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Test Services

  • Performance Test
  • Battery Discharge Test
  • Battery Conductance Test
  • Protection Relay Calibration Test
  • Tested Annual Available Capacity (TAAC) Test
  • Current Transformer (CT) and Voltage Transformer (VT) Testing & Analysis
  • Transformer Guard Test
  • Protection Relay Rehabilitation and Installation
  • Energy Meter Verification
  • GPS Time Stamping
  • Transformer Stability Test
  • Malaysia Grid Code Test

Electrical Diagnostic Services

  • Electrical Core Imperfection Detection (ELCID) Test
  • Stator End Winding and Rotor Body Visual Inspection
  • Winding Resistance Test
  • Stator / Rotor Conductor / Insulation Resistance (IR / PI) Test
  • Wedge Tightness Detector (WTD)
  • DC Hipot Test up to 70kV
  • AC Hipot Test up to 25kV
  • Recurrent Surge Oscillograph (RSO) Test / Voltage Drop Test
  • Online Partial Discharge (PD) Measurement
  • Offline Partial Discharge (PD) Measurement up to 25kV
  • Online PD Continuous Monitoring Systems
  • Offline Tangent Delta Measurement up to 25kV
  • Cable Tangent Delta and PD Testing
  • Offline Electromagnetic Interference (EMI) Scan of Electrical Plant (Isolated Phase Bus (IPB), Stator, etc)
  • Offline Corona Probe Scanning for Generator IPB
  • Electrical Signature Current Analysis

Mechanical Diagnostic Services

  • Vibration Measurement and Analysis on Turbomachinery and Auxiliary Equipment
  • In-situ Balancing
  • Vibration Probe Verification
  • Bump Test and Modal Analysis
  • Non – Destructive Testing (Penetrant Testing, Magnetic Particle Testing, Ultrasonic Testing)
  • Thermography Inspection
  • Acoustic Ultrasound Inspection
  • Borescope Inspection
  • Condition Based Monitoring (Vibration, Thermography Ultrasound)

Calibration Services

  • Process Instrument Calibration (Pressure, Temperature, Flow)
  • Dissolved Gas Analysis
  • Control and Instrumentation Upgrading

Electrical Workshop Transformer Routine Maintenance

  • Transformer Servicing
  • Transformer Oil Filtration
  • Installation and Dismantling of Transformer and Auxiliaries
  • Retrofitting of Transformer

Rotating Electrical Equipment Repair And Maintenance Services

  • Rewinding / Overhaul / Alignment of Motors and Generators
  • Motor Testing and Analysis
  • Motor and Generator Commissioning
  • Bearing Inspection Works
  • MV/LV Motor Surge Test
  • Dynamic Balancing Works
  • Drying Oven Rental Services

Transformer Test

  • Insulation Resistance Test
  • Winding Resistance Test
  • Excitation Current Test
  • Turn Ratio Test
  • Tan Delta Test
  • Frequency Response Analysis Test
  • Dynamic Resistance Measurement on OLTC
  • Frequency Dielectric Spectroscopy Test
  • Acoustic Partial Discharge Test

Breaker Maintenance And Testing

  • Servicing Works up to 33kV
  • Vacuum Integrity
  • High Potential Test
  • Insulation Test
  • Contact Resistance Test
  • Breaker Supply, Commissioning and Refurbishment

Diesel Generator

  • Overhaul and Troubleshooting

Insulated Phase Bus Duct (IPB)

  • Supply and Servicing
  • Offline PD Testing

Test And Diagnostic Services

Mechanical and Electrical Testing, Diagnostics, Calibration, and Analysis Services
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TNB Repair And Maintenance Sdn. Bhd.

Level 23A PJX-HM Shah Tower,
No. 16A, Persiaran Barat,
46050 Petaling Jaya, Selangor, Malaysia.