4.5 The National Grid


4.5 The National Grid

The National Grid is a network of cables, pylons and transformers that distributes electricity to our homes from distant power stations and renewable energy generators.

Step-up transformers are used to step up power station voltages to the grid voltage. Step-down transformers are used to step the grid voltage down for use in our homes.

A high grid voltage reduces energy loss and makes the system more efficient.

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