Conductor coil process
Silver brazing and high quality joints
Conductor coil joints use controlled brazing practices, densified wood insulation support and acrylic nut bolts for reliable transformer assembly.
Manufacturing Infrastructure
In-house control from coil to dispatch.
PVJ Power manufactures transformers, compact substations and panels through integrated production, fabrication, finishing and testing facilities.
PVJ Power
Since 2010
PVJ Power Equipment
Manufacturing Infrastructure
Transformer, compact substation and panel solutions manufactured for reliable electrical distribution.
Plant Walkthrough
PVJ Power manufacturing plant video.
A quick look inside the production, fabrication and testing infrastructure used for transformer and power distribution equipment manufacturing.
Transformer Manufacturing
Core transformer manufacturing stages are handled inside PVJ's plant.
Copper and aluminium foil
Fully automatic foil winding
Automated LV coil winding handles foil up to 1200 mm width with de-burring, edge bending, cutting and programmable HMI control.
9000 sq. ft. working area
In-house CRGO slitting and cutting
CRGO is processed from imported mother coils as per BIS norms to improve throughput time and quality control.
Custom transformer parts
Insulation and gasket CNC shop
Core ladders, spacers, blocks, coil rings and gaskets are produced in-house for faster lead times and stricter inspection.
Experienced transformer team
Highly skilled manufacturing manpower
PVJ Power uses trained manpower with extensive transformer manufacturing experience across winding, assembly, fabrication and finishing stages.
Fabricated and pressure tested
In-house tank fabrication
Transformer tanks are fabricated in-house by a certified welding team and supported by pressure testing before further assembly and finishing.
Transformer coil strengthening
Coil compression and ovening
Transformer coils are packed, compressed and ovened after winding to provide mechanical strength and dimensional stability.
Controlled transformer finishing
Paint room
The paint room is designed for controlled airflow, dust-free operation, proper curing and consistent transformer coating quality.
CSS & Panel Manufacturing Prowess
Compact substation and panel manufacturing is backed by in-house design, fabrication and finishing.
In-house engineering
CSS and panel electrical design
Electrical layouts, protection schemes, busbar sizing and integration details for CSS, LT panels and HT panels are coordinated by PVJ Power engineering teams.
Enclosure and assembly planning
CSS and panel mechanical design
Mechanical design covers enclosure layout, ventilation, access doors, gland plates, foundation interface and serviceability for packaged substations and panels.
Precision sheet metal fabrication
CNC laser cutting
CNC laser cutting supports accurate MS and sheet metal parts for compact substation enclosures, LT panels, HT panels and transformer tank fabrication.
Repeatable enclosure geometry
CNC bending
CNC bending improves repeatability in panel doors, covers, canopy parts, base channels and enclosure sections for consistent assembly quality.
16,000 sq. ft.
Fabrication shop
Compact substation enclosures, LT panels, HT panels, dry type canopies and transformer tanks are fabricated using CNC laser, plasma and MIG welding equipment.
Corrosion resistance
9 tank treatment and powder coating
Degreasing, de-rusting, phosphating and passivation support strong coating adhesion before powder coating for long-term corrosion resistance.
Durable finish
PP quality powder coating
Panel and CSS fabricated parts receive a durable powder coated finish designed for reliable outdoor and industrial service conditions.
Surface profile control
Shot blasting and coating preparation
Shot blasting prepares the surface profile before coating, helping fabricated equipment achieve durable finish quality and better paint performance.
Process Control
Manufacturing systems designed for quality and delivery.
PVJ Power Equipment
PVJ Power manufacturing systems
Transformer, compact substation and panel solutions manufactured for reliable electrical distribution.
End-to-end process control
ERP-based manufacturing
PVJ uses customized ERP software to manage transformer and product manufacturing for efficiency, delivery tracking and cost control.
WPS, PQR and WPQ
Certified welding process
Tank fabrication welding follows Section IX ASME Boiler and Pressure Vessel Code procedures.
1,20,000+ sq ft covered manufacturing area
3000 MVA annual transformer manufacturing capacity
The Nalagarh plant is equipped with manufacturing and testing facilities for large-scale transformer production.
Frequently Asked Questions
Frequently Asked Questions
Which products are manufactured by PVJ Power?
PVJ Power manufactures oil type transformers, dry type transformers, compact substations, skid-mounted substations, HT panels, LT panels and servo voltage stabilizers.
Which manufacturing processes are handled in-house?
PVJ Power presents in-house capability for transformer winding, CRGO processing, insulation parts, CNC laser cutting, CNC bending, fabrication, shot blasting, painting, powder coating, assembly and testing support.
Does PVJ Power support inspection before dispatch?
Yes. PVJ Power supports pre-dispatch inspection, routine testing, documentation and customer or third-party inspection coordination as required by the order.
Why does in-house manufacturing matter?
In-house manufacturing improves control over quality, lead time, process traceability and responsiveness when project drawings, testing documents or dispatch schedules need coordination.