Popularizing and applying frequency converter technology is one of the important methods of the prompting the industry advance.
进一步的推广应用变频调速技术，是推动我国工业技术进步的重要举措之一。
The theory of AC frequency modulation for motor speed regulation technology, its applied procedure and actual effect in dedusting fan of converter are stated.
介绍了交流变频调速技术的原理、在转炉除尘风机上的实施过程和使用效果。
This article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
本文介绍一种基于频率变换的时间放大技术，可用于正弦周期信号的相位精确测量或延迟时间测量。
The (frequency) converter (adopted) multilevel technology with cells series, which could obtain stepped SPWM waveforms, and could drive ordinary motor directly with no output filter.
该变频器采用单元串联多电平技术，可以得到阶梯SPWM波形，无需输出滤波器，可直接驱动普通电动机。
The paper introduces the principle of frequency converter, frequency project of base water-feeding system and the selection of frequency technology.
介绍变频器工作原理、基地供水系统变频项目以及变频工艺的选择。
A charge balanced voltage to frequency converter is jpresented in this paper, and the circuit design and the process technology are also described.
介绍了电荷平衡式电压频率转换器的电路设计与工艺制作，并给出了研究结果。
The controlling, warning and interlocking of the technology process was realized by the Simmen's PLC and frequency converter. The advantage and shortcomings of the project were explained.
概述了用西门子的P LC和变频器实现工艺过程的控制、报警、联锁等，并指出该方案的优缺点。
The controlling, warning and interlocking of the technology process was realized by the Simmen's PLC and frequency converter. The advantage and shortcomings of the project were explained.
概述了用西门子的P LC和变频器实现工艺过程的控制、报警、联锁等，并指出该方案的优缺点。
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