المكائن الكهربائي | شرح all day efficiency of transformer p1
8:23
المكائن الكهربائي | Transformer efficiency p2
32:29
All Day Efficiency of Transformer (13)
13:21
Delta and Wye - Volts, Amps, & VA
22:21
open and short circuit test transformer
14:41
How 3 Phase Power works: why 3 phases?
12:10
Umm Kulthum - Baeed Anak | Short Version - ام كلثوم - بعيد عـنك | نسخة قصيرة
14:41
120/240 and 120/208 Volt Transformer Secondaries
1:08:48