Applications
▪ Distributed wind turbine power grid-tied system
▪ Solar&wind hybrid power grid-tied system
▪ Wind power grid-tied system
Features
▪ Wind Controller&Inverter integrated machine
▪ MPPT included, and 30-point power curve can be settable
▪ 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 operated.
System Diagram
Technical Parameters
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WWGI30 |
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3kW |
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Max. input power |
4.5kW
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Rated input voltage |
240Vac |
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Rated input current |
7.2A
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Max input current |
10.8A |
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Cutting speed |
60RPM（factory default，0-1499RPM settable） |
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Power tracking |
30 points set power curve |
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Speed limit control |
Electromagnetic speed limit |
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Manual brake |
Press “Enter” and “ESC” at the same time to completely unload |
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Tune the switch on the panel to "Brake", three-phase AC short circuit, turn to "RUN" to run. |
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Brake by overcurrent |
12A（factory default,0-15A settable）it dumps load completely when over current, and will recover after 10mins automatically |
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300r/min（factory default，0~1499r/min settable）Unload completely when reached the set rotational speed, and recover automatically after 10mins.
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18m/s (0~30m/s settable), it dumps load completely when reached the set wind speed, and recover automatically after working 10mins and wind speed is less than 15m/s. |
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AC Output |
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Grid Type |
Three-phase |
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Rated output power |
3kW |
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Max output power |
3.3kW |
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Rated Grid voltage |
220Vac |
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Grid voltage range |
85%~110% of rated grid voltage |
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Rated Grid frequency |
50Hz/60Hz |
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Work frequency range |
49Hz~51Hz/59Hz~61Hz |
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Rated output current |
13.6A |
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Rated power factor |
＞0.98 |
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Thdi |
＜5% |
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DC component |
＜0.5% |
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soft start |
Yes |
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Restoring grid-connected functionality |
Yes |
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Auto on/off |
Yes |
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Grid overvoltage/undervoltage protection |
Yes |
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Grid over frequency/under frequency protection |
Yes |
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output short circuit protection |
Yes |
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Grid power failure protection |
Yes |
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Anti-islanding protection |
Yes |
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Over-temperature protection |
Yes |
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Lightning protection |
Yes |
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Residual current protection |
Yes |
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General Parameters |
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Display mode |
LED+LCD |
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Display information |
Display: wind Voltage, Wind current，Wind power, Wind Speed, Pole Paris; Inverter voltage, Inverter current, Inverter Power, Inverter Frequency, Relay Time, power generation; BUS Voltage, Air speed, Temperature, Time, Language, ID, etc. Status: Manual brake, automatic brake, fault indication, grid-connected state, relay state, Wind cut-in, etc. |
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Monitoring mode(optional) |
RS485/GPRS
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Monitoring contents |
Telemetry: wind turbine speed, Inverter voltage, Inverter current, Inverter power, power generation，Air speed; 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 |
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Efficiency |
≥95% |
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Ambient temperature |
-20℃～+40℃ |
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Humidity |
0%~90%, no condensing |
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Vibration resistance |
Can withstand sine wave vibration with a frequency of 10Hz~55Hz and an amplitude of 0.35mm |
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Noise |
≤65dB |
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Cooling mode |
Natural cooling |
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Cover protection class |
IP65（dump load IP54） |
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Product reference dimension |
416×536×250mm |
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Product reference weight |
20kg |
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Dump load reference dimension |
300×550×55mm |
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Dump load reference weight |
14kg |
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Note: Part of parameters can be adjusted according to customer’s specific demand. |
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