Generating electricity

Cards (8)

what are renewable energy resources
hydroelectric, wind power, waver power, tidal power, waste, crops, solar and wood
what are non renewable energy resources
fossil fuels (coal, oil, gas) and nuclear
how does a fossil fuel power station work
fuel is burned to heat water to make steam. The kinetic energy of steam turns a turbine. The turbine then drives a generator which produces electricity.
what is "base load"
electrical energy generated 24/7 meeting the majority of our needs
what is the national grid
consists of network of power stations, transformers, sub stations and power lines all joined together supplying electricity to consumers
advantages of national grid
. reliable source
. works 24 hours a day
what does a step up transformer do
increase voltage and decrease current so reducing energy losses in transmission lines making distribution more efficient
what does a step down transformer do
reduces voltage to safer level or consumers, increases current