variable frequency speed control 变频调速
variable frequency speed control system 变频调速系统
ac and frequency speed control 调频转速控制
frequency control of motor speed 变频调速 ; 运行管理
Variable Frequency Speed-control 变频调速
vector-variable-frequency speed control 矢量变频调速
The advantages of frequency speed control in forced draught fan for boiler in power plant are set forth by examples.
结合实例阐明了电站锅炉送风机采用变频调速的优点。
An induction motor variable frequency speed control system used in textile carding machine is presented in this paper.
本文介绍一种用于纺织机械——梳棉机的感应电机变频调速系统。
Based on specific demand in machining process, a constant line speed control method is proposed, which is used in variable frequency speed control system.
针对数控机床工件恒线速加工时的特殊要求，提出了一种应用于变频调速系统的恒线速控制方法。
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