Generation Of Induced Emf And Current

Figure 9 shows an insulated coil whose terminals are connected to a sensitive galvanometer (G). There is a bar magnet, AB,…

6 years ago

Power Flow In Synchronous Motor

Net input to the synchronous motor is the three phase input to the stator. ...                      Pin = ?3 VL IL cos?…

6 years ago

Cross Field Theory

Consider a single phase induction motor with standstill rotor as shown in the Fig. 1. The stator winding is excited…

6 years ago

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…

6 years ago

Compound Generator

In this type, the part of the field winding is connected in parallel with armature and part in series with…

6 years ago

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…

6 years ago

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…

6 years ago

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…

6 years ago

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…

6 years ago

Capacitor Start Induction Motors

The construction of this type of motors is similar to the resistance split phase type. The difference is that in…

6 years ago