69 KV Substation - Walk through

15:59
v31 Proteccion, Control y Medicion en el Cuarto de Control de una Subestacion

20:00
Power outage response - Full video

33:44
138 kV High Voltage Substation Walk

25:29
THE FIRST HALF-MILLION VOLT D.C. TRANSMISSION LINE (1965) (AAPG W3606/1161)

30:58
Changing blown transformer!

13:52
How we tap on 69kv/138kv live lines - energizing mobile sub

14:08
138 kV switch malfunction

36:57