Question: A substation has to cater to three distinctive load groups whose data is shown below. Load type 24-hour energy consumption kWh Load factor Power factor

A substation has to cater to three distinctive load groups whose data is shown below. Load type 24-hour energy consumption kWh Load factor Power factor Residential 120,000 0.3 0.7 Commercial 144,000 0.5 0.8 Industrial 480,000 0.8 0.9 The diversity factor of the loads can be assumed as 1.5. Calculate the kVA rating of the transformer sized for the maximum demand. Hint: Refer to reading materials for definitions of load factor and diversity factor

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