Unit 7

A flow of electric charge that regularly reverses its direction.

An electric current that flows in one direction steadily.

Complete power failure.

Sending out electricity from the power station to consumers.

Electrical transmission line.

A place where electricity is generated.

Electricity generated by flowing water.

Single-phase distribution is used when loads are mostly for residential purposes.

A three-phase power supply delivers power at a steady, constant rate and used for commercial purposes.

Conversion of energy from sunlight into electricity.