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External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes (Incorporates Amendment A1: 2013)
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
External a.c. d.c. and a.c. a.c. power supplies. Determination of no-load power and average efficiency of active modes
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes; German version EN 50563:2011
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes; German version EN 50563:2011 + A1:2013
Test method for calculating the energy efficiency of single-voltage external ac-dc and ac-ac power supplies First Edition
本标准规定了在220 V、50 Hz供电条件下将交流电压转换为固定的、单路低压直流(不大于36 V)或低压交流(不大于36 V)输出电压的外部电源(以下简称:产品)能效限定值、节能评价值、试验方法和检验规则。本标准适用于额定输出功率不大于250 W的产品。本标准不适用于直流-直流的电源,也不适用于给
Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies
1.1 本标准规定了用于将交流电网电压转换为固定的、单路低压直流(不大于36V)或低压交流(不大于 36V)输出电压的外部电源(以下简称电源)能效限定值、节能评价值、目标能效限定值、试验方法和检验规则。 本标准适用于额定输出功率不大于250W的电源。 1.2 本标准不适
Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies
To characterize, document and define test methods for AC to DC power supplies. These tests involve the measurement of AC input parameters and DC
Test Method for AC to DC Power Supplies
Hand-operated cable reels - A.C., three-phase A.C. and D.C.
MIL-M-l9249A, dated 6 July 1956, is nactive for new design and is no longer used, except for replacement purposes
MOTOR GENERATORS, 300 KW DC TO AC, AC TO DC SUBMARINE SERVICE
This specificahon covers 300 kilowatts (kw.) direct current (d. c.) to4 álternahing current (a. c.); a. C. to d, c. motor-generators for Naval
MOTOR GENERATORS, 300 KW DC TO AC, AC TO DC SUBMARINE SERVICE
本文件适用于以交流-直流-交流拓扑形式实现单相27.5kV转换为三相10kV的电源装置。本文件重点关注是: -电源装置使用条件; -电源装置的系统架构和功能; -电源装置的技术参数; -电源装置的设计与结构; -电源装置的检验规则; -电源装置安装使用导则
Technical Specification for 27.5/10 kV AC-DC-AC Railway Electric Power Supply
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes (Incorporates Amendment A1: 2013)
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
External a.c. d.c. and a.c. a.c. power supplies. Determination of no-load power and average efficiency of active modes
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes; German version EN 50563:2011
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes; German version EN 50563:2011 + A1:2013
Test method for calculating the energy efficiency of single-voltage external ac-dc and ac-ac power supplies First Edition
本标准规定了在220 V、50 Hz供电条件下将交流电压转换为固定的、单路低压直流(不大于36 V)或低压交流(不大于36 V)输出电压的外部电源(以下简称:产品)能效限定值、节能评价值、试验方法和检验规则。本标准适用于额定输出功率不大于250 W的产品。本标准不适用于直流-直流的电源,也不适用于给
Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies
1.1 本标准规定了用于将交流电网电压转换为固定的、单路低压直流(不大于36V)或低压交流(不大于 36V)输出电压的外部电源(以下简称电源)能效限定值、节能评价值、目标能效限定值、试验方法和检验规则。 本标准适用于额定输出功率不大于250W的电源。 1.2 本标准不适
Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies
To characterize, document and define test methods for AC to DC power supplies. These tests involve the measurement of AC input parameters and DC
Test Method for AC to DC Power Supplies
Hand-operated cable reels - A.C., three-phase A.C. and D.C.
MIL-M-l9249A, dated 6 July 1956, is nactive for new design and is no longer used, except for replacement purposes
MOTOR GENERATORS, 300 KW DC TO AC, AC TO DC SUBMARINE SERVICE
This specificahon covers 300 kilowatts (kw.) direct current (d. c.) to4 álternahing current (a. c.); a. C. to d, c. motor-generators for Naval
MOTOR GENERATORS, 300 KW DC TO AC, AC TO DC SUBMARINE SERVICE
本文件适用于以交流-直流-交流拓扑形式实现单相27.5kV转换为三相10kV的电源装置。本文件重点关注是: -电源装置使用条件; -电源装置的系统架构和功能; -电源装置的技术参数; -电源装置的设计与结构; -电源装置的检验规则; -电源装置安装使用导则
Technical Specification for 27.5/10 kV AC-DC-AC Railway Electric Power Supply