调速

It is not only to provide the steam turbine generating units and compressor bearings, couplings, gear boxes of different growth rate of the lubricating oil pressure, and turbine governor to provide a governor oil pressure, but also to the low and high pressure cy

它不仅提供机组的汽轮机和压缩机的轴承、联轴器、齿轮增速箱不同压力的润滑油，而且向汽轮机调速器提供一定压力的调速油，还向低、高压气缸提供不同压力的密封油。

The oil pump control system of governor oil pressure unit at power plant of Naban reservoir was modified with contact-free,soft start,intelligent pressure control unit,which not only remove the defects from traditional oil pump motor control mode consisting of relay and contactor,but also upgrade the control automation degree,improve starting performance and permit convenient operation.

通过利用无触点的智能软启动压力控制装置对那板水库电站调速器油压装置油泵控制系统的改造，解决了油泵电动机采用传统继电器———接触器控制方式所存在诸多缺陷，提高控制的自动化程度，改善启动性能，方便操控，经过3年多的应用，运行良好，为水电站的调速器油压装置油泵控制提供了一个好的借鉴。

In this paper ,The inertia load disturbance is included in the double loop DC motor control system, Analysis of the load moment of inertia and The width of the linear area of nonlinear saturation relationship,use the method of "quasi-equivalent" modeling to model the nonlinear state space of the DLM with variable load,tested the speed response of the real system, and used an improved genetic algorithm to accurately identify the model's parameters.

本文将惯量负载的扰动纳入直流电机双闭环调速系统，分析了负载转动惯量与饱和非线性的线性域宽度λ的关系，运用&类等效&建模的方法，建立了变负载直流电机双闭环调速系统非线性状态空间模型。

Selection of three-phase induction motor VVVF have a wide speed range, in order to achieve different kinds of fiber processing, eight roller guide wire to increase the use of the machine.

选用三相变频调速异步电机有一个比较宽的调速范围，以实现加工不同品种的纤维，增加八辊导丝机的使用范围。

By establishing the mathematical model of the variable displacement pump variable displacement motor volume speed-modulating system and dynamic simulation with the module of MATLAB/SIMULINK,analyzed and concluded the dynamic characters and impact factors,offer a theoretical basis for further application.

通过对变量泵-变量马达容积调速系统进行数学建模和利用MATLAB/SIMULINK模块进行的动态仿真，分析和总结了容积调速系统的动态特性及其影响因素，为以后的系统应用提供了理论依据。

Type DPT250D variable-frequency speeding blister packing machine uses Taiwan Taida frequency converter. The frequency is as twice as other same machines and is applicable for different specs of tablets, sugar-coat pills, capsules, CAP, and abnormal tablets and granules.

DPT250D变频调速泡罩包装机，采用台湾台达变频调速、是同类机型效率的一倍，适用各种不同规格的素片、糖衣片、胶囊、胶丸及异形片粒状等药品。

Timing system is the important factor to stablize producing, through transforming the timing system, it not only reduces consumption of machine accessory, but also ensures stocking machine normal moving and stockings batch production.

袜机调速系统是保证袜机稳定生产的重要因素，通过调速系统的改造，不但降低了机配件的消耗，而且保证了袜机的正常运转和丝袜的批量生产。

Combing the SCM hardware resources with the software process,the system design completes the control functions such as digital impulse spring,digital logical switch and digital feedback,achieves a reversible adjustable-speed regulating control of DC electromotor,and improves the precision and control capability of reversible adjustable-speed regulating system.

利用单片机的硬件资源与软件程序相结合，完成数字脉冲触发、数字逻辑切换及数字反馈等方面的控制功能，实现对直流电动机的可逆调速控制，提高可逆调速系统的精度和控制性能。

Based on the research on the theory and technology of dual-PWM variable frequency AC motor control, a design of dual-PWM variable frequency AC motor control system which has factor control loop rectifier and slip frequency speed regulator is proposed.

本文在总结和研究当前双PWM变频调速基础理论和常见技术的基础上，设计并研究了一种基于DSP的整流侧功率因数闭环、逆变侧转差频率控制的双PWM异步电机变频调速系统。

The papers will expatiate on vessel electric propulsion motor drives technology, and analyze varieties of converters, how to be used to the vessel electric propulsion system.

驱动系统是电力推进系统的关键技术之一，它伴随着电机控制理论和电力电子器件的发展而不断得到发展。可调速驱动系统在工业上已应用很长时间了，但第一次通过使用电力电子器件实现可调速驱动是在20世纪60年代末。

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。