调速

Therefore, in the industrial production vigorously develop the use of PLC control functions of the complete speed batching system is very necessary.

为此，在工业生产中大力开发使用PLC完成控制功能的调速配料系统是非常必要的。

The design is completed PLC controller speed batching system hardware design.

本设计正是完成以PLC为控制器的调速配料系统的硬件设计。

The bench test results show that this speed governor system could operate stably,the engine could start promptly and placidly,and all performances are quite well both at static state and at dynamic sta...

柴油机台架试验的各项数据表明，该电子调速系统工作稳定，起动平稳迅速，稳态和动态性能良好；在系统关键零部件失效时，系统能实现自动无扰动切换，从而可以有力提高系统安全可靠性。

Benzine engine, when applied as the power plant for agricultural machinery, generator and so forth, is equipped with speed governor to insure a steady re~ as there is a change of load.

中文摘要：汽油机作为农业机械、发电机组及其它场合的动力装置都装有调速器，以在负载变化的情况下保持转速基本不变。

The main brake adopts energy-consumed braking; the auxiliary brake adopts the new-type band brake; the mechanical drive adopts a driving method which combines cycloidal reducer and chain drive; the bailing metering unit adopts the digital control mode which uses the single-chip microcontroller as the central processing unit.

该绞车采用交流变频控制，实现无级调速；主刹车采用电动机能耗制动，辅助刹车采用带棘爪机构的带式刹车；机械传动采用摆线减速器与链传动相结合的传动方式；捞砂计量装置采用单片机微控器作为中央处理单元的数字控制模式。

A new method of multi and step_speed change by using PLC controlled switching model converter was introduced,it was developed to update the technology in doffer drive system of A186D high_speed carding machine.

介绍了一种采用PLC的开关量输入、输出模块控制变频器进行多级有级调速的方式，该技术可用于A186D型高速梳棉机道夫传动系统的技术改造，获得了较高的性价比与经济效益。

Cycloconverter-fed drive is generally used for very large horsepower, low-speed applications, such as rolling mills, winding motors, marine propeller, cement mixer, etc.

交-交变频传动是一种在大功率、低速范围内广泛采用的交流调速方案。

Being the key element for transferring between the electric andliquid signals in the actuator governor, the change-over switch must be highly reliable.

电液转换器是调速器电、液信号转换的关键元件，要求其必须具有很高程度的可靠性。

Based on the characteristic equation of asynchronous motor,the conception of slip control was discussed.

以异步电动机机械特性方程为基础，讨论了转差率控制的基本概念，分析了转差率控制的基本规律，设计了基于转差率闭环控制的异步电动机变频调速系统，并介绍了该系统的主要特点。

However, due to the direct conversion characteristic of matrix converter, the drive performance of induction motor is easy to be influenced by input voltage disturbances of MC.

但是，由于矩阵式变换器的直接变换特性，异步电机系统的调速性能易受到矩阵式变换器输入侧电压扰动的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。