SERVICES

We are proud to offer a comprehensive range of services that go beyond traditional electric motor maintenance and rewinding. With our dedication to quality and customer satisfaction, we provide specialized solutions to meet your unique needs.

Rewinding Services

EEI rewinds LV–MV machines up to 15 kV—AC induction, synchronous, DC, pumps, generators, electromagnets, and welding machines. We redesign coils, add VFD-duty upgrades, and finish with VPI for long life.

Coverage and Ratings:

LV–MV motors up to 15 kV; industrial duty (IEC/EASA)
Synchronous motors & generators
DC motors (armatures & fields)
Pumps & submersibles
Electromagnets & welding machines
Transformers

Materials & Methods:

Random-wound and form-wound coils
Class F/H insulation with Nomex®/mica systems
VPI (vacuum pressure impregnation) or dip-and-bake finishes

Deliverables:

Reliable rewinds with improved insulation life
Coil redesign or VFD-ready upgrades when required
Warranty on rewinding and installed parts
Priority turnaround for critical equipment
Fully redesign to achieve better performance if needed

3.1 MW 11kV Synchronous motor maintenance

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Motor Testing and Analysis

Our expertise extends to comprehensive motor testing and diagnostics, ensuring every motor operates safely and reliably. We perform:

Surge Test - Detects weak insulation and turn faults.
Phase Line-to-Line Test - Verifies balance and winding integrity.
Insulation Resistance Test - Confirms protection against breakdowns.
Turn to Turn Test - Identifies internal coil shorts.
Leakage Current Testing - Measures insulation performance under stress.
Polarization Index (PI) Test - Evaluates long-term insulation health.
DC High-Potential (Hi-Pot) Test - Applies elevated voltage to verify insulation withstand capability.
No-Load / Run Test - Runs the motor after maintenance to check vibration, noise, and smoothness.
Resistance Balance Test - Ensures equal resistance across all phases.
Interlaminar Insulation Test - Detects insulation failure between core laminations that could cause hot spots and core losses.
Phase Balance Test - Confirms electrical symmetry by ensuring equal current and voltage across all motor phases.

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Dynamic Balancing

Our commitment to optimal motor performance extends to dynamic balancing. We perform:

Precision balancing for impellers, rotors, fans, and turbines.
up to 10 tons, 8 m length, 2 m diameter, 5000 rpm.

Safe and powerful bearing & coupling removal made easy

Using Induction heater to install mechanical parts

Mechanical Parts Installation and Maintenance

Our technicians use induction heating to ensure proper, standard-compliant fits with minimal stress during bearing installation, and a specialized extractor for safe removal of even large bearings, or couplings. This meticulous process extends bearing lifespan and enhances motor reliability.

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Frequently Asked Questions

Do you provide on-site services?

Yes. Depending on the job, our technicians can perform on-site inspections, testing, and minor repairs, while larger jobs may be handled at our fully equipped facility.

Do you offer warranties on your services?

Yes. We provide warranties on rewinding, repairs, and installed parts to give you confidence in the durability of our work.

How do you ensure quality and reliability in your work?

We follow international standards (such as IEC/EASA practices), and use advanced equipment for testing, rewinding, and balancing. Every job undergoes strict quality checks before delivery.

How do I know if my motor needs rewinding or replacement?

Our testing process identifies issues like insulation breakdown, winding faults, and efficiency loss. Based on results, we recommend the most cost-effective solution, whether rewinding, repair, or replacement.