发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的定义、分类、要求、测试方法及设备的标志、包装、运输和存储。 本标准适用于通过通信线缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于TNV电路的远供系统
DC Remote Feeding Power System for Telecommunication Equipment
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的术语和定义、组成和分类、要求、试验方法、检验规则,以及标志、包装、运输和贮存。 本标准适用于通过电力电缆、通信电缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于采用TNV电路供电的远供系统
DC remote feeding power system for telecommunication equipment
Specification for DC.power supply of military equipment
本标准适用于额定输出1kw及以上的普通电源或整流电源供电的直流电机、但其他IEC标准所涵盖的电机除外,如IEC 60349。 本标准的目的是制定用于测试普通电源或整流电源供电的直流电机特性参量的试验方法。 本标准所描述的任一项或全部试验项目都不应理解为对任何指定电机都要求
Specific test methods for d.c.machines on coventional and rectifier-fed supplies
Specific test methods for d.c. machines on conventional and rectifier-fed supplies
Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
This guide covers the application of SPDs used to protect the dc power feeds of remote radio heads (RRH) and power supplies of fiber-optic cable
Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
Rated voltages of DC-motors directly fed by controlled static power convertors from AC-power systems
The waveform of currents likely to exist on dc feeds to equipment located at the tops of towers due to a lightning strike, and the consequences
IEEE Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
IEEE Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
This amendment forms a part of Military Specification MIL-P-28943(MC), dated 10 March 1970, and is approved for use by all Departments and Agencies
POWER SUPPLY: DIRECT CURRENT
This specification covers a direct current (dc) a 115/208 volt (V) 3-phase 4-wire, 48 to 65/380 to 420 hertz (Hz) alternating current (ac) or a 115
POWER SUPPLY: DIRECT CURRENT
本文件规定了电力用直流电源系统蓄电池组远程充放电(以下简称“远程充放电”)的通用要求、技术要求、安全要求、试验要求等。 本文件适用于发电厂、变电站、换流站(以下简称“厂站”)配置两组铅酸蓄电池的直流电源系统
Technical specification for remote charge and discharge of battery packs in DC power system for electric power
本标准规定了通信用直流--直流模块电源(以下简称模块电源)的要求、试验方法、检验规则和包装贮运。 本标准适用于非独立使用、板上安装的通信用直流--直流模块电源
DC--DC module converter for telecommunication
DIRECT CURRENT (DC) POWER SUPPLY
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的定义、分类、要求、测试方法及设备的标志、包装、运输和存储。 本标准适用于通过通信线缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于TNV电路的远供系统
DC Remote Feeding Power System for Telecommunication Equipment
本标准规定了通信设备用直流远供电源系统(以下简称远供系统)的术语和定义、组成和分类、要求、试验方法、检验规则,以及标志、包装、运输和贮存。 本标准适用于通过电力电缆、通信电缆进行直流电能远距离传送和接收的供电系统。 本标准不适用于采用TNV电路供电的远供系统
DC remote feeding power system for telecommunication equipment
Specification for DC.power supply of military equipment
本标准适用于额定输出1kw及以上的普通电源或整流电源供电的直流电机、但其他IEC标准所涵盖的电机除外,如IEC 60349。 本标准的目的是制定用于测试普通电源或整流电源供电的直流电机特性参量的试验方法。 本标准所描述的任一项或全部试验项目都不应理解为对任何指定电机都要求
Specific test methods for d.c.machines on coventional and rectifier-fed supplies
Specific test methods for d.c. machines on conventional and rectifier-fed supplies
Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
This guide covers the application of SPDs used to protect the dc power feeds of remote radio heads (RRH) and power supplies of fiber-optic cable
Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
Rated voltages of DC-motors directly fed by controlled static power convertors from AC-power systems
The waveform of currents likely to exist on dc feeds to equipment located at the tops of towers due to a lightning strike, and the consequences
IEEE Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
IEEE Guide for Surge Protection of DC Power Feeds to Remote Radio Heads
This amendment forms a part of Military Specification MIL-P-28943(MC), dated 10 March 1970, and is approved for use by all Departments and Agencies
POWER SUPPLY: DIRECT CURRENT
This specification covers a direct current (dc) a 115/208 volt (V) 3-phase 4-wire, 48 to 65/380 to 420 hertz (Hz) alternating current (ac) or a 115
POWER SUPPLY: DIRECT CURRENT
本文件规定了电力用直流电源系统蓄电池组远程充放电(以下简称“远程充放电”)的通用要求、技术要求、安全要求、试验要求等。 本文件适用于发电厂、变电站、换流站(以下简称“厂站”)配置两组铅酸蓄电池的直流电源系统
Technical specification for remote charge and discharge of battery packs in DC power system for electric power
本标准规定了通信用直流--直流模块电源(以下简称模块电源)的要求、试验方法、检验规则和包装贮运。 本标准适用于非独立使用、板上安装的通信用直流--直流模块电源
DC--DC module converter for telecommunication
DIRECT CURRENT (DC) POWER SUPPLY