Tag: interview questions
Arc Horn are used in High Voltage Transmission Line Why?
Why Arcing Horns are used in Insulator:
Arcing horns are used to protect the transmission conductors, insulators, transformers bushings and other transmission equipments from lightning...
Ferrite Core On Cable | Why Ferrite Core | Working Principle
What is The Purpose of ferrite core in Cables:?
Ferrite cores are used to filter high frequency noise signal from the data signal or we...
Ferranti Effect Explanation | How to Reduce Ferranti effect
Ferranti Effect:
In long Transmission Line or cable, the receiving end voltage is greater than the sending end voltage during light load or no-load operation....
Isolation Transformer | Purpose Of Isolation Transformer
Isolation Transformer:
Isolation transformers are used to transfer electrical power from a source of alternating current power to a device, where the powered device is...
Difference Between Shunt Reactor and Series Reactor
Difference between Shunt Reactor and series reactor:
Shunt reactor:
Shunt Reactor is connected across the Transmission line or tertiary winding of a three-winding transformer.
A...
What is Skin Effect | Reduce Skin Effect in Transmission Lines
What is Skin Effect:
The tendency of the alternating current to concentrate near the surface of a conductor is called skin effect. The direct current...
Why Wind Turbine Has Only Three Blades Not More or Less
Why Wind Turbine Has Three Blades?
Wind Turbines are used to convert the wind kinetic energy into electrical energy. Normally Wind turbine start rotating very...
What is Cogging of Induction Motor Definition and Explanation
What is Cogging of Induction Motor Definition and Explanation:
Consider a Speed Torque characteristics of the induction motor. Let us consider Tm is motor torque...
Why Capacitor Has Leading Power Factor
Why Capacitor Has Leading Power Factor:
Before saying leading or lagging we should follow the conditions
Both the wave should be sinusoidal
Both signal should...
Why Stones are used in Transformer Yard & Switchyard?
Why Stones is used in Electrical Switchyard & Transformer Yard:
Reasons for using Stones is used in Electrical Switchyard & Transformer Yard:
Stones in the...
What is Creepage and Clearance Distance of Insulator?
What is Creepage and Clearance Distance of Insulator?
In high voltage
transmission line, the leakage current is caused by atmospheric condition such as dirt, pollution,...
