Answer / jitesh patel

BECAUSE THE VOLTAGE LEVEL IS DEPENDS UPON THE INSULATIO OF
THE WINDING & CURENT LEVEL IS DEPENDS UPON THE THICKNESS OF
WINDING IN CASE OF GENERATOR OR MOTOR. SO, INCASE OF
HIGHVOLTAGES THE THICK OF INSULATION IS KEEP VERY LARGE &
ALSO INSULATION IS COASTLY AS COMPAIR TO THE COPPER & HENCE
GENRATION OF ELECTRICITY IN LOW VALUE VOLTAGE.

Answer / gunasekaran

slot insulation is not economical and very difficult for HV
generation

Answer / sudhakar.net26

1. Cooling system of alternator is not economical for higher voltage.
2. Voltage level depends On the insulation. Insulation cost is not economical for higher voltage (above11kv)

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