E

From wind farm to wall socket (Online Task)

Task 1 — Academic
⏱ 00:00
20 min recommended
0 / 150 words

Task 1 — Academic

You should spend about 20 minutes on this task. Write at least 150 words.

The diagram below shows how electricity produced by a wind farm reaches people's homes.

Summarise the information by selecting and reporting the main features.

How electricity from a wind farm reaches homes
How electricity from a wind farm reaches homes1Blades turn in the windMoving air pushes the three long blades of each turbine, which slowly rotate ashaft inside the housing at the top of the tower.2The gearbox raises the speedA gearbox converts this slow rotation into the much faster spin that thegenerator needs.3The generator makes a currentThe fast shaft turns magnets inside coils of wire, and an electric current isproduced.4Voltage is stepped upA transformer at the foot of the tower raises the voltage so that very littleenergy is lost on the journey.5TransmissionBuried cables carry the current to a substation, where it joins the overheadlines of the national grid.6Local distributionA second transformer lowers the voltage again and local cables deliver theelectricity to houses, shops and schools.

Marked on Task Response, Coherence and Cohesion, Lexical Resource, and Grammatical Range and Accuracy. Plan for a minute, write to length, then leave time to read it back.

0 / 150 words
Your draft is saved in this browser as you type.