通信电源,communication power supply
1)communication power supply通信电源
1.Upgrading plan of the telecommunication power supply system in Luohe 500 kV shaoling substation;漯河500kV邵陵站通信电源改造方案
2.Analysis on enhancing the stability of thecommunication power supply;提高通信电源稳定性的分析
英文短句/例句
1.The Analysis and Maintenance of Power Failure in Power Communication System电力通信网中通信电源故障的分析与维护
2.On the Importance of Maintenance for Accumulator of Communication Power Supply通信电源中蓄电池维护工作的重要性
3.Research on Communication Supply Equipment Anti-seismic Performances Test;邮电通信电源设备抗震性能试验研究
4.Analysis and Suppression of Electromagnetic Interference to Metro Communication Power Supply地铁通信电源电磁干扰分析及其抑制
5.Analysis on Usability of Storage Battery in the Telecommunication Power Supply Design通信电源设计中蓄电池组可用性分析
6.Technology status in quo and development trends of batteries for telecommunication通信电源用电池技术现状与发展趋势
7.The Retrofit Scheme of Communication Power Supply in 500kV Luoping Substation500kV罗平变电站通信电源优化改造方案
8.Remote Maintenance Technology for Battery System in Telecom Power Supply and Its Application电力通信电源蓄电池系统远程维护技术与应用
9.Code for design of telecommunications power supply equipment installation通信电源设备安装设计规范
10.Code for acceptance of equipment installation engineering for telecommunications power supply通信电源设备安装工程验收规范
11.Code for acceptance of centralized monitoring and control system engineering for telecommunication power supply通信电源集中监控系统工程验收规范
12.3kW LLC Resonant Type Modularize Communication Power Supply;3kW LLC谐振式模块化通信电源
13.Research and Development of the Remote Monitoring System for Telecom Power Supply;通信电源远程监控系统的研究与开发
14.Development and Research of Communication Power Supply Supervision Technology;通信电源集中监控技术的研究与开发
15.The Motive Force Environment of Computer Lab of the Communication Power Concentrates the Monitoring System;通信电源机房动力环境集中监控系统
16.Design and Realization of Software about Centralized Supervision and Control System for Elecommunication Power Supply;通信电源监控系统软件的设计与实现
17.General test methods of power supply equipments for telecommunicationsGB/T16821-1997通信用电源设备通用试验方法
18.Upgrading plan for the power supply system of Jincheng power communication equipment room晋城电力通信机房电源系统改造方案
相关短句/例句
Communication Power通信电源
1.The Composition,Management and Maintenance of High-frequency SwitchingCommunication Power Supply Systems高频开关通信电源系统的组成、管理和维护
2.The communication power supply should be improved in the new military revolution conditions,because it is important for the modern correspondence contact.新军事变革条件下引发的现代战争中,通信电源是现代通信联络中的必要环节,对此也提出了更高的要求。
3)telecom power supply通信电源
1.Research and Development of the Remote Monitoring System for Telecom Power Supply;通信电源远程监控系统的研究与开发
2.With the increasing development of telecom network scale,the remote monitoring and controlling of thetelecom power supply has become a key technology.随着通信网络规模的不断扩大,通信电源的远程监控已经成为通信领域的一项关键技术。
4)telecommunication power supply通信电源
1.Discussion on several problems oftelecommunication power supply centralized monitoring system;通信电源集中监控系统若干问题的探讨
2.The operating principal of current-doubler rectifier intelecommunication power supply is described.分析了通信电源倍流整流电路的工作原理,应用状态空间平均法建立了倍流整流电路的频域模型。
3.Owing to the convergence of datacom equipment and telecom network equipment,telecommunication power supply system is faced with change and challenge.由于数据通信设备和电信网络设备的融合,要求有一个能为数据通信设备和电信设备供电的新的可靠的电源系统,传统的通信电源系统结构面临着变化和挑战。
5)telecom power通信电源
1.Standard study and hardware design oftelecom power s supervision unit;通信电源监控单元的标准分析与硬件设计
2.The Design of Rectifier Module Controller in Telecom Powers Based on the Unified Handware and Software Platform;统一化软硬件平台的通信电源中整流模块控制器的设计
3.This paper introduces the development and the standardization oftelecom power.本文介绍了通信电源的发展与标准化工作。
6)telecommunication source line通信电源线
1.The influence on thetelecommunication source line coupling by the lightning EMF;雷电电磁场对通信电源线的影响
延伸阅读
通信电源通信电源power supply for com-munication equip-menttongx一nd旧nyuon通值电谏equipment)(Power suPPly for eommunleat一。为通信设备提供电能的设备或系统。它是通信系统的重要组成部分，其供电质量和可靠性对保证通信系统的可靠运行起重要作用。大多数通信设备采用直流电源供电，通常由电网提供交流电源经整流器变为直流，也可由蓄电池供给，常用的电压等级为12、24、48V及60V;有的通信设备直接采用交流电源供电，内置整流变换装置。在没有交流电网或交流电源不可靠的情况下，可用柴油发电机组、风力发电机组提供交流电源，或由太阳能电池配合蓄电池提供直流电源。对某些耗电量很小的通信设备如手持电台，可由装在设备内部的小型蓄电池供电。按整流设备主要器件不同，直流通信电源分为晶闸管型和开关型，开关型电源的体积和重量远小于前者，效率和动态特性也较好。根据通信点的重要性，有单一电源供电、主备用电源供电和不间断电源供电几种供电方式:(l)单一电源供电。用一路交流电源经整流器变成直流，向通信设备供电;也可以用一组电池直接供电。这种方式简单，但当电源发生故障时，通信设备即停止工作。(2)主备用电源供电。用两路及以上电源向通信设备供电，其中一路为主用，其余为备用，或互为主备用。当主用电源停电时，备用电源经自动切换投人供电，主备用电源自动切换时间小于200 ms。这种方式供电较单一电源供电可靠得多，但电源切换时对某些通信设备会造成瞬时中断甚至灾难性后果。(3)不间断电源供电。用交流电源经整流变换输出直流向蓄电池浮充，同时向设备供电。当交流电源停电时，蓄电池由浮充变为向负荷供电，保证不间断供电。这种方式可靠性很高，在交流停电情况下，仍可维持供电，维持时间长短取决于蓄电池容量和用电负荷。对于重要的通信站，为进一步提高供电可靠性，往往还装设柴油发电机组作为第三种备用电源。不间断电源是目前广泛使用的供电方式。
