Santej, Ahmedabad, Gujarat, India CE-Marked Transformers for Export
Serving OEMs & Projects Worldwide
Manufacturing Infrastructure and Testing Facility

Infrastructure

Manufacturing Strength

Engineered for Global Reliability

Spanning over 5,500 m² in Santej, Ahmedabad, our vertically integrated plant is engineered to support precision manufacturing, high dielectric integrity, and repeatable quality across every unit.

Fabrication & Winding

Precision Production Facility

Our production floor operates under rigorous ISO quality systems, integrating automated winding technologies, custom tooling, and specialized cleanroom zones to produce dry type and cast resin transformers up to 5000kVA.

  • Controller-based automatic winding machines
  • Heavy duty layer & strip winding equipment
  • Dedicated dust-free winding zone
  • Vacuum Pressure Impregnation (VPI) varnish plant
  • Epoxy resin vacuum mixing & pouring system
  • Precision brazing & TIG/MIG welding
  • Fully equipped in-house tool room & fabrication shop
  • Extensive raw material & finished unit storage

VPI & Vacuum Casting Expertise

Our VPI chambers ensure deep, void-free resin penetration for superior mechanical strength and moisture resistance, meeting challenging environmental conditions globally.

Prima Transformers production floor and winding line
Quality Assurance

Comprehensive Testing Laboratory

Every transformer, reactor, and filter undergoes comprehensive routine and functional testing before leaving our shop floor, ensuring total compliance with CE, IEC, and IS standards.

  • Automatic computerized 1-phase & 3-phase test panels
  • Computerized open-circuit & short-circuit (OC/SC) facility
  • Dedicated Current Transformer (CT) testing panel
  • Double Voltage Double Frequency (DVDF) setup
  • High-voltage dielectric strength & Megger testers
  • Precision digital LCR & micro/milli-ohm meters (25V AC/DC)
  • Infrared thermographic temperature indicator
  • Calibrated noise level & acoustic sensors

Traceable Calibration & Digital Test Reports

Our computerized test bench generates automated, tamper-proof test records with full parameter verification, supplied with every dispatch for turnkey customer audits.

Computerized testing station and quality inspection
Standard Compliance

Quality Control Benchmarks

Strict quality assurance protocols govern every phase of manufacturing, from incoming silicon steel and copper inspection to final dielectric verification.

Raw Material Testing

100% verification of core loss in CRGO laminations, electrical-grade copper purity, and insulation grade resins.

Dielectric Strength

High voltage withstand tests and induced overvoltage validation (DVDF) to eliminate internal winding flaws.

Temperature Rise

Infrared thermal monitoring ensuring class-leading thermal margins under continuous rated load conditions.

Routine Test Reports

Comprehensive test documentation supplied with every production batch to streamline international customs and onsite sign-off.

Ready to Inspect Our Capabilities or Request Technical Specifications?

Download our complete technical catalog detailing our production metrics, testing routines, and custom magnetic engineering capabilities.

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