SE418555B - Minneskrets for releskydd - Google Patents

Minneskrets for releskydd

Info

Publication number
SE418555B
SE418555B SE7907436A SE7907436A SE418555B SE 418555 B SE418555 B SE 418555B SE 7907436 A SE7907436 A SE 7907436A SE 7907436 A SE7907436 A SE 7907436A SE 418555 B SE418555 B SE 418555B
Authority
SE
Sweden
Prior art keywords
detector
memory circuit
error
phase change
amplitude
Prior art date
Application number
SE7907436A
Other languages
English (en)
Swedish (sv)
Other versions
SE7907436L (sv
Inventor
L Thornell
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 SE7907436A priority Critical patent/SE418555B/sv
Priority to CH5205/80A priority patent/CH652250A5/de
Priority to DE3031974A priority patent/DE3031974C2/de
Priority to FR8018914A priority patent/FR2465339A1/fr
Priority to YU02269/80A priority patent/YU226980A/xx
Priority to CA000359643A priority patent/CA1150389A/fr
Priority to BR8005657A priority patent/BR8005657A/pt
Priority to GB8028798A priority patent/GB2061646B/en
Priority to US06/184,543 priority patent/US4342063A/en
Publication of SE7907436L publication Critical patent/SE7907436L/xx
Publication of SE418555B publication Critical patent/SE418555B/sv

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053—Means for storing the measured quantities during a predetermined time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Manipulation Of Pulses (AREA)
SE7907436A 1979-09-07 1979-09-07 Minneskrets for releskydd SE418555B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE7907436A SE418555B (sv) 1979-09-07 1979-09-07 Minneskrets for releskydd
CH5205/80A CH652250A5 (de) 1979-09-07 1980-07-08 Speicherkreis fuer eine relaisschutzanordnung.
DE3031974A DE3031974C2 (de) 1979-09-07 1980-08-25 Speicherkreis für einen Relaisschutz
FR8018914A FR2465339A1 (fr) 1979-09-07 1980-09-02 Circuit de memoire pour un dispositif de protection a relais
YU02269/80A YU226980A (en) 1979-09-07 1980-09-05 Memory circuit or a relay protection device
CA000359643A CA1150389A (fr) 1979-09-07 1980-09-05 Circuit a memoire de dispositif de protection a relais
BR8005657A BR8005657A (pt) 1979-09-07 1980-09-05 Circuito de memoria para um dispositivo de protecao de rele
GB8028798A GB2061646B (en) 1979-09-07 1980-09-05 Memory circuit in a relay protection device
US06/184,543 US4342063A (en) 1979-09-07 1980-09-05 Memory circuit in a relay protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907436A SE418555B (sv) 1979-09-07 1979-09-07 Minneskrets for releskydd

Publications (2)

Publication Number Publication Date
SE7907436L SE7907436L (sv) 1981-03-08
SE418555B true SE418555B (sv) 1981-06-09

Family

ID=20338775

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7907436A SE418555B (sv) 1979-09-07 1979-09-07 Minneskrets for releskydd

Country Status (9)

Country Link
US (1) US4342063A (fr)
BR (1) BR8005657A (fr)
CA (1) CA1150389A (fr)
CH (1) CH652250A5 (fr)
DE (1) DE3031974C2 (fr)
FR (1) FR2465339A1 (fr)
GB (1) GB2061646B (fr)
SE (1) SE418555B (fr)
YU (1) YU226980A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589073A (en) * 1982-05-05 1986-05-13 Dorman Smith Switchgear Limited Apparatus for determining prospective short circuit current
SE452534B (sv) * 1986-04-08 1987-11-30 Asea Ab Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning
US4797833A (en) * 1986-09-30 1989-01-10 Louisiana State University Microprocessor based controller for a three phase bridge rectifier
US4731690A (en) * 1986-12-05 1988-03-15 Westinghouse Electrical Corp. Real load unbalance protection system for parallel variable speed constant frequency electrical power systems
US5622764A (en) * 1995-06-07 1997-04-22 Minnesota Mining And Manufacturing Company Sterilization indicators and methods
CN116009926B (zh) * 2023-03-27 2023-06-02 广东电网有限责任公司中山供电局 一种继电保护装置远方升级方法、装置及系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569785A (en) * 1968-07-09 1971-03-09 Ibm Power system protective relaying by time-coordinated sampling and calculation
CA968412A (en) * 1970-03-13 1975-05-27 Louis Ricard Dispositif de surveillance de lignes electriques
CH557610A (de) * 1973-10-17 1974-12-31 Sprecher & Schuh Ag Spannungsgedaechtnis-schaltanordnung zur fortsetzung der ausgabe von spannungssignalen fuer eine bestimmte dauer.
CH601914A5 (fr) * 1975-07-08 1978-07-14 Sprecher & Schuh Ag

Also Published As

Publication number Publication date
SE7907436L (sv) 1981-03-08
GB2061646A (en) 1981-05-13
DE3031974C2 (de) 1988-08-18
FR2465339B1 (fr) 1985-02-08
BR8005657A (pt) 1981-03-17
CA1150389A (fr) 1983-07-19
GB2061646B (en) 1983-03-30
FR2465339A1 (fr) 1981-03-20
CH652250A5 (de) 1985-10-31
US4342063A (en) 1982-07-27
YU226980A (en) 1983-10-31
DE3031974A1 (de) 1981-03-26

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