High Voltage Testing and commissioning

• Protection relay programming and testing.
• Generator testing and commissioning.
• Protection studies and grading.
• Switchboard testing and commissioning including GIS.
• Protection scheme testing, primary and secondary including differential and distance.
• Transformer testing, oil sampling, oil filtering.
• HV cable testing including VLF.
• Partial discharge testing.
• Thermal imaging.
• Full functional scheme testing of any high or low voltage installation.
• Transmission systems and substation commissioning.
• CT and VT testing.
• Earthing system testing.
• Step and touch potential testing.
• Equipotential rise testing and reporting.
• Soil Resistivity Testing using Wener 4 probe method.
• Solar Farm testing, including String test, IV Curve testing, Inverter cold and hot
commissioning, PCU HV testing, switching and energisation, load testing.
• Test equipment hire long or short term.
• Circuit breaker, Transformer, Switchgear maintenance and repairs.
• Transformer tan delta testing.
• SF6 Gas filling and analysis.
• Remote end-to-end secondary injection testing.
• Automatic transfer scheme testing.
• TX diff and REF primary injection testing.
• Remote job specific test plan / file design, HV procedures, testing procedures,
switching procedures, work method statements and ITP’s.