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In hydropower generation, which motor is used, AC or DC?

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First of all, motors can not be used for power generation. The primary purpose of Motors is to do mechanical work at the cost of Electrical energy. read more

Now, coming to your question, in a Hydro power station the turbine is used to rotate an AC generator, for power or electricity generation. This can be then transmitted using transmission lines, after proper stepping-up. read more

DC is the outcome after the ac generation which is done by commutators. But since hydro electric generator has to supply a large amount of Power for which the currents are huge and hence the stator works as an armature or we can say we take the output from the armature . read more

Alternative Power & Machine manufactures a variety of turbines that produce up to 3.3 KW and transmit up to 480 volts AC or DC. The Harris Hydro Pelton turbine uses a permanent-magnet alternator to produce up to 2.5 KW and transmits at 12, 24, or 48 VDC. read more

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