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