Operating environment

•  Altitude: not more than 4000m;

•  Ambient temperature: -40℃~+65℃;

• Relative humidity:not more than 95% (25℃);

•  Installation site:The air does not contain corrosive chemical gases and vapors, and there is no explosive dust;

• Grid frequency: 48~52Hz (50 Hz system), 58~62 Hz (60 Hz system);

•  Applicable to: indoor and outdoor;

• Installation point:Under normal conditions, the neutral point displacement does not exceed 3% of the operating phase voltage.

Parameter

Common specifications, models and technical parameters:6kV,10kV,351<V,66kV transformer neutral grounding resistance parameters

Various resistances can be designed and manufactured according to user requirements, the resistance value ranges from 10 to 20000, and the allowable current IA to 2000A. The error of resistance value is ± 3%. Allow flow time 10s, 15s, 30s, 60s, 2h.