Generators & Alternators

lectroCore Arabia provides specialized services for generators and alternators, encompassing repair, refurbishment, testing, and performance validation. All activities are executed in full compliance with Saudi Aramco Engineering Standards (SAES), Saudi Electricity Company (SEC) requirements, and applicable IEC/IEEE international standards.

Our capabilities support power generation, oil & gas, industrial facilities, and critical infrastructure, ensuring safe, reliable, and uninterrupted operation of power assets.

Electrical Repairs

Stator & Rotor Rewinding

Complete rewinding using Class F/H insulation systems in line with IEC standards, including coil replacement and insulation upgrades.

Slip Ring & Brush Gear Services

Machining, polishing, and refurbishment of slip rings; replacement and adjustment of carbon brushes and holders.

Excitation System Repairs

Testing, repair, calibration, or replacement of Automatic Voltage Regulators (AVR); inspection and replacement of diodes and rectifiers (PMG systems).

Mechanical Repairs

Bearing Replacement & Servicing

Removal, installation, lubrication, and alignment of bearings in accordance with OEM tolerances.

Shaft Alignment Correction

Precision shaft alignment using laser alignment systems to ensure optimal coupling performance.

Cooling System Repairs

Repair or replacement of cooling fans and restoration of ventilation and airflow systems.

Housing & Structural Repairs

Repair of frames, enclosures, terminal boxes, and structural components.

Electrical Testing Services

All testing activities are carried out using calibrated instruments and in compliance with IEC, IEEE, and SAES testing procedures.

Testing Capabilities

Insulation Resistance (IR) Testing (Megger) – insulation integrity assessment
Polarization Index (PI) Testing – detection of moisture and contamination
Stator & Rotor Winding Resistance Testing – identification of imbalance and faults
High Voltage (Hi-Pot) Testing – dielectric strength verification
AVR Functional Testing – voltage regulation performance verification
Open Circuit Saturation Test (OCST) – magnetic core evaluation
Recurrent Surge Oscillograph (RSO) Testing – inter-turn fault detection
Diode & Rectifier Testing – excitation system validation
Tan Delta & Partial Discharge (TD/PD) Testing – advanced insulation diagnostics

Objective :

To ensure electrical integrity, insulation reliability, and early fault identification, thereby minimizing operational risks and unplanned outages.

Electrical Testing Services

All testing activities are carried out using calibrated instruments and in compliance with IEC, IEEE, and SAES testing procedures.

Testing Capabilities

Load Bank Testing – full-load and step-load performance validation
Vibration Analysis – detection of imbalance, misalignment, and bearing defects
Infrared Thermography – hotspot and overheating detection
Shaft Alignment Verification – precision alignment between generator and prime mover
Bearing Clearance Measurement – monitoring wear and tolerances
Crankshaft Deflection Testing – evaluation of mechanical stresses
Cooling System Pressure Testing – leak detection and system integrity checks
Lube Oil Analysis – detection of contamination and wear particles
Sound Level Testing – compliance with environmental and SEC noise limits

Objective :

To ensure mechanical integrity, operational stability, and compliance with safety and environmental requirements.

Performance Verification & Commissioning

ElectroCore Arabia provides complete performance validation and commissioning services prior to system energization.

Scope of Work :

Functional testing of generator systems
Synchronization checks (where applicable)
Voltage regulation and load response verification
Integration with protection and control systems
Final inspection and commissioning certification
Enhanced lifecycle and performance of critical assets
Expert engineering support with rapid response capabilities

Generators & Alternators