Stator Earth Fault Protection-Generator:
Why Stator Earth Fault Protection is required for a Generator? Nowadays, the capacity of generators increases by more than 500 MW. The protection of the generator is crucial to reduce… Read more »
Category: Protection
Auto Changeover Scheme:
Auto Changeover Scheme Introduction: In this post the Auto Changeover Scheme for two incomers and one Bus-coupler system is explained. In Industries for distribution of electrical power with reliable supply… Read more »
High Impedance Restricted Earth Fault Protection: [64H]
In this post, we are going to see, how the High Impedance Restricted Earth fault protection scheme works by using Metrosil and Stabilizing Resistors. Why REF protection is required while… Read more »
Practical Working of Vacuum Circuit Breaker
In this post, we are going to learn the practical working of a vacuum circuit breaker [VCB] in detail. A vacuum Circuit breaker is used in medium voltage Switchgear for… Read more »
How to Trace out DC Earth Fault Using Multimeter?
DC Earth fault needs to identify and remove as early as possible to avoid tripping of protection circuits. DC Earth faults are frequently occurring on FCBC Chargers, they should be… Read more »
Oil Surge Relay-OSR of Transformer:
Oil Surge Relay-OSR is one of the auxiliary equipment of an oil-immersed type transformer. It is mainly used to limit the damage to the on-load tap changer in case of… Read more »