Universal Polished Electric Distribution Transformer, Operating Type : Automatic

INTRODUCTION

Universal's since its inception has been serving with dedication the power sector by focusing on the various aspects of power problems and its possible solutions. In accordance to the same. today Universal is a renowned name in the field of rolling contact type Servo Voltage Stabilizer. Distribution Transforrners. Ultra Isolation Transformers & Special Multi-Purpose Transformers. the equipment manufactured incorporate most modern engineering concepts under expert supervision and rigid quality control. 

PRODUCT RANGE

• Servo Voltage Stabilizers from 10 KVA 10 6000 KVA 
• Distribution Transformers from 63 KVA To 5000 KVA 
• Power Supplies 
• Step up Down Transformers
• Ultra Isolation Transformers
• Lighting Transformers 
• Automatic Power 
• Factor Panels 
• Control Panel Boards 
• Electroplating Rectifier Upto 0-600V-10000A 
• Test Benches 

STANDARD

The transformers are manufactured in accordance with IS 202611977, IS:118011989 or as per customer's requirements. 

VECTOR GROUP

Unless or otherwise specified, the transformers will be connected as per Vector Group reference DV 11 in accordance with International practice. 

CORE

The core used is best quality cold rolled grain oriented and laser processed silicon steel sheet. They provide lowiron loss. low noise, compact size and have the best performance for high efficiency transformers. 

WINDINGS

We use high quality conductor of copper/ aluminium in our products. Round or rectangular copper /aluminium wires / strips ribbed with thermally upgraded insulating paper are applied in oil immersed transformers. The winding have a compact size, excellent heat transmission, low load loss, high lightening impulse resistivity and outstanding anti-short-circuit strength. 

INSULATION

Our oil-immersed transformers are insulated by electrical grade insulated press board as per IS : 1576 (1992) & thermally upgraded insulating kraft paper as per IS:1060 

TAPPINGS

Tappings 01- 5% in steps of 2.5% or as per customer's requirement 

OIL

Dehydrated EHV-Grade transformer oil as per IS : 335 (19931 with latest amendmentsis used for proper insulation and cooling after testing for all the parameters viz a viz resistivity, tan delta, Boy, neutralization. flash point etc. 

BUSHINGS

HVILV Bushings : High quality porcelain bushings as per IS: 3347 are used on the high voltage terminals & low voltage terminals Optional bushing wells. inserts and elbows are available upon request. High voltage cables are inserted directly and show no live parts outside. 

TANK

All tanks are assembled by cold rolled 1 hot rolled steel plates through welding. They are equipped with radiators or corrugated steel sheets in accordance with the capacity of the transformers. The interior surface of tank is cleaned by chemical and coated with oil resistant zinc chromate primer. Conservator, cable boxes, rollers. sealed /conventional type tank are provided as per the rating / requirements. All tanks are tested by applying high pressure & vacuum. 

PAINTING

Alt the extemal surfaces are given a pnmary coat of red oxide and two finishing coats of grey paint. The inner surface is given a coat of oil resisting paint. 

STANDARD FITTINGS 

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

ACCESSORIES ON REQUEST

LV and HV cable boxes, Winding temperature indicator. Buchholz relay, Magnetic oil level gauge. Marshalling box oil temperature indicator with electrical contacts, Pressure relief valve with electrical contacts & On Load Tap Charger (OLTC) can be incorporated as per customer requirement. 

INSTALLATION

Our transformers can be installed indoor or outdoor. Special designs or special installation can be arranged upon customer's request. 

TESTING 

All the transformers are tested for all the routine tests as per IS : 2026 at our works with modern sophisticated, regularly calibrated meters through a centralized control panel. Dynamic short circuit and impulse voltage tests can be conducted at any Govt. agency if required and temperature nse test can be conducted at our works.

AFTER SALES SERVICES

To provide prompt after sale services to the installations, skilled and qualified personals are always available. Our organisation is well known by virtue of strong support in terms of pre-sales & after-sales services rendered by us during any situation. 

QUALITY ASSURANCE

After sales department the stringent testing of the finished product vis-a-vis guaranteed technical parameters is done with equipment procured from Riken. Larsen & Toubro. Siemens. Automatic Electric, Osaw, Rishab, Nippon etc. accuracy of readings and data derived from these readings confirm to technical parameters of the well designed transformers. 

Quality control activity starts from the selection of most suitable raw material. Every material 1 component has in-house material specification to ensure reliability. The specification clearly indicates the characteristics and the tests to be carried out for verification of the quality and reliability of the selected raw material component. High standards of quality are achieved by thorough awareness of required standards.