GB1300766A - Electric motor - Google Patents

Electric motor

Info

Publication number
GB1300766A
GB1300766A GB2142570A GB2142570A GB1300766A GB 1300766 A GB1300766 A GB 1300766A GB 2142570 A GB2142570 A GB 2142570A GB 2142570 A GB2142570 A GB 2142570A GB 1300766 A GB1300766 A GB 1300766A
Authority
GB
United Kingdom
Prior art keywords
stator
inverter
electric circuit
closed electric
thyristors
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
GB2142570A
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.)
Eclairage des Vehicules Sur Rail EVR SA
Original Assignee
Eclairage des Vehicules Sur Rail EVR SA
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 Eclairage des Vehicules Sur Rail EVR SA filed Critical Eclairage des Vehicules Sur Rail EVR SA
Publication of GB1300766A publication Critical patent/GB1300766A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/02—Synchronous motors
    • H02K19/10—Synchronous motors for multi-phase current
    • H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/10—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using light effect devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H02K3/20—Windings for salient poles for auxiliary purposes, e.g. damping or commutating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

1300766 Electric motors L'ECLAIRAGE DES VEHICULES SUR RAIL 4 May 1970 [9 May 1969] 21425/70 Heading H2A An electric motor comprising a stator carrying a field winding 14, Fig. 3, or 38, Fig. 5, and stator coils 37 which are energized from a D.C. source through an inverter 32 controlled in dependence on rotor position, includes a closed electric circuit surrounding a stator coil to reduce the inductance of the coil. The inverter includes thyristors 35 and the closed electric circuit, which facilitates commutation of the thyristors, may comprise a short circuit ring 21, e.g. of copper, wound round a salient stator pole 12. The stator coils are mounted in slots 18 in the pole face. Alternatively, the ends of the field winding may be connected together through a diode 22, Fig. 4 (not shown), so that the winding serves as the closed electric circuit. The motor disclosed includes an optical rotor position sensor and the inverter is preceded by a voltage reducing electronic chopper 30, a choke 31 and booster diode 34.
GB2142570A 1969-05-09 1970-05-04 Electric motor Expired GB1300766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6915087A FR2044157A5 (en) 1969-05-09 1969-05-09

Publications (1)

Publication Number Publication Date
GB1300766A true GB1300766A (en) 1972-12-20

Family

ID=9033811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2142570A Expired GB1300766A (en) 1969-05-09 1970-05-04 Electric motor

Country Status (5)

Country Link
BE (1) BE749561A (en)
DE (1) DE2022590A1 (en)
FR (1) FR2044157A5 (en)
GB (1) GB1300766A (en)
NL (1) NL7006666A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065705A (en) * 1976-03-01 1977-12-27 General Electric Company SCR controlled universal motor
US4210836A (en) * 1978-04-10 1980-07-01 Westinghouse Electric Corp. Permanent magnet generator

Also Published As

Publication number Publication date
DE2022590A1 (en) 1970-11-12
FR2044157A5 (en) 1971-02-19
NL7006666A (en) 1970-11-11
BE749561A (en) 1970-10-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee