... users’ technical requirements.2.Two sets of control systems:PWM constant voltage system and three-phase dump load system.3 ... rated power of the wind turbine. In case exceeding of PWM’s capacity, the three-phase dump load will automatically ... panel power9KWFunctionrectifier ,controlOperating environmentTemperature -10-40°C,humidity≤80%PWM constant pressure voltage≥560Vdc3-phase load 1 voltage of the ...