A generator winding delivering rated load of 1000 kVA rises to 50C above 40C ambient air, making

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A generator winding delivering rated load of 1000 kVA rises to 50°C above 40°C ambient air, making its operating temperature 40 + 50 = 90°C. If the generator is overloaded by 30%, determine its operating temperature. If always operated at 30% overload, determine the generator life if the rated design life is 25 years.

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