交流调速的关键技术在于SPWM控制技术。
The key technology of AC speed regulating is SPWM control technology.
对于变频调速的设计应用具有很大参考价值。
It has important values for the design and application of adjusting speed of inverter.
输送机的速度可配置成定速或可调速的控制方式。
Conveyor speed can be configured into a fixed speed or speed control mode.
一般不需要调速的场合，可采用普通或隔爆电机驱动。
In normal condition, it can adopt common or flame proof induction motor.
其矢量控制系统也是最复杂的交流电机调速控制系统之一。
Its vector control system is one of the most complicated ac adjustable speed control systems.
调速比为1：50 00，从低速到高速都具有稳定的转矩特性。
Speed ratio is 1:5000, from low speed to high speed, all have steady torque characteristics.
因此，对水轮机调速器的软件、硬件实现的研究具有极为重要的意义。
Therefore, it has important significance to research the hardware and software of hydraulic turbine governor.
这是一款使用最简便的调速仪。
实验结果表明，该调速系统具有良好的动态性能和控制效果。
The experimental results show that the system has good dynamic performance and control effect.
论文对多相永磁同步电机调速系统采用智能控制的方法进行了深入的研究。
In this paper, intelligent control methods applied in multiphase speed control system are deep investigated.
她强调速度的重要性。
主发电机调速器用于检查油等级的检查玻璃需要换新。
The inspection glass for oil level of main generator engine governor, to be renewed.
一个使用MATLAB的例子，在电机调速方面的应用。
An example of the use of MATLAB, the motor on the application.
可为调速离合器的控制设计提供理论依据。
The theory proof of the control design of modulated clutch has been provided.
如何选用最佳的调速方案？
理论分析和实验结果证明了这种调速系统的优良特性。
Theory analysis and experiment results prove the good performances of this speed regulating system.
实验表明，这是一种可行的调速方式。
The experiment shows that this method is a practical speed governing method.
说明了变频调速系统的节能效果是最好的。
The show energy conservation effect of frequency control system is the best.
特别是由于采用了涡流制动器调速系统，更加改善了运行机构的运行特性。
Particularly the use of eddy current speed control system improves performance of the mechanism.
本文介绍一种用单片微机进行控制的数字—模拟调速方案。
This paper introduces D/A method of regulation speed with the computer on slice.
该方法已应用到直流电动机的调速上，并取得了满意的效果。
It was applied to speed control ind-c motor and obvious effect has been found.
本设计是基于AT 89 C51单片机开发的电扇遥控调速系统。
This design is based on AT89C51 development speed system of remote control electric fan.
介绍了油泵调速调节技术和选择油泵调速装置的一般原则。
Oil pump speed regulation technology and the general principle for speed regulator slection are intro-duced.
文章还介绍了斩波调速系统所采取的电流保护策略。
The paper also deals with current protection strategy employed in chopper's speed regulating system.
新系统的控制方法和普通串级调速系统一样简便。
The control of this new system is as simple as the common scherbius system.
这种装置在调速系统中是很重要的。
This kind of device is much needed in the speed-regulating system.
则可实现最大范围的调速运行。
船舶主机的调速器主要采用比例积分微分(PID)控制规律。
Most of speed controllers of main engine in ship use PID control method.
直流调速系统是自动调速控制系统的主要形式。
DC driving system is the main form of automatic control system.
直流调速系统是自动调速控制系统的主要形式。
DC driving system is the main form of automatic control system.
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