GB473368A - Improvements relating to apparatus for automatic current regulation in alternating current circuits - Google Patents

Improvements relating to apparatus for automatic current regulation in alternating current circuits

Info

Publication number
GB473368A
GB473368A GB1128736A GB1128736A GB473368A GB 473368 A GB473368 A GB 473368A GB 1128736 A GB1128736 A GB 1128736A GB 1128736 A GB1128736 A GB 1128736A GB 473368 A GB473368 A GB 473368A
Authority
GB
United Kingdom
Prior art keywords
circuit
inductance
current
transformer
improvements relating
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
GB1128736A
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co 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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB1128736A priority Critical patent/GB473368A/en
Publication of GB473368A publication Critical patent/GB473368A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/04—Regulating voltage or current wherein the variable is ac

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

473,368. Systems for supplying consuming devices; automatic regulation. STEVENS, S. A., THOMPSON, L. E., and WESTINGHOUSE BRAKE & SIGNAL CO., Ltd. April 20, 1936, No. 11287. [Class 38 (iv)] A load circuit 5 with a varying resistance characteristic, such as an are or battery charging circuit, is supplied from an A.C. supply 3, 4 with constant current by connecting it directly or through a transformer (with rectifier 7 if required) to the terminals of a condenser 2 or inductance 1 in a circuit resonant at the basic frequency of the supply and an inductance 6 completely saturated at a predetermined maximum voltage is connected in multiple with the load to prevent high voltage on open circuit. The transformer may provide this inductance. Arc systems.-Fig. 4 shows a circuit for supplying a direct-current arc 8 wherein the current may be graduated by successive use of switches 16, 20, 23 connecting the resonant circuits to three phase terminals 13, 14, 15.
GB1128736A 1936-04-20 1936-04-20 Improvements relating to apparatus for automatic current regulation in alternating current circuits Expired GB473368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1128736A GB473368A (en) 1936-04-20 1936-04-20 Improvements relating to apparatus for automatic current regulation in alternating current circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1128736A GB473368A (en) 1936-04-20 1936-04-20 Improvements relating to apparatus for automatic current regulation in alternating current circuits

Publications (1)

Publication Number Publication Date
GB473368A true GB473368A (en) 1937-10-12

Family

ID=9983434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1128736A Expired GB473368A (en) 1936-04-20 1936-04-20 Improvements relating to apparatus for automatic current regulation in alternating current circuits

Country Status (1)

Country Link
GB (1) GB473368A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756391A (en) * 1956-07-24 Voltage-responsive electrical
US2957123A (en) * 1959-04-06 1960-10-18 Stauffer Chemical Co Constant current network level selector
WO1985000201A1 (en) * 1983-06-27 1985-01-17 Hughes Aircraft Company Power-processing unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756391A (en) * 1956-07-24 Voltage-responsive electrical
US2957123A (en) * 1959-04-06 1960-10-18 Stauffer Chemical Co Constant current network level selector
WO1985000201A1 (en) * 1983-06-27 1985-01-17 Hughes Aircraft Company Power-processing unit
US4638149A (en) * 1983-06-27 1987-01-20 Hughes Aircraft Company Power-processing unit

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