Informatica Economic vol. 16, no. 1/2012
132
Building Database-Powered Mobile Applications
Paul POCATILU
Bucharest University of Economic Studies
[email protected]
Almost all mobile applications use persis
Electrical Machines II
8
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Speed control of Induction Machines
We have seen the speed torque characteristic of the machine. In the
Electrical Machines II
4
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Construction
In actual practice, the three coils form three windings distributed over several slots. The
Electrical Machines II
9
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Harmonics in Induction Machines
In attempting to understand the performance of an induction machine, we
Electrical Machines II
7
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Deducing the machine performance.
From the equivalent circuit, many aspects of the steady state behavior
Electrical Machines II
3
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Principles of Torque Production
In the earlier section, we saw how a rotating ux is produced. Now let us
Electrical Machines II
2
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
The Rotating Magnetic Field
The principle of operation of the induction machine is based on the generati
Electrical Machines II
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Induction Machines
1
Introduction
The induction machine was invented by NIKOLA TESLA in 1888. Right from i
Electrical Machines II
6
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Determination of Circuit Parameters
In order to nd values for the various elements of the equivalent cir
Electrical Machines II
5
Prof. Krishna Vasudevan, Prof. G. Sridhara Rao, Prof. P. Sasidhara Rao
Equivalent Circuit
It is often required to make quantitative predictions about the behavior of the induc
Electrical Machines-I
Prof. Dr Debaprasad Kastha
Department of Electrical Engineering
Indian Institute of Technology, Kharagpur
Lecture - 24
Armature Reaction
(Refer Slide Time: 00:29)
Let us see, an