GIS Partial Discharge Free AC Withstand Voltage Test System, Gas Insulated High Voltage Test Transformer for GIS Switchgear and GIL Testing

The Partial Discharge Free AC Withstand Voltage Test System is designed to provide high-voltage AC testing with very low internal PD background.

This type of system is particularly useful when the test itself requires sensitive partial discharge measurement.

Gas-insulated test transformer configurations are used in the market for GIS and other high-voltage equipment, with manufacturers emphasizing compact structure, low PD background and integrated components.

• Low PD background
• AC withstand testing
• Partial discharge measurement
• GIS insulation testing
• GIL testing
• Automatic voltage regulation
• Digital measurement
• Protection system
• Test data storage
• Automatic test report

• GIS factory testing
• GIS routine testing
• GIS type testing
• GIS substation commissioning
• GIL testing
• Transformer testing
• Switchgear testing
• Bushing testing
• Insulator testing

PD-free system vs ordinary AC test system

For ordinary withstand testing, output voltage is the main concern.

For combined withstand + PD testing, the test system itself must generate sufficiently low interference so that small PD signals can be detected.