Vacuum Circuit Breaker
A vacuum circuit breaker is a kind of circuit breaker where the arc quenching takes place in vacuum medium. The operation of switching on and closing of current carrying contacts…
A vacuum circuit breaker is a kind of circuit breaker where the arc quenching takes place in vacuum medium. The operation of switching on and closing of current carrying contacts…
The sliding contact collector above the train collects the current from the overhead system and it is mounted on the roof of the train. This sliding contact collector should be…
System earthing is primarily required to ensure that the potential of each conductor of the system restricts to its desired value for which the insulation is provided.The system earthing is…
A circuit breaker in which the current carrying contacts operate in Sulphur hexafluoride or SF6 gas is known as anSF6 circuit breaker. SF6 has excellent insulating property. SF6 has high…
RCCB (Residual Current Circuit Breaker) falls under the category of wide range of circuit breakers. As we know there are several types of miniature circuit breakers like MCCB which works…
What are Isolators? Isolator as the name implies is a device which isolates/ opens the circuit or which acts like a switch. Isolators are typically used so that we can…
SR. NO PARTICULAR OUTDOOR SUBSTATION INDOOR SUBSTATION 1 Space Required More Less 2 Time Required For Erection Less More 3 Future Extension Easy Difficult 4 Fault Location Easier Because The…
What is Earthing? Equipment earthing is a connection done through a metal link between the body of any electrical appliance, or neutral point, as the case may be, to the…
Dielectric materials are basically basic and pure electrical insulators. By applying a sensible electrical field, the dielectric gases can be polarized. Vacuum, Solids, Liquids and Gases can be a dielectric…
There are several ways of classifying sub-stations. However, the two most important ways of classifying them are according to (1) service requirement and (2) constructional features. According to service requirement.…