The high voltage variable frequency speed regulation is the best energy conservation way at present.
指出目前应用高压变频技术是离心风机最佳的节能途径。
This article briefly introduces the basic control principle of the three-potential PWM variable frequency speed regulation.
文章简要叙述了三电平PWM变频调速方式的基本控制原理。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
Method of. modeling using the intelligent optimization algorithms is discussed for AC variable frequency speed regulation system.
针对交流变频调速系统，探讨了应用智能优化算法实验建模方法。
It found that the method is able to analyze diagnostic characteristics of the variable frequency speed regulation system with asynchronous motor.
实践证明，该方法可以有效地分析变频调速异步电机故障。
As the application of AC variable frequency speed regulation is widely popularized, the request of high precision and high integrality about SPWM generator becomes higher.
由于交流变频调速越来越得到广泛应用，对高精度高集成度SPWM产生器的要求也就越来越高。
It is of the humane design, variable frequency speed regulation, stable and reliable performance, high automation degree, It is the best equipment for assembling the plastic caps.
该机设计人性化，高频调速，性能稳定可靠，自动化程度高，是塑料盖组装的最理想的设备。
Finally, through on-line debugging, the author realized the PMSM servo driver with functions of variable frequency speed regulation, parameter identification and parameters displaying.
最后，作者通过在线软、硬件调试，实现了具有变频调速、参数识别和参数显示等功能的永磁同步电机伺服驱动器的研制。
The optimization theory and method combined with variable frequency speed regulation technology is applied in this paper to realize efficiency optimization in water injection pumping stations.
利用最优化原理与方法结合变频调速技术实现注水泵站效率优化控制，以满足油田生产节能降耗的需要。
Combined with the variable frequency transformation of the induced fan in my company, the variable frequency speed regulation technology is ripe, and the electricity-saving effect is significant.
结合我公司引风机的变频改造，认为变频调速技术已经成熟，节电效果显著，在其他转机上可以应用。
The electric control unit USES variable frequency step-less speed regulation for easy operation, operation panel is simple and clear.
本机的电气控制采用变频无级调速，操作方便、直观，操作面板简洁、明了。
Adopt variable frequency control, stepless speed regulation, the roller tilt Angle can be adjusted.
采用变频控制，无极调速，滚筒倾斜角可调节。
The electric control uses variable frequency step-less speed regulation for easy operation. Operation panel is simple and clear.
本机的电气控制采用变频无级调速，操作方便、直观，操作面板简洁、明了。
To this problem, the variable-frequency speed regulation and flow regulation split-ranging coordinated control of the centrifugal pump for energy saving is given.
离心泵的变频调速是目前广泛采用的流量调节方法，高效节能是其最大优点，但是当流量降低时，可能造成压头过低而影响后续流程。
In the light of technical rebuilding engineering practice, the constitution of variable-frequency speed-regulation system and the structure features of inverter are described.
结合技改工程实例，对变频调速系统的构成和变频器的结构特点进行了论述。
In the light of technical rebuilding engineering practice, the constitution of variable-frequency speed-regulation system and the structure features of inverter are described.
结合技改工程实例，对变频调速系统的构成和变频器的结构特点进行了论述。
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