Induction (asynchronous) machine - PowerPoint PPT Presentation

1 / 30
About This Presentation
Title:

Induction (asynchronous) machine

Description:

Title: Prezentacja programu PowerPoint Author: Witold Kubiak Last modified by: wikubiak Created Date: 4/19/2004 10:58:58 AM Document presentation format – PowerPoint PPT presentation

Number of Views:464
Avg rating:3.0/5.0
Slides: 31
Provided by: Witold1
Category:

less

Transcript and Presenter's Notes

Title: Induction (asynchronous) machine


1
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
2
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Rotor (armature) types
3
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Three phase magnetic field excitation

4
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Rotating magnetic field
5
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Ferro-magnetic core cross-section
(lamination)
6
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Stator (field) winding
7
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Three phase magnetic field excitation

8
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Synchronous speed Rotor speed Slip
9
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Equivalent circuit
10
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Electromagnetic torque
11
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Electromagnetic torque
12
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Basic characteristics
13
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Simplified equations Electromagnetic torque
Breakdown (maximal) torque
Breakdown slip
14
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Simplified equations Electromagnetic torque,
Kloss equation therefore starting
torque Overload coefficient
15
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Load torque versus electromagnetic torque

16
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Start-up
current
speed
17
Induction slip ring machine
Institute of Mechatronics and Information Systems
Modification of output characteristics

18
Induction slip ring machine
Institute of Mechatronics and Information Systems
Modification of output characteristics

19
Induction slip ring machine
Institute of Mechatronics and Information Systems
Modification of output characteristics

brake
motor
generator
20
Induction squirrel cage machine
Institute of Mechatronics and Information Systems

21
Induction squirrel cage machine
Institute of Mechatronics and Information Systems

22
Induction squirrel cage machine
Institute of Mechatronics and Information Systems
Modification of output characteristics Dahlander
winding setup
23
Induction squirrel cage machine
Institute of Mechatronics and Information Systems
Modification of output characteristics
Frequency and voltage converter
inverter
DC link
rectifier
24
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Simplified equations Electromagnetic torque
Breakdown (maximal) torque
Breakdown slip
25
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Modification of output characteristics
Electromagnetic dependencies Breakdown
(maximal) torque Breakdown slip
26
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Modification of output characteristics Varying
frequency and voltage constant Bm

27
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Modification of output characteristics Varying
frequency and constant voltage
28
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Modification of output characteristics Control
limitations
29
Induction (asynchronous) machine
Institute of Mechatronics and Information Systems
Losses and efficiency (Sankey diagram)

30
Institute of Mechatronics and Information Systems
Thank You for Your attention
Write a Comment
User Comments (0)
About PowerShow.com