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SPECIALIZED ELECTRICAL BAY

Electrical Workshop & Motor Rewinding

Comprehensive electrical engineering facility specialized in high-voltage & low-voltage electric motor rewinding, alternator rebuilding, computerized dynamic rotor balancing, and surge testing in Lahore.

< 2-Hour Response SLA
24/7 Breakdown Dispatch
NTN Verified
11,000V RATED

Up to 11kV

Voltage Capacity

High-voltage and low-voltage AC/DC industrial machinery rewinding.

Electrical Test Ready
ISO 1940 G2.5

3,000 RPM

Balancing Rig

Computerized dynamic rotor balance eliminating destructive vibrations.

Electrical Test Ready
180°C THERMAL

Class H & F

Insulation Class

High-temperature 180°C+ resin & Nomex slot insulation.

Electrical Test Ready
TEST CERTIFIED

100% Tested

Quality Protocol

Every unit surge, Hi-Pot, megger & micro-ohm resistance certified.

Electrical Test Ready
Specialized Electrical Rewinding

Electric Motor & Generator Solutions

From heavy kiln exhaust fan motors to boiler feed pumps and power alternators, our electrical workshop restores machines to peak operational efficiency.

AC & DC MACHINES

HV & LV Motor Rewinding

Precision coil forming and winding using Class H & Class F insulation materials for heavy industrial motors up to 11kV across cement, paper, and textile mills.

Voltage CapacityUp to 11,000V (11kV) HV
Insulation ClassClass H (180°C) & Class F (155°C)
UP TO 3,000 RPM

Computerized Dynamic Balancing

In-house computerized dynamic balancing of electric motor rotors, blower impellers, turbine shafts, and armatures to eliminate vibrations and ensure bearing longevity.

Balancing SpeedUp to 3,000 RPM Dynamic
Compliance StandardISO 1940 Grade G2.5 / G1.0
100% INSPECTED

Surge & Hi-Pot Dielectric Testing

Every rewound motor undergoes high-voltage insulation tests, micro-ohm resistance tests, and surge comparisons prior to release with certified QA test sheets.

Hi-Pot TestUp to 25kV Dielectric Proof
Surge TestingBaker Automated Surge Comparator
COMPLETE REBUILDING

Industrial Alternators & Generators

Full overhauling, stator rewinding, exciter servicing, rotating diode replacement, and automated voltage regulation (AVR) checks for prime power generators.

Generator OutputUp to 2,500 kVA Prime
Exciter TestingStatic & Brushless Systems
OIL & COIL SERVICING

Industrial Transformer Overhauls

Coil re-insulation, bushing repair, transformer oil vacuum filtration, and dielectric breakdown voltage testing for distribution and furnace transformers.

Oil BreakdownDielectric Test up to 60kV
FiltrationMulti-Stage High Vacuum Dehydration
SPEED & VOLTAGE RETROFITS

Custom Motor Redesign & Uprating

Re-engineering winding schematics to alter operating voltages, increase horsepower, change motor poles/frequencies, or convert dual-speed configurations.

Voltage Retrofit380V to 440V / 3.3kV / 6.6kV / 11kV
Frequency50Hz to 60Hz Re-Calculations
Diagnostics • 100% Tested Verification

Every Rewound Motor Passes Rigorous High-Voltage Surge Tests

We never release a repaired electric motor without documented test results. Insulation resistance (Megger), surge comparison, dielectric Hi-Pot verification, and dynamic balance tolerances are strictly recorded for each job.

Class H & F

High-temperature 180°C+ copper wire & Nomex slot wedges

ISO 1940

Rotor dynamic balancing grade compliance up to 3,000 RPM

Precision motor rotor rewinding
HIGH VOLTAGE ROTOR REWINDING
Repair Lifecycle

Motor Rewinding & Overhauling Process

From core-loss diagnostic testing to dynamic balancing and final Hi-Pot verification.

01

Diagnostic Core-Loss Test

Winding resistance, megger insulation check, and electromagnetic core integrity loop testing.

Phase 01 of 04
02

Precision Coil Forming

Automated coil shaping using dual-enameled copper strips, Nomex slot cells, and phase insulation.

Phase 02 of 04
03

Vacuum Varnish & Baking

Controlled thermal oven pre-bake, vacuum pressure impregnation (VPI), and high-dielectric polymer cure.

Phase 03 of 04
04

Dynamic Balancing & Hi-Pot

Computerized dynamic rotor balancing up to 3,000 RPM followed by certified high-potential voltage tests.

Phase 04 of 04
EMERGENCY BREAKDOWN & REWINDING

Motor or Generator Tripping? We Can Rewind It.

Contact our electrical engineering desk for urgent motor intake or dispatch our technical team to your plant for on-site diagnostic testing.

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