Optical isolators
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…
Indoor and Outdoor Substation
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…
Equipment Earthing
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 Gases
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…
Classification of substation
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.…
Air Circuit Breaker
The type of circuit breaker, which operates in air (where air-blast as an arc quenching medium) at atmospheric pressure, is known to be an Air Circuit Breaker. Air circuit breaker has…
Why Transformer Is Rated In KVA?
We know that Transformer rating may be expressed in kVA as well as Generator and Alternator rated in kVA. There are two type of losses in a transformer; 1. Copper Losses 2.…
Relays
What is a Relay? Relays are widely used for protection of system which makes the system aware whether it has abnormal condition or a fault. If the system is under…
Tariff And Its Types
A certain amount of money rate is charged to the consumer for consumption of electrical energy. This money rate is known as Tariff orthe tariffis the rate at which the…
Switchgear
Need Of Switchgear: A great demand for electrical energy is a notable feature of modern civilization. Most of this energy is needed for lighting, heating, domestic appliances, industrial electrical machinery…
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