NVF2G-S series is mainly used for variable frequency speed regulation, soft starting, improving operating accuracy, improving power factor, overcurrent, overvoltage, overload protection and other functions of AC asynchronous motors. At the same time, it also has the function of energy conservation and reducing equipment noise.
There are two main types of applicable loads:
1) Constant torque type and universal type.
2) Variable torque type.
3. Technical features
Rated working voltage (V): three-phase 380~440V: 380V(-15%)~440V(+15%)
Power range: 1.5KW~400KW
Output frequency range (Hz): 0Hz-400Hz
Control method: non PG vector control, V/F control
Starting torque: 150% rated torque at 0.5Hz
T type: 150% rated current for 1 minute, 180% rated current for 2 seconds;
F type: 120% rated current for 1 minute, 150% rated current for 2 seconds
Multi speed control: 16 speed control
Analog input: 1）AI1: (0-20)mA, (4-20)mA or (0-10)V, (-10~+10)V 2）calibration function
4. Working conditions
Ambient temperature: (-10~+45) ° C. When using between 45 ° C and 55 ° C, it’s necessary to consider derating. The capacity decreases
by 1% for every 1 ° C increase in temperature;
Relative humidity: (5-95)% R H;
Storage temperature: -25 ° C ~+55 ° C,
If the altitude is above 1000 meters, please reduce the rating by 1% for every 100m increase, but it cannot exceed 3000m;
Indoor use, places that are not exposed to direct sunlight, dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water, or salt,