GB496960A - Improved means for controlling the electrode feeding mechanism of direct current electric arcs - Google Patents

Improved means for controlling the electrode feeding mechanism of direct current electric arcs

Info

Publication number
GB496960A
GB496960A GB1590237A GB1590237A GB496960A GB 496960 A GB496960 A GB 496960A GB 1590237 A GB1590237 A GB 1590237A GB 1590237 A GB1590237 A GB 1590237A GB 496960 A GB496960 A GB 496960A
Authority
GB
United Kingdom
Prior art keywords
arc
controlling
direct current
feeding mechanism
current electric
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
GB1590237A
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 GB1590237A priority Critical patent/GB496960A/en
Publication of GB496960A publication Critical patent/GB496960A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/0081—Controlling of arc lamps

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

496,960. Automatic control systems. STEVENS, S. A., and WESTINGHOUSE BRAKE & SIGNAL CO., Ltd. June 8, 1937, No. 15902. [Class 38 (iv)] Arcs.-In an electrode feed device for direct-current arc lamps, the winding of a relay for controlling the feed-mechanism is connected in a circuit which includes the arc and an auxiliary source of direct current voltage which is unaffected by variations of the internal impedance of the arc. The Figure shows an arc 1 supplied from an alternating-current source through a rectifier and control device 2. The winding of the relay 5 controlling the feed-mechanism is connected to a variable point 6 of a resistance 4 connected across the terminals 3 of a constant-voltage supply. This last may be derived from the same source as the arc supply through a separate transformer and rectifier.
GB1590237A 1937-06-08 1937-06-08 Improved means for controlling the electrode feeding mechanism of direct current electric arcs Expired GB496960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1590237A GB496960A (en) 1937-06-08 1937-06-08 Improved means for controlling the electrode feeding mechanism of direct current electric arcs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1590237A GB496960A (en) 1937-06-08 1937-06-08 Improved means for controlling the electrode feeding mechanism of direct current electric arcs

Publications (1)

Publication Number Publication Date
GB496960A true GB496960A (en) 1938-12-08

Family

ID=10067606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1590237A Expired GB496960A (en) 1937-06-08 1937-06-08 Improved means for controlling the electrode feeding mechanism of direct current electric arcs

Country Status (1)

Country Link
GB (1) GB496960A (en)

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