Why Trasformers rated in KVA
Answer Posted / jey
Transformers and Generators are rated in KVA bcoz PF cannot be calculated( Cu loss depends on Voltage & Iron loss depends on Current). Always the Source end i.e transformer , Generator, power factor cannot be calculated and it is rated as KVA and Destination end i.e is Utility side such as Motor are rated as KW
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A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE
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