GB191322420A - Improvements in and relating to Electric Distribution Systems. - Google Patents

Improvements in and relating to Electric Distribution Systems.

Info

Publication number
GB191322420A
GB191322420A GB191322420DA GB191322420A GB 191322420 A GB191322420 A GB 191322420A GB 191322420D A GB191322420D A GB 191322420DA GB 191322420 A GB191322420 A GB 191322420A
Authority
GB
United Kingdom
Prior art keywords
coils
current
exciter
opposition
regulator
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
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Application granted granted Critical
Publication of GB191322420A publication Critical patent/GB191322420A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/14Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
    • H02P9/24Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator

Abstract

22,420. British Thomson-Houston Co., [General ELectric Co.]. Oct. 4. Systems depending on the use of two or more machines.-The excitation of a synchronous motor 5 for controlling the power-factor of an alternating-current supply-system 1, 2, 3 is regulated by means of a regulator A of the vibrating type, the contacts 14 of which are mounted on pivoted arms 15, 16, one of which is controlled by a solenoid 18 placed across the exciter 7, while the other is controlled by two potential coils 23, 24 and two current coils 21, 22 acting on two connected cores 20,20<1>. The potential coils 23, 24 act in opposition, and the two current coils 21, 22, fed from a current transformer 27, act in opposition to the coils 23, 24 respectively. The current in the coils 21, 22 is maintained substantially constant by means of a shunt 28, which gives a practically constant drop in voltige across its terminals for wide variations of current passing through it. The regulator A controls the energization of a relay 12 adapted to short-circuit a resistance 10 in the field circuit of the exciter 7.
GB191322420D 1913-10-04 1913-10-04 Improvements in and relating to Electric Distribution Systems. Expired GB191322420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191322420T 1913-10-04

Publications (1)

Publication Number Publication Date
GB191322420A true GB191322420A (en) 1914-09-10

Family

ID=34360160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191322420D Expired GB191322420A (en) 1913-10-04 1913-10-04 Improvements in and relating to Electric Distribution Systems.

Country Status (1)

Country Link
GB (1) GB191322420A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428908A (en) * 1946-01-10 1947-10-14 P & K Inc Fishing reel
US2591338A (en) * 1947-03-29 1952-04-01 P & K Inc Fishing reel
US2593700A (en) * 1946-09-27 1952-04-22 Rosner Ernest Fishing reel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428908A (en) * 1946-01-10 1947-10-14 P & K Inc Fishing reel
US2593700A (en) * 1946-09-27 1952-04-22 Rosner Ernest Fishing reel
US2591338A (en) * 1947-03-29 1952-04-01 P & K Inc Fishing reel

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