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

The given picture illustrates the generation of electricity from a renewable resource, namely

water

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.

Overall

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, it is a man-made cycle process, which 24 hours take for one cycle. It starts in the high-level reservoir to the low-level reservoir during the day,

while

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water

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pumps up to its first place at night.

First,

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water

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from the river is stored behind the dam, which is located in a top position. During the day, the intake is opened to let the flow of liquid for electricity generation.

Then

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, the

water

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enters a power station, which has reversible turbines. After that, the turbines are rotated by the flow of

water

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and

then

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operate the generator, which is connected to the power line. The produced electricity is sent to the national grid for various uses including households and industries.

Next,

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the

water

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is led to the container on the downside of the station.

Finally

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,during the night, the cycle is reversed. The liquid in the low-level reservoir is pumped into the upper position via reversing turbines.