查询词典 power distribution system

Based on the analysis of three-dimensional power conductor for DC arc furnace, the electric arc deflection model was set up and the control system of the arc direction was configured. According to the bus bar distribution at the bottom electrodes cooled by water, the arc direction control principle and its configuration were described, The simulation results show that the control system can restrain the electric arc deflection and control the arc direction.

在分析直流电弧炉三维导体布置的基础上，建立了直流电弧的偏工以此作为电弧位置控制的依据，针对水冷钢棒式底电极型的直流电弧炉，阐述了其电弧位置控制的原理和系统组成，并进行了仿真研究，结果表明控制系统可以有效地纠正电弧的偏向总是并可控设定点自由控制电弧以位置。

In order to improve the reliability and quality of electricity ,this paper studying the algorithm to design the network and distribution transformer number or location based on load forecast base on CIS.The thesis conducts a research on the Geographic Information System and the GIS application on Electric power system .

配网改造优化规划的目的是首先进行负荷预测，在此基础上进行规划设计选择出最优的配变个数、位置和最优的布线结构以提高供电可靠性和电能质量，评判最优的标准为配电网线损最小。

According to the self-organized criticality of complex power system, based on the theory of statistics and probability, an effective method to determine the blackouts caused by power grid cascading failures is proposed by using the theorem of maximum attraction field of extreme value distribution.

针对复杂电力系统的自组织临界性特点，基于概率统计基本理论，利用极值分布的最大吸引场定理提出一种分析电网连锁故障大停电事故的有效方法。

Power Factor is an important economic indicator in transmission and distribution power system.

功率因数是输配电系统的一项重要的经济指标。

In the second chapter, the operating principle of solid-state laser is analyzed. Based on the model of four-level system and with the space-related rate equations, the space distribution of laser beam and pump beam, the threshold pump power, the output power, the slope efficiency, the input-output characteristic and the effect of space variables on the output character are studied. Also, the introcavity second harmonic generation theory is discussed.

第二章分析了固体激光器的工作原理，以四能级系统为模型，从与空间相关的速率方程出发，研究了泵浦激光和振荡激光的空间分布、阈值功率、输出功率与斜效率、LD端面泵浦固体激光器的输入输出特性及各空间变量对输出特性的影响，并讨论了腔内二次谐波产生理论。

This dissertation is focus on the study of shunt converter of Unified Power Quality Controller for three-phase four-line distribution power system which capacity is 10kVA.

本文以校&十五&专项科技基金课题&柔性供配电系统(配电FACTS，FACDS)&为研究背景，重点研究了用于配电系统的三相四线制统一电能质量控制器中的并联部分，容量为10kVA。

Four major aspects, i.e., traffic safety, function and service, disaster prevention and control and traffic control should be considered in the design of the traffic engineering facilities of highway tunnels, which consist of traffic signs and traffic mark lines, traffic monitoring facilities, ventilation and lighting facilities, trumpet call system, fire alarming system, fire fighting and escaping facilities, power supply and distribution facilities, central control and management system.

公路隧道交通工程的设计，主要从隧道交通安全、功能服务、防灾救灾和交通管理四个方面考虑，具体由标志和标线、交通监控设施、通风与照明控制设施、紧急呼叫设施、火灾报警、消防与避难设施、供配电设施和中央控制管理系统与设施等组成，介绍了设计的指导思想，解释了各内容的功能和作用，同时指出了设计中存在的问题。

The list of standard items on the SR5 and Limited grades, includes the 276 hp 4.7L V8 engine and automatic transmission, Toyota's STAR Safety System, Electronic Brake Distribution with Brake Assist, side curtain airbag with rollover sensor, engine immobilizer with alarm, direct tire pressure monitoring system, seating for eight passengers, eight-way manually adjustable driver's seat, four-way manually adjustable front passenger's seat, fold-flat feature for second- and third-row seats, auto tri-zone air conditioning, power windows, locks, back window, keyless entry, AM/FM/CD eight-speaker audio system with a mini-plug for iPod compatibility, rear wiper and defogger, tilt/telescope steering wheel, cruise control, spare tire and mud guards.

关于从SR5和有限等级标准的项目清单，包括276马力的4.7L V8发动机和自动变速箱，丰田的STAR安全系统，电子制动带制动辅助系统，侧帘的翻滚感应器，发动机防盗报警，直接轮胎气囊分布压力监测系统，对8名乘客，8路手动调节驾驶员座椅，四向手动可调前排乘客座椅，折叠功能单位为第二和第三排座椅，自动三区空调，电动车窗，座位锁，后窗，无钥匙进入，调幅/调频/光盘8喇叭音响系统与一个小型的iPod兼容，后雨刷和防雾膜，倾斜插/伸缩式方向盘，巡航控制系统，备用轮胎和挡泥板。

Fivecore power cable is suitable to use in threewire transmission and distribution power system,Separating the

五芯电力电缆适用于三相五线制输配电系统，由于中性线与地线分开使得系统运行更加稳定，操作人员更

Fivecore power cable is suitable to use in threewire transmission and distribution power system, Separating

五芯电力电缆适用于三相五线制输配电系统，由于中性线与地线分开使得系统运行更加稳定，操作人员更

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。