本文介绍了变频调速技术在供暖系统补水改造上的应用及改造效果分析。
This paper presents the situation of application and effect of frequency-converting technique in unit heater system.
介绍采用磁电脉冲测速构成转差频率控制的闭环变频调速系统的组成、原理及动态性能。
The paper introduces the composition, principle and dynamical performances of the closed loop VVVF system using magneto electric pulse tacho apparatus to constitute the slip frequency control.
本文提出了一种异步电动机电流型变频调速系统传递函数的分析及工程设计方法。
This paper presents the methods of transfer function analysis and engineering design for variable frequency adjustable speed system of induction motor supplied by current source inverter.
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