GB786485A - Improvements in and relating to permanent magnet-excited generators - Google Patents

Improvements in and relating to permanent magnet-excited generators

Info

Publication number
GB786485A
GB786485A GB1297454A GB1297454A GB786485A GB 786485 A GB786485 A GB 786485A GB 1297454 A GB1297454 A GB 1297454A GB 1297454 A GB1297454 A GB 1297454A GB 786485 A GB786485 A GB 786485A
Authority
GB
United Kingdom
Prior art keywords
permanent magnet
relating
ring
laminated
excited generators
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
GB1297454A
Inventor
Kenneth Francis Raby
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 GB1297454A priority Critical patent/GB786485A/en
Publication of GB786485A publication Critical patent/GB786485A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/021—Means for mechanical adjustment of the excitation flux
    • H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
    • H02K21/029—Vectorial combination of the fluxes generated by a plurality of field sections or of the voltages induced in a plurality of armature sections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
    • H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

786,485. Permanent magnet machines. BRITISH THOMSON-HOUSTON CO., Ltd. May 4, 1955 [May 4, 1954], No. 12974/54. Class 35. A generator has on its rotor a permanent magnet with each of its opposite pole faces abutting a support for a toothed laminated ring, and one ring can be angularly adjusted. As shown, one of the laminated polepieces 10, 11 is angularly adjustable on the end rings 6, 7 between which the annular axially magnetized magnet 4 is held, the adjustment being made during assembly or subsequently to adjust the voltage induced in the stator winding. A magnetizing coil 5 is provided for use during manufacture or for subsequent re-magnetization.
GB1297454A 1954-05-04 1954-05-04 Improvements in and relating to permanent magnet-excited generators Expired GB786485A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1297454A GB786485A (en) 1954-05-04 1954-05-04 Improvements in and relating to permanent magnet-excited generators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1297454A GB786485A (en) 1954-05-04 1954-05-04 Improvements in and relating to permanent magnet-excited generators

Publications (1)

Publication Number Publication Date
GB786485A true GB786485A (en) 1957-11-20

Family

ID=10014513

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297454A Expired GB786485A (en) 1954-05-04 1954-05-04 Improvements in and relating to permanent magnet-excited generators

Country Status (1)

Country Link
GB (1) GB786485A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2132862B1 (en) * 2007-03-23 2012-06-27 Vestas Wind Systems A/S Method for estimating the magnetization level of one or more permanent magnets established in one or more permanent magnet rotors of a wind turbine generator and wind turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2132862B1 (en) * 2007-03-23 2012-06-27 Vestas Wind Systems A/S Method for estimating the magnetization level of one or more permanent magnets established in one or more permanent magnet rotors of a wind turbine generator and wind turbine

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