The AC servo system of FANUC 11 series is a AC-DC-AC conversion frequency speed adjusting system, which use PWM as the speed-adjusting control method.
FANUC一11型交一直一交频调速系统，调速的控制方法为脉冲宽度调制(pwm)法。
It shows signal harmonics is obviously weakened by the smoothing action in the setting process and there is a best conversion frequency to minimize harmonic distortion.
发现了建立过程的平滑作用可以明显地削弱信号的谐波分量，并存在一个最佳转换频率，使谐波失真达到最小值。
The paper introduces the principle, effect of conversion frequency technology as well as the developing tendency of this industry, and concerning industrial strategies of China is followed.
介绍了电动机变频调速技术的原理、作用，变频调速技术产业的现状及发展趋势以及我国的对策。
QPC has internally demonstrated single-frequency powers exceeding 3 watts at conversion efficiencies greater than 50 percent at 1064 nm.
在QPC公司的内部演示中，在1064nm波长处，单频功率超过3瓦，转换效率高于50%。
The system is capable of sampling, conversion and various calculations in both time and frequency domains.
可完成数据的采集、转换，并进行时间域和频率域的多种运算。
The machine adopts dual-frequency conversion timing technology and Japan panasonic transducer, assuring every part drives synchronously.
采用双变频调速技术，日本松下变频器，保证机器各部位运行同步。
IPM that has been widely used in the field of frequency conversion is one of the power integrate circuit.
变频产品中普遍使用的智能功率模块IPM是电力集成电路的一种。
Now commonly used servo motor is ac servo motor, the axial end in motor with photoelectric encoder, by examining the rotor Angle to frequency conversion control.
目前常用的伺服电机是交流伺服电机，在电机的轴端装有光电编码器，通过检测转子角度用以变频控制。
Result showed frequency conversion system application development prospects are very good and significant economic benefits.
结果表明变频调速系统具有很好的应用发展前景和可观的经济效益。
Adopt IGBT frequency conversion of German Siemens and voltage feedback series resonance circuit. The conversion efficiency is reaching up to above 97.5%.
采用德国西门子IGBT变频，电压反馈串联谐振电路。变换效率高达97.5%以上。
Therefore, the reciprocating compressors system frequency conversion technology reform still have meaning.
因此，对往复式压缩机系统进行变频技术改造还是比较有意义。
Standard configuration is sidle frequency conversion motor drive & dec optional configuration is servo motor drive.
标准配置横行变频马达驱动，可选购横行伺服马达驱动。
Frequency conversion adjusts the speed: this machine USES frequency conversion equipment, can be adjusted within the range according to the needs of reality in production.
变频调节速度：本机采用变频装置，根据实际生产的需要的范围内可以进行调整。
The optical characteristics of nonlinear optical crystals, especially several common mid-IR nonlinear crystals have been introduced in the research of nonlinear frequency conversion crystals.
在对非线性变频晶体的研究中，首先介绍了非线性光学晶体的光学特性，详细介绍了几种常用的中红外非线性晶体。
The experiment results show the inverter has good work capability, obvious effect of energy saving and steady work of frequency conversion.
实验结果表明该变频器工作性能良好、节能效果明显、变频工作稳定。
Conventional dual up-conversion transmitter usually employs an intermediate frequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.
传统双上变频发射器通常采用中频(IF)混合器和射频(RF)混合器将基带用户信号依次转换成IF和RF。
Apply frequency conversion technique to save energy, improve the shift peak load capacity of electric network for the units and ensure the safe and stability operation of network.
利用变频调速技术节约电力，提高电网对机组的调峰能力，保证电网的安全稳定运行。
This article introduced the elevator velocity modulation is carries on the velocity modulation through the frequency conversion.
本文介绍的电梯的调速是通过变频来进行调速的。
In this paper, we present a frequency conversion electromotor system organized by voltage vector transducer and induction-motor.
本文研究了用电压矢量变频器和感应电动机构成的变频电动机系统。
ALC can be connected; revolution, speed and pressure can be adjusted by touchable screen and PLC program as required. Can be driven by ac frequency conversion electric machine.
根据用户要求，可与ALC(频率监控仪)的连接，可以采用触摸屏与PLC程序控制，可以采用交流变频电机驱动。
The paper introduces the yellow project pumping station frequency conversion speeder, and analyses the principle of the frequency modulation and the supplementary equipment performance.
介绍了引黄工程泵站变频调速装置，对其变频调速原理及其配套设备的性能进行了详细分析。
The main drive of the whole line uses a reducer with the frequency conversion to control, the speed control, length setting and the localization control are accurate and reliable.
整线成型主驱动采用一个减速电机加变频控制，速度控制、定长、定位控制准确可靠。
Vedio process module mainly accomplishes vedio decoding, AD conversion, interlace to progressive conversion, double frequency, etc.
视频信号处理模块主要完成视频解码、模数转化、隔行转逐行、倍频等功能。
Frequency conversion blower motor: air volume can be freely adjusted, which can meet requirement of air volume for paper sending.
变频风机电机，风量可以任意调整，随时满足送纸风量要求。
Fuzzy control hardwares have been designed using AC frequency conversion technology for household refrigerators.
设计了具有交流变频技术的家用电冰箱模糊控制器硬件。
It shows that frequency conversion technology is in good foreground on energy saving and improving the level of automatic control.
实例证明，该变频技术在节能降耗、提高自动化控制水平方面具有很好的应用前景。
Equipressure natural gas supply system with frequency conversion possesses the feature and advantages of the scroll compressor with frequency conversion and satisfies the design requirements.
天然气变频恒压供气系统具有变频涡旋压缩机的特点和优点，完全满足设计要求。
Equipressure natural gas supply system with frequency conversion possesses the feature and advantages of the scroll compressor with frequency conversion and satisfies the design requirements.
天然气变频恒压供气系统具有变频涡旋压缩机的特点和优点，完全满足设计要求。
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