Why Transformer Rating In KVA Not KW | Electrical Interview Question || Latest Update 2018 ||

In this video,
I describe about " why transformer rating in KVA not KW"
Transform rating is based on transformer losses... In transformer, it have two types of losses.
1. Copper losses :- Copper losses is based on current. It is occour inside transformer winding in the form of heat.

2. Core losses :- Core losses is based on supply voltage.

We can observe that losses of the transformer is only based on current or voltage, losse is independent from power factor so, we can say transformer rating in KVA not KW.

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Видео Why Transformer Rating In KVA Not KW | Electrical Interview Question || Latest Update 2018 || канала Electrical Engineering Idea's