Tag: Transmission
Auto Reclosing Scheme In Transmission System
Auto Reclosing Scheme of Transmission System:
Auto Reclosing Systems are series connected network and which is used to reduce the operating Cost and improves the...
Why tester does not work on DC
Why tester does not work on DC:
Tester is a device which is used to check the conductor weather it is in live or not...
Types of Transmission Lines in Power System
Types of Transmission Lines in Power System:
Transmission line are nothing but a long conductors laid either over head or underground to carry bulk power...
Insulator | Types Of Insulators are Used In AC Transmission System
Insulators:
Insulators are the elements which provide the insulation between the two different voltages levels. i.e insulation between the line conductors and other metallic structure....
Top 3 Types Of HVDC Transmission System
Classification of HVDC system:
The high voltage direct current transmission can be classified into three different types such as monopolar link, bipolar link and homopolar...
Bus Scheme | Types of Bus Scheme Are Used In Power System
Bus scheme:
The circuit for high and medium voltage switch gear installations are governed by operational consideration weather single or multiple bus bars are necessary...
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...
Vector Surge Relay Working Principle | Main Decoupling Relay | MRN Relay
Vector Surge Relay Working Principle:
Vector surge relay is used to protect the transformer/generator/alternator from grid disturbance such as grid failure, grid interruption, vector surge...
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...
What is Proximity Effect | Reduce Proximity Effect
Proximity Effect:
Before taking this effect we should remember one is electromagnetic induction. i.e all electrical AC motors are running under this principle. The current...
Corona Definition | Avoid Corona | Purpose of Corona Ring | Advantage
Corona:
When the potential difference increase in the transmission conductor according to that the potential gradient also increases. When the potential gradient increase above 30kV/cm,...
What is Potential Gradient in Electrical, Use of Potential Gradient Calculation
What is Potential Gradient:
Potential gradient is nothing but the rate of change of electric potential with respect to displacement. It is also called as...
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,...
Difference between Surge Arrester, Lightning Arrester and Lightning Rod
Difference between Surge Arrester, Lightning Arrester and Lightning Rod:
Surge arrester is used to protect the circuit or electrical equipment from high voltage transient or...
Electrical Substation (SS)
Electrical substation:
Substation is a place or station which is used to transmit & distribute the power. It is a middle part of the electrical...
One and Half Bus System & One And Half Circuit Breaker Scheme
One and half Bus System:
In Switchyard two most Bus bar schemes are very popular one is One and Half Breaker Bus System (3/2 bus)...
Electrical MCQs Gate Preparation Power Generation
Power systems MCQs Gate Preparation Power Transmission Generation-4
76.If the excitation of the synchronous generator fails, it acts as a
a) synchronous motor
b) synchronous generator
c)induction motor
d)induction...