Open AccessDual Cage High Power Induction Motor with Direct Start-up. Design and FEM Analysis
Author(s) -
Leonard Livadaru,
Alecsandru Simion,
Adrian Munteanu,
M. Cojan,
Ovidiu Dabija
Publication year - 2013
Publication title -
advances in electrical and computer engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.254
H-Index - 23
eISSN - 1844-7600
pISSN - 1582-7445
DOI - 10.4316/aece.2013.02009
Subject(s) - induction motor , finite element method , cage , power (physics) , dual (grammatical number) , automotive engineering , power analysis , control theory (sociology) , computer science , engineering , electrical engineering , structural engineering , physics , artificial intelligence , voltage , art , literature , control (management) , quantum mechanics
This paper presents an investigation on the design of high-power induction motor with special constraints. Direct online start-up and pull-up torque of rather high value represent two of the imposed requirements. Three different structures are analyzed, which involve deep bars, magnetic wedges and double cage respectively. The proposed solution advances a new rotor structure with two different rotor cages. The first cage acts mainly during start-up and is made of iron with both electric and magnetic properties. The second one is made of copper and represents the main rotor winding. It has a particular cross-section of the bars in order to carry into effect the required constraints both during start-up and steady-state. The proposed models are finally evaluated by means of finite element method analysis