Modeling of Induction motor using Ansys Motor Cad

NATIONAL INSTITUTE OF TECHNOLOGY, WARANGAL
Department of Electrical Engineering
Project Mid Review
Part – A
Supervisor:
Dr. Srinivasan Pradabane
Assistant Professor,
EED, NITW.
Presented by:-
V.Prasanna-202269
Shanmukh Sai-202250
Section-B

TABLE CONTENTS
Literature Survey
Motivation and Gap Identified
 Project title
Objectives
Approach and Methodologies
Software/Hardware Requirement
Next Step/ Strategies For Implementation
List of References

LITERATURE SURVEY
Authors Title Year of
Publication
Atiqah
Farhana
Khazin,S.Raje
ndran,M.K.
Ahamed
Khan,Gobbi.
R, K. Anayet
Design of Three Phase Induction
Motor Based on Efficiency
Improvement Using Amorphous Iron
Material.
2008,IEEE
[1]
Features:-
• Research is going on to improve the efficiency of machine. One of the
methods to increase the efficiency by using Amorphous Iron .
• Amorphous iron offers lower iron losses.
• The saturation flux density of the amorphous iron is lower than that of the
silicon steel.

COMPARISON BETWEEN SILICON IRON ORE
AND AMORPHOUS IRON.

B-H CURVES FOR SILICON CORE IRON AND
AMORPHOUS IRON

IRON LOSSES OF SILICON IRON AND AMORPHOUS
IRON AT 50HZ FREQUENCY AND B=1T.

FLUX DENSITY OF INDUCTION MOTOR USING
AMORPHOUS IRON

LITERATURE SURVEY
Publication
Olga V.
Tikhonova1 ,
Anatoliy T.
Electromagnetic Calculation of Induction
Motor by “ANSYS Maxwell”
2018 IEEE
[2]
Features :
• Calculating the parameters of an electrical machine using Ansys
Maxwell.
• Electromagnetic calculation, which determines the main
parameters, for example, currents, voltages, magnetic flux values in
the air gap.
• Comparison of simulated and real motors to see the performance
accuracy

Plane for determination of magnetic flux and induction air gap

LITERATURE SURVEY
Publication
Yushaizad
Yusof and
Kamarulzaman
Mat
Modeling, Simulation and Analysis of
Induction Motor for Electric Vehicle
Application.
2018
ResearchGate
[3]
• We are designing ev for emission free, providing clean surroundings and
sustainable transportation.
• Ev consists of one or more motor powered by a battery packet to propel the
vehicle.
• Rechargeable battery is available in ev.

• The IM model was designed with three-phase stator voltages and
load torque as the inputs, whereby six parameters have been chosen
as the outputs.

LITERATURE SURVEY
Publication
Ashok Kumar
L, Bandla
Pavan Babu ,
Indragandhi
Comparative Analysis of Different Losses
in an Induction Motor using ANSYS
2021 IEEE
[4]
Features :
• Analyse losses in order to enhance the efficiency .
• Stray Load Losses (SLLs) account for a significant portion of total
losses.
• Analyzes a link between these losses and the zig-zag flux.
• It shows that by increasing the rotor and stator height the losses
increase.

LITERATURE SURVEY
• Thermal analysis is estimation of heat distribution inside the motor in
Ansys Motor-cad.
• It is done using Thermal Network Method (TNM).
• Thermal Models are used to determine temperature for different
parts of motor.
[5]

Radial view of the test motor temperature distribution by Motor-CAD

Axial view of the test motor temperature distribution by Motor-CAD

LITERATURE SURVEY
Authors Title
Year of
Publication
T.M.
Masuku, R-J.
Wang*, M.C.
Botha and S.
Gerber
Design Strategy of Traction Induction
Motors
2019, IEEE
Features :
• A strategy opted for designing induction motors for
traction applications
• A design procedure, followed for motor design into different parts and
phases.
DESIGN PROCEDURE:
1. Selection of number of slots:
• To avoid cogging and crawling Qs ≠ Qr & (Qs-Qr ) ≠ ±3p
• To avoid noise (Qs-Qr ) ≠ ±1, ±2, (±p±1), (±p±2).
• Qs is stator slot no, Qr is rotor slot no, p is no of pole pairs.
[6]

