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Testing & Commissioning Services

We provide measuring, monitoring, testing and commissioning of electrical systems & equipment for power, water and infrastructure projects.

HIGH VOLTAGE EQUIPMENT TESTING

We offer testing and commissioning services for HV and MV, primary plants and equipment’s, power transformer, cables and earthing systems.

Our site tests include:

  • Thermal imaging
  • Power and quality measurements

LOW VOLTAGE TESTING 240V - 415V

  • Wiring continuity
  • Insulation resistance
  • Earth continuity
  • Polarity
  • Earth resistivity
  • Performance

INSTRUMENTATION & CONTROLS

Process control network

  • Pumps & motors
  • Chemical feed systems
  • Motorized valves
  • Controls for process equipment's

DISSOLVE GAS ANALYSIS

  • Test transformer oil to analyze all 7 fault-gases and water content
  • Hydrogen
  • Carbon monoxide (CO)
  • Carbon dioxide (CO2)
  • Methane
  • Ethane
  • Ethylene
  • Acetylene and Moisture (H2O)

POWER TRANSFORMER

  • DC winding resistance
  • Vector group
  • Transformer turns ratio (TTR)
  • Demagnetization
  • Leakage reactance / short circuit impedance
  • Transformer, bushing, power / dissipation factor & insulation capacitance
  • Tan Delta
  • Frequency response of stray losses (FRSL)
  • Surge Arrestors: leakage current and watt losses

GAS-INSULATED SWITCHGEAR TESTING

  • Withstand test
  • Measurements
  • Transformer turns ratio (TTR)

VOLTAGE TRANSFORMER (VT)

  • Ratio
  • Burden
  • Secondary voltage withstand test
  • Polarity check

CURRENT TRANSFORMER (CT)

  • Ratio (with burden)
  • Burden
  • Excitation curve
  • Polarity check
  • Ratio with voltage
  • Winding resistance
  • Demagnetisation and remanence
  • Voltage withstand test

GROUNDING SYSTEM TESTING

  • Ground grid impedance for large systems Step and touch voltage
  • Ground grid impedance for small systems Soil resistivity
  • Integrity check of grounding connection
  • Reduction factor / current split factor
  • Measure multiple current paths with Rogowski coil

SWITCHGEAR AND CIRCUIT BREAKER TESTING

  • Contact resistance
  • Bushing: Tan Delta
  • Circuit breaker: Tan Delta
  • Insulating fluids: Tan Delta
  • Polarity
  • Primary injection

Testing & Commissioning - Equipments

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