Power Flow In Synchronous Motor
Net input to the synchronous motor is the three phase input to the stator. ... Pin = ?3 VL IL cos? W where …
Cross Field Theory
Consider a single phase induction motor with standstill rotor as shown in the Fig. 1. The stator winding is excited by the…
Relation Between P2, Pc, And Pm
The rotor input P2, rotor copper loss Pc and gross mechanical power developed Pm are related through the slip s. Let us derive this…
Compound Generator
In this type, the part of the field winding is connected in parallel with armature and part in series with the armature.…
Salient Pole Synchronous Motor
The analysis of salient pole synchronous motor is based on the Blondel’s two reaction. The direct and quadrature axis components of current…
Current Density In A Conducting Medium
Currents in metals are due to the movement of charge carriers ‘electrons’. where I is the current in Amperes and A is the cross-sectional area of…
Armature Winding In D.C. Machines
The armature winding used in d.c. machines are closed and double layer. Each of the coil has its upper coil side placed…
Introduction And Working Of Synchronous Motor
1. Introduction If a three phase supply is given to the stator of a three phase alternator, it can work as a…
Capacitor Start Induction Motors
The construction of this type of motors is similar to the resistance split phase type. The difference is that in series with…
Introduction To Coupled Circuits
The two circuits are said to be coupled circuits if all or part of the electrical energy supplied to one circuit is…