GB213980A - Improvements in and relating to speed controlling mechanism for paper making or the like machines - Google Patents

Improvements in and relating to speed controlling mechanism for paper making or the like machines

Info

Publication number
GB213980A
GB213980A GB89123A GB89123A GB213980A GB 213980 A GB213980 A GB 213980A GB 89123 A GB89123 A GB 89123A GB 89123 A GB89123 A GB 89123A GB 213980 A GB213980 A GB 213980A
Authority
GB
United Kingdom
Prior art keywords
speed
current
altered
feeding
motors
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
GB89123A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB89123A priority Critical patent/GB213980A/en
Publication of GB213980A publication Critical patent/GB213980A/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
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

213,980. British Thomson-Houston Co., Ltd., (General Electric Co.). Jan. 10, 1923. Speed maintaining systems.-A number of alternating-current motors 3 driving separate elements 1, 2 of paper-making or like machinery are maintained in a predetermined speed-relation by feeding the stators with, say, three-phase current from common mains 6, 7, 8, and also feeding the rotors with three-phase currents of adjustable frequency, which va:ries for each machine as its speed varies. Each motor may, as shown, drive through friction discs 22, 23 a revolving commutator 26 having its segments joined to resistances and receiving direct current from mains 13, 14. Three brushes 25 tapping off three-phase current are connected to slip-rings 15 belonging to the stator of the corresponding motor. The speed ratio of the motors is altered by sliding the friction discs, and the speed of the whole set is altered by varying the speed of the alternator 9 which feeds the bus-bars 6. 7, 8.
GB89123A 1923-01-10 1923-01-10 Improvements in and relating to speed controlling mechanism for paper making or the like machines Expired GB213980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB89123A GB213980A (en) 1923-01-10 1923-01-10 Improvements in and relating to speed controlling mechanism for paper making or the like machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB89123A GB213980A (en) 1923-01-10 1923-01-10 Improvements in and relating to speed controlling mechanism for paper making or the like machines

Publications (1)

Publication Number Publication Date
GB213980A true GB213980A (en) 1924-04-10

Family

ID=9712296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB89123A Expired GB213980A (en) 1923-01-10 1923-01-10 Improvements in and relating to speed controlling mechanism for paper making or the like machines

Country Status (1)

Country Link
GB (1) GB213980A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102778600A (en) * 2011-05-06 2012-11-14 罗伯特·博世有限公司 Method and device for calibrating current measurement in a driving system with a plurality of driving motors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102778600A (en) * 2011-05-06 2012-11-14 罗伯特·博世有限公司 Method and device for calibrating current measurement in a driving system with a plurality of driving motors

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