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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本规范适用于进入抗震设防烈度为7~9度地区的通信用高频开关电源设备、通信用阀控式密封铅酸蓄电池设备、通信用不间断电源设备(UPS)的抗地震通信技术性能的考核和评定,其他类型开关电源设备、蓄电池设备及不间断电源设备可参照本规范执行
Specification for Seismic Test of Power Supply Equipment for Telecommunications
Performance tesing rules of parallel active power quality curing device
This document specifies a test procedure for calculating the energy efficiency of internal a.c.?d.c. and d.c.?d.c. power supplies. First published
本规范适用于进入抗震设防烈度为7~9度地区的主要电信设备的抗地震性能的考核及评定。一般情况下,抗震设防烈度可采用中国地震动参数区划图的地震基本烈度。对已编制抗震设防区划的城市,可按照批准的抗震设防烈度或设计地震动参数进行抗震检测
Specification for Seismic Test of Telecommunications Equipment
Inspection procedures for electrical performance test equipments for solar cells
本标准规定了输出直流电压在250 V以下,功率小于30 kW,由600 V以下交流或直流源电压供电的低压电源设备(包括开关型)确定技术要求的方法。该电源在工类设备中使用,或者在有足够电气、机械保护条件下独立运行。 本标准适用于有任何输出路数,由交流或直流供电的所有类型的电源以及为其他未知应用
Low-voltage power supply devices,d.c.output-performance characteristics
Cementing float equipment - Performance testing
This Standard specifies a standardized test method to measure the energy performance of computers for defined operational modes when connected
This document provides specifications for Customer Premises Equipment (CPE) devices designed to automatically detect stutter dial tone (SDT
Telecommunications Telephone Terminal Equipment Stutter Dial Tone Detection Device Performance Requirements
来自第88页
Low-voltage power supply devices, d.c. output — Performance characteristics
Low-voltage power supply devices, d.c. output - Performance characteristics
本规范适用于进入抗震设防烈度为7~9度地区的通信用高频开关电源设备、通信用阀控式密封铅酸蓄电池设备、通信用不间断电源设备(UPS)的抗地震通信技术性能的考核和评定,其他类型开关电源设备、蓄电池设备及不间断电源设备可参照本规范执行
Specification for Seismic Test of Power Supply Equipment for Telecommunications
Performance tesing rules of parallel active power quality curing device
This document specifies a test procedure for calculating the energy efficiency of internal a.c.?d.c. and d.c.?d.c. power supplies. First published
本规范适用于进入抗震设防烈度为7~9度地区的主要电信设备的抗地震性能的考核及评定。一般情况下,抗震设防烈度可采用中国地震动参数区划图的地震基本烈度。对已编制抗震设防区划的城市,可按照批准的抗震设防烈度或设计地震动参数进行抗震检测
Specification for Seismic Test of Telecommunications Equipment
Inspection procedures for electrical performance test equipments for solar cells
本标准规定了输出直流电压在250 V以下,功率小于30 kW,由600 V以下交流或直流源电压供电的低压电源设备(包括开关型)确定技术要求的方法。该电源在工类设备中使用,或者在有足够电气、机械保护条件下独立运行。 本标准适用于有任何输出路数,由交流或直流供电的所有类型的电源以及为其他未知应用
Low-voltage power supply devices,d.c.output-performance characteristics
Cementing float equipment - Performance testing
This Standard specifies a standardized test method to measure the energy performance of computers for defined operational modes when connected
This document provides specifications for Customer Premises Equipment (CPE) devices designed to automatically detect stutter dial tone (SDT
Telecommunications Telephone Terminal Equipment Stutter Dial Tone Detection Device Performance Requirements
来自第88页
Low-voltage power supply devices, d.c. output — Performance characteristics
Low-voltage power supply devices, d.c. output - Performance characteristics