Transformer Design Package

Power Transformers: Our power transformer design cover the requirement of current industry standards which includes low loss and low noise Designs, Short circuit test requirement, Dielectric design for High voltage transformers.Our designs are made with best technology and practices used in transformer industry worldwide which makes them most competitive and reliable.

Distribution Transformers: We deal in Oil & Dry type designs having two winding, three winding, four winding and multi winding transformers (including 12 pulse,18 pulse, 24 pulse, 36 pulse, 48 pulse) in one, two or multiple CCA arrangements with proper structure and rigidness for better reliabaility. All designs are made by keeping in mind of all the cares needed in different types of applications.


Our Service covers various type of transformers required in industry.Below is list of Transformers covered in our scope of supply.

POWER TRANSFORMERS

  • Network Transformer
  • Generator Transformer
  • Mobile Transformer
  • Traction Transformer
  • Furnace Transformer
  • Auto Transformer with CFVV and VFVV
  • Single phase Auto Transformer
  • Unit Auxiliary Transformer (UAT)

DISTRIBUTION TRANSFORMERS

  • Distribution Transformer
  • Induction Furnace Duty Transformer
  • Inverter Duty / Solar Transformer
  • Converter Duty Transformer
  • Rolling Mill Duty Transformer
  • Testing Transformer
  • Ladle Refining Furnace Transformer
  • Arc furnace Transformer
  • Foundry Application Transformer
  • VFD/ Motor application Transformer
  • Rectifier Transformer
  • Series Reactor
  • Earthing Transformer
  • Dry Type Transformer (Epoxy Casted / VPI)
  • Wound Core Transformer
  • Isolation Transformer

Electrical Design Package:Electrical Design Package consists below scope of work which can be extended with additional calculations with prior agreement:

Documents included in Scope:

  • Customer Drawings (GTP & Calculations)
  • Bill of Material
  • Winding Sheet
  • Insulation Assembly
  • Lead Disposition
  • Cooling Estimation
  • Insulation List
  • Core & Copper ordering Sheet

Additional Documents:

  • Short Circuit Analysis
  • Impulse Analysis
  • Electric Field Analysis
  • Hotspot Factor Calculation
  • Marshalling Box Drawing
  • Fan Control Cubicle Drawing
  • RTCC Drawing

Mechanical Design Package:Mechanical Design Package consists below scope of work which can be extended with additional calculations with prior agreement:

Documents included in Scope:

  • Customer Drawings
  • Tank Fabrication Drawing
  • Frame Fabrication Drawing
  • Core & Coil Assembly
  • Lead Connection Drawing
  • Insulation List
  • Core Assembly Drawing

Additional Documents:

  • Vacuum & Pressure withstand Analysis
  • Lifting stresses due to full transformer weight
  • Stress on Jacking Pads
  • Seismic Analysis
  • Center of Gravity Calculation

    • Reference List

    Below is reference list of projects done by TrafoVision Engineering.

    Transformer Rating Type Service End User Year
    5 MVA , 66/11 kV , YNyn0 Network/Power Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis, Impulse Analysis & Electric Field Analysis Private,India 2020
    50 MVA , 132/33 kV , YNyn0 Network/Power Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis, Impulse Analysis & Electric Field Analysis RRVPNL,India 2019
    25 MVA , 132/33 kV , YNyn0 Network/Power Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis, Impulse Analysis & Electric Field Analysis RRVPNL,India 2019
    21.6 MVA , 132/27 kV , Ii0 Traction Power Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis, Impulse Analysis & Electric Field Analysis RDSO,India 2019
    12.5 MVA , 33/4x0.5 kV , YNd11d11d11d11 Inverter Duty Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis SWPL,India 2019
    5 MVA , 33/2x0.5 kV , YNd11d11 Inverter Duty Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis SWPL,India 2019
    20 MVA , 33/4x0.75 kV , Dyn11d0d(+15)d(-15),ED(+/-7.5)yn11d0 Induction Furnace Duty Complete Design Package including Electrical & Mechanical Drawings followed by Short circuit Analysis Private,India 2019