丹佛斯变频器在挤出机上的应用---工程建筑机械应用案例,尽在中国自动化网 关键词: 挤出机 起动转矩 转矩响应 转速精度 [gap=205]Key words: Extruder, Brake-away Torque, Torque Response, Speed Precision
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Direct Torque Control (DTC) technology is a high-performance adjustable speed method with fast torque response.
直接转矩控制是一种转矩响应快的高性能的交流调速方法。
After the combination of direct flux control algorithms and over-modulation technique, a rapid dynamic torque response characteristic is also achieved in the flux-weakening control areas.
直接磁链控制算法与过调制技术相结合后,在弱磁控制区也实现了快速的动态转矩响应特性。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
结合矩阵变换器双空间矢量调制方法,并将矩阵变换器过调制方法用于感应电机直接转矩控制中,达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
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