MANUFACTURER OF : Power & Distribution Transformers Upto 3150 KVA Voltage Class 11 kv / 22kv / 33 kv
• Power & Distribution Transformers
• Industrial Transformers
• Furnace Duty Transformers
• Single-Phase & Three-Phase Transformers
• Oil Cooled & Air Cooled ( Dry Type ) Transformers
• Special Purpose Transformers
• Reparing/Refurnishment of Transformers upto 3150 KVA or Air cooled type
 
 
ABOUT US :
Established in 1984, RAKESH TRANSFORMER INDUSTRIES PVT. LTD. is a leading manufacturer of Power & Distribution Transformers. The company is registered with SSI and has the entire infrastructure to manufacture Transformers upto 1600KVA & voltage class of 11KV, 22KV, 33KV. The manufacturing is in accordance with the strict quality assurance procedure which meets the all national standards.
 
 
 
PRODUCTS & SERVICES :
 
 

The Contruction Feature :
The Core :
The core is designed with non ageing cold rolled grain oriented electrical steel with step construction to provide lower iron losses. The core laminations are firmly held in the limbs and yokes by epoxy and resin glass banding. The absence of core bolt eliminates the 'risk of core bolt arcing. Stage inspection ensures verification to design the process is accepted.

The Winding :The windings are either of copper or aluminum of electrical grade of high conductivity. The selection of the winding is based on the continuous and short time current carrying ability, with adequate surfaces for heat dissipation and cooling. Tappings are drawn normally in the high voltage coils with proper insulation. The insulation schemes are designed to withstand BIL voltage levels to meetthe requirements of the standard.The windings are processed on heavy duty machines and thoroughly dried in a drying ovens to free them from moisture and pressed mechanically or hydraulically to the predetermined axial dimensions. Stage inspection ensures verification to design before the next process is accepted.

Tank Assembly :The tank is fabricated in mild steel, with proper welding and stiffened to resist short-circuits and shocks during transportation hauling and in operation. The tank is fitted with radiators of welded or detachable type for cooling. The tank and its parts are surface treated and coated with primer and finish paint of adequate thickness. The surface shall be treated with epoxy or enamel paint to customer specification with the specified shade to withstand the environmental hazard. Stage inspection ensures verification to design before the next process is accepted.

Testing :All transformers are subjected to routine tests as per standards. Type Tests are carried out regularly for product validation as per customer requirement. Type Tests are to be carried out in a reputed test house like Government Test Laboratory or reputed manufacturer test field as mutually agreed between the customer and manufacturer.

Standards & Specification :The "RAKESH" make transformers are designed to Customer Specifications or to the specifications of various utilites. The transformers are of ONAN type and are manufactured with Off-circuit or On load Tap Changer with remote control panel with AVR. "RAKESH" make transformers are tested at ERDA (ELECTRICAL & DEVELOPMENT ASSOCIATION) to dertemine ability to withstand short circuit and lighting impluse voltage.

Design Features :The design, manufacture and testing of transformers shall be in accordance with the latest practice. Material as per recommended standards is sourced from reputedsuppliers in this field . The design shall be such that it shall withsand Mechanical, Electrical, Thermal and Environmental Stresses under full load and short circuit conditions without impairing the performance of the transformer. The transformers are optimally designed for low operational cost.-Coil Assembly:

Core-Coil Assembly :The windings are assembled on the core co-axially for magnetic and electrical balance of the winding to resist short-circuits. Oil ducts offer proper cooling and prevent hot spots on the windings. Support, wedges and spacers or hard insulations are used to withhold relative movement during normal and abnormal service. The connections and leads are mechanically well supported and properly insulated so as to withstand stress during operation. The assembly is firmly held axially with sufficient compression force by tie rods. The core and winding assembly is thoroughly dried in the oven to free from moisture. Stage inspection ensures verification to design before the next process is accepted.

The Oil :The Transformer Oil Which Offers Both Cooling And Insulating Properties Confirms to the Standard Of Transformer Oil. The Oil is Properly Treated With Filtration And Drying ProcessBefore Filling into the Bank. Oil With Low ppm of Moisture is used for the first fill.

Fitting And Accessories :The Fittings and Accessories are Provided to Ease Maintenance, Protect the Transformer and Increase the useful life of the Transformer. The Components Such As Buchholz Relay, Temperature Indicators for Oil and Winding Pressure Relief Devices, Dehydrating Breather, Shut -Off Valves are Provided As Per the Customer Specifications Or As Standard Fittings in the Offers to the Customers.

Quality Control :The Product During the Cycle of Manufacturing Under goes Checks And Controls At Every Stage Of Process. The Materials are Sourced From Reputed Vendors Whose Philosophy is to Maintain quality Shelf Life Components are used on FIFO Basis Continuous Monitoring of Process and Stage Checks Ensures Quality Each Process Stage.

Despatch :Transformers are booked on full trucks basis to avoid damages in handling. The transformers are designed considering the transportation needs in mind. The lifting hook is clearly marked on the transformer to prevent accidents during loading and unlo ading.

 
 
Contact Us
 

Address : W-240 " S " Block, M. I. D. C., Bhosari, Pune - 411 026, Maharashtra, India.
Telefax No. : +91 - 20 - 2712 2167
Mobile No. : +91 - 98220 52587, 98901 00066, 98222 42426
  response@rakeshtransformers.com
 
 
 
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