The National Grid Flashcards
1
Q
To make the national Grid more efficient
A
The voltage is increased and the current is decreased
2
Q
What is used to increase the voltage of the national grid
A
Step up Transformers
3
Q
Describe the order of the national grid
A
(Powers stations) step up transformer- pylons - step down transformer - home
4
Q
What are overhead cables better for
A
Set up
Acsess
Ease
Disturbance
5
Q
What are underground cables better for
A
Maintainence
Looks
Weathering
Reliability
6
Q
A high current means what (national grid)
A
That more energy will be wasted as heat will be created
