Power-frequency withstand voltage test on 1000kV gas bushing
| Main Facilities | Outline |
|---|---|
| 4200kV Lightning Impulse Generator | Type:Marx Circuit. Max. storage energy:315kJ. Main capacitor:0.0357µF(1.5µF/42). Max. charging voltage:4200kV. Max. voltage available:3300kV. |
| 2500kV Switching Impulse Voltage Test Facilities | Type:Marx Circuit. Generator:The above 4200kV generator. Max. voltage available:2500kV. Wave forn controlling capacitor:0.0132µF(0.5µF/38). Wave form:(50 - 500) x (2500 - 3000)µs. |
| Steel Towers | Effective height:25m Capable of electrical tests of insulator string assemblies under simulated service conditions. |
