competitive price 250KW variable speed drive converter wind turbine generator frequency converters 50hz to 60hz

Item

Specification

Rated voltage /frequency

Three phase 380~440V  50Hz/60Hz

Allowed fluctuation

Voltage: +10% ~ -15%;   Frequency: ±5%

Output voltage

Three phase  0~380V

Output frequency

0~400.00Hz

Overload capacity

150% of rated current – 1Min

Control mode

V/F control, V/F control with PG, Vector control, Vector control with PG

LCD display

Six languages for option: Chinese, English, Russian, German, French, Spanish

Starting torque

180%  1Hz (200%,0Hz in the mode of vector control with PG)

Speed control range

1:100  (1:1000 in the mode of vector control with PG )

Speed control accuracy

±0.2% (±0.02% in the mode of vector control with PG )

Speed response

5Hz  ( 30Hz in the mode of vector control with PG )

Torque control accuracy

±5%

Torque response

20Hz  ( 40Hz in the mode of vector control with PG )

Frequency control range

0.1~400Hz

Frequency accuracy

Digital command: ±0.01% (-10°C~ +40°C);

Analog command: ±0.1% (10°C~ 25°C);

Frequency reference resolution

Digital command: 0.01Hz;

Analog command: 0.03Hz / 60Hz

Frequency reference signal

-10V~+10V;  0~+10V (20KΩ);  4~20mA

Output freq. resolution

0.01Hz

Communication

RS485 interface: 485+, 485- (MODBUS Protocol)

Acc/Dec time

0.01 ~ 6000s

Braking torque

20% (up to 150% for models with inbuilt braking function and external braking resistor)

Voltage/Frequency characteristics

15 kinds of Voltage/Frequency characteristics for option;

And user can set V/F characteristics all by themselves.

Protection function

Overvoltage, undervoltage, overload, overheat, stall, grounding fault, charging protection. etc

Ambient temperature

-10°C ~ +40°C. Deration above 40°C

Humidity

20~90%RH, non-condensing

Protection rating

IP20

Cooling mode

Forced air cooling