查询词典 electrical system

The infrared diagnosis technology in the Sichuan electrical network success application show the infrared diagnosis technology regarding the power equipment in exterior flaw examination and the diagnosis which the effect is remarkable suits to promotes the application in the electrical power system.

红外诊断技术在四川电网中的成功应用说明红外诊断技术对于电力设备的内外部缺陷检测和诊断，效果显著，适合于在电力系统中推广应用。

Especially, the inductive load and impactive load of electrical equipments bring much Var and harmoniousness to the power system. They lead to low power factor, vast harmonious component and lead to other electrical equipment deviant work.

特别是用电设备中的感性负荷和冲击负荷给电网带来了大量的无功和谐波，造成电网功率因数降低，谐波成分增大，引起本身和其它用电设备不能正常高效的工作，为此，补偿电网的无功和谐波就成为人们及其关注的课题。

And the reasonable proposal for the construction the region electrical power system was put forwardThe power load forecast is the basis of the power system planning.With the actual planning of regional development,uses a scientific and effective load forecasting methods forecast plans the local load electric quantity,is an important work to the regional power system planning.This dissertation uses the BP algorithm, proposed a double hidden layer structure artificial neural network to the forecast ultra-short-term power system load.After the simulation with the actual data,the method which this dissertation proposed compared to the traditional linear extrapolation Prediction method average absolute percent error of 2.5 percentage points,ten minute load forecasts achieve the average absolute percentage error are smaller than 2.5%accuracy.

本文利用人工神经网络BP算法，提出了一种双隐层结构的电力系统超短期负荷预测方法，经过对实际数据的仿真实验，本文提出的神经网络超短期负荷预测方法比传统的线性外推法预测平均绝对百分误差降低2.5个百分点，十分钟负荷预测达到平均绝对百分误差小于2.5%的精度。

Company's main products are: electrical, electronics, electric mode, the number of electricity, electric drive, machine tools, electrical and mechanical, digital language learning system; Dianhuajiaoshi multimedia computer multimedia teaching network equipment and home appliances comprehensive experimental physiology of complete sets of equipment; full transparency car Teaching model vehicle driving simulator, such as seven series over 100 varieties, it is the technical schools, tertiary institutions necessary laboratory products, products on the market has been well received by the education departments, schools welcome, The products of the enterprises have become the preferred products science and education sector.

公司主要产品为：电工、电子、模电、数电、电力拖动、机床、机电、数字语言学习系统；多媒体电化教室；计算机多媒体教学网；家电综合实验设备及生理化成套设备；全透明汽车教学模型；汽车驾驶模拟器，等七大系列一百多个品种、它是职技校、大专院校的实验室必备之产品，产品投放市场以来，深受教育部门、各类学校的欢迎，本企业的产品已成为科教界首选产品。

It has mome years that Our company production 、Manufacture、sale industrial equipment,Specially Envir-onmental protection equipment(industrial Waste gas Processing,Noise processing,Dining lampblack Processing equipment),Each kind Electrical appliances Assembly Production line,LCD-TV High temperature and Humidity Aged room,Power source aged room,Automated painting equipment,Non-standard automatic equipment and so on,we have rich Experience of Design, manufacture, installment,we have r high praise by deeply general cu-stome Continuously of Product quality and Post-sale service In same profession,In production process, we Strict execution ISO-9001 Quality control system that Close has even surpassed the overseas levelof Outward appe-arance design and Manufacture craft,we have many Mechanical engineer and electrical engineerwith Rich work experience in Mechanical profession,Has the unique merit For customer manufacture craft plan and Solves the complex technical process that Approximately time, manpower, physical resource for Customer,and Enhanced the working efficiency greatly

本公司从事工业自动化设备的生产、制造、销售已有数年时间，特别是在环保设备（工业废气处理、噪声处理、餐饮油烟处理设备）、各类家电装配生产线、LCD－TV高温高湿老化房及电源老化房、自动化涂装设备、非标自动化设备等有着丰富的设计、制作、安装经验，在同行业中，产品质量、售后服务一直深受广大客户的好评；在生产过程中，本公司严格执行ISO－9001质量管理体系，使公司产品在外观设计上、制作工艺都已接近甚至超过国外水平，本公司有多名在机械行业有着丰富工作经验的机械工程师和电气工程师，在为客户制作工艺方案，解决复杂工艺流程，有着独特之处，为客户节约了时间、人力、物力，大大提高了工作效率。

In order to maintain the system stability the constraint is such that the phase-angle difference between any two generating sources in the to-be-interconnected electrical power systems should not exceed a permissible value, The tie line is selected based on the minimum annual cost, with the costs of both the new tie line and the necessary network expansion in the original electrical power systems...

该模型以联合电力系统中各电源点之间相角差均不超过允许值作为保持系统静态稳定性的约束条件，在按年费用最小选择联络线方案时，同时计及了新建的联络线和原有电力系统中网络的扩建。文中还给出了某两个电力系统联网的分析计算结果。

Use mechanical and electrical equipment such as drilling machines, whole-inspecting machine, classificatng machine and so on to record the second-hand document, and use electrical brush as the information retreval system to retrievae the components.

用诸如打孔机、验孔机、分类机等机电设备记录二次文献，用电刷作为检索元件的信息检索系统。

A new way to test the film electrical wire on VFD scaleboard is introduced in this article.The author compared the in-out capability of film electrical wire with singlechip.The system has been tested which indicates that the operating costs of VFD could be lowered.

摘 要：本文提出一种测试VFD基板导电线路的系统设计，利用单片机进行输入输出的比较，判定其导电线路的质量，通过实际应用表明，它能大幅度的降低VFD的生产成本。

With the rapidly development of the Fujian electrical network, especially the tie line power exchanging with the East China electrical network, the mode and status of power system operation become more complex.

近年来，福建电网取得了长足的发展，实现了与华东电网的交流联网，电网的运行方式和运行工况更加复杂，增加了电力系统安全稳定和故障分析的难度。

In the paper,It is pointed out that adding the function of pre-payment control with IC card in ordinary electrical energy measurement box of distribution and transform is a new type control method. The structure and main functions and designing requirments of electrical energy measurement- control management system are presented.The applyment results and design thoughts and good points of making communication program in use of software shaking hands are discussed.

摘 要：指出了在普通配变电能计量箱中增加IC卡预付费控制功能是一种新型的适合我国国情的农村电能计量控制方式，介绍了农村配变电能计量控制管理系统的结构、主要功能、设计要求，着重讨论了采用软件握手方法编制通信程序的思路、优点和实际效果，该系统特别适用于当前的农网改造和西部大开发。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。