IT1082781B - Dispositivo per l'alimentazione di filtri in dispositivi di protezione elettrica - Google Patents

Dispositivo per l'alimentazione di filtri in dispositivi di protezione elettrica

Info

Publication number
IT1082781B
IT1082781B IT68506/77A IT6850677A IT1082781B IT 1082781 B IT1082781 B IT 1082781B IT 68506/77 A IT68506/77 A IT 68506/77A IT 6850677 A IT6850677 A IT 6850677A IT 1082781 B IT1082781 B IT 1082781B
Authority
IT
Italy
Prior art keywords
protection devices
electrical protection
feeding filters
filters
feeding
Prior art date
Application number
IT68506/77A
Other languages
English (en)
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 IT1082781B publication Critical patent/IT1082781B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/18—Indicating phase sequence; Indicating synchronism
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Rectifiers (AREA)
  • Direct Current Feeding And Distribution (AREA)
IT68506/77A 1976-06-30 1977-06-29 Dispositivo per l'alimentazione di filtri in dispositivi di protezione elettrica IT1082781B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7607485A SE399995B (sv) 1976-06-30 1976-06-30 Anordning for matning av stromfilter i elektriska skydd

Publications (1)

Publication Number Publication Date
IT1082781B true IT1082781B (it) 1985-05-21

Family

ID=20328351

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68506/77A IT1082781B (it) 1976-06-30 1977-06-29 Dispositivo per l'alimentazione di filtri in dispositivi di protezione elettrica

Country Status (9)

Country Link
US (1) US4150412A (it)
CA (1) CA1085449A (it)
CH (1) CH612272A5 (it)
DE (1) DE2727468C2 (it)
FR (1) FR2357092A1 (it)
GB (1) GB1577558A (it)
IT (1) IT1082781B (it)
SE (1) SE399995B (it)
YU (1) YU158477A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479160A (en) * 1983-05-02 1984-10-23 Westinghouse Electric Corp. Band-pass sequence filters for symmetrical components of multiphase AC power systems
DE3319306C2 (de) * 1983-05-27 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Fehlererkennungsschaltung für parallel auf einen Verbraucher speisende Stromversorgungsgeräte
TWI505612B (zh) * 2013-08-23 2015-10-21 Delta Electronics Inc 用於電流互感器的取樣電路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411066A (en) * 1965-01-15 1968-11-12 Bausch & Lomb Ac to dc converter for ac voltage measurement
DE2052594A1 (de) * 1969-12-05 1971-06-09 Werkzeugmasch Heckert Veb Schaltungsanordnung zum phasennchti gen Demoduheren von amphtudenmodulierten Tragerfrequenz Meßsignalen
SU448531A1 (ru) * 1972-10-03 1974-10-30 Рижский политехнический институт Фазодетекторное реле
US3811073A (en) * 1973-03-05 1974-05-14 Westinghouse Electric Corp Alternating current sensing circuit and method
US3992651A (en) * 1975-04-01 1976-11-16 General Electric Company Active symmetrical component network for protective relays
US4000446A (en) * 1975-06-04 1976-12-28 Borg-Warner Corporation Overload protection system for three-phase submersible pump motor

Also Published As

Publication number Publication date
SE399995B (sv) 1978-03-06
US4150412A (en) 1979-04-17
CH612272A5 (it) 1979-07-13
YU158477A (en) 1982-05-31
DE2727468A1 (de) 1978-01-05
FR2357092A1 (fr) 1978-01-27
DE2727468C2 (de) 1982-10-28
GB1577558A (en) 1980-10-22
FR2357092B1 (it) 1983-08-26
CA1085449A (en) 1980-09-09
SE7607485L (sv) 1977-12-31

Similar Documents

Publication Publication Date Title
JPS5529297A (en) Overvoltage protecting device
GB1547543A (en) Field effect device
AT386703B (de) Ueberspannungsschutzgeraet
JPS538755A (en) Protective device for electrical circuits
JPS52132382A (en) Electrical protection device
JPS52138880A (en) Selffprotecting semiconductor device
JPS52129378A (en) Semiconductor device
JPS52110575A (en) Threeeterminal semiconductor device
MX147534A (es) Mejoras en dispositivo protector de circuito rupfor
GB2021337B (en) Electrical protection device
JPS52150985A (en) Semiconductor device
GB2039170B (en) Overvoltage protection device
MX147972A (es) Mejoras en aparato protector de capacitor electrico
GB1538650A (en) Semiconductor device
IT1082781B (it) Dispositivo per l'alimentazione di filtri in dispositivi di protezione elettrica
JPS52153143A (en) Overload protective device for electrical device
GB1540559A (en) Semiconductor device
JPS52147725A (en) Overvoltage protector for electric device
GB1555214A (en) Protection device for ac motor circuit
DK433380A (da) Overspaendingsbeskyttelsesindretning
JPS52147072A (en) Semiconductor device
JPS52104877A (en) Semiconductor device
JPS52107773A (en) Semiconductor device
JPS5537858A (en) Semiconductor overvoltage protecting device
IT1141817B (it) Dispositivo elettrificatore di protezione