Category: Power System

Valve Type Lightning Arresters are suitable on High Voltage Power Lines. This is non-linear diverter. Continue reading What is Valve Type Lightning Arrester? Working, Construction, Diagram, Limitations & Applications

Multi gap Arrester is used for power lines voltage not exceeding 33 kV.

Fig. 1 : Multi gap Arrester Continue reading What is Multi Gap Arrester? Working, Diagram & Construction

In this topic, you study Vacuum Circuit Breaker Working Principle, Construction, Diagram, Advantages & Applications. Continue reading What is Vacuum Circuit Breaker? Working Principle, Construction, Diagram, Advantages & Applications

Horn gap arrester is used at limited places due to its unreliability i.e. it is used as backup protection with the main arrestor.

Continue reading What is Horn Gap Arrester? Working, Construction, Diagram, Limitations & Applications

Rod Gap Arrester is generally located across the bushings of transformer and generally used as back up protection in case of main arresters.
Continue reading What is Rod Gap Arrester? Working, Construction, Diagram, Limitations & Applications

Overcurrent relays are used for protecting the equipment by over-currents. Over currents may cause the break in insulation if temperature exceeds the limits for which the insulation is designed. For wide varieties, these relays are used which are listed below Continue reading What is Overcurrent Relay? Explanation, Types & Applications

In this topic, you study the Difference between Isolator and Circuit Breaker.

Continue reading Difference between Isolator and Circuit Breaker

Continue reading Transmission Line Protection | Feeder Protection

In this topic, you study Electrical Fuse – Definition, Construction, Types & Diagram.
Continue reading What is an Electric Fuse? – Definition, Construction, Types & Diagram

In this topic, you study Fuse Wire Material.
Continue reading Fuse Wire Material