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。
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。
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 frequency stability of a ship power station is decided by the speed response characteristic of diesel engine speed regulation system.
船舶电站频率的稳定性主要取决于柴油机调速系统的转速响应特性。
The frequency stability of a ship power system is determined by the speed response characteristic of the diesel engine speed regulation system in the ship power station.
船舶电力系统频率的稳定性主要取决于船舶电站柴油机调速系统的转速响应特性。
This paper detailedly introduces the master circuit of the frequency transformation speed regulation, IPM, and interface circuit with DSP.
文中对变频部分的主电路、智能功率模块IPM和dsp芯片及其周围接口电路都作了详细地介绍。
Use the method of the frequency governor with machine speed. Bring about a stepless regulation of all constant power range, in the rotating main movement of universal machine tools.
用变频调速和机械变速相结合的方法，在主运动为旋转运动的通用机床中，实现全部恒功率范围内的无级调速。
Frequency conversion and stepless speed regulation, thus ensuring steady speed and facilitating speed regulation.
采用变频无级调速、转速稳定、调速方便。
The large power AC-AC frequency-changers are used in the aircraft power source and AC speed-regulation systems to convert frequency and voltage directly.
大功率直接变频电路的基本功能是实现频率和电压的直接变换，被应用于航空电源和调速电源中。
Basic principle of speed regulation by frequency inversion is introduced and its application results in power plant attached to vacuum salt making enterprises is summarized.
介绍了变频调速的基本原理，并对其在真空制盐企业自备电厂中的实际运用效果进行了总结。
This paper introduces control of motors by using frequency-transformer, which changes two kinds of speed(faster and slower) into gearless speed regulation.
采用变频器进行电动机控制，将原来只有快、慢两个速度的电动机变成了无级调速；
The features of frequency inversion and speed regulation technology were introduced. Its application in water supply project and house construction and energy saving effect were presented.
介绍了变频调速技术的特点。分析、比较并列举了变频调速技术在工业和民用领域中的几个应用实例。同时，也描述了他们的性能及节能效果。
This paper introduces chop feedback speed regulation technique and compares it with frequency conversion and cascade technique.
介绍了斩波内馈调速技术，以及与变频和串级技术的比较。
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 paper discusses the technical scheme and the operation results of frequency varying speed regulation of home used air conditioner.
本文探讨了家用空调器变频调速运行的有关技术方案和运行效果。
The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
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。
Combined with an implementation case, the principle of motor speed regulation and frequency converter were briefly described.
结合实际项目，简述了电机调速与变频器工作原理。
Set of unit has convenient to move, a high degree of automation, iron recovery high characteristic, can be selected frequency conversion control realize stepless speed regulation.
整套机组具有移动方便、自动化程度高、铁回收率高的特点，可以选配变频控制实现无级调节。
The paper, from the point of view of energy saving, explains the economic gain available by applying the frequency transformation speed regulation technique in renovation jobs of fans of old sets.
该文从节能角度阐述了老机组风机改造中应用变频调速技术的经济效益。
The paper, from the point of view of energy saving, explains the economic gain available by applying the frequency transformation speed regulation technique in renovation jobs of fans of old sets.
该文从节能角度阐述了老机组风机改造中应用变频调速技术的经济效益。
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