The important characteristics of the synchronous motor is its constant speed irrespective of the load conditions, and variable power factor operation. As…

It is seen that, when synchronous motor is on no load, the stator and rotor pole axes almost coincide with each other.…

We know that, transformer is a device in which two windings are magnetically coupled and when one winding is excited by a.c.…

The Smart Grid concept combines a number of technologies, end-user solutions and addresses a number of policy and regulatory drivers. It does…

Q. What is the significance of vector grouping in Power Transformers? A. Every power transformer has a vector group listed by its…

In order to reduce the effect of armature reaction following methods are used. 1) The armature reaction causes the distortion in main…

In case of series generator, Ia = Ise =  IL As load current increases,  Ise increases. The flux ? is directly proportional to. So flux…

The characteristics depends on whether generator is cumulatively compound or differentially compound generator. In cumulatively compound, ?2r = ?2r + ?2r. As load current…

Whenever there is a need of connecting the rotating member of the machine to the stationary external circuit, then slip rings and…

Germanium semiconductor atom has ‘atomic number’ Z = 32. It has 32 positive charges in the nucleus and 32 electrons in various…