IT1055697B - Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e simili - Google Patents

Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e simili

Info

Publication number
IT1055697B
IT1055697B IT69866/75A IT6986675A IT1055697B IT 1055697 B IT1055697 B IT 1055697B IT 69866/75 A IT69866/75 A IT 69866/75A IT 6986675 A IT6986675 A IT 6986675A IT 1055697 B IT1055697 B IT 1055697B
Authority
IT
Italy
Prior art keywords
transformers
conductors
protection device
electrical circuits
elements inserted
Prior art date
Application number
IT69866/75A
Other languages
English (en)
Italian (it)
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 IT1055697B publication Critical patent/IT1055697B/it

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)
IT69866/75A 1974-11-21 1975-11-20 Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e simili IT1055697B (it)

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
IT1055697B true IT1055697B (it) 1982-01-11

Family

ID=20322767

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69866/75A IT1055697B (it) 1974-11-21 1975-11-20 Dispositivo di protezione per elementi inseriti in circuiti elettrici quali conduttori barre di distribuzione trasformatori e simili

Country Status (8)

Country Link
US (1) US4053816A (2)
CA (1) CA1054701A (2)
CH (1) CH590575A5 (2)
DE (1) DE2550670C3 (2)
FR (1) FR2292361B2 (2)
GB (1) GB1523126A (2)
IT (1) IT1055697B (2)
SE (1) SE387019B (2)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE409153B (sv) * 1977-11-28 1979-07-30 Asea Ab Releskydd med trefasutlosning vid underspenning
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
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
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
US10310004B2 (en) 2015-09-18 2019-06-04 Schweitzer Engineering Laboratories, Inc. Time-domain differential 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
WO2017066489A1 (en) 2015-10-13 2017-04-20 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
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
EP3362807A4 (en) 2015-10-14 2019-06-26 Schweitzer Engineering Laboratories, Inc. HIGH FREQUENCY SIGNAL PROCESSING SYSTEM FOR CURRENT SYSTEM
WO2017218600A1 (en) 2016-06-13 2017-12-21 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
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 (2) * 1968-02-27 1969-05-09
SE368092B (2) * 1972-11-06 1974-06-17 Asea Ab
SE373239B (2) * 1973-05-21 1975-01-27 Asea Ab
CH559449A5 (2) * 1973-05-30 1975-02-28 Bbc Brown Boveri & Cie
SE375886B (2) * 1973-08-22 1975-04-28 Asea Ab

Also Published As

Publication number Publication date
DE2550670C3 (de) 1978-11-02
CH590575A5 (2) 1977-08-15
DE2550670A1 (de) 1976-08-12
US4053816A (en) 1977-10-11
DE2550670B2 (de) 1978-02-09
SE387019B (sv) 1976-08-23
CA1054701A (en) 1979-05-15
SE7414614L (sv) 1976-05-24
FR2292361B2 (fr) 1986-02-28
FR2292361A2 (fr) 1976-06-18
GB1523126A (en) 1978-08-31

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