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In the UK there are over 4,474 miles of overhead electricity lines providing power to Britain's homes. Using a model I demonstrate how the National grid works.
National Grid Web site www.nationalgr...
The Power station generates AC electricity. If this low voltage is put over the grid much of the energy is lost, but if the electricity is converted by a step-up transformer then sent across the grid and then put into a step-down transformer then little electricity is wasted.
This is based on a kit by Irwin Science Education
www.irwinscien...
And using Hornby Pylons to improve the look.
We purchased this product and use it in our teaching.
Philip M Russell Ltd
Web: www.hemelprivat...