交流变直流的变频器通常称整流器。
如何选择绿色环保型的变频器？
所有调速器均采用矢量变频器。
供料泵变频控制，自动调节流量。
变频空调控制器直接安装在交流电机。
The variable frequency AC controller mounts directly on the AC motor.
提供专业的变频器维修服务。
The frequency converter to provide professional maintenance services.
变频器驱动电机，实现调速运转稳定。
Frequency converter drives motor to realize stable velocity change operating.
摘要介绍了变频器在冷却塔风机系统改造中的应用。
The application of inverter in cooling tower fan system modification was introduced.
数字下变频技术是数字化雷达接收机的关键技术之一。
Digital down - conversion (DDC) is an important technique of digitized radar receiver.
减少了变频器输入电流中包含的高次谐波成份的输出。
It reduces the high hypo syntony wave output part included in the converted input current.
标准配置横行变频马达驱动，可选购横行伺服马达驱动。
Standard configuration is sidle frequency conversion motor drive & dec optional configuration is servo motor drive.
所有这些要求顺序操作相应开关、阀门和控制变频器来完成。
All these requirements order operation switch, valves, and corresponding control frequency converter to complete.
一旦内核知道如何改变频率，它必须知道要把频率变到多少。
Once the kernel knows how to change frequencies, it has to know which frequency it should set.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
这些调控器还允许一些用户调优，因此您可以自定义并轻松地更改变频系数。
These governors also allow for some user tuning so you can customize and easily change the frequency scaling.
介绍了变频器在风机调速上的应用现状，使用变频器的四种目的。
Application of converter on fan adjustable speed and four purpose of using converter are introduced.
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。
Result showed frequency conversion system application development prospects are very good and significant economic benefits.
例如变频驱动器如果有必要的话可以直接被连在通讯网络或硬线上。
Such as variable frequency drives can be further connected directly to the communications network or hardwired if necessary.
显示低压变频器潜力较大的一个因素是机器制造商行业的库存增加。
One factor that indicates high potential for LV drives is the increasing of inventories by machine builder sectors.
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。
The machine adopts dual-frequency conversion timing technology and Japan panasonic transducer, assuring every part drives synchronously.
逆变器主电路的可靠性是变频器等功率转化装置安全合理使用的保证。
The reliability in power circuit of inverter is assurance for VFD and other power transfer application.
介绍了控制系统的功能、运行节能原理、系统组成和变频器工作原理。
The functions, the principle of operation energy saving, system composition and operational principle of the converter are presented.
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。
The experiment results show the inverter has good work capability, obvious effect of energy saving and steady work of frequency conversion.
论文在最后给出了在处理机实验平台上进行的数字上下变频系统的实验结果。
The last part gives the test results of digital up convert and digital down convert system, produced by the experimental platform.
通过以上的结果可以发现，索纳斯二代变频电动牙刷在清洁能力上是很肯定的！
Through the above it can be found that the two generation frequency Souness electric toothbrush is definitely in the cleaning ability!
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。
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.
本文从感应电机的静态特性出发，分析了通用电压矢量控制变频调速器的制动功能。
Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequency converter.
他说到，“所以只要保持控制电源有电，我们的变频器就能够在停电时维持运转。”
So our VFDs have been able to ride through these outages, as long as we keep the control power active.
他说到，“所以只要保持控制电源有电，我们的变频器就能够在停电时维持运转。”
So our VFDs have been able to ride through these outages, as long as we keep the control power active.
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