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motor or generator

A technology of generators and motors, applied in electric components, electric vehicles, circuits, etc., can solve the problems of reduced reliability, increased space packaging requirements and costs, and achieve the effect of reducing the overall capacitance requirements

Active Publication Date: 2018-03-27
PROTEAN ELECTRIC LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Thus, where reduced inductance is desired, typically, a motor comprising multiple sub-motors each with a corresponding inverter will have a separate capacitor associated with each inverter, wherein the additional capacitor causes an increase in increase in space packaging requirements and cost, and possible reduction in reliability

Method used

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  • motor or generator
  • motor or generator
  • motor or generator

Examples

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Embodiment Construction

[0031] The described embodiments of the invention are directed to an electric motor with capacitor elements, wherein the electric motor is used for wheels of a vehicle. However, the electric motor can be located anywhere within the vehicle. The electric motor is of the type having a set of coils as part of a stator attached to the vehicle, and the stator is radially surrounded by a rotor carrying a set of magnets attached to the wheel. For the avoidance of doubt, aspects of the invention are equally applicable to generators having the same arrangement. Thus, the definition of electric motor is intended to include generators. Additionally, some aspects of the invention are applicable to arrangements having a rotor mounted centrally within radially surrounding coils. Those skilled in the art will appreciate that the present invention is applicable to other types of electric motors.

[0032] For the purposes of this example, if figure 2 and 3 As shown, the in-wheel motor in...

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Abstract

An electric motor or generator comprising: a stator having two coil sets configured to generate a magnetic field for generating drive torque; two control devices; and a first capacitor configured to couple to a power supply for supplying current to two control means, wherein a first control means is coupled to a first coil set and a first capacitor, and a second control means is coupled to a second coil set and a first capacitor, wherein each Each control device is configured to control the current in the corresponding coil set to generate a magnetic field in the corresponding coil set.

Description

technical field [0001] The present invention relates to electric motors or generators, in particular to motors or generators with capacitors. Background technique [0002] An electric motor system generally comprises an electric motor and a control unit arranged to control the power of the electric motor. Examples of known types of motors include induction motors, synchronous brushless permanent magnet motors, switched reluctance motors, and linear motors. Three-phase motors are the most common type of motor available in the market. [0003] Three-phase motors typically include three coil sets, where each coil set is arranged to generate a magnetic field associated with one of the three phases of an alternating voltage. [0004] In order to increase the number of magnetic poles formed in the motor, each coil group typically has a plurality of coil subgroups distributed around the periphery of the motor that are driven to generate a rotating magnetic field. [0005] By way...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K11/33H01G4/248H02K3/30H02K11/00H02K3/28H01G4/38
CPCH01G4/248H02K11/0094H02K11/33H01G4/38Y02T10/70H01G4/232H01G4/32H02K11/215H02K9/19H02K9/22H02K7/1846H02K7/14H02K5/22H02K3/28H02K3/30
Inventor G·欧文
Owner PROTEAN ELECTRIC LIMITED
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