SE7903585L - Anordning ansluten till ett vexelstromsnet for att avkenna spenning i detta och att ge ett utgangsverde som er proprotionellt med forhallandet mellan netets linjespenning och frekvens - Google Patents

Anordning ansluten till ett vexelstromsnet for att avkenna spenning i detta och att ge ett utgangsverde som er proprotionellt med forhallandet mellan netets linjespenning och frekvens

Info

Publication number
SE7903585L
SE7903585L SE7903585A SE7903585A SE7903585L SE 7903585 L SE7903585 L SE 7903585L SE 7903585 A SE7903585 A SE 7903585A SE 7903585 A SE7903585 A SE 7903585A SE 7903585 L SE7903585 L SE 7903585L
Authority
SE
Sweden
Prior art keywords
voltage
line
detect
relationship
frequency
Prior art date
Application number
SE7903585A
Other languages
Unknown language ( )
English (en)
Other versions
SE416757B (sv
Inventor
S Aviander
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 SE7903585A priority Critical patent/SE416757B/sv
Priority to CH254780A priority patent/CH650079A5/de
Priority to DE19803014096 priority patent/DE3014096A1/de
Priority to FR8008873A priority patent/FR2455285A1/fr
Priority to CA000350515A priority patent/CA1175487A/en
Priority to GB8013451A priority patent/GB2049959B/en
Publication of SE7903585L publication Critical patent/SE7903585L/sv
Publication of SE416757B publication Critical patent/SE416757B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/46—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to frequency deviations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Protection Of Static Devices (AREA)
SE7903585A 1979-04-24 1979-04-24 Anordning anslutning till ett vexelstromsnet for att avkenna spenning i detta och att ge ett utgangsverde som er proportionellt med forhallandet mellan netets linjespenning och frekvens SE416757B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7903585A SE416757B (sv) 1979-04-24 1979-04-24 Anordning anslutning till ett vexelstromsnet for att avkenna spenning i detta och att ge ett utgangsverde som er proportionellt med forhallandet mellan netets linjespenning och frekvens
CH254780A CH650079A5 (de) 1979-04-24 1980-04-01 Anordnung, die an einem wechselstromnetz eine spannung abtastet und einen ausgangswert abgibt, der dem verhaeltnis zwischen der linienspannung und der frequenz des netzes proportional ist.
DE19803014096 DE3014096A1 (de) 1979-04-24 1980-04-12 Anordnung zur messung des verhaeltnisses zwischen der amplitude und der frequenz der wechselspannung eines wechselstromnetzes
FR8008873A FR2455285A1 (fr) 1979-04-24 1980-04-21 Dispositif raccorde a un reseau a courant alternatif, permettant de detecter une tension dans ce reseau et de fournir une valeur initiale proportionnelle au rapport entre la tension de ligne et la frequence du reseau
CA000350515A CA1175487A (en) 1979-04-24 1980-04-23 Means for sensing the ratio between the line voltage and the frequency of an a.c. network
GB8013451A GB2049959B (en) 1979-04-24 1980-04-23 Means for sensing the ratio between the line voltage and the frequency of an ac network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7903585A SE416757B (sv) 1979-04-24 1979-04-24 Anordning anslutning till ett vexelstromsnet for att avkenna spenning i detta och att ge ett utgangsverde som er proportionellt med forhallandet mellan netets linjespenning och frekvens

Publications (2)

Publication Number Publication Date
SE7903585L true SE7903585L (sv) 1980-10-25
SE416757B SE416757B (sv) 1981-02-02

Family

ID=20337884

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7903585A SE416757B (sv) 1979-04-24 1979-04-24 Anordning anslutning till ett vexelstromsnet for att avkenna spenning i detta och att ge ett utgangsverde som er proportionellt med forhallandet mellan netets linjespenning och frekvens

Country Status (6)

Country Link
CA (1) CA1175487A (sv)
CH (1) CH650079A5 (sv)
DE (1) DE3014096A1 (sv)
FR (1) FR2455285A1 (sv)
GB (1) GB2049959B (sv)
SE (1) SE416757B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044020A1 (de) * 1980-11-22 1982-06-03 Hermann Dr. 3171 Rötgesbüttel Lühr Magnetometer mit digitaler messwertdarstellung nach dem impulsintegrationsverfahren
KR850000683A (ko) * 1983-06-30 1985-02-28 카다야마 히도하지로 가변주파수 전력계통의 전압검출 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546534A (en) * 1968-01-31 1970-12-08 Gen Electric Overexcitation relay
US3717818A (en) * 1972-01-10 1973-02-20 J Herbst Instantaneous voltage detector

Also Published As

Publication number Publication date
GB2049959B (en) 1983-01-12
CA1175487A (en) 1984-10-02
GB2049959A (en) 1980-12-31
FR2455285B1 (sv) 1985-04-19
CH650079A5 (de) 1985-06-28
SE416757B (sv) 1981-02-02
FR2455285A1 (fr) 1980-11-21
DE3014096A1 (de) 1980-11-13

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