However, the motor's cascade speed regulating technique provides a sim...
而电机串级调速技术提供了一种简洁、高效的节能方法。
The paper introduced the application of internal feedback cascade speed control system on boiler fans in Yancheng Plant.
分析了异步电动机串级调速的工作原理与性能特点，介绍了内反馈串级调速电机及其装置的系统结构。
A new method of cascade speed regulating of asynchronous motors using full digital DC driver was introduced in this paper.
介绍了一种利用全数字直流驱动器实现异步机串级调速的方法。
A cascade speed control system mainly consists of a wound asynchronous motor, a three-phase rectifier and a three-phase thyristor (?) inverter.
串级调速系统的主要组成部分是线绕式异步电动机，三相桥式整流器和三相可控硅逆变器。
Internal feedback cascade speed control system is proved to have a good cost performance and can be used on large and medium type fans extensively.
内反馈串级调速系统是一种具有优良的性能价格比的调速节能设备，适合于电厂的大中型风机调速节能运行。
The experience in application of internal feedback cascade speed regulation technology for rotors to high voltage asynchronous motors is introduced.
介绍了设备改造方案及转子内反馈串级调速技术在高压异步电动机上的应用经验。
Firstly this paper discusses the principle and tuning process of the regulators and input filters of asynchronous motor cascade speed regulation systems.
本文首先讨论了异步电动机串级调速系统的原理及其调节器及输入滤波器的整定过程。
In this paper, the mechanical characteristic and energy-saving principle of the chopping cascade speed regulating motor is discussed, and motor's simulation model is created.
文章分析了斩波串级调速电动机的机械特性及节能原理，建立了调速电动机的动态仿真模型。
This paper starts from the physical processes of cascade speed control system and derives several groups of elementary electromagnetic equation, dynamic block diagrams, and matrix equations.
本文从串级调速控制系统的物理过程出发，推求出几组基本的电磁方程、动态结构图及矩阵方程。
The theoretical analysis and field adjustment of a AC cascade speed regulating system with double closed-loop employed in a synthetic fibre bar making unit imported from Switzerland are conducted.
本文对一从瑞士引进的应用于合成纤维成条机的交流串级调速双闭环系统进行了理论分析与现场调试。
Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.
晶闸管串级调速系统是一种廉价、简易的调速系统，但是传统串调系统存在着诸如功率因数低、谐波污染严重等弊端。
The control process of bar rolling speed was presented and the effects of low tension, loop and cascade control in speed regulation were described.
介绍了棒材轧线的系统结构及轧机速度控制过程，详细说明微张力、活套以及级联控制等在速度调节中的作用。
Discuss in detail the torque characteristics of hoister double-fed cascade adjusting speed system and the designing calculation of starting torque of hoister shearing resistor.
文中详细论述了提升机双馈串调系统的转矩特性和提升机切电阻时启动力矩设计计算。
PLC control is adopted in automatic control system for finishing area of Chuanwei 950 mm hot strip mill. Main functions include speed cascade control, tension control, looper control, APC control etc.
川威950热轧带钢精轧区自动控制系统采用P LC控制，主要实现速度级联控制、张力控制、活套控制、APC等。
The relation between the number and speed of stall cells and the circumferential stalled region and the main geometric parameters of cascade is described.
描述了失速团数目、失速团传播速度和周向范围与叶栅主要几何参数的关系。
The flow field visualization of a straight HP turbine cascade is conducted in a large-scale low-speed open -loop cascade heat transfer wind tunnel.
在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了流动显示实验研究。
The flow field of straight HP turbine cascade was investigated experimentally in a large-scale low-speed open-loop cascade heat transfer wind tunnel.
本文在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了实验研究。
Cascade drive is a kind of speed regulation with high feature and low cost for fans and pumps.
对风机和水泵类负载，串级调速是一种高性价比的节能调速方法。
For validating the aerodynamic characteristics of LP turbine guide vane, the wind blow was carried out for test cascade of the guide vane on the low speed annular wind tunnel.
为了考查低压涡轮导向器的气动性能，在低速环形叶栅风洞上对导向器的实验叶栅进行了吹风实验。
This paper introduces chop feedback speed regulation technique and compares it with frequency conversion and cascade technique.
介绍了斩波内馈调速技术，以及与变频和串级技术的比较。
Cascade multilevel inverter has extensive application in the high voltage variable frequency modulated Speed System for its numerous advantages.
级联式多电平逆变器因其具有众多的优点，在高压变频调速领域中得到广泛应用。
Finally, based on the principle component of the descriptors, a cascade filtering is designed to speed up the feature matching.
最后根据描述子主成分的差异设计层叠分类器，加速特征匹配。
This paper discusses the theoretical and experimental studies on the KASKAD 8a A. C. Cascade adjustable speed system which was imported by Guangzhou Water Company from Emphasis ASEA Company.
本文对广州自来水公司从瑞典asea公司引进的KASKAD8a交流串级调速装置进行了理论和实验的研究。
Low-speed wind tunnel opening of the main components of gas-collecting devices, cellular devices, tangled net, fairing and cascade-type deflector, such as anti-twisting.
开口低速风洞的主要组成部分包括集气装置、蜂窝器、紊流网、整流罩和叶栅型反扭导流片等。
Low-speed wind tunnel opening of the main components of gas-collecting devices, cellular devices, tangled net, fairing and cascade-type deflector, such as anti-twisting.
开口低速风洞的主要组成部分包括集气装置、蜂窝器、紊流网、整流罩和叶栅型反扭导流片等。
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