Current Transformer(CT)
The job is done by the current transformer(CT) and voltage transformer is to measurements and relaying decisions are derived from …
Voltage Transformer (VT)
Voltage transformer (VT) measures the voltage at the bus of relaying applications like distance relays, directional overcurrent relays. The principle …
Types of Fuses
There are various types of fuses are available in the market today. In terms of quantity, fuses more than any …
Fuse And Its Characteristics
A fuse can be defined as a device that opens a circuit with a fusible part, which is heated and …
Parallel Operation of Two Synchronous Generators
Lets us assume there is a Parallel Operation of Two Synchronous Generators then they have an inherent tendency to remain …
Why field winding on the rotor in the synchronous machine?
There are many advantages of providing the field winding on the rotor in the synchronous machine and armature winding on …
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Synchronous Machine Armature Windings
Armature windings is the most important part to produce a flux in the machine , we can say that it …
Synchronous Generator
Synchronous generator is an electrical machine that produces constant frequency alternating emf (electromotive force or voltage). In our nation, the …
Open-Circuit And Short-Circuit Tests Of Synchronous Machines
The unsaturated synchronous impedance and value of the saturated synchronous impedance can be obtained from the open-circuit and short-circuit tests. …
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Construction Of D.C. Machine
The constructional features of d.c. machines, it has been stated that field winding is a concentrated winding on salient poles …