An electrical substation is a critical component of an electric power grid, as it facilitates the transfer of electricity from generators to end-users. These substations are typically equipped with a transformer, circuit breaker, and components like a current transformer (CT), potential transformer (PT), disconnector, and surge arrester. All these devices have specific roles to play in efficiently transmitting electricity from the power station to users.

A transformer is responsible for increasing or decreasing the voltage levels of electricity flowing through the grid; this helps reduce losses during transmission over long distances by allowing higher voltage lines to be used instead of lower ones. A circuit breaker helps protect lines and equipment in case of sudden high current surges/short circuits that may damage equipment or even cause fires. CTs and PTs are used for measuring parameters like voltage, current, power factor etc.

This video will show you everything you need to know about electrical substations. Specifically, I’ll cover:

Different types of electrical substations

Substation equipment

How electrical energy travels after generation from transmission substation to customer home.

And lots more

Let’s get started.
00:00 Introduction
00:29 Types of Electrical Substations
00:40 Generative Substation
01:11 Transmission Substation
01:38 Sub-transmission Substation
02:03 Distribution Substation
02:36 Converter Substation
02:56 Switching Station
03:17 Mobile Substation
03:33 Underground Substation
03:53 Pole-mounted Substation
04:25 Electrical Transformer
05:00 Circuit Breaker
05:36 Instrument Transformer
05:55 Protection Relay
06:12 Disconnecting Switches
06:38 Lighting Arrester
07:06 Substation Busbar
07:30 DC Sources
07:45 Conclusion


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