Posted inDesign of electrical machines
Short circuit ratio
It is defined as the ratio of field current required to produce rated voltage on…
Posted inDesign of electrical machines
Choice of Specific loadings:
 From the output equation it is seen that choice of higher value of specific magnetic…
Posted inDesign of electrical machines
SYNCHRONOUS MACHINES
 Synchronous machines are AC machines that have a field circuit supplied by an external DC…
Posted inDesign of electrical machines
Performance Evaluation:
 Based on the design data of the stator and rotor of an induction motor, performance…
Posted inDesign of electrical machines
Design of Rotor:
 There are two types of rotor construction. One is the squirrel cage rotor and the…
Posted inDesign of electrical machines
Design of Stator
 Stator of an induction motor consists of stator core and stator slots. Stator slots: in general…
Posted inDesign of electrical machines
Output equation of Induction motor
 output equation is the mathematical expression which gives the relation between the various physical and…
Posted inDesign of electrical machines
INDUCTION MOTORS
 Induction motors are the ac motors which are employed as the prime movers in most…
Posted inDesign of electrical machines
Core design – Design of Transformers
Net iron area of the leg or limb or core Ai. For a given area Ai,…
Posted inDesign of electrical machines
Volt / turn equation – Design of Transformers
The term φm is called the magnetic loading and I1T1 is called the electric loading.…