CA1028752A - Protection device for objects included in electrical power supply networks - Google Patents

Protection device for objects included in electrical power supply networks

Info

Publication number
CA1028752A
CA1028752A CA207,343A CA207343A CA1028752A CA 1028752 A CA1028752 A CA 1028752A CA 207343 A CA207343 A CA 207343A CA 1028752 A CA1028752 A CA 1028752A
Authority
CA
Canada
Prior art keywords
power supply
electrical power
protection device
objects included
supply networks
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
CA207,343A
Other languages
English (en)
French (fr)
Other versions
CA207343S (en
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 CA1028752A publication Critical patent/CA1028752A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/04Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/265Sectionalised 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)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
CA207,343A 1973-08-22 1974-08-19 Protection device for objects included in electrical power supply networks Expired CA1028752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7311395A SE375886B (xx) 1973-08-22 1973-08-22

Publications (1)

Publication Number Publication Date
CA1028752A true CA1028752A (en) 1978-03-28

Family

ID=20318290

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,343A Expired CA1028752A (en) 1973-08-22 1974-08-19 Protection device for objects included in electrical power supply networks

Country Status (8)

Country Link
US (1) US3956671A (xx)
CA (1) CA1028752A (xx)
CH (1) CH579331A5 (xx)
DE (1) DE2438354C3 (xx)
FR (1) FR2241896B1 (xx)
GB (1) GB1476645A (xx)
IT (1) IT1016630B (xx)
SE (1) SE375886B (xx)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE387019B (sv) * 1974-11-21 1976-08-23 Asea Ab Skydd for i elektrisk kraftnet ingaende anleggningsdelar
CH600644A5 (xx) * 1975-06-19 1978-06-30 Bbc Brown Boveri & Cie
US4032766A (en) * 1976-05-17 1977-06-28 Tally Corporation Wide range current flow fault detector
SE409153B (sv) * 1977-11-28 1979-07-30 Asea Ab Releskydd med trefasutlosning vid underspenning
SE409267B (sv) * 1977-11-28 1979-08-06 Asea Ab Releskydd med funktionsverdesomkoppling
SE409266B (sv) * 1977-11-28 1979-08-06 Asea Ab Releskydd med fasvis sperrfunktion
US4261038A (en) * 1978-02-28 1981-04-07 National Research Development Corporation Protection of electrical power supply systems
SE410925B (sv) * 1978-04-06 1979-11-12 Asea Ab Riktad vagdetektor
SE446795B (sv) * 1980-12-05 1986-10-06 Asea Ab Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem
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
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
GB0120748D0 (en) 2001-08-25 2001-10-17 Lucas Aerospace Power Equip Generator
US7058482B2 (en) * 2002-02-25 2006-06-06 General Electric Company Data sample and transmission modules for power distribution systems
US7747356B2 (en) 2002-02-25 2010-06-29 General Electric Company Integrated protection, monitoring, and control system
AU2003216397A1 (en) * 2002-02-25 2003-09-09 General Electric Company Electrical protection system for reliability improvement based on sensitivity analysis
US7111195B2 (en) * 2002-02-25 2006-09-19 General Electric Company Method and system for external clock to obtain multiple synchronized redundant computers
US7532955B2 (en) * 2002-02-25 2009-05-12 General Electric Company Distributed protection system for power distribution systems
US20030212473A1 (en) * 2002-02-25 2003-11-13 General Electric Company Processing system for a power distribution system
US7636616B2 (en) * 2003-02-25 2009-12-22 General Electric Company Protection system for power distribution systems
US7039822B2 (en) * 2003-02-27 2006-05-02 Promos Technologies Inc. Integrated circuit memory architecture with selectively offset data and address delays to minimize skew and provide synchronization of signals at the input/output section
GB2401467B (en) * 2003-05-09 2006-01-25 Autoliv Dev Improvements in or relating to a movable or removable unit for a motor vehicle
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
EP3194987A4 (en) 2014-09-16 2018-06-13 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
CN104795801B (zh) * 2015-04-29 2018-02-16 南京南瑞继保电气有限公司 一种基于电压量的断路器非全相判别方法及装置
US10090664B2 (en) 2015-09-18 2018-10-02 Schweitzer Engineering Laboratories, Inc. Time-domain directional line protection of electric power delivery systems
WO2017049224A1 (en) 2015-09-18 2017-03-23 Schweitzer Engineering Laboratories, Inc. Time-domain 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
US10564247B2 (en) 2015-10-13 2020-02-18 Schweitzer Engineering Laboratories, Inc. Testing system for traveling wave fault detectors
US10564246B2 (en) 2015-10-13 2020-02-18 Schweitzer Engineering Laboratories, Inc. Testing system for traveling wave fault detectors
EP3362805A4 (en) 2015-10-13 2019-06-19 Schweitzer Engineering Laboratories, Inc. MONITORING POWER SUPPLY SYSTEM USING HIGH FREQUENCY SIGNALS
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
WO2017218558A1 (en) 2016-06-14 2017-12-21 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
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
US10763663B2 (en) * 2018-02-27 2020-09-01 Abb Power Grids Switzerland Ag High speed protection of power transmission lines
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE368092B (xx) * 1972-11-06 1974-06-17 Asea Ab

Also Published As

Publication number Publication date
FR2241896A1 (xx) 1975-03-21
DE2438354C3 (de) 1978-07-06
FR2241896B1 (xx) 1986-01-03
IT1016630B (it) 1977-06-20
CH579331A5 (xx) 1976-08-31
US3956671A (en) 1976-05-11
DE2438354B2 (de) 1977-10-06
GB1476645A (en) 1977-06-16
DE2438354A1 (de) 1975-03-06
SE7311395L (xx) 1975-02-24
SE375886B (xx) 1975-04-28

Similar Documents

Publication Publication Date Title
CA1028752A (en) Protection device for objects included in electrical power supply networks
CA1005117A (en) Power supply having improved over-voltage protection
CA1022998A (en) Power supply
CA959929A (en) Electric power supply system
CA1027654A (en) Safety device in electrical connection devices
CA888917A (en) Three-phase power supply
CA991696A (en) Electrical power substation
CA1022617A (en) Electric power unit
CA1025520A (en) Power supply circuit
SU587559A1 (ru) Устройство дл защиты от перенапр жени в автономных гененаторах
CA1033420A (en) Electrical generator
MY7500142A (en) Improvements in electrical power distribution systems
CA995299A (en) Means for increasing the stability in high-voltage power supply networks
CA979068A (en) Electrical power supply
AU427590B2 (en) Improvements in electrical power distribution systems
AU478187B2 (en) Means for increasing the stability in high-voltage power supply networks
ZA732595B (en) Improvements in electrical power distribution systems
AU428989B2 (en) Electric power generator
CA1025944A (en) Power supply units
CA810777A (en) Electrical power centre
CA824790A (en) Voltage changing power supply for electric fences
CA989002A (en) Standby power apparatus
ZA731090B (en) Electrical power distribution system
CA898927A (en) Electrical distribution device for use in bus-duct
CA1017402A (en) Corona power supply circuit