Thermal Analysis of High Speed Induction Motor by Using Lumped-Circuit Parameters

Abstract

-This paper deals with the electromagnetic and thermal analysis of high speed induction motor. The induction motor is analyzed by time-varying magnetic finite element method and its thermal analysis is carried out by using analytical lumped-circuit method. Analysis results are compared with the experiment of 29kW high speed motor prototype at 12,000rpm.

3D nodal method architectures for transient thermal modelling of an induction motor taking into account the variation of stator and rotor pole numbers

“…The geometry details of the tested machine, such as insulation characteristics, winding parameters, slot type, cooling channel geometry etc., were not specified in the article [3]. So the geometry details for this machine were figured out basing on the design methodology from [4].…”

“…So the geometry details for this machine were figured out basing on the design methodology from [4]. As the machine from [3] represents a totally enclosed machine all the missed loss values and heat transfer coefficients inside the machine were estimated basing on [5], [6], and [7].…”

“…However, the three architectures are compared to the results issued from the literature. The work of Pil-Wan Hab et al [3] from the Korean Institute of Electrical Engineers has been chosen as the reference. The authors consider a 29kW, 12000rpm high speed asynchronous motor including water cooling jacket.…”

“…The design characteristics and loss values in steady state given in the article [3] are presented in the Table 1 and in the Table 2…”

Diffusive representation modelling thermal and overvoltage for permanent magnet synchronous motor fed by voltage inverter

“…Thermal modeling of electrical machines has been the subject of many studies, such as the nodal thermal model developed in . Currently, research in thermal analysis using lumped parameter models [24][25][26][27][28] are focused on developing models that utilize different parameters of electrical motors.This technique supports studying the impacts of different parameters or thermal mode accuracy. Fluid flowing characteristics, including coolant and air gap [29][30], are studied.…”