Polarity test of current transformer/ CT Polarity test
21:28
NIFPS / Nitrogen injection fire Protection system of Transformer complet operation / Demonstration
55:37
How to look a 132/33 kV Grid substation and its equipments
18:29
Rotor Earth Fault Protection of Generator.
9:55
Breaker Blocking Condition/ SF6 Gas presser low/ Breaker Operation Blocking
1:01
Automatic transformer turns ratio tester
14:46
Lo que la Unión Soviética encontró realmente en Venus: ¿Vida o un error?
14:50
¡No tires las pilas viejas! Invento genial con máquina de soldar
7:25