The National grid Flashcards
1
Q
What does the National Grid consist of?
A
The national Grid consists of Transformers and high voltage cables
2
Q
What do they do?
A
Connect power stations to home
3
Q
What’s the problem with transferring electricity through the long cables?
A
A lot of energy is lost due to resistance
4
Q
What do step up transformers do?
A
Increase potential difference to hundreds of thousands volts
5
Q
What do step down transformers do?
A
Bring the vintage down to 230, so it’s safe for homes
6
Q
What does the electricity travel through when going from the step up transformers to the step down transformers ?
A
Hugh voltage cables
