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Option 1 : Transformer
Concept:
- In a hydropower station, the power is generated at the voltage level of 11 kV.
- The voltage level of this generated power is stepped up the transformer in order to transmit it over large distances through the transmission line.
The transmission is done at higher voltages because:
- A higher voltage implies a lower current for a given power of transmission.
- With a lower current, less heat is generated in the transmission lines and so less energy is wasted and more power can be transmitted.
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