Transformer Manufacturing Machinery Directory
The structured procurement directory of equipment for electrical transformer manufacturing — from CRGO core cutting lines and high-voltage winding machines to vapour-phase drying ovens and high-voltage impulse test bays.
400 kV / EHV Power Transformer Plant: Process & Machinery Roadmap
Setting up an EHV (400 kV–765 kV) power transformer plant requires a coordinated chain of specialized manufacturing equipment across 6 core shop-floor processes:
GEORG precisioncut TBA Step-Lap Line
Capacity / Range: Strip width up to 1,000 mm, strip thickness 0.18 - 0.35 mm
Application: Distribution & Power Transformers (up to 1,200 MVA)
Proven Reference Base: 500+ global transformer plants
- High-speed precision cut-to-length with minimal burr (<0.02 mm)
- Integrated 7-step step-lap cutting for lowest core loss and noise
- Automatic sheet thickness measurement and loop control
Tuboly-Astronic ECC Core Cutting Line
Capacity / Range: Strip width 40 - 450 mm (distribution) up to 850 mm (power)
Application: Distribution & Medium Power Transformers
Proven Reference Base: 350+ machines operating worldwide
- High precision Swiss-engineered cutting heads
- Compact footprint with automated log-stacking
- Direct CAD link for core geometry import
Tuboly-Astronic FMT Foil Winding Machine
Capacity / Range: Foil width up to 1,600 mm, strip thickness 0.2 - 3.0 mm
Application: Distribution & Dry-Type Cast Resin Transformers
Proven Reference Base: 400+ installed units
- Edge-guiding ultrasonic tracking system for zero edge burr offset
- Constant foil tension control across entire winding cycle
- High-precision busbar lead welding station
GEORG precisioncut High-Precision Slitting Line
Capacity / Range: Master coil width up to 1,250 mm, thickness 0.18 - 0.35 mm
Application: CRGO Service Centres & Large Transformer Core Shops
Proven Reference Base: 150+ operational lines worldwide
- CNC high-rigidity slitting shear arbor
- Minimal burr formation (< 0.01 mm) preserving CRGO magnetic properties
- Low-tension recoil system to prevent edge distortion
HEDRICH Vapour-Phase Drying System (VPD)
Capacity / Range: Autoclave volumes up to 800 m³, active parts up to 500 tonnes
Application: Large Power Transformers (LPT) & EHV/UHV Transformers
Proven Reference Base: 300+ systems in tier-1 transformer factories globally
- Deep thermal penetration into thick pressboard cylinders and winding assemblies
- Solvent recovery system with >99% kerosene reclamation efficiency
- Real-time residual moisture and desorption monitoring
MICAFLUID VOP Mobile Transformer Oil Purification Plant
Capacity / Range: Flow rates from 1,000 L/h to 15,000 L/h
Application: Factory Oil Filling & On-Site Grid Transformer Commissioning
Proven Reference Base: 1,200+ plants supplied in 80+ countries
- Advanced vacuum column with patented dispersion system
- Particulate filtration down to 0.5 micron (micro-glass filters)
- Weatherproof containerized or trailer configuration for substation deployment
HAEFELY SG Series Lightning & Switching Impulse Generator
Capacity / Range: Voltages up to 3,200 kV, energy ratings up to 320 kJ
Application: Factory Routine, Type & Special Impulse Testing on Power Transformers
Proven Reference Base: 800+ test bays worldwide
- Automatic sphere gap adjustment and resistor selection
- Integrated chopping gap for front and tail chopped impulse waves
- Direct optical link to digital impulse analysis station with fault detection algorithms
HAEFELY TMS Transformer Loss Measuring System
Capacity / Range: Test voltages up to 100 kV, currents up to 2,000 A (expandable with CT/PT)
Application: Power & Distribution Transformer Factory Routine & Acceptance Testing
Proven Reference Base: 450+ transformer manufacturer test bays
- Unmatched measurement accuracy under low-power-factor conditions (core & copper loss)
- Automated temperature correction to 75°C / 85°C standard reference temperatures
- Automated report generation compliant with international utility standards
LAE LF Series Corrugated Fin Wall Production Line
Capacity / Range: Fin height 50 - 400 mm, sheet width 400 - 1,600 mm, thickness 1.0 - 1.5 mm
Application: Distribution Transformer Corrugated Tanks (Hermetically Sealed)
Proven Reference Base: 200+ production lines worldwide
