Environment: • Maximum Altitude 1000 m • Altitude increases 100m, and rated voltage lowers 1% • Operation temperature of HV component 3℃～ + 45℃ • Relative humidity of HV component(Non condensing) 95 % • Operation temperature of electrical component 10℃～ + 45℃ • Relative humidity of electrical components (Non condensing) 80 % • Storage and transport temperature 20℃～ + 60℃ • Anti-seismic 8 grade • Grounding resistance <1.0 • No dust Main technical parameter: • Rated voltage:1.0kV ～ 1500kV（and above） • Rated capacity: 1.0kVA ～ 1500kVA（and above） • Noise：65dB（2m away from equipment） • PD level: 80% of rated voltage, PD2pC(or smaller as users required) • Operation duty : at rated capacity, 1 hour on, 1hour off, 3-6 times one day; Continuously working at 50% of rated capacity(Or other duration according to test requirement)