Testing & Commissioning

State of the Art Equipment

Comprehensive Testing Services For Power Transformer Testing & Commissioning

GCP Energy maintains a complete inventory of industry-leading test equipment from the world's premier manufacturers:

OMICRON Electronics - We utilize OMICRON's advanced testing platforms including the TESTRANO 600 three-phase test system, CPC 100 universal primary test set, and comprehensive diagnostic accessories. These cutting-edge systems enable us to perform multiple tests simultaneously, reducing testing time by up to 70% while maintaining laboratory-grade accuracy.

Doble Engineering - Our Doble test equipment portfolio includes the M4000/4100 power factor test sets and specialized diagnostic tools for advanced transformer analysis. These proven systems provide unmatched precision for dielectric testing and condition assessment.

Megger - We deploy Megger's comprehensive range of testing instruments including insulation resistance testers, transformer ratio test sets, circuit breaker analyzers, and ground resistance equipment. Their rugged, reliable instruments deliver accurate results in demanding field conditions. a short description.

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Comprehensive Testing Services For Power Transformer Testing & Commissioning

Transformer Turns Ratio (TTR) Testing - All tap positions, single and three-phase
Winding Resistance Measurement - DC resistance at all taps
Insulation Resistance Testing - Megger testing with Polarization Index (PI) calculation
Power Factor / Dissipation Factor (Tan Delta) Testing
Excitation Current Measurement
Phase Relationship and Polarity

Transformer Turns Ratio (TTR) Testing - All tap positions, single and three-phase
Winding Resistance Measurement - DC resistance at all taps
Insulation Resistance Testing - Megger testing with Polarization Index (PI) calculation
Power Factor / Dissipation Factor (Tan Delta) Testing
Excitation Current Measurement
Phase Relationship and Polarity Verification
Leakage Reactance Testing
Zero-Sequence Impedance Measurement

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Diagnostic & Advanced Testing:

Comprehensive Testing Services For Power Transformer Testing & Commissioning

Diagnostic & Advanced Testing:

Frequency Response Analysis (FRA/SFRA) for winding deformation detection
Dielectric Response Analysis (DRA) for moisture assessment
Partial Discharge Testing
Load Loss and No-Load Loss Measurement
Temperature Rise Testing
Sound Level Measurement

Oil Quality Testing:

Comprehensive Testing Services For Power Transformer Testing & Commissioning

Diagnostic & Advanced Testing:

Dielectric Breakdown Voltage (BDV) Testing
Dissolved Gas Analysis (DGA) Coordination
Moisture Content Analysis
Power Factor of Oil
Interfacial Tension Testing

All Transformer Types Supported

Circuit Breaker Testing & Commissioning

Power Transformers (Distribution through EHV class)
Distribution Transformers
Pad-Mounted Transformers
Dry-Type Transformers
Auto-Transformers
Three-Winding Transformers
Generator Step-Up (GSU) Transformers
Grounding Transformers
Phase-Shifting Transformers
Special Application Transformers

Circuit Breaker Testing & Commissioning

Contact Resistance Measurement
Contact Timing Analysis
Motion Analysis
Coil Current Analysis
Minimum Trip Voltage Testing
Insulation Resistance Testing
SF6 Gas Density Monitor Calibration
Mechanical Operation Counter Verification
Control Circuit Testing

Automatic Transfer Switch (ATS) Testing

Circuit Breaker Testing & Commissioning

Automatic Transfer Switch (ATS) Testing

Contact Resistance Testing
Timing and Sequence Testing
Control Logic Verification
Transfer Time Measurement
Bypass Operation Testing
Insulation Resistance Testing
Load Testing Under Simulated Conditions

Switchgear Testing - Medium Voltage

Circuit Breaker Testing & Commissioning

Automatic Transfer Switch (ATS) Testing

Vacuum Bottle Integrity Testing
Hipot Testing
Primary and Secondary Injection Testing
Insulation Resistance (Megger) Testing
Contact Resistance Measurement
Breaker Timing and Motion Analysis
Protective Device Calibration
Bus Bar Thermographic Inspection
Phase Rotation and Sequence Verification

Protective Relay Testing & Commissioning

Current Transformer (CT) & Potential Transformer (PT) Testing

Overcurrent Relay Testing (50/51, 50N/51N)
Differential Relay Testing (87T, 87L, 87B)
Distance Relay Testing (21)
Under/Over Voltage Relay Testing (27/59)
Under/Over Frequency Relay Testing (81)
Directional Relay Testing (32, 67)
Synchronism Check Relay Testing (25)
Logic and Scheme Testing
Communication Protocol Testing (IEC 61850, DNP3, Modbus)
Settings Verification and Documentation

Current Transformer (CT) & Potential Transformer (PT) Testing

CT Ratio Testing
CT Polarity Testing
CT Excitation (Saturation) Testing
CT Burden Testing
PT Ratio and Polarity Testing
PT Phase Angle Verification
Insulation Resistance Testing
Metering Accuracy Verification

Substation Infrastructure Testing

Current Transformer (CT) & Potential Transformer (PT) Testing

Substation Infrastructure Testing

Ground Grid Resistance Testing
Ground Grid Continuity Testing
Soil Resistivity Testing
Step and Touch Potential Verification
Lightning Arrester Testing
Cable Insulation Testing (VLF/Tan Delta)
Battery System Load Testing
DC Control Circuit Testing
SCADA System Commissioning and Validation

Our Testing Process

Current Transformer (CT) & Potential Transformer (PT) Testing

Substation Infrastructure Testing

Pre-Commissioning Phase

Comprehensive documentation review
Site safety assessment and planning
Equipment calibration verification
Test procedure development specific to project requirements
Coordination with project stakeholders