Applications
▪ Distributed wind turbine power grid-tied system
▪ Solar&wind hybrid power grid-tied system
▪ Wind power grid-tied system
Features
▪ Controller&Inverter integrated system ( only for wind power generation)
▪ 30-point power curve can be set
▪ Complete protection functions
▪ RS485/GPRS monitoring modes optional
WWGI Series 3KW Wind Power controller And Grid-tied Inverter
WWGI Series is wind power grid-tied controller&inverter integrated machine with MPPT function.It looks concise and can be easily operate.
System Diagram
Technical Parameters
|
Model |
WWGI30 |
|
Wind turbine input |
|
|
Rated input Power |
3kW |
|
Max input Power |
4.5kW |
|
Rated input voltage |
240Vac |
|
MPPT voltage range |
60Vac~300Vac |
|
Rated input current |
7.2A |
|
Max input current |
10.8A |
|
cutting speed |
60RPM（factory default，0-1499RPM settable） |
|
Power tracking |
30 points set power curve |
|
Speed limit control |
Electromagnetic speed limit |
|
Manual brake |
keep pressing the button 5s unload completely,and then recover by pressing it for another 5s |
|
Tune the switch on the panel to"BRAKE position",three-phase AC short cricuit,turn to "RUN" position to run. |
|
|
Brake by overcurrent |
12A（factory default,0-15A settable）it dumps load completely when overcurrent,and will recover after 10mins automatically |
| Brake by over rotational speed(optional) |
300RPM（factory default，0~1499RPM settable）unload completely when reached the set rotational speed ,and recover automatically after 10mins |
|
Brake by over wind speed(optional) |
18m/s（0~30m/ssettable），it dumps load completely when reached the set wind speed ,and recover automatically after 10mins |
|
AC output |
|
|
Grid type |
single phase |
|
Rated output power |
3kW |
|
Max output power |
3.3kW |
|
Rated output voltage |
220Vac |
|
Grid voltage range |
85%~110% of rated grid voltage |
|
Rated grid frequency |
50Hz/60Hz adaptive |
|
work frequency range |
49Hz~51Hz/59Hz~61Hz |
|
Rated output current |
13.6A |
|
Rated power factor |
＞0.98 |
|
Thdi |
＜5%（at rated power） |
|
DC component |
＜0.5% |
| soft start |
Yes |
|
Restoring grid-connected function |
Yes |
|
Auto on/off |
Yes |
|
Protection functions |
|
|
grid overvoltage/undervoltage protection |
Yes |
|
grid over frequency/under frequency protection |
Yes |
|
output short circuite protection |
Yes |
|
Grid power failure protection |
Yes |
|
Anti-islanding protection |
Yes |
|
over temperature protection |
Yes |
|
Lightning protection |
Yes |
|
Residual current protection |
Yes |
|
General Parameters |
|
|
Display mode |
LED |
|
Display informational |
dump load 、grid state、wind generator state 、faults |
|
Monitoring mode(optional) |
RS485/GPRS |
|
Monitoring contents |
Telemetry: wind turbine speed, grid voltage, output power, power generation;
Remote signal: wind turbine status, wind power grid-connected inverter over-current alarm, over-voltage alarm, over-temperature alarm, fault alarm, etc.; Remote control: modify the parameters of the wind power grid-connected inverter and control the braking of the wind turbine
|
|
Efficiency |
＞95% |
|
Ambient temperature |
-20℃～+40℃ |
|
Humidity |
0%~90%，no condensing |
|
Vibration resistance |
Can withstand sine wave vibration with a frequency of 10Hz~50Hz and an amplitude of 0.35mm |
|
Noise |
≤65dB |
|
Cooling mode |
natrual cooling |
|
Cover protection class |
IP65（dump load IP54） |
|
Product reference dimension |
416×536×250mm |
|
Product reference weight |
20kg |
|
Dump load reference dimension |
300×550×55mm |
|
Dump load reference weight |
14kg |
