The invention relates to a variable frequency control method of an AC transducer.
本发明涉及一种交流变频器的变频控制方法。
Host fan with variable frequency control, steady speed, low power, accurate and reliable.
主机风机采用变频控制，调速平稳、省电、准确可靠。
It also gives energy consumption analysis caused by the variable frequency control method.
对变频控制进行了能耗分析。
In the field of ac machines control, a strategy called variable frequency control is mostly used.
在交流调速领域中，应用最广的是变频调速技术。
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 scheme has been success - fully applied to the variable frequency control to the vibration mill.
此方案成功应用在振动磨的变频控制中。
The hydraulic circuit of the whole vehicle is designed by using the variable frequency control mode.
采用变频阀控复合调速方式，设计了整车液压回路。
Based on the above study, the author of this paper designed variable frequency control speed system in electric twin-pod propulsion.
基于以上各部分，作者设计出双吊舱变频调速试验系统。
It has proven by practice that the two solutions both can implement Variable Frequency Control of ac Motor well, and have good applied cost.
实践证明，两种解决方案均能很好地实现交流电机的变频控制，具有良好的应用价值。
ZVS conditions (developed in the paper) lead to an interesting way to control the converter, and a discrete variable frequency control is proposed.
ZVS工作条件产生了有利的变流器控制方法，并提出了一种离散变频控制方法。
In the light of the pickup current of a submersible electric pump being too large when started at full pressure, a new variable frequency control system is developed.
针对电动潜油泵工频全压启动时存在启动电流过大等诸多问题，开发出新型电动潜油泵变频控制系统。
A kind of medium voltage AC variable frequency control system, which consists of voltage source inverter, sinuous filter and stepup transformer with variable frequency, is introduced.
介绍一种采用低压电压型变频器、正弦波滤波器和变频升压变压器构成的低-高式中压变频控制系统。
This paper mainly discusses the control and protection system for the 20kw VSCF (Variable Speed Constant Frequency) Wave Power Electric Station.
本文着重介绍了20千瓦变速恒频波力发电系统的控制功能和保护体系。
Physical features and frequency of water temperature control system with variable parameter are analyzed.
本文分析了变参数水温控制系统的物理特性及频率特性。
Computer simulation shows that the control of fuzzy variable structure can increase the robustness, solve the problem of shiver at high frequency, and improve the stability of small disturbance.
计算机仿真结果表明，采用模糊变结构附加励磁控制方法可以提高鲁棒性、解决高频抖动问题，并能够很好地改善电力系统的小干扰稳定性。
The SPLL consists of calculation frequency error, updating loop middle variable, and output control signal.
该锁相环由计算频率误差、更新环路中间变量、输出控制信号组成。
By using the special control algorithm of variable frequency drive system, the above said problem is solved.
设计了基于变频驱动系统的专用控制算法来解决“倒发电”问题。
The control system of multi-connected air-condition unit is the control unit which combines a variable frequency module, a variable frequency motor of compressor and a system of refrigeration.
多联空调机组控制系统是将变频模块、变频压缩机和制冷系统有机集成一体的控制单元，其技术核心是变频控制模块。
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；
By adjustment to control signal, systems might realize variable voltage, variable frequency, steady voltage, steady frequency closed loop control.
通过对控制信号的调整，系统可实现变压、变频、稳压、稳频的闭环控制。
The paper introduces the application of variable-frequency speed governor in belt conveyor. Which provides a new control mode for belt conveyor.
主要介绍了变频调速在带式输送机上的应用，为皮带输送机提供了一种新的控制方式。
Two control ring work together to realize variable speed constant frequency.
运行时机组的两个控制环同时工作，实现变速恒频。
Now the novel linear motor of bidirectional pulse variable-frequency control is applied to drive the flow control pump successfully.
目前，设计的双向脉冲变频控制的直线电机已成功应用于计量泵的驱动器中。
This paper introduces a frequency variable control system for elevator driven by linear induction motor, and this elevator has been tested.
设计了一套圆筒形直线感应电动机驱动的电梯全数字变频控制系统，对其进行了试验。
The flux compensation research of variable frequency hydraulic compound control system.
变频驱动液压复合控制系统的流量补偿研究。
Control Techniques variable frequency drives provide continuous control, matching motor speed to the specific demands of the work being performed.
控制技术的变频驱动器提供连续控制，配套电机的速度，工作的具体要求正在执行。
An integrating device of variable frequency and speed-down is an important driving and control unit which combines a variable frequency module, a variable frequency motor and a retarder.
变频减速一体机是将变频模块、变频电机和减速机有机集成一体的重要传动控制单元。
For this project ABB Italy and ABB South Korea will supply low voltage switchgear, intelligent motor control units and variable frequency drives.
ABB意大利公司和ABB韩国公司将为这个项目提供低压开关柜，智能电机控制单元，以及变频器。
For this project ABB Italy and ABB South Korea will supply low voltage switchgear, intelligent motor control units and variable frequency drives.
ABB意大利公司和ABB韩国公司将为这个项目提供低压开关柜，智能电机控制单元，以及变频器。
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