Optimal split ratio for high speed induction machines

2010 ◽  
Author(s):  
David Gerada ◽  
Abdeslam Mebarki ◽  
Neil L. Brown ◽  
Chris Gerada
Keyword(s):  
High Speed ◽  
Induction Machines ◽  
Split Ratio

Rapid Computation of Harmonic Eddy-Current Losses in High-Speed Solid-Rotor Induction Machines

2013 ◽  
Vol 28 (3) ◽  
pp. 782-790 ◽  
Author(s):  
Ville Raisanen ◽  
Saku Suuriniemi ◽  
Stefan Kurz ◽  
Lauri Kettunen
Keyword(s):  
Eddy Current ◽  
High Speed ◽  
Induction Machines ◽  
Eddy Current Losses

scholarly journals Investigation of Optimal Split Ratio for High-Speed Permanent-Magnet Brushless Machines

2018 ◽  
Vol 54 (11) ◽  
pp. 1-5 ◽  
Author(s):  
Y. Wang ◽  
J. H. Feng ◽  
S. Y. Guo ◽  
Y. F. Li ◽  
Z. C. Chen ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
High Speed ◽  
Split Ratio

scholarly journals Performance Entitlement by Using Novel High Strength Electrical Steels and Copper Alloys for High-Speed Laminated Rotor Induction Machines

Electronics ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 210
Author(s):  
Fengyu Zhang ◽  
David Gerada ◽  
Zeyuan Xu ◽  
Yuling He ◽  
He Zhang ◽  
...  
Keyword(s):  
Rare Earth ◽  
High Speed ◽  
Copper Alloys ◽  
Induction Machine ◽  
High Strength ◽  
Induction Machines ◽  
Electrical Steels ◽  
Application Range ◽  
Recent Developments ◽  
Free Induction

The laminated rotor Induction Machine (IM), with its simple construction and manufacturing, robustness, ease of control and comparatively lower cost remains by far the most utilized electromechanical energy converter. At very high speeds, traditionally its use is considered to be limited to the previously established operational limits of 2.5 × 105 rpm√kW, beyond which the surface Permanent Magnet (PM) Machine and the solid rotor Induction Machine become the machines available for consideration. The aforesaid limits are derived from the use of classic materials. This paper reviews the recent developments in electrical steels and copper alloys and translates these into the resulting performance entitlement and operational limits through a case study involving a marine application, for which an existing rare-earth PM machine is in use. It is concluded that with novel materials, laminated rotor induction machines can be operated up to 6 × 105 rpm√kW, thus opening the use of the rare-earth free Induction Machine for a wider application range previously limited to PM machines.

Design of High-Speed, Low-Inertia Induction Machines With Drag-Cup Rotor

2014 ◽  
Vol 29 (1) ◽  
pp. 169-177 ◽  
Author(s):  
Mladen V. Terzic ◽  
Dragan S. Mihic ◽  
Slobodan N. Vukosavic
Keyword(s):  
High Speed ◽  
Induction Machines
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