3 MVA Distribution Transformer with OLTC
(33/0.433 KV Outdoor Type)
Distribution Transformer
250 KVA to 20 MVA
(11 KV & 33 KV Voltage Class)
PRODUCTS RANGE
Power & Distribution Transformers 250 KVA to 20 MVA in 11 & 33 KV voltage class.
STANDARDS
Transformers were designed and tested as per IS : 2026, BS-171, IEC-76, IEC-726 &
BIS-1180
VECTOR GROUP
Transformers will be connected as per vector group reference Dyn 11. Other vector
groups can be offered as per specific requirements.
TEMPERATURE RISE
Transformers are designed for a maximum temperature rise of 50/55°C of oil /
winding. Lower temperature rise can be offered on request
500 KVA Outdoor Type
Inner View
3 MVA Distribution T/F with OLTC 11 KV / 433 V Class (Indoor Type)
TERMINAL ARRANGEMENTS
H.V.-Bare Bushings or Cable Box, L.V.-Bare Bushings or Cable Box. Disconnecting chambers can also be provided on both HV and LV Cable boxes.
STANDARD FITTINGS
- Monogram plate
- Ratingand diagram plate
- Earthing terminals-2 Nos
- Cover lifting hooks
- Lifting lugs
- Jacking Lugs (500 KVA & above)
- Prismaticglassoil level indicator
- Drain-cum bottom filter valve with plug
- Oil filling hole with plug on conservator
- Oil conservator with drain plug
- Air release plug
- Silicagel air breather
- Bi-directional flat rollers
- HV terminals-outdoor bushings
- LV terminals-outdoor bushings
- LV additional neutral-1 No. outdoor bushing without socket (forstarconnected enclosed LVterminals)
- Pressed sheet radiators (tank mounted upto 1250 KVA and detachable thereafter)
- Filter valve with plug
- Thermometer pocket
- Oil temperature Indicator (stem type)
- Externally operated off circuit tap changing switch
- Pressure relief valve without electrical contacts
- Sampling valve (for 2000 KVA & above Trf. only)
ACCESSORIES (OPTIONAL)
- LV and HV cable boxes
- Winding temperature indicator
- Buchholz relay
- Magnetic oil level gauge
- Marshalling box
- Disconnecting chamber
- Oil temperature indicator with electrical contacts
- Pressure relief valve with electrical contacts