Electrical Substation; How it works?

This animation demonstrate how an electrical substation works and what arrangement it consist for successful transfer of power between incoming and outgoing line through using double bus arrangement.
The fundamental components that any substation consist are
Circuit breaker
Bus Bars
Isolators
Current Transformers (CT)
Potential Transformer (PT)
Power Transformer or Distribution Transformer
Surge arresters
Bus Coupler
Gantree
Conductors
Insulators
Various Control panels

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