Aiming at three most important parameters of zinc oxide arrester: rated voltage, continuous running voltage and lightning wave residual voltage, technical parameters and selecting principle are given for arresters used in different sites so as to select correct zinc oxide assester, ensuring power system in safe and economic operation.
针对氧化锌避雷器的三个最重要的参数:额定电压、持续运行电压和雷电波残压,给出了不同使用场合的避雷器的技术参数及选用原则。
The frequency superposition method at 1/2 rated voltage in place of that a t rated voltage is applied if the existing equipments can not meet the technical requirements of temperature rise test.
阐述了异步电动机的温升试验,如果现有的试验设备无法满足电机温升试验的技术要求时,可采用 1 /2额定电压叠频法温升试验代替额定电压叠频法温升试验,通过对比,此方法安全可靠。
The present general selection method about the rated voltage for HV shunt capacitor on project was introduced.
介绍了目前在工程上常用的关于高压并联电容器额定电压的选择方法;指出在电网谐波含量较大的情况下存在着谐波危害电容器安全运行的问题;提出了可以参照滤波电容器额定电压选择方法来选择并联电容器的额定电压,把谐波电压考虑到电容器的额定电压之中的建议,确保电容器在谐波条件下的安全可靠运行。
The article discusses on the position of accumulator battery,voltage rating,air pressure corkscrew selection and faults recorder of the system.
文章对蓄电池组屏安装位置、直流系统额定电压值、直流系统空开的选型、直流系统故障录波进行了分析和探讨,建议在设计220 kV变电站直流系统时,可根据实际情况,选择将蓄电池组屏安装于控制继保室内,直流系统额定电压采用110V,整个变电站采用同一厂家、同一系列的直流空开,直流系统接入录波装置等设计方案。
Suggestions are given on the voltage rating of actual compensation capacitors.
结合国产机车与进口机车无功补偿装置的具体情况,讨论了功补电路的参数选择原理与计算方法;特别对无阻尼电路中阻抗比的取值范围及其偏差值对补偿效果与安全运用性的影响进行了分析;对现行补偿电容器额定电压值提出了看法。
Voltage ratings of D.C electric traction system
GB/T999-1988直流电力牵引额定电压
Aerial insulated cables of rated voltages up to and including 1 kV
GB12527-1990额定电压1kV及以下架空绝缘电缆
Aerial insulated cables with rated voltages of 10kV and 35kV
GB14049-1993额定电压10kV、35kV架空绝缘电缆
Rated voltage for medium frequency equipment
GB/T3926-1983中频设备额定电压
" Ratings of frequency, voltage and current of electric products for ships and offshore units"
GB/T4988-1985船舶和海上石油平台用电工产品的额定频率、额定电压、额定电流
Applied working voltage to capacitor which do not exceed the rated working voltage of capacitor.
使用时,电解电容器的工作电压不应超过其额定电压。
Safety use of capacitor must be within the rated voltage(or category voltage)and the permissible current.
电容器安全使用条件不仅受额定电压(或类别电压)的限制,而且受额定电流的限制。
Application: Suitable for eletric force line of rated voltages up to and including1 KV.
一、途:用于交流额定电压1KV及以下的电力线路。
Selection of the Rated Voltage of the Gapless ZnO Lightning Arresters in 10 kV Power System
10kV电力系统无间隙ZnO避雷器额定电压选择
Shipboard power cables and wires of rated voltages up to and including 0.6/1 kV--Genera
GB9331.1-1988额定电压0.6/1kV及以下船用电力电缆和电线一般规定
Insulated cables (wires) for railway vehicles of rated voltages up to and including 3 kV-General
GB12528.1-1990交流额定电压3kV及以下铁路机车车辆用电缆(电线)一般规定
Rubber insulated cables of rated voltages up to and including 450/750V-Part 5: Lift cables
GB5013.5-1997额定电压450/750V及以下橡皮绝缘电缆第5部分:电梯电缆
Rubber insulated cables of rated voltages up to and including 450/750V-Part 6: Arc welding cables
GB5013.6-1997额定电压450/750V及以下橡皮绝缘电缆第6部分:电焊机电缆
Selection of the Rated Voltage of Shunt Capacitor in Substation
变电站电容器装置中电容器额定电压的合理选择
The above specification shall be satisfied when the capacitors are restored to 20℃ after the rated voltage applied for 1000h at 85℃.
电容量在+85℃下,加额定电压经1000小时恢复到20℃应满足上述规定。
check the voltage of an appliance against the supply,ie before connecting it
检查电器的额定电压与电源是否相符(然后再接通).
Flexible rubber-sheathed cables for mining purposes-Part 7: Flexible cables with screens for rated voltage of 3.6/6kV
GB12972.7-1991矿用橡套软电缆第七部分:额定电压3.6/6kV屏蔽橡套软电缆
Copper and aluminum conductor extruded XLPE insulated power cables with rated voltage 110kV
GB11017-1989额定电压110kV铜芯、铝芯交联聚乙烯绝缘电力电缆
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