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The image illustrates a hydroelectric power station diagram, where a river flows into a high-level reservoir through a dam. An intake is open during the day and closed at night, regulating the flow of water to reversible turbines. In the daytime, the turbines operate a generator to produce electricity, which then flows through power lines to the national grid. At night, water is pumped back into the high-level reservoir. The power station is depicted as a building housing the generator and turbines, with an arrow indicating the flow of water during the day (downwards) and night (upwards) between the high and low-level reservoirs.
Given the complexity of the image, the above description may not be entirely accurate.
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Note: Both the topic and the answer were created by one of our users.
The diagram shows the process of creating electricity in a hydroelectronic power station.
Overall, there are two different flows of water on daytime and at night. On daytime, flow of water is from high-level reservoir to low-level reservoir. By contrast, flow of water at night is from low-level reservoir to high-level reservoir.
On daytime, intake is opened for water from high-level reservoir go through to generate electricity. Then, when water arrives in the power station, generator is operated to take energy from it, then power lines are deliveried for national grid. Finally, water go through reversible turbines into low-level reservoir.
At night, water from low-level reservoir go through reversible turbines and is pumped into high-level reservoir. The flow of water during pumping is contrasted comparing to flow of water to generate electricity. However, at night, intake is closed.
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