Fixation of buried and surface mounted magnets in high-speed permanent magnet synchronous motors

Binder, A.; Schneider, Tobias; Klohr, Markus

doi:10.1109/ias.2005.1518863

Cited by 36 publications

(13 citation statements)

References 2 publications

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“…This is a mechanical stress limit for the with carbon fibre bandage usually fixed surface mounted magnets. Buried magnets in rotor iron sheet do not allow to operate at that high speed, as the stress limit of steel sheets is lower than for carbon fibre [10]. As power increases with cube of speed, no field weakening is necessary, so no problems exist in case of inverter failure with voltage overshoot at high speed.…”

Section: Stator Core A) B)mentioning

confidence: 98%

“…Design rules for PM low speed gearless wind generators Wind turbines need due to low operational speed of the turbine itself (typically 10 ... 20/min at rated power of 1.5 ... 5 MW) a low speed gearless generator, or a geared generator solution at elevated speed, typically 1000/min to 1500/min. Especially for future off-shore applications the geared doubly fed slip ring induction generators will need maintenance due to brush service and due to gear maintenance.…”

Section: Wind Mill Power Plantsmentioning

confidence: 99%

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Permanent magnet synchronous generators for regenerative energy conversion - a survey

Binder

Schneider

2005

2005 European Conference on Power Electronics and Applications

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A survey on recently installed or developed permanent magnet (PM) synchronous generators for energy conversion in regenerative and alternative power supply systems is given. Its focus is for low speed machines on geared and gearless PM generator systems for wind power plants and small PM hydro generators in gearless coupling. For distributed co-generation of heat and electrical power by micro gas turbines specially designed PM generators for high speed are necessary. Design example for both low speed wind and hydro generators and high speed generators are given along with application examples.

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Section: Stator Core A) B)mentioning

confidence: 98%

Section: Wind Mill Power Plantsmentioning

confidence: 99%

Permanent magnet synchronous generators for regenerative energy conversion - a survey

Binder

Schneider

2005

2005 European Conference on Power Electronics and Applications

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“…Noise can also be significantly reduced as there is no need for an additional transmission system. While high-speed machines achieve high power from their high rotational speed and small torque, small and compact motors allow for new integrated system construction [1].…”

Section: Introductionmentioning

confidence: 99%

Design and Verification of 150-krpm PMSM Based on Experiment Results of Prototype

Lim

Chai

Yang

et al. 2015

IEEE Trans. Ind. Electron.

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This paper proposes the design process of a 2.62kW-150krpm high-speed surface-mounted permanent magnet synchronous motor (SPMSM). To meet the required specifications, the numbers of poles and slots were determined by considering the maximum speed and the rotary stability affected by the vibration of the rotor. In addition, the paper describes not only the appropriate material selection method but the appropriate geometry design method based on analytic approaches. Furthermore, to precisely evaluate the bearing and windage losses at a high speed, a method that combines the finiteelement method (FEM) and the experiment results of the prototype was used. As a result, an improved motor was designed, which had higher maximum power and speed than the prototype, and a lower mass moment of inertia. Finally, tests were conducted to verify the validity of the proposed design process and the effectiveness of the motor.Index Terms -Copper loss, eddy current loss, high-speed machine, iron loss, mechanical loss, surface-mounted permanent magnet synchronous motor, vibration T

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“…A method which estimates the stresses due to the centrifugal forces that act on the retaining Carbon Fiber (CF) sleeve is adopted [6]. In the model, a ring equivalent to the mass of both CF sleeves and the magnet is represented and the stress acting on the sleeve based on the total mass is estimated.…”

Section: B Structural Modelmentioning

confidence: 99%

“…Applied pre-stress for CF retention is not conceded within the model. A detailed model can be found in [6].…”

Section: B Structural Modelmentioning

confidence: 99%

Short term duty electrical machines

Arumugam¹,

Gerada

2016

2016 XXII International Conference on Electrical Machines (ICEM)

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Fixation of buried and surface mounted magnets in high-speed permanent magnet synchronous motors

Cited by 36 publications

References 2 publications

Permanent magnet synchronous generators for regenerative energy conversion - a survey

Permanent magnet synchronous generators for regenerative energy conversion - a survey

Design and Verification of 150-krpm PMSM Based on Experiment Results of Prototype

Short term duty electrical machines

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