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business background
As a kind of clean and renewable energy, wind energy has attracted the attention of all countries. At present, my country has made great progress in the field of wind energy, and has formed a certain scale in various places, and the development is very rapid. As a part of the new energy development plan, wind power is a key support industry and has broad development prospects.
Xinjiang Goldwind Technology Co., Ltd. was established in 1998. It is an enterprise engaged in the research, development and manufacturing of large-scale wind turbines, and it develops rapidly every year. In 2007, Goldwind’s share in China’s wind power market was 25.25%, maintaining the first domestic market share. Its position in the international market has also risen from the tenth place in the world in 2006 to the eighth place in the world in 2007. In the development of the international market, Goldwind’s successful acquisition of Germany’s VENSYS Energy Co., Ltd. has a great impact on the company’s future development strategy. profound impact.
client needs
The customer site needs to install inductive sensors in three different areas to monitor the operation of wind power equipment. They are: pitch (tilt control) system, speed monitoring system, door limit switch system. The installation location of wind power generation equipment is generally in the central and western parts of China. The temperature is relatively low, and the low temperature resistance performance of the sensor is required to be good, and the site installation location is relatively close to the main generator. The sensor must have a higher level of EMC characteristics. The environment is relatively harsh, and there are relatively high requirements for the sensor’s temperature resistance, protection level, anti-interference characteristics and detection distance.
Customers require that the monitoring components not only have stable product performance, reliable operation and first-class quality, but also be easy to install, debug and maintain, and are suitable for harsh applications in the wind power industry.
TURCK solution
According to three different application sites in the wind power industry, the Uprox+ series inductive sensors from TURCK are selected.
1. Pitch (tilt angle control) system, mainly used to adjust the angle of the paddle page itself according to the wind, wind speed, wind direction, rotation, so as to maximize the energy conversion. During the rotation of the paddle leaf, the inductive sensor is mainly used to detect whether the rotation angle of the paddle leaf itself is in place. The measured object at the scene is an iron block. When in place, a switch signal will be output. To ensure that the paddle pages must be within a certain angle range.
2. The rotational speed monitoring system mainly detects the rotational speed of the current wind power generation equipment. Also in the process of wind power generation, the rotating speed of the blades must be within a certain range. The on-site inductive sensor cooperates with the corresponding metal code disc, and the current speed can be accurately collected through the output frequency of the sensor. For example, in the event of a storm, in order to avoid damage to the equipment, the speed of the blades should not be too fast. When the output frequency detected by the sensor is too fast, the control system will slow down the speed of the equipment by adjusting the angle of the paddle pages in the pitch system.
3. Door limit switch system
It is mainly used for safety protection. When maintenance is required, the maintenance door is opened, the sensor gets a signal, and all mechanical and electrical operations inside are stopped to protect the safety of maintenance personnel.
TURCK’s sensors ensure customer product quality
1. Wind power generation equipment is mainly installed in the middle and western parts of China where the wind is strong, and the temperature in these areas is very low. TURCK’s Uprox+ series inductive sensors can withstand extremely low temperatures -30°C.
2. The installation position of the inductive sensor is very close to the main generator set. The Uprox+ inductive sensor from TURCK has high EMC characteristics and high anti-interference performance.
3. The on-site installation environment is relatively harsh. The Uprox+ inductive sensor from TURCK has a high protection level of IP68, and even some series can reach the extremely high protection level of IP68/IP69K.
4. The highly innovative Uprox+ establishes a new standard for full metal detection, achieving the same detection distance for all metals, and up to 250% of the switching distance for traditional iron core sensors.
Due to the remarkable characteristics of TURCK’s inductive sensors, it can fully meet the monitoring of equipment operation status in the wind power generation industry, and can ensure stable and reliable operation of equipment and ensure customer product quality.
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