GB716602A - Improvements relating to voltage stabilisation for power supply circuits - Google Patents

Improvements relating to voltage stabilisation for power supply circuits

Info

Publication number
GB716602A
GB716602A GB1416450A GB1416450A GB716602A GB 716602 A GB716602 A GB 716602A GB 1416450 A GB1416450 A GB 1416450A GB 1416450 A GB1416450 A GB 1416450A GB 716602 A GB716602 A GB 716602A
Authority
GB
United Kingdom
Prior art keywords
voltage
valve
control
output
oscillator
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
GB1416450A
Inventor
Alan Herbert Pratt
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB1416450A priority Critical patent/GB716602A/en
Publication of GB716602A publication Critical patent/GB716602A/en
Expired legal-status Critical Current

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
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/33—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using discharge tubes only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/607—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using discharge tubes in parallel with the load as final control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Rectifiers (AREA)
  • Generation Of Surge Voltage And Current (AREA)

Abstract

716,602. Automatic voltage control systems; converting. ELECTRIC & MUSICAL INDUSTRIES, Ltd. June 4, 1951 [June 7, 1950], No. 14164/50. Classes 38(2) and 38(4) In an automatically controlled E.H.T. supply arrangement, of the type in which the output of an oscillator is rectified by a voltage multiplying rectifier/condenser circuit, the voltage across one condenser of the multiplier is used as the measure of the output voltage. The output voltage of a voltage tripling rectifier arrangement 12, 13, 14, supplied from an oscillator 1, is controlled by tapping a portion of a voltage proportional to the output from a potentiometer 19 connected across the first condenser 15 comparing it in the grid cathode circuit of a valve 21 with a reference voltage derived from a gas discharge tube 23, and controlling a valve 27 to correctively control the screen voltage of the oscillator 1. A voltage component proportional to the load current is derived from the drop across a resistor 10 in series with the load, and this is deducted from the control voltage to compensate for voltage fluctuations due to load current changes. In a modification, the reference voltage and the control voltage are applied respectively to the control electrode of a cathode coupled pair of valves, the difference voltage being obtained from the anode of which ever valve gives the correct polarity for application to valve 27.
GB1416450A 1950-06-07 1950-06-07 Improvements relating to voltage stabilisation for power supply circuits Expired GB716602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1416450A GB716602A (en) 1950-06-07 1950-06-07 Improvements relating to voltage stabilisation for power supply circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1416450A GB716602A (en) 1950-06-07 1950-06-07 Improvements relating to voltage stabilisation for power supply circuits

Publications (1)

Publication Number Publication Date
GB716602A true GB716602A (en) 1954-10-13

Family

ID=10036157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1416450A Expired GB716602A (en) 1950-06-07 1950-06-07 Improvements relating to voltage stabilisation for power supply circuits

Country Status (1)

Country Link
GB (1) GB716602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058109B (en) * 1955-07-28 1959-05-27 Philips Nv Circuit for keeping a high DC voltage constant on a load circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058109B (en) * 1955-07-28 1959-05-27 Philips Nv Circuit for keeping a high DC voltage constant on a load circuit

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