调速器

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。

Colla Electronics successfully developed their own independent inquiry of the AC / DC regulator governor, has reached domestic leading level of technology.

科亚电子公司自主独立研开发成功的交/直流调压调速器，已经达到国内领先技术水平。

In this paper, the time constants of turbine-generator set, the adjustment error coefficient of governor and frequency error in power system are studied, mostly including introducing to of the new control performance, building model for interconnection, analysis of characteristics of turbine units and imitation of example.

本文对其中的汽轮发电机组各时间常数、调速器的调差系数以及频率偏差系数对其评价的好坏进行了研究，主要包括新的控制性能标准介绍和互联系统建模、机组特性分析以及算例仿真三个方面。

The results show that it is feasible to remove the tailwater surge chamber at the station in consideration of the optimized closing of the guide blades and the properties of the units.

计算表明，通过考虑机组特性、优化机组导叶关闭规律及合理整定调速器参数，该水电站取消尾水调压室的方案是可行的，其各设计参数控制值基本上能满足设计要求。

Our main products include many important springs such as the valve diesel engine, oil-pump, oil- spigot, actiyator, booster,full springs used in the valve and camshaft of the automobile and motorcycle,every kind of general compressed ,drawing, turned , clockwork and dishing springs,every kind of cone-shaped, convex, dished and tower-shaped springs with different diameter, pitch and multilayer tubbish.

主要品种有柴油机气阀、油泵、油嘴、调速器、调压等各种重要用途弹簧：汽车、摩托车气阀、凸轮轴等全机簧；各种通用的压缩、拉伸、扭转、发条、碟形等弹簧；锥形、中凸、中凹、塔状等各种变直径、变节距异形弹簧、多层筒式弹簧等。

This machine uses the frequency conversion velometer, has the injection stride width adjustable function.

本机采用变频型调速器，链条步进距离和步进速度及针头注射速度同步可调。

This series machine adopts best quality parts like Japanese WAC piezo-ceramics selectors, Denmark Danfoss frequency transformer for speed adjusting, Britain brand steel wire track and auto-oiler that supply oil as requirement in different place.

本系列机采用国际领先的日本WAC公司压电陶瓷选针器，丹麦产丹佛斯变频调速器，英国产钢丝跑道，同时配备的自动加油装置可根据圆机不同部位所需的不同油量而调定每个润滑点的加油量。

Main business: swp series pressure transmitter; thermal instrumentation; temperature and humidity, liquid level, flow, pull, such as weighing sensors, transmitter; ammeter, voltage meter, note the number of mind-meter, and frequency tables, tachometer time relay, temperature controller, PID regulator, etc.; water level control devices and the water level electrode, logger and related supplies; frequency converter, soft start, programmable controllers, industrial control and other support.

主营业务：swp系列压力变送器；热工仪表；温湿度、液位、流量、称重拉力等传感器、变送器；电流表、电压表、记数记米器、频率表、转速表时间继电器、温控仪、PID调节器等；水位控制仪及水位电极、记录仪及相关耗材；变频调速器、软启动器、可编程控制器、工控配套等。

Power-Servo by the Sino-German joint-venture companies operating in the professional CD-ROM production equipment electronic circuit systems, CNC systems, industrial control systems, SCM, and so on Research and Development, maintenance, automation project design, programming and debugging as one of the installation of automated Technology high-tech companies, such as: AE Power, Honle, UV-Tech UV lamp power, Pfeiffer Pfeiffer pumps, Leybold molecular pump, alcatel Alcatel pumps, WDP controller, AC-DC servo amplifier, servo drives, Drives, Light-foot signal processors, digital sensors, industrial motherboards, industrial switching power supply, I / O board, DC governor, PLC, touch screen monitors, human-computer interface, multi-axis controller, etc. China is the first CD-ROM industry CD production equipment maintenance center Microelectronics, Germany Spectairs authorized by China's optoelectronics and sophisticated technical support center.

Power-Servo公司是由中德合资经营专业从事光盘生产设备电子电路系统、数控系统、工控系统、单片机等等开发研究、维修、自动化项目设计、编程、安装调试为一体的自动化技术高科技公司，如： AE电源、Honle、UV-Tech UV灯电源、Pfeiffer普发分子泵、Leybold分子泵、alcatel阿尔卡特分子泵、WDP控制器、交直流伺服放大器、伺服驱动器、变频器、光尺信号处理器、数字感应器、工控主板、工控开关电源、I/O板、直流调速器、PLC、触摸屏显示器、人机界面、多轴控制器等等是中国光盘行业首家光盘生产设备微电子维修中心，德国Spectairs授权的中国光电子和精密技术支援中心。

A non-linear mathematical model is presented herein to describe the dynamic performance of the governing system for station, and furthermore, the additional index to evaluate the governing performance of the pump-turbine is put forward, that is that the selection of the governor parameters must promote the quick attenuation of the fluctuation of the water level in the surge tank.

文中提出了描述抽水蓄能电站调节动态特性的非线性数学模型，提出了衡量水轮机调节性能质量的附加指标－调速器参数的选择应促使调压室水位波动的快速衰减。

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。