BUSINESS ACTIVITIES – Type Of Electrical Equipment To Be Testing

1. Circuit Breaker
2. GIS Testing
3. Power Transformer
4. Earthing Transformer
5. Neutral Earthing Resistor (NER)
6. Transmission Line
7. Underground Cable

8. Disconnector
9. Current Transformer
10. Capacitive Voltage Transformer
11. Surge Arrester
12. Metal Clad Switchgear
13. Switchyard Installation
14. Capacitor Bank

ESI MALAYSIA

TYPE OF TESTING

– Physical Inspection
– Contact Resistance
– Insulation Resistance
– Timing Test
– Functional Tests
– Insulation Medium Tests
– Local Operation Tests
– High Voltage Partial Discharge
– Insulation Medium Tests
– Local Operation Tests
– Polarization Index and Polarity Test
– Turn Ratio and Ratio Test
– Vector Group
– Impedance Voltage
– Zero Sequence Impedance
– Winding Resistance
– Winding Power Factor
– Excitation Current
– Oil Power Factor
– Leakage Reactance
– Magnetic Balance
– Resistance of NER
– NER Grounding Resistance
– NER Blade Switches
– Auxiliary Contact Alignment & Timing Tests
– Measurement of CT Resistance

– Insulation Power Factor (IPF) Test
– Dielectric Response Measurement
– Capacitive Measurement
– Local Operation Tests
– Vacuum Check
– AC Pressure Test
– CB Timing Test
– Insulation Resistance on busbar
– Earthling Grid Resistance
– Earthling Rod Resistance
– Earthling Grid Resistance
– Earthling Rod for SA & NER
– Temperature Indicator
– Automatic Voltage Regulating Relay (AVR) Tests
– Bushing Power Factor
– Recovery Voltage Measurement
– Sweep Frequency Response Analysis
– Magnetisation Test
– Capacitive Measurement for;
➢ Stack
➢ Phase
➢ Can
– Internal Discharge Resistor Value
– Leakage Current Measurement
– Verification of Oil Winding Temperature
– Verification of thermal image for winding

ESI MALAYSIA

TYPE OF TESTING

  • Electrical and Instrumentation Equipment Supply
  • Engineering, Procurement, Construction and Commissioning (EPCC) of Electrical and Instrumentation Works
  • Electrical and Instrumentation Design and Engineering Consultation
  • Electrical and Instrumentation Works not limited to Installation, Cabling and Wiring Works
  • Electrical and Instrumentation Maintenance, Testing and Calibration
  • DCS/PLC/SCADA Interfacing and Integration Works
  • Supply Skilled and Semi-Skilled Manpower

Electrical and Instrumentation Equipment Supply

  • Pressure Instrument
  • Temperature Instrument
  • Level Instrument
  • Manifolds
  • Control valve
  • Instrument Fittings
  • Exe/Exd Junction Box (SST/Plastic/GRP/Cast Aluminium)
  • Cables and Cable Glands

Engineering, Procurement, Construction and Commissioning (EPCC) of Electrical and Instrumentation Works

Manage, execute and deliver EPCC works including project management from receive of order, kick of meeting until commissioning phase.

ESISB committed delivering good quality work and workmanship throughout of the project

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