2. Design steps:
• A high level flow diagram for the complete design procedure.

Literature Survey
Authors Title Year of Publication
Cenk
Ulu TÜBİTAK
MRC ,Oğuz
Korman, Güven
Kömürgö
Electromagnetic
and Thermal Analysis/Design of
an Induction Motor for Electric Vehicles
2017, IEEE
Features :
• The design of 115kW (continuous 85kW) squirrel cage induction motor for
electric vehicle applications is opted.
• Electrical, magnetic and thermal analyses are done.
• Maxwell for Magnetic Analysis and ANSYS software program for Thermal
Analysis are used to design electric motor for electric vehicle.
[7]

1. Electrical and Magnetic Analysis:
• Electrical and magnetic analyses of the designed motor are performed on
Maxwell software.
• The flux density and flux lines distribution are shown in below figures:-

Modeling of Induction motor using Ansys Motor Cad

2. Thermal Analysis:
• High temperature warns the designer:
A) To decrease the losses.
B) Change the effective cooling type.
C) Adjust the fins and frame, propose a new cooling type or
optimize the motor.
Temperature distribution of the motor is shown in figure below

[8]
• Induction motor is mainly adopted because of its robustness,
versatility and cost effectiveness .
• This paper propose a high performance Copper Rotor Induction
Motor (CR-IM).
• The combination of high-speed Liquid-Cooled Copper Rotor and a
stator with hairpin winding are suitable for EV applications.
Literature Survey

•The hairpin implementation features 4 conductor slots, stator prototype is
shown in fig:-
• The transposition of coil segments by forming each path by series
connected coils placed in alternative slot layers to minimize AC copper
losses

Water Jacket and Shaft Spiral Groove (WJSG):
An housing Water Jacket (WJ) and shaft Spiral Groove (SG)
CSs are coupled in parallel, using Ethylene Water Glycole
(EWG) mixture as a coolant

PROJECT TITLE :
Modelling of three phase induction
motor for Electrical Vehicle applications

MOTIVATION AND GAP IDENTIFIED:
 Enhancing the efficiency of electric motors which is very
crucial for reducing the energy consumption by EVs.
 Increasing the power density of electric motors allows for
smaller, lighter motors with the same or higher power
output crucial for improving the performance of EVs
without increasing the weight.
 Efficient thermal management and cooling management.
 Developing new materials which are light weight.

OBJECTIVES :
 Electric vehicles applications
 To reduce the size of the motor
 To increase the efficiency
 They have a high torque density which means they
can generate a lot of torque even at low speeds.
 Harmonic torque calculations , derating analysis.
 We will use the induction motor modelling for loss
calculations.

BASIC APPROACH AND METHODOLOGY
 We will be developing a Simulink model using
Ansys software and then compare it with real
motors data parameters.
 We will perform thermal and electromagnetic
analysis of the motor.
 Fine –tune the model and parameters as needed to
improve the accuracy.

SOFTWARE REQUIRED
 Ansys Software and Matlab
Next steps /Strategies for
Implementation :
o We will be developing a PMSM motor for Electric vehicle
application.
o We will analyse the thermal and electromagnetic
parameters as well as higher power to weight ratio of this
motor.
o We will try to reduce the size of the motor by maintaining
and increasing the efficiency of the motor.

REFERENCES
 https://ieeexplore.ieee.org/document/8317216
 The Indonesian Journal of Electrical Engineering and Computer
Science (IJEECS)
 N. Bianchi , L. Alberti.( June 1,2006) “Finite Element Analysis of the
Induction Motor”. Department of Electrical Engineering, University of
Padova.
 Krishnan, R. Electric motor drives modeling, analysis, and control.
Prentice-Hall Inc., (2001).
 R. G. Harley and Y. Duan, "Traditional design of cage rotor induction
motors," Grainger CEME, Seminars, 2009.
 I. Boldea and S. A. Nasar, The Induction Machines Design Handbook,
Taylor & Francis Group, 2010

Modeling of Induction motor using Ansys Motor Cad

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