Automatic Hermetically Sealed Distribution Transformer, Certification : ISI Certified

Distribution & Power Transformer:

• Upto 150 kVA Single Phase both 11 & 33 kV class
• Upto 40 MVA, 66 kV class
• Upto 20 MVA OLTC 33 kV class

Transformer Options:

• Cooling tubes, radiators and corrugated tanks
• Pole mounted or ground mounted
• Free breathing or hermetically sealed
• CSP and Non CSP
• Winding-copper/aluminum (foil/rectangular wire/round wire)
• Fittings and accessories, cable
• Terminations: As required

Terminal Arrangement:

• H. V - bare bushings or cable box
• L. V. - bare bushings
• cable box
• Disconnecting chambers can also be provided on both HV and LV cable boxes

Temperature Rise:

• Transformers are designed for a maximum temperature rise 40/50ºC of oil and winding
• Lower temperature rise can be offered on request

Standard Fittings:

• Rating and diagram plate
• Earthing terminals - 2 nos
• Lifting lugs
• Oil level indicator (plain)
• Drain-cum bottom filter valve with plug
• Oil filling hole with plug on conservator
• Oil conservator with drain plug
• Air release plug
• Silica gel air breather
• Bi-directional flat rollers
• HV terminals-outdoor bushings
• LV terminals-outdoor bushings
• Radiators
• Filter valve with plug
• Thermometer pocket
• Oil temperature indicator
• Externally operated off circuit tap changing switch
• Explosion vent
• Sampling value (for 2000 Kva & above transformers only)

Accessories on Request:

• LV and HV cable boxes
• Winding temperature indicator (WTI)
• Buchholz relay
• Magnetic oil level gauge
• Marshalling box
• Disconnecting chamber
• Oil temperature indicator with electrical contacts (OTI)
• Pressure relief valve