2
The whole wind generator system consists of 7 parts:
generator body (including rotor blades), yaw shaft, tower, wind generator PLC controller,
rectifier / dump load controller, inverter, and energy storage system (off-grid system uses
batteries; for grid-tied system, power will be transferred to grid directly.).
2.1. Dogvane
It receives wind signal, indicates wind direction, and reads the average value of the angle
measured by the dogvane every 120s. If the angle read by the dogvane is larger than 10°,
the wind generator controller will order the DC 24Vdirection-regulating motor to drive
yaw shaft to rotate and fulfill the function of facing wind automatically.
NOTES:
The factory set start-up wind speed value of HUMMER wind generator is 1m/s. If wind
speed is less than the required start-up wind speed, the system will keep in standby mode.
Users can set the start-up wind speed value in the “User Parameter Setting” interface on
the Hummer Controller according to the actual needs.
2.2. Anemometer
It measures wind speed, if the measured wind speed is over the required wind speed for
the wind generator to start continuously for 30s, the wind direction auto tracking system
will start up and the wind generator controller will drive the DC 24V direction-regulating
motor to seek the wind direction automatically. Blades receive the maximum wind energy
when they are windward. They can not receive any wind energy; hence stop running when
parallel to the wind direction.
2.3. Wind Generator Direction-regulating
When blades rotate too fast owing to high wind speed, the controller will alarm for “over
speed”. And the controller will drive DC 24V direction-regulating motor with yaw shaft
to deflect wind direction about 30°. If the blades still rotate too fast, the controller will
further drive blades to deflect 60°, and then the blades will be parallel to wind direction
and stop running. After 5 minutes, the controller will drive the DC24V direction-regulating
motor to seek wind direction again. If the alarm is not released, the blades will keep parallel
to wind direction.The controller will drive the DC 24V direction-regulating motor to make
the blades deflect 90° and parallel to wind direction if any of below situations occurs.
2.3.1. When the wind generator's temperature is up to 145°C, the controller indicates “over
temp”.
2.3.2. When wind speed is higher than the alarm wind speed, the controller indicates "Over
wind speed".
NOTES:
All above functions are based on “Auto” mode.
2.4. Manual Tracking Function:
Select “Manual Seek Wind” interface on the screen of HUMMER controller, Switch the
mode from “Auto” into “Manual”. When under “Manual mode”,
2.4.1. Keep on pressing the “Reversion” button, yaw shaft anticlockwise rotates and the
positive angle keeps increasing.
2.4.2. Keep on pressing the “Corotation” button, the negative angle keeps increasing.
During this process, the yaw shaft can stop at any angle in the range between -270 º and
+270 º to realize the function of “Manual tracking”.