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GB191507244A - Improvements in Means for Starting Electric Motors. - Google Patents

Improvements in Means for Starting Electric Motors.

Info

Publication number
GB191507244A
GB191507244A GB191507244DA GB191507244A GB 191507244 A GB191507244 A GB 191507244A GB 191507244D A GB191507244D A GB 191507244DA GB 191507244 A GB191507244 A GB 191507244A
Authority
GB
United Kingdom
Prior art keywords
shunt
switch
coil
circuit
series
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
Inventor
George Arthur Yarwood
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191507244A publication Critical patent/GB191507244A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor And Converter Starters (AREA)

Abstract

7244. Yarwood, G. A. May 14. Systems for continuous-current motors only.-An electro-magnetic switch 4 for starting a motor has a a shunt winding 5 and an opposed series winding 6 so that the switch 4 closes, as the motor speed rises, owing to the predominating influence of the shunt coil. The switch may short-circuit the series coil 6 as well as the resistance 7, and part of the shunt coil may be short-circuited by auxiliary contacts. Where the load is heavy, the resistance is cut out in stages by a number of switches with series and shunt coils. An electro-magnetic line switch may be included in the circuit and controlled by start and stop buttons. The shunt coil 5 may be connected in the exciting-circuit as shown, or directly across the mains.
GB191507244D 1915-05-14 1915-05-14 Improvements in Means for Starting Electric Motors. Expired GB191507244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191507244T 1915-05-14

Publications (1)

Publication Number Publication Date
GB191507244A true GB191507244A (en) 1915-10-28

Family

ID=32649845

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191507244D Expired GB191507244A (en) 1915-05-14 1915-05-14 Improvements in Means for Starting Electric Motors.

Country Status (1)

Country Link
GB (1) GB191507244A (en)

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