So, NIRVANA can say is the only true sense have speed of variable frequency drive screw air compressor.
所以，NIRVANA可以说是目前惟一真正意义上拥有调速变频驱动的螺杆空压机。
Individual infinite variable speed drive of each roll with AC-motors coupled to programmable frequency inverters.
电机驱动方式为交流变频无极变速驱动。
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 motors are designed for variable frequency drive.
电机变频驱动设计。
Based on the actuality that in China's printing industry equipment, the main drive mostly adjusts speed by variable frequency, but less usage in itss auxiliary function.
针对目前国内印刷行业设备中主传动已大量采用变频调速，而在其辅助功能上却很少的现状。
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。
The experiments of load manifest that the test sample of variable frequency drive for SPCP has good driving capability.
试验样机的带载试验表明，潜油螺杆泵变频驱动装置试验效果良好，性能达到了设计要求。
Magnetic Compensated Hall Sensors' theory and merits are introduced in this paper. The application in variable frequency machines, UPS and direct-current drive controller is also given.
介绍磁补偿霍尔传感器的工作原理及其优点，讨论了它在变频调速电机、不间断电源(ups)及直流驱动控制方面的应用。
Variable frequency motor drive, soft start, soft stop, stable and reliable, small impact.
采用变频电机驱动，软启动，软停止，平稳可靠，冲击小。
High power GTO inverter is used for railway electric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.
大功率GTO逆变器用于铁路电力牵引，其PW M控制与一般工业领域中的变频调速系统的PWM控制有很大不同。
It is variable frequency drive that controls the movement of the belt.
不同频率的驱动控制压带的运动。
Astoria USES frequency modulation motor, belt drive, to achieve a continuously variable.
道夫采用调频电机，齿形带传动，实现了无级变速。
In this paper GTR Base-drive circuits on PWM variable frequency and variable speed systems for induction motor drive are studied.
本文介绍了为异步电动机PW M变频调速系统而研制的GTR基极驱动电路。
Finally, analysis speed-loop of variable frequency drive crumb cake hydraulic machine.
最后，分析了变频调速液压屑饼机的调速回路。
After the equipment has reconstructed, the simulation results show that the variable frequency drive crumb cake hydraulic machine is a stable and fast response system.
对优化后设备的仿真研究表明变频调速液压屑饼机是一个稳定、响应快速的系统。
Again, the system mathematical model of variable frequency drive crumb cake hydraulic machine is established.
再次，建立变频调速液压屑饼机系统的数学模型。
This of those includes description to the variations of the pump efficiency, motor efficiency and variable frequency drive (VFD) efficiency at the reduced load conditions.
这其中包括了对部分负荷下泵效率、电机效率和变频器效率变化的说明。
An analysis of the reason and the impact of load distribution in the variable frequency drive for the paper machine is presented in this paper.
本文分析了纸机变频传动的负荷分配问题产生的原因及造成的影响，还介绍了解决负荷分配问题的方法。
This machine adopts variable frequency drive to accurate control the roller speed, high precision steel roller to accurate control the temperature.
该机采用变频驱动，辊轮速度控制准确。高精度锻钢辊筒，温度控制准确。
An ac variable frequency drive system of paper machine with PLC controller is introduced.
介绍适用于造纸机的变频调速PLC控制系统。
An ac variable frequency drive system of paper machine with PLC controller is introduced.
介绍适用于造纸机的变频调速PLC控制系统。
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