The given diagram illustrates the stages of generating electricity from geothermal source.
Overall, the generation of electricity using the geothermal energy is unique and involves several distinct stages.
Firstly, the cold water which is collected in a storage tank is channeled down through a injection well, which is about 4.5 km deep. Under the earth’s surface, in the geothermal zone, heat exchange occurs with hot rocks, and this water gets heated.
In the next step, the hot water is pumped back to the earth’s surface through a production well, which also has the same depth of the injection well, but slightly wider. In the condenser, this hot water is converted to steam, and is allowed to escape forcefully through a narrow tube.
When the steam hits the turbine with an increased pressure, it rotates swiftly and electricity is generated in the generators. The electricity thus generated is transferred into the distribution networks.
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