Hydroelectric power station
학생이 쓴 원문
Thank you for your kind comments and explanations during the classes. I will get good brand in the test!!!! Thank you again and I will send to you my score later I take the test.
강사 첨삭
Hi Ye [이름]!
I think I have told you everything you need to know.
You just need to believe in yourself.
Good luck!^^
~~ Teacher Sharon
This diagram illustrates the process of hydroelectric power system.
>> This diagram illustrates the hydroelectric power system.
People can know the way electricity is emerged
through hydroelectric power system.
>> People can know the way electricity is generated through the hydroelectric power system.
Overall, hydroelectric power system is consisted of a dam, a power station with a generator and two different leveled
reservoirs.
>> Overall, the hydroelectric power system consists of a dam, a power station with a generator and two different reservoirs.
The basic process is that the water from a river save in high-leveled reservoir and the water can flow during
the day to generate electricity.
>> The basic process is that the water from a river is stored in a high-leveled reservoir and water can flow during the day to generate electricity.
And then, in the power station, the water change to electricity using reversible turbines
with a generator during the day and the electricity shares to national gridsthrough the power lines.
>> And then, in the power station, the water is converted to electricity using reversible turbines with a generator during the day and the electricity shares the national grids through the power lines.
The remained water
is saved in low-leveled reservoir.
>> The remaining water is stored in a low-leveled reservoir.
However, during the night, the water which is in the low-leveled reservoir pump
into high-leveled reservoir via a generator in power station.
>> However, during the night, the water which is in the low-leveled reservoir is pumped into the high-leveled reservoir via a generator in the power station.
After then, the dam close for saving water in high-leveled
reservoir where was the starting point.
>> After that, the dam closes to save water in the high-leveled reservoir which was the starting point.
This process keep rotating during the day and night for making electricity.
>> This process keeps repeating during the day and night for the generation of electricity.
Eventually, it is a good way of using the
natural resource (water) to the essential element (electricity) for people.
>> Eventually, it is a good way of using the natural resource (water) to generate an essential element (electricity) for people.
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