TECHNICAL
SPECIFICATIONS |
|
Duty, Type |
Outdoor/ indoor |
Voltage Class |
11, 22, 33 or any specific |
No. of Phases |
3 Phase |
Frequency |
50/ 60 Hz |
Vector Group |
Dyn5 or Dyn11 or YNyn0 any specific |
Insulating Fluid |
PCB FREE Mineral Oil, both inhibited & |
Uninhibited, as per IEC, ASTM D3487 |
|
Class of Insulation |
Class A |
Tap Changer |
Off Circuit or ON load tap changer |
Tapping Range |
+2.5% to -7.5% @ 2.5% for OCTC/ +2.5% to -7.5% |
Winding Material |
Copper with multi paper covering |
Applicable Standards |
IEC 60076, ANSI, IEEE |
Painting |
Enamel, Epoxy, Polyurethane or customer |
STANDARD
FITTINGS |
H.V. Bushing/ L.V. Bushing |
Conservator oil filling hole |
Earthing terminals pads |
Drain cum bottom filter valve |
Top filter valve with sampling plug |
Plain oil level gauge |
Rating diagram plate |
Air release device |
Thermometer Pocket |
Lifting lugs |
Radiators (Detachable Type) |
Silica gel breather |
First filling of oil |
Isolating valves for radiator |
Jacking Pads |
Dial type OTI with A/T contacts |
Buchholz relay with A/T contacts |
Marshalling box with control wiring |