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GB979176A - An amplifier device for converting alternating current from a constant frequency to a desired frequency - Google Patents

An amplifier device for converting alternating current from a constant frequency to a desired frequency

Info

Publication number
GB979176A
GB979176A GB456162A GB456162A GB979176A GB 979176 A GB979176 A GB 979176A GB 456162 A GB456162 A GB 456162A GB 456162 A GB456162 A GB 456162A GB 979176 A GB979176 A GB 979176A
Authority
GB
United Kingdom
Prior art keywords
frequency
alternating current
amplifier device
converting alternating
semi
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB456162A
Inventor
Roy Enos Garten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ConocoPhillips Co
Original Assignee
Continental Oil Co
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 Continental Oil Co filed Critical Continental Oil Co
Publication of GB979176A publication Critical patent/GB979176A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/02—Generating seismic energy
    • G01V1/04—Details
    • 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
    • H02M5/271—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 from a three phase input voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Power Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Ac-Ac Conversion (AREA)
  • Rectifiers (AREA)

Abstract

979,176. Frequency changing. CONTINENTAL OIL CO. Feb. 6, 1962 [Dec. 8 1961], No. 4561/62. Heading H2F. A frequency changer comprises two full-wave semi-conductor controlled rectifier arrangements 12, 14 supplying a common load 20 in opposite directions from an A.C. source 16, and a control circuit arranged so that the rectifiers are switched on alternately at the desired output frequency. In the Figure each rectifier arrangement is a three-phase bridge, comprising three diodes and three semi-conductor controlled rectifiers. The control signals are preferably square waves, with a short time delay between the fall of one and the rise of the other (Fig. 3, not shown). Specifications 768,845 and 837,917 are referred to.
GB456162A 1961-12-08 1962-02-06 An amplifier device for converting alternating current from a constant frequency to a desired frequency Expired GB979176A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15808261A 1961-12-08 1961-12-08

Publications (1)

Publication Number Publication Date
GB979176A true GB979176A (en) 1965-01-01

Family

ID=22566613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB456162A Expired GB979176A (en) 1961-12-08 1962-02-06 An amplifier device for converting alternating current from a constant frequency to a desired frequency

Country Status (1)

Country Link
GB (1) GB979176A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10088582B2 (en) 2014-02-10 2018-10-02 Cgg Services Sas System and method for generating simultaneous plural frequencies in seismic exploration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10088582B2 (en) 2014-02-10 2018-10-02 Cgg Services Sas System and method for generating simultaneous plural frequencies in seismic exploration

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