4:54

Potential Transformers - Basics and Calculations

24:24

How 3 Phase Transformers Work – why we need them

6:44

Percent Impedance of a Transformer

7:13

Off Grid: Easily change 120v to 230v - Autotransformers

5:56

Current Transformers - Basics and Calculations

14:41

How 3 Phase Power works: why 3 phases?

4:10

autotransformer

25:05

The Fire Truck song for kids & songs for kids about street vehicles. Cars songs & nursery rhymes.