Weather radar is a radar dedicated to atmospheric detection, mainly used for short-term weather forecasting and extreme weather warnings (such as typhoon and heavy rain warnings). The successful convening of the 2008 Beijing Olympic Games was due to the contribution of weather radar. A radar with a Lenze 940 servo drive and a Lenze servo motor is particularly worth mentioning. It is this vehicle-mounted "X-band dual-polarization" radar that can be used for artificial weather intervention in China that has shown its skills in the meteorological support work of the Olympic Games, providing the most accurate data for artificial rain consumption before the opening ceremony of the Beijing Olympic Games.
According to meteorological experts, in the middle of summer, if the precipitation clouds in Hebei drift to the Beijing area step by step, it will lead to precipitation weather in Beijing. In view of this characteristic, the Olympic Organizing Committee has specially "requisitioned" a number of weather radars to provide meteorological support for the Olympic Games. These weather radars with a keen sense of smell are deployed in Beijing, Tianjin, Shijiazhuang, Qinhuangdao, Qingdao and other places, providing detection data to the Olympic meteorological support department every few minutes. The "X-band dual-polarization" radar, which was entrusted with the important task, was deployed on Lingshan Mountain, northwest of Beijing, at an altitude of 1,800 meters. Although it is more than 80 kilometers away from Beijing, it monitors all the changes in the clouds over the city.
The night before the opening ceremony, with the help of key data such as the thickness, moving speed and reflective force intensity of the precipitation clouds collected by the "X-band dual-polarization" radar, the Olympic meteorological support department launched rockets at the precipitation clouds, intercepted the application of Lenze products moving in the direction of Beijing on the meteorological radar, and successfully rained down on the periphery of about 80 kilometers from Beijing, ensuring the smooth holding of the opening ceremony of the Olympic Games.
Lenze, which is used in the "X-band dual-polarization" radar, is controlled by the CANopen bus, which, together with the internal programming capabilities, makes the control circuit simple and efficient. In combination with Lenze's high-performance servo motors, high dynamic response and smooth operation can be achieved. The 940 servo has an overload capacity of up to 300%, which can effectively ensure the reliable operation of the servo system in harsh environments. Weather radar provides meteorological assurance for the Olympic Games
Lenze 940 Product Description
Product Introduction:
Lenze 940 is a servo drive controller for driving motors, mainly using frequency and voltage modulation and phase adjustment methods, through speed feedback and position feedback monitoring, to control the high-precision operation of the motor. It adopts closed-loop control mode, which can realize PID adjustment control of speed, current, phase and position to achieve excellent control effect. The basic control functions of the Lenze 940 are similar to those of other Lenze servo drives. It can realize the motor positioning control of various functions through the positioning control system based on high-level language built-in system. The expression of the positioning statement is similar to the Basic language, and has complete functions such as condition judgment, loop control and logic control.
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