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…
Electrical IQ
The Valve Regulated Lead Acid (VRLA) Battery is a type of rechargeable lead-acid battery. It is a fully maintenance-free and complete sealed battery. They are also…
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…
Auto recloser function is used for transmission line protection system to avoid tripping during transient fault of the line. The function is available in the…
STUB Protection is simple overcurrent protection it is used to protect the power system transmission line when the line isolator is in open condition. STUB…