• For power distribution in industries
  • For power distribution in rural and urban areas for power need
  • For special power need for machines
  • Optimum efficiency
  • Proportioning of core and winding losses using lamination
  • Electrolyte Grade 99.9% pure copper
  • Transposition in L.V. coil for current sharing in parallel conductor
  • Low temperature rise
  • Low maintenance cost

    Tirupati Transformers Pvt Ltd is a paramount brand in power distribution transformer manufacturers in Delhi, NCR. We produce wide range of Distribution transformer including specific design as per power need and substation network. We have range of transformers from 25KVA to 2500KVA with primary voltage upto 33000V. We, at Tirupati Transformers are working round the clock to present best services which are authentic and trustworthy in every situation. Our products are scrutinized at every parameter under the supervision of experts.

    Rudimentary aim of Tirupati Transformers is to keep healthy relation with its customers thus your satisfaction is our primary target. Distribution Transformer manufactured by us is to maintain optimum efficiency and durable able to withstand extreme voltage pressures. It is used by both individual as well as industrial unit. Our concern at the time of production of distribution transformers is to introduce our product with low maintenance costs and low risk of flammability which makes it  model for any disastrous situation.

    We design distribution transformers and all our other products according to international as well as nationally recognized standards. To perpetuate belief we provide a long service life with high energy efficiency. Materials used are genuine and highly resistant against corrosion. Tirupati Transformer emphasizes the presentation so, we make sure to deliver well finished goods. We work to give our customers an overall experience that does not let down them at any point as customer satisfaction is our leading priority. We have a comprehensive range of Distribution Transformer up to 2500KVA which makes it a befitted alternative for heavy usage.  We make indoor and outdoor services available to the clients as per their requirements. As a leading top 10 distribution transformer manufacturers, we have evolved with modern technologies and can meet various requirements for new installation or replacement.

  • Routine Measurements & Tests
    Routine tests shall be carried out on all transformers conducted accordance with standards as applicable. The following routine measurements and tests shall be carried out:

      • Measurement of winding resistance
      • Measurement of voltage ratio and check of polarity and vector group
      • Measurement of impedance voltages
      • Measurement of load losses
      • Measurement of no load losses and no load current
      • Measurement of harmonics induced overvoltage withstand test
      • Separate source voltage-withstand tests on HV and LV windings
      • Bushing routine tests
      • Oil Leakage Test
      • Relief Device Test
      • Dielectric Routine Tests
      • Galvanizing Tests

  • Fittings and Accessories
    We offer following fittings and accessories with all transformers:

    • Rating & Diagram Plate
    • Earthing Terminals
    • Lifting Lugs
    • MOLG
    • Bottom filter cum drain valve with Plug
    • Top filter valve with Plug
    • Pulling Lugs
    • Flanged Rollers
    • Thermometer Pocket
    • Silica Gel Breather (with silica gel)
    • Pressure Relief Valve
    • Cover Lifting Lugs
    • Inspection Window
    • Air Release Plug

    Some More Optional Accessories are:

    • On Load Tap Changer
    • RTCC Panel
    • Bucholtz Relay
    • Oil Temperature Indicator
    • Winding Temperature Indicator with Trip Contact Marshaling Box
    • HV Termination – Cable Box
    • LV Termination – Cable Box


    Phase Three
    Standards IS1180, IS2026, IEC60076
    Power Ratings 25 KVA to 2500 KVA
    Winding Material Copper & Aluminium
    Tap Switch On Load/Off Load Tap Changer
    Vector Group Dyn11
    Frequency 50 Hz
    Tapping As Per Customer Need
    Type Oil Immersed, Hermetically sealed (Bolted Type)
    Cooling ONAN
    HV and LV Bushings Outdoor/ Indoor Type
    Rated Voltage HV Upto 33 KV
    LV 0.433 V – 0.250 V
    Connection HV Delta
    LV Star ( Neutral Brought Out)

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