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An electric yaw control wind turbine is a type of wind turbine that uses an electric system to adjust the orientation of the rotor towards the wind direction.
This system can improve the efficiency and stability of the wind turbine, as well as reduce the mechanical wear and tear of the components.
The electric yaw control system consists of a yaw bearing, a yaw drive, a yaw brake, and a control system.
The yaw bearing allows the nacelle to rotate around the tower, the yaw drive provides the torque to rotate the nacelle, the yaw brake stops the rotation when the desired position is reached, and the control system processes the signals from the wind sensors and commands the yaw drive and brake.
| Model | RX-15DK | RX-20DK | RX-30DK | RX-40DK | RX-45DK | RX-50DK |
| Rated Power | 15KW | 20KW | 30KW | 40KW | 45KW | 50KW |
| Max Power | 20KW | 25KW | 35KW | 45KW | 50KW | 55KW |
| Blades Length | 3.2m | 3.5m | 3.8m | 4.5m | 4.9m | 5.8m |
| Wheel Diameter | 6.7m | 7.5m | 8.0m | 9.5m | 10.3m | 12.0m |
| Blades Quantity | 3 | 3 | 3 | 3 | 3 | 3 |
| Rated Voltage | 120V-380V | 120V-380V | 120V-380V | 120V-380V | 120V-380V | 120V-380V |
| Start Up Speed | 3m/s | 3m/s | 3m/s | 3m/s | 3m/s | 3m/s |
| Rated Speed | 10m/s | 10m/s | 10m/s | 10m/s | 10m/s | 10m/s |
| Cut-in Speed | 4m/s | 4m/s | 4m/s | 4m/s | 4m/s | 4m/s |
| Survival Speed | 40m/s | 40m/s | 40m/s | 40m/s | 40m/s | 40m/s |
| Blades Material | Glass fiber | |||||
| Generator Type | Three Phase Permanent Magnet Generator | |||||
| Working Temperature | -80ºC~+80ºC | |||||
| Protection Level | IP54 | |||||
| Working environment humidness | ≤90% | |||||
| Altitude | ≤4500m | |||||
| Tower Type | Guyed Cable Tower | |||||
| Overload Protection | Electrical control yaw protection | |||||
| Wind direction adjust | Electronic yawning | |||||
1. Ultrasonic anemometer
The conventional mechanical anemometer has a simple structure, and the internal rotating parts have
abrasion loss, which is easy to be worn by wind and sand, and at the same time, it is easy to be disturbed by
freezing, rain and snow. The new ultrasonic anemometer has no mechanical friction loss. It has a small and
compact structure, low influence from the outside world, and high reliability. It is used to accurately detect
real-time wind conditions.
2. Solar aviation indicator light
Instead of traditional indicator lights, no external power supply is needed, saving installation space. This
device is composed of silicon solar panels and multi-layer LED light sources. The high-efficiency silicon
solar physical panels supply large-capacity, maintenance-free storage batteries to provide power for the
flasher to flash at night.
3. Stainless steel ball lightning rod
The whole adopts SUS304 stainless steel, which is rust-resistant, beautiful in shape, simple in structure and
easy to install. It can be used for direct lightning protection, with wide protection angle and strong wind
resistance.
4. Integrated stickers of intelligent automatic fire extinguishing materials
This product is an innovative invention in the fire protection industry and is a simple and highly reliable
independent automatic fire extinguishing device. There is no need for any power supply, no special smoke
and temperature controllers, no responsible equipment and pipelines, and only need to be pasted inside the
equipment to accurately and effectively detect and extinguish the source of goods and kill the disaster at the
initial stage.
5. Automatic butter filler
Instead of the traditional step of manually filling the bearing with butter, it is automatically controlled by the
program to fill the bearing parts with butter on time and accurately.
1. What kind of region can be installed wind turbine?
Small wind turbines should be applied in the regions which wind resources is sufficient. The annual average wind speed should be
more than 3m/s, the effective wind speed 3-20m/s should be more than 3000h in accumulation per year. The density of 3-20m/s
effectively average wind power should be more than 100W/m2.
It should be noted that choosing the rated design speed wind turbine is in conformity with local design speed. It is significantly
in making use of wind resources and in economic aspect. Wind tunnel test proves that the fan power transformation of the impeller
in the direct ratio with wind speed, that is to say, the wind speed decide the output electrical power.
2. How to calculate the actual need power in my home to configure the appropriate power of wind turbines?
At present, battery stores the power from the wind turbine, then discharge to home appliances. So the power which discharged to
the load and be charged timely by wind turbine is the amount of the actual needs power.
Take an example: the rated output power from wind turbine generator is 100W per hour, the continuous workable hours by wind is 4
hours. The battery can be charged total capacity is 400WH. For only about 70% power from battery can be discharged to the load, so
the actual power which can be used from battery is 280WH.
If there are:
1) Bulb15W x 2 Pieces, working 4 hours one day, consumption 120WH
2) TV 35W x 1 set, working 3 hours one day, consumption 105WH
3) Radio 15W x 1 Piece, working 4 hours one day, consumption 60WH
Above total consumption is 285WH per day. If you
only design to install 100W wind turbine generator, the consumption total power
will more than the power from wind turbine generator. In long period of time using power from 100W wind turbine generator, it will
make the battery serious loss of electricity and damaged, and it will cut down your battery service life.
It is assumed that wind turbine at rated wind power generation and energy consumption, but in fact, due to the variability of the
wind, intermittent, there are strong and weak wind different (wind speed) and wind blow in long time and short time
different(frequency). So you should cut down even cut off some electrical application working time when the wind condition is in
poor to protect your battery. If your budget is enough, it will be better to install a diesel generator set or install solar
panels at the same time.
3. How to select the correct battery capacity to get power from wind turbine generator?
Generally, the battery capacity should be equal or smaller than the power from wind turbine generator.
1) 100W wind turbine generator matches 120AH battery (60AH x 2 Pieces)
2) 200W wind turbine generator matches 120-180AH battery (60 OR 90AH x 2 Pieces)
3) 300W wind turbine generator matches 240AH battery (120AH x 2 Pieces)
4) 750W wind turbine generator matches 240AH battery (120AH x 2 Pieces)
5) 1000W wind turbine generator matches 360AH battery (60AH x 3 Pieces)
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