GB234490A - Improvements in and relating to dynamo electric machines - Google Patents

Improvements in and relating to dynamo electric machines

Info

Publication number
GB234490A
GB234490A GB13206/25A GB1320625A GB234490A GB 234490 A GB234490 A GB 234490A GB 13206/25 A GB13206/25 A GB 13206/25A GB 1320625 A GB1320625 A GB 1320625A GB 234490 A GB234490 A GB 234490A
Authority
GB
United Kingdom
Prior art keywords
motor
phase
continuous
resistance
converter
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
GB13206/25A
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
Publication of GB234490A publication Critical patent/GB234490A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/34—Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter
    • H02K17/40—Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter with a rotary AC/DC converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

234,490. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges.). May 20, 1924, [Convention date]. Alternating-current induction machines.-In a cascade set comprising a three-phase motor V and a continuous-current motor H electrically coupled through a rotary converter U, the rotor of the induction motor is in six-phase open connection and the resistance of one phase does not exceed four times the armature resistance of the converter so that passing through synchronism is facilitated. In the example shown, the main motor and the continuous-current motor are mechanically coupled. Speed variation above and below synchronism is obtained by varying the excitation of the continuous-current motor bv means of the rheostat Rand change-over switch S. In a modification, the continuous-current motor may be coupled with a synchronous or asynchronous three-phase generator connected to the mains suppling the main motor. According to the Specification as open to inspection under Sect. 91 (3) (a), the resistance of a rotor phase of the main motor does not exceed 0.8 times in the case of a star-connection and 2.4 times in the case of a delta connection the armature resistance of the converter. This subjectmatter does not' appear in the Specification as accepted.
GB13206/25A 1924-05-20 1925-05-20 Improvements in and relating to dynamo electric machines Expired GB234490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE234490X 1924-05-20

Publications (1)

Publication Number Publication Date
GB234490A true GB234490A (en) 1926-06-10

Family

ID=5891773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13206/25A Expired GB234490A (en) 1924-05-20 1925-05-20 Improvements in and relating to dynamo electric machines

Country Status (1)

Country Link
GB (1) GB234490A (en)

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