This text mainly points out that the extension of the ring power-supply network in the urban medium-voltage power supply is a comparatively reasonable way of power supply with certain advantages.
文章重点提出在城市中压电网中推广环网供电方式是一种较为合理的具有一定优势的供电方式。
In this paper based on the computer network of Xinzhou Power Supply Company, the principal, the technique and the conclusion of this dual server system are discussed.
本文以忻州供电分公司计算机网络为例，探讨了双机热备系统的工作原理、技术方案及成果经验。
Communication network is concerned on system power supply, wire select, network top and earthing.
通信组网主要涉及系统供电、线缆选择、线路拓扑和接地等。
According to the actual situation of power supply network and protection system under mine, a long distance faults online monitoring program is presented for overcoming the short protection distance.
本文结合矿用供电网的实际情况和保护系统的现状，针对现有技术保护距离较短的缺点，提出了一种针对矿用供电线路的远距离故障在线监测的方案。
Each provincial power network corporation shall establish a wide area network covering each regional city and county power supply company and ensure the safe and smooth of the wide area network.
各网省电力公司应建立在覆盖各地市供电企业、县供电企业的广域网络，保证广域网络的安全畅通。
Analyses the reasons of power factors lower of supply network in comprehensive face, puts forward the ways and significance of raising supply network factors.
分析了井下综采工作面供电网络功率因数较低的原因，提出了提高供电网络因数的意义和途径。
The improved BP algorithm added momentum item and chaotic mapping was adopted in fault diagnosis of power supply system based on chaotic neural network.
基于混沌神经网络的供配电系统故障诊断，采用引入动量项和混沌映射的改进BP算法。
Simulation tests were carried out with evaluation data given by experts from power supply enterprises in Baoding taken as training samples for BP neural network, and the results are good.
以保定市各县供电企业专家评价数据作为BP神经网络的训练样本，进行仿真试验，得到了满意的结果。
Because of the severe pollution of electrical network harmonic, the harmonic restrain has become an important task of power supply bureau.
由于电网谐波污染严重，对谐波的抑制已成为供电部门的重要任务。
Active power Filter (APF) technology is one of the important ways to realize harmonic wave compensation of electrical network and improve the quality of power supply.
有源电力滤波器(简称APF)技术是一种实现电网谐波补偿、改善供电质量的重要方法。
The paper discusses the problems regarding the low efficiency and unstable quality of the power supply in the electric network at universities.
分析了高校现有供电网络存在的效率低、能耗大和供电质量不稳定的问题。
A simple and practical method to evaluate the power supply capability of distribution network is proposed.
提出一种简捷实用的配电系统供电能力计算方法。
At present, Urban electricity system exists unstable factor, for guaranteed the normal supply of power for computer and network system, UPS should be used to supply uninterrupted electric power.
目前，我们现有的市电系统存在不稳定因素，为保证计算机和网络系统的供电正常，应使用UPS不间断供电电源。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。
The proposed method is simple and the power supply capability based optimal network transfer capability is available for reference in urban power network planning.
该方法思路简单，基于供电能力给出的网络最优转移能力可为城市电网规划提供参考。
The power supply for traditional network equipment all need local AC power source, which increases the cost of network base construction and may affect the network equipment once the power is cut off.
传统网络设备的供电都需要本地交流电源来提供电能，不但增加了网络基础建设的成本，而且网络设备还可能受到电网掉电的影响。
The paper introduces necessity of power supply protecting in Network Communication, UPS and several problem noticed in thinking over power supply protecting.
讨论网络通讯中电源保护的必要性，UPS以及考虑电源保护时需要注意的几个问题。
As one of the decisive factor of influencing the CATV network system dependability, the power supply plays a very important role in this system.
供电电源作为影响有线电视网络系统可靠性的决定性因素之一在系统起着重要的作用。
Reactive power supply programming in distribution network can improve voltage and decrease power loss, it is important for the running of systems more safe and economical.
配电网无功电源规划能够有效地改善电压水平、降低网损，对系统安全经济运行具有重要意义。
The operation state of isolation monitor of loop power supply network is analyzed. Solutions have been proposed so as to assure safety and reliable operation of power system.
对环型供电直流系统的绝缘监测运行情况进行了分析，并提出了解决方案，以确保电力系统安全、可靠运行。
The update construction process of Lanzhou power supply electric power dispatching exchange network is analyzed and discussed in this paper.
对兰州供电局电力调度电话交换网络的升级改造过程进行了具体的分析和论述。
The gas electricity generation, pressure-rise, incorporation equipment necessary, can display the power set fully the characteristic, meets the mine pit power supply network safety work requirement.
瓦斯发电、升压、并网的设备配套，能充分发挥发电机组的特点，符合矿井供电网络的安全技术要求。
Subject this apply network analysis on "supply power enterprise information support with DSS" (SPEI-DSS), go on systematic modeling UML technology mainly.
本课题主要将UML技术应用于《供电企业信息支撑与决策支持系统》的系统分析、进行系统建模。
On the other hand, since traction power supply network is a AC-DC network, its running modes are complicated.
另一方面，地铁牵引供电网络是一个交直流混合的网络，运行方式较为复杂。
With the improvement of Marine power supply network and high requirement of the selective protection, longitudinal differential protection has more practical meaning in Marine power system.
随着船舶供电网络结构复杂程度和选择性保护要求的提高，将纵差动保护应用于船舶电力系统有着越来越大的实际意义。
In part two, two mathematical models for reactive power supply programming in distribution network is presented, the age limit of reactive power supply is added to models.
第二部分建立了配电网无功电源规划的两种数学模型，在模型中增加考虑了无功电源的使用年限。
To select the best one by comparing the power supply reliabilities of different projects for distribution network reconstruction, the following evaluation work is carried out.
在配电网络规划改造的过程中，为了比较规划方案的供电可靠性，选取最佳的规划方案，需要进行评估工作。
To select the best one by comparing the power supply reliabilities of different projects for distribution network reconstruction, the following evaluation work is carried out.
在配电网络规划改造的过程中，为了比较规划方案的供电可靠性，选取最佳的规划方案，需要进行评估工作。
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