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。
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。
The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
双馈发电机的有功和无功功率的解耦控制是变速恒频（VSCF）风力发电系统的关键技术。
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；
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。
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。
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。
The result of analysis and experiment show that the proposed method can be applied in the AC variable frequency speed control system which is nonlinear, fast changefully and difficult to be modeled.
理论分析与实验的结果表明：该方法对异步电机变频调速这一非线性、快速多变、难于建模复杂系统的控制是实用和有效的。
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。
DSP-based variable frequency AC motor speed control system, he is more use of the procedure.
基于DSP的交流电动机变频调速控制系统，他是比较使用的程序。
This article is about the research of space control in the variable speed constant frequency wind energy conversion system.
本文主要研究了变速恒频双馈风力发电系统中的矢量控制。
This paper introduces the control method for the Wind Turbine Units of constant speed constant frequency and variable speed constant frequency.
文章介绍了恒速恒频及变速恒频并网型风力发电机组的控制方法。
Variable frequency altering-speed system of supplying water for high building using PLC control was designed by double-channel integral circuit.
应用电子技术按设定频率上、下限实现自动转换的双通道积分电路，并按此设计PLC控制的变频调速高楼供水系统。
The application of ABB ACS800 direct torque control (DTC) frequency-variable speed control system in the reducer loading test was presented.
介绍应用abb公司的ACS800直接转矩控制(DTC)变频调速控制系统具体实现减速机性能的测试。
Therefore, it is necessary to study the frequency control strategy of the variable speed wind turbines, use variable speed wind turbines to improve the frequency control ability of the power system.
因此，有必要研究变速风电机组的频率控制策略，利用变速风电机组来提高电力系统的频率控制能力。
To the most potential variable-speed constant-frequency doubly fed induction generator, the device of power electronics converter used to control rotate speed is analyzed.
针对最具有发展潜力的变速恒频双馈风力发电系统，分析其用于转速控制的电力电子变换器装置。
In this paper, a slip-frequency vector control system using a single-chip micro - computer 8031 of MCS-51 family for variable frequency speed control of induction motor is introduced.
本文介绍了一种采用MCS—51系列单片机8031对异步机实行滑差频率矢量控制的调速系统。
The electric control unit USES variable frequency step-less speed regulation for easy operation, operation panel is simple and clear.
本机的电气控制采用变频无级调速，操作方便、直观，操作面板简洁、明了。
Based on the new ANN (artificial neural network) inverse system control method, the AC variable frequency speed control system is analyzed and experimented.
本文运用神经网络逆系统这一新的控制策略，对异步电机变频调速系统进行可逆分析与控制试验。
Based on specific demand in machining process, a constant line speed control method is proposed, which is used in variable frequency speed control system.
针对数控机床工件恒线速加工时的特殊要求，提出了一种应用于变频调速系统的恒线速控制方法。
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。
And using the frequency variable adjusting speed technique to control the speed of benzole cooling pump automatically, to achieve the temperature stability of the benzole.
同时利用变频调速自动控制粗苯冷却泵的转速，实现粗苯温度的稳定。
The control system for heat-recovery process from circulating cooling of sintering machine is introduced. In this system small- sized DCS, PLC and variable frequency speed adjuster are composed.
介绍在烧结机环冷余热回收工艺中应用小型DCS、PLC与变频调速器所构成的控制系统。
The variable speed constant frequency double-fed wind power system is taken as the research object and the control problem of maximum wind energy tracing below the rated wind speed is studied.
以变速恒频双馈风力发电系统为研究对象，研究了额定风速以下风能的最大追踪控制问题。
The variable-speed constant-frequency generation BDFM wind power generation power control mathematic model is firstly derived, and its power control strategy is found.
首次推导了适用于变速恒频风力发电无刷双馈电机的功率控制数学模型提出无刷双馈电机变速恒频风力发电系统的功率控制策略。
Variable voltage and variable frequency system based on vector control is applied widely in high speed train.
基于矢量控制的变压变频调速在高速列车中得到广泛应用。
From point of view of electric-energy control, AC excited generation system for wind-energy with variable-speed and constant-frequency includes AC excited generator, AC exciter and the control system.
交流励磁变速恒频风力发电系统从电能控制的角度来看，它包括交流励磁发电机、交流励磁器和发电控制系统。
Then the piecewise PID pitch-controlled algorithm and the control strategy for transition between variable speed constant frequency (VSCF) and pitch control were used in the test-bed.
在此试验台上对提出的分段PID变桨距控制算法以及变速恒频和变桨距切换设定的控制策略进行试验研究。
To this problem, the variable-frequency speed regulation and flow regulation split-ranging coordinated control of the centrifugal pump for energy saving is given.
离心泵的变频调速是目前广泛采用的流量调节方法，高效节能是其最大优点，但是当流量降低时，可能造成压头过低而影响后续流程。
A brief introduction of the variable frequency AC motor speed control features, pointed out that the centrifugal pump inverter transformation of the economy.
简单介绍了交流电动机的变频调速特点，指出采用变频器改造离心式水泵的经济性。
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