Power input
Input voltage (V)
AC 3PH 380~480V Rated Voltage: 380V
Allow voltage transient fluctuations
-15% to +10%
Input current (A)
Refer to the "GD270 Rated Parameter Table"
Input frequency (Hz)
50Hz or 60Hz, within the allowable range of 47 to 63Hz
Power output
Output voltage (V)
0 - Input Voltage
Output current (A)
Refer to "GD270 Rated Parameter Table"
Output power (kW)
Refer to the "GD270 Rated Parameter Table"
Output frequency (Hz)
0~400Hz
Technical control performance
Control method
Space voltage vector control mode, without PG vector control mode
Motor type
Asynchronous motor, permanent magnet synchronous motor
Speed ratio
Asynchronous machine 1: 200 (SVC), synchronous machine 1: 20 (SVC)
Speed control accuracy
±0.2% (without PG vector control)
Speed fluctuation
± 0.3% (without PG vector control)
Torque response
(20ms (without PG vector control))
Torque control accuracy
±10% (without PG vector control)
Overload capacity
110% rated current for 1 minute. Allowed overload once every 5 minutes.
Operating control performance
Frequency setting method
Digital settings, analog quantity settings, pulse frequency settings, multi-stage speed running settings, simple PLC settings, PID settings, communication settings, etc. It can achieve the switching of the set combinations and set channels.
Automatic voltage regulation function
When the grid voltage changes, it can automatically maintain the output voltage constant.
Fault protection function
Provide multiple fault protection functions: overcurrent, overvoltage, undervoltage, overtemperature, phase loss, overload, etc.
Speed tracking restart function
Realize the smooth and impact-free startup of a rotating motor
Peripheral interface
Terminal analog input resolution
No more than 20 mV
Terminal switch quantity input resolution
No more than 2 milliseconds
Simulated input
2 channels, AI1: 0(2) to 10V / 0(4) to 20mA, AI2: -10 to 10V
Simulation output
2 channel, AO0/AO1: 0(2) to 10V / 0(4) to 20mA
Digital input
5-channel general input, maximum frequency 1kHz, internal impedance: 3.3kΩ 1st speed input, maximum frequency 50kHz
Digital output
The open circuit of the 1st Y terminal for collector output shares the same terminal with S4. The selection function is achieved through jumper wires.
Relay output
1st programmable relay output RO1A is normally open, RO1B is normally closed, and RO1C is the common terminal. Contact capacity: 3A/AC250V, 1A/DC30V
Expansion interface
Two expansion interfaces: SLOT1, SLOT2 Expandable communication cards, I/O cards, etc.
Others
Installation method
Support three installation methods: wall-mounted, floor-standing, and flange-mounted.
Operating environment temperature
-10 to 50 degrees Celsius. For use above 40 degrees Celsius, the performance will be reduced.
Protection level
For machines with a power of 200kW or less: IP20 Models with power of 220kW and above: IP0
Pollution level
Level 2
Cooling method
1.5kW: Naturally air-cooled 2.2Kw and above: Forced air cooling
