PowerHV-1250kV SF6 Gas insulated AC Test Transformer

Variable frequency resonant system for testing of long HV cables and GIL, for testing of short HV cables and GIS/GIL and for testing of long MV cables are designed for the generation of alternating current (AC) high voltage (HV) by resonant circuits with variable frequency, available of outdoor design. Application: On-site testing of XLPE terrestrial and submarine ca...

On site of Nanjing Substation which is part of 1000kV Huainan-Nanjing-Shanghai EHV project, the standard lighting impulse voltage test is successfully accomplished on 1100kV GIS. 3000kV 300kJ SF6-insualted impulse voltage test system is used to carry out the mentioned test. The test system is manufactured by PowerHV company. It is the first time in the world that EHV GIS...

Three-phase Outdoor DC Test System ±800kV 500mA for high altitude area , at an altitude of 2300 meters location