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Technical Service Specification

Complete Testing & Commissioning for HV, MV, LV & Transformer Systems

TESTING & COMMISSIONING (GIS & AIS SUBSTATIONS)

Switch Energy Solutions (SES) provides comprehensive Testing & Commissioning (T&C) services for GIS and AIS substations, ensuring safe energization, reliable operation, and full compliance with IEC/IEEE standards. Our engineers bring deep field experience across utilities, industries, EPCs, and OEM environments, enabling us to deliver precise, dependable, and documentation-rich commissioning support.

Testing desks, primary secondary injections instrumentation units, and multi-pin terminal verification layouts

GIS Substation Testing & Commissioning

Static verification loop configurations:

  • GIS bay testing
  • Primary injection testing
  • Secondary injection testing
  • Interlocking & functional checks
  • SF₆ gas quality verification
  • Control & protection scheme validation
  • SCADA integration

AIS Substation Testing & Commissioning

Air loop validation protocols:

  • Circuit breaker testing
  • Isolator & earthing switch checks
  • CT/VT testing
  • Busbar continuity & integrity checks
  • Protection relay testing
  • Control wiring verification
  • Panel functional testing
  • Substation energization

Transformer Testing & Commissioning

We perform complete transformer diagnostics:

  • Insulation Resistance (IR)
  • Winding Resistance (WR)
  • Turns Ratio (TTR)
  • Tan Delta
  • Vector group verification
  • Oil BDV testing
  • Magnetization & polarity checks
  • Cooling system checks

HV/MV/LV System Testing

We perform complete transformer diagnostics:

  • HV AC/DC testing
  • MV/LV switchgear testing
  • Cable testing & fault identification
  • Earth resistance testing
  • Functional & interlock checks

Protection System Testing

Advanced logic execution diagnostics:

  • Relay configuration & parameterization
  • Primary & secondary injection
  • Scheme testing (Overcurrent, Earth Fault, Differential, Distance, etc.)
  • Trip circuit verification
  • Breaker failure logic testing
  • Synchronization checks

SCADA, Automation & Communication

Data and bus communications setup:

  • I/O mapping
  • Communication protocol testing (IEC 61850, Modbus, DNP3)
  • HMI integration
  • End-to-end system validation
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