SE381540B - Apparat for omvandling av en inspenning av en forsta frekvens till en utspenning av legre frekvens - Google Patents

Apparat for omvandling av en inspenning av en forsta frekvens till en utspenning av legre frekvens

Info

Publication number
SE381540B
SE381540B SE7213358A SE1335872A SE381540B SE 381540 B SE381540 B SE 381540B SE 7213358 A SE7213358 A SE 7213358A SE 1335872 A SE1335872 A SE 1335872A SE 381540 B SE381540 B SE 381540B
Authority
SE
Sweden
Prior art keywords
frequency
breeding
interruption
conversion
lower frequency
Prior art date
Application number
SE7213358A
Other languages
English (en)
Inventor
E H Phillips
R D Underwood
Original Assignee
Programmed Power
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 Programmed Power filed Critical Programmed Power
Publication of SE381540B publication Critical patent/SE381540B/sv

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/27—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ac-Ac Conversion (AREA)
  • Inverter Devices (AREA)
  • Rectifiers (AREA)
SE7213358A 1971-10-18 1972-10-17 Apparat for omvandling av en inspenning av en forsta frekvens till en utspenning av legre frekvens SE381540B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19011071A 1971-10-18 1971-10-18

Publications (1)

Publication Number Publication Date
SE381540B true SE381540B (sv) 1975-12-08

Family

ID=22700044

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7213358A SE381540B (sv) 1971-10-18 1972-10-17 Apparat for omvandling av en inspenning av en forsta frekvens till en utspenning av legre frekvens

Country Status (11)

Country Link
US (1) US3786335A (sv)
JP (1) JPS4848921A (sv)
AU (1) AU458755B2 (sv)
BR (1) BR7207224D0 (sv)
CA (1) CA969613A (sv)
DE (1) DE2250910A1 (sv)
FR (1) FR2156766B1 (sv)
GB (1) GB1410821A (sv)
IT (1) IT970715B (sv)
NL (1) NL7213697A (sv)
SE (1) SE381540B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480899A (en) * 1973-10-19 1977-07-27 Secr Defence Phase shifting apparatus
US7508160B1 (en) * 2006-12-04 2009-03-24 Converteam Inc. Soft start system for motors utilizing variable frequency drive and autotransformer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246231A (en) * 1961-11-10 1966-04-12 Bell Telephone Labor Inc Frequency conversion system utilizing controlled frequency feedback
FR1339607A (fr) * 1962-08-10 1963-10-11 Cie Generale D Electricite Ind Perfectionnements aux convertisseurs d'énergie électrique alternative à fréquence réglable
US3319147A (en) * 1966-04-20 1967-05-09 Gen Electric Variable frequency, variable wave form inverter
US3431483A (en) * 1966-12-30 1969-03-04 Gen Electric Cycloconverter power circuits
CH488322A (de) * 1967-06-27 1970-03-31 Oerlikon Maschf Verfahren zum Betrieb eines Direktumrichters
US3510749A (en) * 1968-02-23 1970-05-05 Trw Inc Power frequency multiplication using natural sampled quad pulse width modulated inverter
US3600655A (en) * 1968-05-21 1971-08-17 Beloit Corp System for controlling the speed of a plurality of motors which have output shafts to drive elements that are interrelated
US3593103A (en) * 1969-03-04 1971-07-13 Gen Electric Inverter system with automatic ridethrough
CA896086A (en) * 1969-05-19 1972-03-21 Kernick Andress Programmed waveform static inverter for digitally generating a-c waveforms comprised of a pattern of equal width voltage pulses
US3593105A (en) * 1969-09-03 1971-07-13 Allis Louis Co Phase sequence insensitive firing circuit

Also Published As

Publication number Publication date
AU4785472A (en) 1975-01-30
JPS4848921A (sv) 1973-07-11
US3786335A (en) 1974-01-15
IT970715B (it) 1974-04-20
NL7213697A (sv) 1973-04-24
DE2250910A1 (de) 1973-04-26
AU458755B2 (en) 1975-03-06
FR2156766A1 (sv) 1973-06-01
FR2156766B1 (sv) 1976-08-20
GB1410821A (en) 1975-10-22
BR7207224D0 (pt) 1973-09-25
CA969613A (en) 1975-06-17

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