Transformers with primary voltage of 66 kV and above are conventionally termed as Extra High Voltage (EHV) Transformers. These transformers are generally used in the transmission sector. We at Shri Ram Group Of Industries have facility to manufacture EHV transformer upto 50 mVA 132 kV class.
TECHNICAL SPECIFICATIONS |
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Rating | Upto 50 mVA | |
Duty Type | Outdoor/Indoor | |
Voltage Class | 33, 66, 132 kV or as per customer’s requirement | |
No Of Phases | 3 phase | |
Frequency | 50/60 Hz | |
Vector Group | Dyn5 or Dyn11 or YNyn0 or as per customer's requirement | |
Insulating Fluid | PCB FREE Mineral Oil, both inhibited & uninhibited, as per IS/IEC and customer requirement | |
Class Of Insulation | Class A | |
Tap Changer | Off Circuit or On Load | |
Tapping Range | + 2.5% X 2 for OCTC or + 1.25% X 4 & -1.25% X 8 for OLTC or as per customer requirement | |
Winding Material | Copper with multi paper covering | |
Applicable Standards | IS 2006,IEC76,ANSI,IEEE | |
Painting | Enamel, Epoxy, Polyurethane or customer specific |