发布时间:2023-05-17 12:11:55
点击量:0
Electrical Appliance and Utilization Equipment Directory
Electrical Appliance and Utilization Equipment Directory
This Directory contains the names of companies authorized to use the UL Mark on or in connection with products that have been investigated by UL
Electrical Appliance and Utilization Equipment Directory
Consumer units and meter panels AC 400 V; consumer units and meter panels
This Directory contains all Listings and Classifications in effect as of April 11, 2008 for product categories covered. UL Online Certifications
ELECTRICAL APPLIANCE AND UTILIZATION EQUIPMENT DIRECTORY 2008
本标准规定了机载用电设备试验电源的通用要求,主要是机载用电设备进行电源输入试验时,对其供电电源的要求。 本标准适用于机载用电设备试验电源
本标准规定了用电设备电能平衡的基本要求、测试条件、测试方法、电能流程图及其电能利用效率的计算。 本标准适用于用电设备及系统的电能平衡
The principles for electricity balance of equipment
Electrical Appliance and Utilization Equipment Directory
Electrical Appliance and Utilization Equipment Directory
本规范适用于下列通用用电设备的配电设计: 1 额定功率大于或等于0.55kW的一般用途电动机。 2 电动桥式起重机、电动梁式起重机、门式起重机和电动葫芦;胶带输送机运输线、载重大于300kg的电力拖动的室内电梯和自动扶梯。 3 电弧焊机、电阻焊机和电渣焊机。 4 电镀用的直流电源设备。 5
Code for design of electric distribution of general-purpose utilization equipment
本规范适用于工业与民用新建和扩建工程的通用用电设备配电设计
Code for design of electric distribution of general-purpose utilization equipment
この規格は。零相変流器,零相基準入力装置及び地絡方向継電器(以下,継電器という。)の組合せからなる一線地格電流が30A未満の主として6.6kV高圧需要家の受電点に設置される地絡方向継電装置について規定する
Directional ground relay set for 6.6 kV consumer
Electronic equipment for use in power installations; German version EN 50178:1997
이 규격은 영상 변류기와 지락 계전기의 결합으로 구성된 고압 지락 계전 장치로서 주로 전기
Ground relay set for 6600V or 3300V consumer
Criterion for electrical equipment for oil drilling rig—Part 4: Auxiliary power equipment and circuits for well site
SY/T 6725的本部分规定了石油钻机辅助用电设备、井场电路的使用条件及设计、制造、安装和试验的基本技术要求。 本部分适用于陆地石油和天然气钻井用石油钻机的辅助用电设备及井场电路
Criterion for electrical equipment for oil drilling rig.Part 4:Auxiliary power equipment and circuits for well site
Industrial electrical apparatus. Electromagnetic apparatus for mechanical applications. Requirements.
Electrical Appliance and Utilization Equipment Directory
Electrical Appliance and Utilization Equipment Directory
This Directory contains the names of companies authorized to use the UL Mark on or in connection with products that have been investigated by UL
Electrical Appliance and Utilization Equipment Directory
Consumer units and meter panels AC 400 V; consumer units and meter panels
This Directory contains all Listings and Classifications in effect as of April 11, 2008 for product categories covered. UL Online Certifications
ELECTRICAL APPLIANCE AND UTILIZATION EQUIPMENT DIRECTORY 2008
本标准规定了机载用电设备试验电源的通用要求,主要是机载用电设备进行电源输入试验时,对其供电电源的要求。 本标准适用于机载用电设备试验电源
本标准规定了用电设备电能平衡的基本要求、测试条件、测试方法、电能流程图及其电能利用效率的计算。 本标准适用于用电设备及系统的电能平衡
The principles for electricity balance of equipment
Electrical Appliance and Utilization Equipment Directory
Electrical Appliance and Utilization Equipment Directory
本规范适用于下列通用用电设备的配电设计: 1 额定功率大于或等于0.55kW的一般用途电动机。 2 电动桥式起重机、电动梁式起重机、门式起重机和电动葫芦;胶带输送机运输线、载重大于300kg的电力拖动的室内电梯和自动扶梯。 3 电弧焊机、电阻焊机和电渣焊机。 4 电镀用的直流电源设备。 5
Code for design of electric distribution of general-purpose utilization equipment
本规范适用于工业与民用新建和扩建工程的通用用电设备配电设计
Code for design of electric distribution of general-purpose utilization equipment
この規格は。零相変流器,零相基準入力装置及び地絡方向継電器(以下,継電器という。)の組合せからなる一線地格電流が30A未満の主として6.6kV高圧需要家の受電点に設置される地絡方向継電装置について規定する
Directional ground relay set for 6.6 kV consumer
Electronic equipment for use in power installations; German version EN 50178:1997
이 규격은 영상 변류기와 지락 계전기의 결합으로 구성된 고압 지락 계전 장치로서 주로 전기
Ground relay set for 6600V or 3300V consumer
Criterion for electrical equipment for oil drilling rig—Part 4: Auxiliary power equipment and circuits for well site
SY/T 6725的本部分规定了石油钻机辅助用电设备、井场电路的使用条件及设计、制造、安装和试验的基本技术要求。 本部分适用于陆地石油和天然气钻井用石油钻机的辅助用电设备及井场电路
Criterion for electrical equipment for oil drilling rig.Part 4:Auxiliary power equipment and circuits for well site
Industrial electrical apparatus. Electromagnetic apparatus for mechanical applications. Requirements.