GB996895A - Network for the thermal compensation of electric current regulators - Google Patents

Network for the thermal compensation of electric current regulators

Info

Publication number
GB996895A
GB996895A GB33085/62A GB3308562A GB996895A GB 996895 A GB996895 A GB 996895A GB 33085/62 A GB33085/62 A GB 33085/62A GB 3308562 A GB3308562 A GB 3308562A GB 996895 A GB996895 A GB 996895A
Authority
GB
United Kingdom
Prior art keywords
choke
impedance
temperature
aug
network
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
GB33085/62A
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.)
ZAVODY PRUMYSLOVE AUTOMATISACE
Original Assignee
ZAVODY PRUMYSLOVE AUTOMATISACE
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 ZAVODY PRUMYSLOVE AUTOMATISACE filed Critical ZAVODY PRUMYSLOVE AUTOMATISACE
Publication of GB996895A publication Critical patent/GB996895A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac

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)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

996, 895. Automatic current control. ZAVODY PRUMYSLAVE AUTOMATISACE NARODNI PODNIK. Aug.29, 1962 [Aug. 31,1961], No. 33085/62. Heading G3R. In an arrangement for supplying a load, e.g. aerodrome lamps 9, with a constant current from a source 8 in which feedback is derived from a device 6 which compares a reference 7 with the smoothed, rectified output of a current transformer 1, errors due to the effect of temperature on the smoothing choke 5 are avoided by a compensating network comprising a temperature sensitive impedance 10 with a positive characteristic connected effectively in parallel with the choke. The current transformer supplies three parallel circuits: - a loading impedance 2, the temperature sensitive element 10 with sines resistance 11 (temperature independent), and the circuit comprising the rectifier 4, series impedance 3 and choke 5. The ratio of 3 and 5,10 and 11 is chosen so that the shunting effect of 10,11 decreases to compensate for increasing impedance of choke 5.
GB33085/62A 1961-08-31 1962-08-29 Network for the thermal compensation of electric current regulators Expired GB996895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS529161 1961-08-31

Publications (1)

Publication Number Publication Date
GB996895A true GB996895A (en) 1965-06-30

Family

ID=5397524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33085/62A Expired GB996895A (en) 1961-08-31 1962-08-29 Network for the thermal compensation of electric current regulators

Country Status (4)

Country Link
BE (1) BE621869A (en)
CH (1) CH396164A (en)
FR (1) FR1340255A (en)
GB (1) GB996895A (en)

Also Published As

Publication number Publication date
BE621869A (en)
FR1340255A (en) 1963-10-18
CH396164A (en) 1965-07-31

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