The Corona Effect is the phenomenon of electric discharge in high voltage transmission lines and substations. Hissing noise and violet glow were observed under the…
ELECTRICAL IQ
Cable lugs are used for termination or connection of cables to the Terminal Box (TB). There are so many types of cable lugs are available…
DC or Direct Current is electrical current which flows always in one direction. As we know, when electron flows from one place to another place,…
REF relay stands for Restricted Earth Fault Protection. It is an earth fault protection, and it will cover the protection for a particular area or…
A VRLA battery, which stands for Valve-Regulated Lead-Acid battery, is a type of sealed lead-acid battery that incorporates a specific amount of electrolyte, either absorbed…
As the name describes, carrier aided protection operates when the power line carrier is received in the relay and after checking the other fault condition…
RTCC stands for Remote Tap Changer Control. It is used to control the transformer output voltage by controlling the OLTC unit of the transformer. As…
LBB stands for Local Breaker backup, and it is used as backup protection of the circuit breaker to isolate the fault in case the circuit…
TNC switch stands for Trip Neutral Close switch. As its name, it is a three-position switch. TNC switch uses to control the Circuit Breaker of…
SOTF protection stands for Switch On To Fault. If any fault is persisting in the transmission line during energization of Circuit Breaker or fault happens…