GB233051A - Improvements in and relating to systems of electric ship propulsion - Google Patents

Improvements in and relating to systems of electric ship propulsion

Info

Publication number
GB233051A
GB233051A GB2780/24A GB278024A GB233051A GB 233051 A GB233051 A GB 233051A GB 2780/24 A GB2780/24 A GB 2780/24A GB 278024 A GB278024 A GB 278024A GB 233051 A GB233051 A GB 233051A
Authority
GB
United Kingdom
Prior art keywords
motors
propellers
coupled
induction
propeller
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
GB2780/24A
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
Priority to GB2780/24A priority Critical patent/GB233051A/en
Publication of GB233051A publication Critical patent/GB233051A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

233,051. British Thomson-Houston Co., Ltd., and Jewitt, D. E. Feb. 2, 1924. Driving-arrangements for screw propellers.- Electric propulsion apparatus for twin screw ships comprises a polyphase alternator which supplies power to two induction motors coupled one to each propeller shaft, and each induction motor is connected in cascade with a direct current excited synchronous motor coupled to the propeller shaft associated with the other induction motor, whereby the propeller speeds are automatically regulated to give an equal division of power between the two propellers. The threephase alternator 1 is excited from a direct current supply 2 and gives power to two three-phase induction motors 3, 4 driving propeller shafts 5, 6 either directly or through reduction gearing. Two three-phase synchronous motors 7, 8 are also coupled to the shafts 5, 6, and a cascade connection between the primary motors 3, 4 and secondary motors 8, 7 respectively is made as indicated. The secondary motors may be cut out when independent control of the propellers is required.
GB2780/24A 1924-02-02 1924-02-02 Improvements in and relating to systems of electric ship propulsion Expired GB233051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2780/24A GB233051A (en) 1924-02-02 1924-02-02 Improvements in and relating to systems of electric ship propulsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2780/24A GB233051A (en) 1924-02-02 1924-02-02 Improvements in and relating to systems of electric ship propulsion

Publications (1)

Publication Number Publication Date
GB233051A true GB233051A (en) 1925-05-04

Family

ID=9745748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2780/24A Expired GB233051A (en) 1924-02-02 1924-02-02 Improvements in and relating to systems of electric ship propulsion

Country Status (1)

Country Link
GB (1) GB233051A (en)

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