Industrial Motor Precise Speed Control Inverter 4kW
VFDs Model
Power Rating
Input Voltage
Output FREQ
Type
GK800 series
0.4kW-630kW
208V~690V
0.00-600.00Hz
DC/AC to AC inverters
Advantages
Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and management team, GTAKE frequency inverters are equipped with advanced features, some of which are listed as below:
01
Starting torque:
180% at 0.25Hz
(sensor-less vector control 2),
200% at 0Hz
(closed-loop vector control);
Speed adjustable range: 0-50Hz: 1:200 (sensor-less vector control 2),
1:1000
(
closed-loop vector control
)
;
Torque response: less than 10ms (sensor-less vector control 1&2), less than 5ms (closed-loop vector control);
Over load capability: 150% 1minute, 180% 10 seconds, 200% 0.5 second, once every 10 minutes;
Output frequency: 0.00-600.00Hz, or customized like 1MHz;
Abundant frequency setting sources;
DC brake start frequency: any frequency in the range of 0Hz to 600.00Hz;
Diverse input and output terminals;
Ambient temperature:
-10°C~50°C
;
High precise torque limit, process PID control, simple PLC, wobble frequency control, mechanical brake control, field weakening control, all-side protection, etc.
Online and offline auto-tuning both available;
Extreme short-time acceleration can be operated without trip, such as 0.1s from 0Hz to 50Hz.
Features
Mains Supply (R/L1,S/L2,T/L3)
Supply voltage
208-240V ±10% 380-480V ±10%
Power source frequency
50 / 60 Hz
±5%
Displacement power factor (cos φ)
(> 0.98)
Output Data (U, V, W)
Output voltage / frequency
0-100% of supply voltage / 0.00-600.00 Hz or customized
Ramp time
0.01-60000 S
Digital Input
Programmable digital inputs
7 (local), 9(extensible)
Logic
NPN or PNP
Voltage level
10 - 30V
Pulse input
1 (X7/DI)
Analog Input
Analog inputs
3 (local), 4 (extensible)
Modes
Voltage or current
Level
0 to +10V, -10V to +10V, 0/4 to 20 mA (scalable)
Automatic correction
YES
Digital Output
Programmable digital outputs
2
Voltage level at digital output
0 - 24 V
Programmable pulse outputs
1
Pulse output max. output frequency
50.0 kHz
Analog Output
Programmable analog outputs
2 (local), 4 (extensible)
Voltage range / current range
0 - 10 V / 0 - 20 mA
Relay Output
Programmable relay outputs
2 (local), 4 (extensible)
RA - RB / TA - TB
Normally close
RA - RC / TA - TC
Normally open
Contact capacitance
250 V AC / 3A, 30 V DC / 3 A
Terminal 485 Interface
485+ / 485-
Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500 m
GND
Isolated from COM
Ambient
Vibration
Less than 5.9 m/s² (0.6g)
Humidity
Relative humidity 5% - 95 %. No condensation
Corrosive environment
3C3
Ambient temperature
-10 - 50 ºC
Altitude
0 - 2,000 m
Rated output current derated 1% every 100 m above 1,000 m
Storage temperature
-40 - +70 ºC
Efficiency
Efficiency At rated amps:
7.5kW and below: ≥93%
11 - 45kW: ≥95 %
55kW and above: ≥98 %
IP grade
IP20
Cooling method
Forced air cooling
Fieldbus Communication
Modbus RTU, Modbus ASCII
Built-in
Profibus DP, CAN, CANopen, etc.
Optional
Applications
Hoist
Cranes
Drawbench
Oil well pumping unit
Corrugated paper production line
Injection molding machine
CNC turning lathe
More
Performance
Common brands
GTAKE
Applicable motors
Asynchronous motors
Asynchronous /synchronous motors
Starting torque
Speed adjustable range
1:100 (SVC), 1:1000 (VC)
1:200 (SVC), 1:1000 (VC)
Ambient temperature (no derating required)
-10-40ºC
-10-50ºC (for most of the models)
Rated input voltage
208VAC-400VAC
208VAC-480VAC
Communication
Modbus RTU//ASCII
Modbus RTU//ASCII Profibus-DP, CANopen, etc.
Position control (fixed length, or angular positioning)
