| Basics |
Model |
GK330-037D-3B |
| Capacity |
37 kW (50 hp) |
| Weight |
30 kg |
| Product dimension |
490*310*274 mm |
| Input Feature |
Input voltage |
DC 450~750V, recommend DC 600~700V for 3-phase 380/400/415/440/460/480V motor
Three phase 220/380/480V AC (±15%) |
| Rated input current |
76 A at 380/480V |
| Input frequency |
47~63 Hz |
| Output Feature |
Output voltage |
Three phase 0~rated input voltage |
| Rated output current |
75 A at 380/480V |
| Output frequency |
50Hz/ 60Hz (output 0-300Hz please contact us)
DC 450~550V corresponds to 0-50Hz for 380/480V AC |
| Control |
Control mode |
SVPWM, SVC |
| Motor type |
Asynchronous motor |
| Speed ratio |
Asynchronous motor 1:100 (SVC) |
| Speed control accuracy |
±0.2%(SVC) |
| Speed fluctuation |
±0.3%(SVC) |
| Torque response |
<20ms (SVC) |
| Torque control accuracy |
10%(SVC) |
| Starting torque |
0.25 Hz / 150% (SVC) |
| Overload capability |
150% of rated current: 1 minute
150% of rated current: 10 seconds
200% of rated current: 1 second |
| Running control |
Frequency setting method |
Digital settingAnalog setting
Pulse frequency setting
Multi-step speed running settingSimple PLC setting
PID setting, MODBUS communication setting
Shift between the set combination and set channel |
| Operation method |
Keyboard/ terminal/ communication |
| Auto-adjustment of voltage |
Keep a stable voltage automatically when the gird voltage transients |
| Fault protection |
Overcurrent, overvoltage, undervoltage, overheating, phase loss, overload, etc. |
| Special functions for PV water pumps |
Maximum power tracking, pre-warning at weak light, auto wake up at strong light,
Pre-warning when full water, auto wake up at low water level,
Underload pre-warning and protection of water level sensor,
When pre-warning, the inverter is in stand-by |
| Environment |
Environment temperature |
-10℃~40℃ (environment temperature is among 40℃~50℃; please use it with derating) |
| Storage temperature |
-20℃~65℃ |
| Environment humidity |
Less than 90 % R.H, not exceeding 90% R.H |
| Altitude, Vibration |
Below 1000 m, below 5.9m/s² (=0.6g) |
| Cooling method |
Forced cooling and natural air cooling |
| Enclosure rating |
IP 20 |
