Quality

We are Result oriented organization and Quality best defines the NEPL products. We are driven and highly motivated by client’s satisfaction. Our quality management handled by experienced quality personnel help in checking the whole product range at different stages of our production, to ensure flawless finish standards as well as optimum functionality standards.

At NEPL, we have Continuous Quality and Improvement protocols which are primarily directed at prevention of nonconformance’s as well as detection, corrective action and process improvement implementation in all stages. Raw Materials, Manufacturing and final Products are judged on each stage so that the perfect range would reach the clients’ end. Quality analyzers looks after the process so that the right suggestions would come out and errors-defects and returns would be minimized to best possible extent.

Our Custom Engineering & Rapid Prototype development team is expert at analyzing the client’s energy requirement and equip them with the right products.

Our expertise in Solidworks, AutoCAD and MathCAD etc. ensures that your concept will be transformed into a functional, structurally-sound design.

After design is completed, we create prototypes of design, as well as machine work and contract engineering. Testing team puts the prototype on test under desired stress and assures the right quality parameters before production.

Immediate availability, Quick problem identification and “One off” or small run production are key features of our Quality driven process.

Quick insight into our Quality process:

Stage 1: Raw Materials

Materials are procured only from approved quality vendors after rigorous inspection at the Vendor’s Works or on receipt at Our end.

Stage 2: Design

Computer aided tool like Solidworks, AutoCAD and MathCAD etc. are used to generate prototype design. maximum flux density, and no load loss, load loss, impedance and other technical parameters are taken into consideration. Core Material and Core frame is designed in line with the requirement of maximum flux density and no load loss. Grade of core being decided on the basis of no load loss and magnetization current. Tank body and radiators are designed in line with the requirement of internal clearances and permissible maximum temperature rise.

Stage 3: Production

Primary & Secondary Coils are made on winding machines with automatic layer setting and are wound on accurate formers with Insulating Kraft paper, epoxy dotted paper or Nomex and Glass Insulation. Only Prime grade CRGO with Mills Test Certificate in coils or Sheets is procured and then slit, cut and annealed to proper size as per design.

Tank Fabrication: The tanks are fabricated from MS sheets, angles, plates, channels, pipes. These materials are cut to size as per design and then electrically welded (either MIG or ARC) to form the tank. The Radiators and Tanks are thoroughly tested by modern methods to ensure there is no leakage of transformer oil even at elevated temperatures after long operating hours.

Painting & Finishing: Each tank is sand/shot blasted or chemically cleaned to remove any oil/grease and rust scales from the tank body and welded joints. They are subjected to phosphating or hot dip zinc galvanizing in accordance with Standards as per Customer’s requirements. Each transformer is subjected to check for verification of fittings, accessories as per customer’s specification and lastly subjected to an air pressure test to check any leakage and seepage.

Stage 4: Test & Inspection

Rigorous inspection at each and every stage to ensure that the material conforms to the required standards and quality. Finished products are tested and inspected on test benchmarks like Resistance Measurement, No Load Loss, Impedance, Turn ratio, Voltage test, Temperature Rise test etc.

Stage 5: Handling

EOT crane, Mobile Cranes and Hydraulic Trolleys are used for material handling to ensure that the product is handled in the most careful manner with the least amount of movement stress.

Stage 6: Packing

Each transformer is individually packed with wooden crates suitable for sea worthy packing after bolting the channels of the transformer on a strong wooden platform. Prior to stuffing in the wooden box, each transformer is covered with high density polythene sheet and tied with tapes. Silica gel bags are also used to keep the interior of the box moisture free. Packing is done in our premises. We are an ISO certified company.

Key advantage associated with this are:

  • Better environmental management reduces waste and energy use
  • Improve efficiency to cut the cost of running your business
  • Demonstrate compliance to expand your business opportunities
  • Meet legal obligations to win greater stakeholder and customer trust
  • Prepare for the changing business landscape confidently.