1973-05-21 1975-01-27 Asea Ab
CH559449A5 (en:Method) * 1973-05-30 1975-02-28 Bbc Brown Boveri & Cie
SE375886B (en:Method) * 1973-08-22 1975-04-28 Asea Ab

Also Published As

Publication number Publication date
FR2292361A2 (fr) 1976-06-18
GB1523126A (en) 1978-08-31
IT1055697B (it) 1982-01-11
SE387019B (sv) 1976-08-23
FR2292361B2 (fr) 1986-02-28
DE2550670C3 (de) 1978-11-02
SE7414614L (sv) 1976-05-24
DE2550670A1 (de) 1976-08-12
US4053816A (en) 1977-10-11
DE2550670B2 (de) 1978-02-09
CH590575A5 (en:Method) 1977-08-15

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