Distribution Transformer

SRI ® Make Oil cooled Distribution Transformers

Distribution transformers are used in the last leg of Power distribution to feed electricity to residential, industrial and bulk consumers. Transformers with primary voltage of 11 kV and below are termed as Distribution Transformers. We at Shri Ram Group Of Industries have a huge integrated facility to manufacture Oil cooled Distribution Transformers.
 

• Technical Specifications
• Salient Features
• Standard Fittings
• Optional Fittings

Technical Specifications
Rating	Upto 1 mVA
Duty Type	Outdoor/Indoor, Pole or Ground Mounted
Voltage Class	3.3,6.6,11,22,33 kV or any specific
No Of  Phases	1 or 3 phase
Frequency	50/60 Hz
Vector Group	Dyn1 or Dyn5 or Drn11 or any specific
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	Aluminium Or Copper with multi paper covering
Applicable Standards	IS 2006,IEC76,ANSI,IEEE
Painting	Enamel, Epoxy, Polyurethane, 10 Tank Powder Coating or customer specific
Tank	Hermetically Sealed, Corrugated Radiator Type or Conventional rectangular tank type

Salient Features of SRI ® Make Oil cooled Distribution Transformers
Custom made to meet each and every requirement of customers conforming to National & international Standards.
Designed by experienced expert engineers using most modern software.
Highest dielectric insulation property to withstand Lightening Impulse.
Step lap core design with multiple sheets per bag used in the core lamination jointing.
Designed using advanced software like AutoCAD &ProE to ensure adherence to the design parameters.
Pre composed Insulation material for minimal moisture absorption.
In House Fabrication with Laser and CNC machines.
Integrated 10-Tank Powder coating process.
Facility to make 1000 Nos Transformers per month.

STANDARD FITTINGS
H.V. Bushing	L.V Bushing	Off Circuit Tap Changer
Conservator oil filling hole with cap & drain plug	Under carriage with four bi-directional rollers	Earthing terminals
Drain cum bottom filter valve with sampling plug	Top filter valve with sampling plug	Plain Oil Level gauge
Rating diagram plate	Air release device	Thermometer Pocket
Lifting Lugs	Pressed Steel Radiators (Fins or corrugated type)	Double Diaphragm Explosion Vent
Silica gel breather	Additional Neutral bushing	First filling of oil

Optional Fittings
Detachable Radiators with isolating valves.	Jacking Pads	Dial Type Oil Temperature Indicator with A/T contacts
Buchholz relay with A/T contacts	Marshalling box with control wiring	Equaliser pipe between conservator & explosion vent
On Load Tap Changer	RTCC Panel with automatic voltage Regulator (AVR)	Pressure Release Valve
DGPT Relay

WordPress Tabs Plugin