BR8005657A - Circuito de memoria para um dispositivo de protecao de rele - Google Patents

Circuito de memoria para um dispositivo de protecao de rele

Info

Publication number
BR8005657A
BR8005657A BR8005657A BR8005657A BR8005657A BR 8005657 A BR8005657 A BR 8005657A BR 8005657 A BR8005657 A BR 8005657A BR 8005657 A BR8005657 A BR 8005657A BR 8005657 A BR8005657 A BR 8005657A
Authority
BR
Brazil
Prior art keywords
protection device
memory circuit
relay protection
relay
memory
Prior art date
Application number
BR8005657A
Other languages
English (en)
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
Publication of BR8005657A publication Critical patent/BR8005657A/pt

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
BR8005657A 1979-09-07 1980-09-05 Circuito de memoria para um dispositivo de protecao de rele BR8005657A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8005657A true BR8005657A (pt) 1981-03-17

Family

ID=20338775

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005657A BR8005657A (pt) 1979-09-07 1980-09-05 Circuito de memoria para um dispositivo de protecao de rele

Country Status (9)

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

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 (pt) * 1975-07-08 1978-07-14 Sprecher & Schuh Ag

Also Published As

Publication number Publication date
FR2465339A1 (fr) 1981-03-20
GB2061646A (en) 1981-05-13
US4342063A (en) 1982-07-27
SE7907436L (sv) 1981-03-08
YU226980A (en) 1983-10-31
SE418555B (sv) 1981-06-09
DE3031974C2 (de) 1988-08-18
CH652250A5 (de) 1985-10-31
DE3031974A1 (de) 1981-03-26
GB2061646B (en) 1983-03-30
CA1150389A (en) 1983-07-19
FR2465339B1 (pt) 1985-02-08

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