The national grid Flashcards
What is the national grid ?
giant system of cables and transformers that covers the UK and connects power stations to consumers.
The national grid transfers electrical power from anywhere on the grid
to anywhere else on the grid where it’s needed — e.g. .
homes and industry
, electricity usage (the ) changes. Power stations have to produce
Throughout the day demand
enough electricity for everyone to have it when they need it.
2) They can predict when the most electricity will be used though. Demand increases when people get upcome homeschoolworkdarkcold
in the morning, from or and when it starts to get or
outside. like a sporting final being shown on TV could also cause a peak in demand.
Popular events
3)Power stations often run at well below their , so there’s capacity to
maximum power outputspare
cope with a , even if there’s an unexpected shut-down of another station.
high demand
4)Lots of power stations that can start up quickly are also kept in standby just in case.
