The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The graphics illustrate the process for the production of

the

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electricity

in a hydroelectric

power

station starting at the river and ending

of

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at

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the national grid.

Overall

,

it is clear that

producing

electricity

for individual consumption goes through a complicated process, which involves around

of

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8 stages and these stages are divided into 2 parts: the day

part

and the night

part

. At the beginning of the day

part

,

water

through the river into the high-level reservoir which was blocked by the dam and it will open a conduit in the daytime.

Then

the

water

will be delivered to the

power

station, before it into the reversible turbines

whereas

operate

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operating

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generator

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a generator

the generator

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, the

electricity

will be generated flow of the

water

during the

senting

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sending

sensing

. After that, the

electricity

will be collected in

generator

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a generator

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and

then

, through the

power

lines, the national grid will have energy to use. Turning now to the night

part

,

water

from the city waste will be placed in the low-level reservoir and

also

sent to the

power

station through the conduit into the reversible turbines. The machine will pump

water

into a high-level reservoir

while

the dam will close

in

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the

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night.