- Simultaneous folding and embossing for increased heat-dissipation stiffness
- Automated spot and seam welding stations with zero oil leakage tolerances
- Servo-driven folding motion for high cycle speed and energy efficiency
LAE TOV Series Vertical Winding Machine
Capacity / Range: Max coil weight up to 25 tonnes, diameter up to 3,000 mm, height up to 4,000 mm
Application: Large Power Transformers (HV Disc & Helical Windings)
Proven Reference Base: 120+ power transformer plants
- Hydraulic lifting work platform synchronized with coil height advancement
- Pneumatic clamping and pre-tensioning units for tight winding packing
- Eliminates coil sag during heavy power winding fabrication
Weidmann Component Machining CNC Center
Capacity / Range: Machining envelope up to 4,000 mm x 2,500 mm x 800 mm
Application: Pressboard Cylinders, Angle Rings, Spacers & Winding Support Blocks
Proven Reference Base: Proprietary & licensed equipment in global insulation facilities
- Clean, burr-free chamfering and bevelling of electrical grade pressboard
- High-precision dovetail slot cutting for winding spacer strips
- Maintains dielectric cleanliness standards required for EHV insulation kits
Phenix Variable Frequency Resonant Test System (RTS)
Capacity / Range: Test voltages up to 800 kV, reactive power up to 10 MVA
Application: High-Voltage Factory Applied AC & Induced Overvoltage Testing
Proven Reference Base: 300+ systems in North America, Europe and Asia
- Ultra-low partial discharge noise level (<2 pC) enabling sensitive PD diagnostics
- Lightweight modular reactor design suitable for factory test bays and on-site testing
- Fully automated tuning to resonance and dwell timing
De Angeli CTC Transposition & Paper Lapping Line
Capacity / Range: Number of strands 5 to 73, strip width 3 - 12 mm, thickness 1.0 - 3.5 mm
Application: Power Transformer Windings & EHV Shunt Reactors
Proven Reference Base: 80+ global wire and transformer plants
- Zero-scraping transposition mechanism preserving delicate enamel coating
- Constant-tension concentric paper tapping heads with broken-tape detector
- Online dimensional laser monitoring of finished cable bundle
Menk Automated Transformer Panel Radiator Line
Capacity / Range: Radiator element width 300 - 520 mm, length up to 4,000 mm
Application: Cooling Systems (ONAN/ONAF/OFAF) for Distribution and Power Transformers
Proven Reference Base: 100+ global radiator production facilities
- Integrated embossing and oil header pipe joining
- Zero leakage precision seam welding
- Pre-treatment preparation for hot-dip galvanizing and C5-M marine epoxy coating
HIGHVOLT impulse and AC test systems
Capacity / Range: As published by the manufacturer — not independently rated here
Application: Power and distribution transformer factory test bays
Proven Reference Base: Not independently counted
- Official product line listed on the manufacturer website
Hipotronics high-voltage test systems
Capacity / Range: As published by the manufacturer — not independently rated here
Application: Factory and field dielectric testing
Proven Reference Base: Not independently counted
- Official product line listed on the manufacturer website
Aumann winding systems
Capacity / Range: As published by the manufacturer — not independently rated here
Application: Coil and winding production
Proven Reference Base: Not independently counted
- Official product line listed on the manufacturer website
PINK vacuum drying plants
Capacity / Range: As published by the manufacturer — not independently rated here
Application: Active-part drying before tanking
Proven Reference Base: Not independently counted
- Official product line listed on the manufacturer website
Broomfield transformer winding machines
Capacity / Range: As published by the manufacturer — not independently rated here
Application: Distribution and power winding shops
Proven Reference Base: Not independently counted
- Official product line listed on the manufacturer website
Soutec core and tank welding systems
Capacity / Range: As published by the manufacturer — not independently rated here
Application: Core and tank fabrication
Proven Reference Base: Not independently counted
- Official product line listed on the manufacturer website