查询词典 function and power

For chemical industry, it gives priority to petrochemical, marine chemical, salt chemical, coal chemical and related supporting refined chemical industries; For mechanical manufacturing, it is to create production and processing bases of petroleum mining machinery; For modern logistics industry, priority is given to crude oil and petrochemical, sea transport of bulk cargo, coal and minerals for far-term development, to create a regional comprehensive logistics center of North Shandong, Shanxi and Hebei; For power supply and energy source industries, importance is attached to ultra supercritical large-sized power supply projects and large-sized wind power generation projects, to build the largest electric power supply base in North China.

化工产业重点发展石油化工、海洋化工、盐化工、煤化工及相关配套的精细化工等；机械制造业着力打造石油机械设备生产、加工基地；现代物流业重点发展原油及石油化工产品、散杂货海洋运输，远期发展煤炭、矿石等物流，力争建成鲁北及晋冀地区综合性物流中心；电力能源产业重点推进建设超超临界大型电源项目和大型风力发电项目，建成华北地区最大的电能供给基地。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

Experimental results show that the power spectrum of the random oscillation function follows a power law, thus the Weiersterass-Mandelbrot function is introduced and the method and procedure of simulation for the ground motion produced by explosions are presented.

根据随机振荡函数功率谱满足指数关系的实验结果，引入Weiersterass-Mandelbrot函数，给出了爆炸所致地面运动的仿真方法和过程。

Self Power Multi-function Lantern is made of high capability dynamo which without brush, power storage which is clean and environment protect, LED lamp which is ultra bright function that have long life and accidental circuit.

项目简介：自发电多功能手提灯由高性能无刷发电机，绿色环保电能存储器，高光效长寿命LED灯及附属电路组成。

The VSCF DFIG wind power generation is transient response proceeding, which is influenced by operation characteristics of generator before and after grid connected. A novel S-Function is adopted to describe the mathematic model of DFIG based on state equation. A complete simulation model of VSCF DFIG wind power generation system based on MATLAB/Simulink and SimPowerSystems is established, which can be used to not only simulate subsystems of no-load operation and generation operation, as well as can be used to but also accurate control parameters of DFIG in simulation. The simulation model have excellent transportability, and can be used DFIG of different power rated if only design relevant controller.

变速恒频双馈电机风力发电是一个受并网前后发电机运行状况影响的暂态过程，利用MATLAB的S-Function编写DFIG的仿真程序，然后结合Simulink和SimPowerSystems工具箱，开发了基于S-Function的空载运行和发电运行的变速恒频双馈电机风力发电子系统模型，在仿真过程中可对双馈电机进行精确控制，然后对其进行了系统整合，本文开发的模型具有可移植性，只要再设计相应的控制器，就可应用于不同功率等级的双馈电机风力发电系统。

Of electric current, voltage and resistor what can make up programmed control to make electric current, voltage and power is accurate read time use within transient state simulative generator of buy pulse form is successive as laden as pulse job has the synchronism outside complete protective function to spark input higher power can shunt-wound job can make, electronic load is all Agilent Dc that the solution of stand-alone of ideal equipment Agilent of power cell and batteries capacity test offers your place to need all sorts of dynamic and laden application undertook optimizing.

电流、电压及电阻的可编程节制电流、电压及功率的切确读回用于瞬态模拟的内置脉冲形发生器陆续与脉冲负载工作存在完整的保护性能外同步触发输入较高功率可并联工作可使到高达240V的负载可利用单输入或多输入主机箱 3年保修期 Agilent直流电子负载是测试与评估直流电源，功率元件和电池容量测试的理想行动措施 Agilent单机解决方案供给您所需的一切 Agilent dc电子负载为各类动静负载应用进行了优化。

The model has the following features: 1 The security information provided by the assessment result is more dependable because of the consideration of some main uncertain factors; 2 The improved analytic method of power system DSR and the dynamic equivalent technologies are applied to reduce the computing time and to make the model more practical; 3 Step-up assessment strategy is adopted in order to balance the precision and computing time requirements; 4 Decompounding of system insecurity indexes to each system component, or to each generator and consumer, and the visualization of assessment results, will help the operators to understand the security status of the power system more clearly; 5 The assessment results can be beneficial to the preventive control in traditional power systems and the security pricing in power market environments.

模型具有如下特点： 1由于综合考虑了一些不确定因素对系统安全性的影响，使得评估结果更加可靠； 2采用求解电力系统动态安全域的改进解析法，结合动态降维技术，大大减少了动态安全域的计算时间，使得模型比较实用； 3采取逐步递进的评估策略，以适应计算精度和计算时间要求； 4可定量分解出各元件或各发电与用户对系统不安全的贡献，配以形象直观的评估结果显示，使操作人员清楚了解系统的安全状况； 5评估结果在传统电力系统可帮助制定预防控制措施，在电力市场可用于安全性定价。

Though the present switching power supply has been already much lighter and handier than the early linear power supply. But the switching power supply interior still contains a lot of control functions and each control circuit needs some external passive devices, so it still has certain volume and weight. If we combine all the control circuits and the passive devices with whole combo control IC, it will efficiently reduce the volume and weight of the power supply, and the manufacturing cost of the products can be reduced, too.

中文摘要虽然目前的交换式电源供应器已经比早期的线性式电源供应器轻巧许多，但是交换式电源供应器内部仍然含有许多的控制功能，以及各个控制电路所需要的外加被动元件，因此仍具有一定的体积与重量；若是将这些控制电路以及被动元件皆整合成为一个复合式控制晶片，将使得电源供应器的体积与重量能够有效的缩减，同时产品的制造成本也能降低。

As the implementation of power generation separating from grid company and the establishment of power market, the internal and external environment, organization and management style of provincial power grid company have been changed greatly. The existing performance management system of provincial power grid company is not able to adapt to the demands of current business management and internal and external environment. As an important part of the managing and controlling system, performance management system has to be adjusted to adapt to the changes.

随着中国电力体制改革&厂网分开&的实施和电力市场的建立，省级电网企业的内外环境、组织结构及管理模式等都发生了较大的变化，原省级电力公司的绩效管理体系已不适应目前企业经营管理和内外环境的需要，作为管理控制系统重要组成部分的绩效管理系统也应随之进行适应性调整。

For this purpose, from 2004 to 2006 Professor Zhang create uniform limit power function space and strong limit power function space that are large, nice spaces.

Sarason在1984年提出了遥远概周期函数和缓慢振动函数并提出了一个公开问题，本文对这两个函数主要做了以下工作第一，将在一维空间中定义的遥远概周期函数和缓慢振动函数推广到高维空间，并指出其与一致极限幂函数和强极限幂函数等新的极限幂函数的关系。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。