GB193458A - An improved arrangement for driving paper making machines and other machines - Google Patents

An improved arrangement for driving paper making machines and other machines

Info

Publication number
GB193458A
GB193458A GB2845921A GB2845921A GB193458A GB 193458 A GB193458 A GB 193458A GB 2845921 A GB2845921 A GB 2845921A GB 2845921 A GB2845921 A GB 2845921A GB 193458 A GB193458 A GB 193458A
Authority
GB
United Kingdom
Prior art keywords
motors
current
machines
brushes
auxiliary
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
GB2845921A
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
Priority to GB2845921A priority Critical patent/GB193458A/en
Publication of GB193458A publication Critical patent/GB193458A/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
    • H02P5/50—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 by comparing electrical values representing the speeds

Landscapes

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

Abstract

193,458. English Electric Co., Ltd., (Crowley, J. F.). Oct. 26,1921. Speed maintaining systems.-Two or more electric motors driving different parts of papermaking or other machinery are kept running at equal or proportionate speeds by tapping off alternating current from a set of auxiliary brushes 7 on each of the motors 2, feeding the tappet off current into a common circuit 8, and inserting watt-meter relays 37 which automatically control resistances 32 in the. motor-fields 3 in order to limit the circulation of power in the current 8. Each set of auxiliary brushes is driven by the corresponding motor shaft through change-speed devices such as cone-pulleys, the setting of which changes the frequency of the tappet-off current, in order that the speed ratio may be varied. The brushes preferably wipe over auxiliary commutators. One or more motors of the set may be provided with frequency charging devices, the remaining motors being without them.
GB2845921A 1921-10-26 1921-10-26 An improved arrangement for driving paper making machines and other machines Expired GB193458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2845921A GB193458A (en) 1921-10-26 1921-10-26 An improved arrangement for driving paper making machines and other machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2845921A GB193458A (en) 1921-10-26 1921-10-26 An improved arrangement for driving paper making machines and other machines

Publications (1)

Publication Number Publication Date
GB193458A true GB193458A (en) 1923-02-26

Family

ID=10275953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2845921A Expired GB193458A (en) 1921-10-26 1921-10-26 An improved arrangement for driving paper making machines and other machines

Country Status (1)

Country Link
GB (1) GB193458A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440176A (en) * 1939-12-21 1948-04-20 Rca Corp Motor drive system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440176A (en) * 1939-12-21 1948-04-20 Rca Corp Motor drive system

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