kva
英
美
网络 额定容量; 容量; 额定输入容量; 额定输出容量; 变压器容量
双语例句
- Analysis and Design for High-Frequency Square Wave KVA Inverted Transformer with Amorphous Alloy Core
非晶态合金高频方波逆变电源输出变压器的分析和设计方法研究 - The transformers they produce vary from the10 kva to the20000 kva models.
他们生产的变压器由10至20000千伏安大小不等。 - Some areas of the tables may not apply to resistance spot welders in the KVA ratings available from this company.
在这家公司提供的千伏安级别表格的一些部分可能不适用于接触点焊机。 - Please advise if you can provide full solution for a10 kVA for12 hours a day.
请告知，如果你能为10千伏安，每天12小时提供完整的解决方案。 - Power Factor Power factor is the cosine of the angle between the active power ( kW) and apparent power ( kVA) in a circuit.
功率因数功率因数是电路中有功功率（W）视在功率（VA）间夹角的余弦值。 - Contractor will submit detailed working of KVA capacity.
承包商应提交kva容量的详细计算。 - Abstract Si-Ba alloy of low, medium and high Ba-bearing are produced in a 1800 kVA electric furnace with barium carbonate ore by carbon thermal reduction method.
使用碳酸钡矿，采用碳热法在1800kVA矿热炉上冶炼出了低钡、中钡、高钡等牌号的硅钡合金。 - The operation principle and parameter design of a 1 kVA adjustable current stabilizer are presented with phase shifted full bridge control. The output current of the proposed converter is from 0.2 A to 1 A.
采用移相全桥控制策略，介绍了峰值功率为1kVA，输出电流在0.2～1A之间连续可调电流源的工作原理和参数设计。 - The state-of-the-art and the key techniques of active power filters are analyzed in this paper. The development and the trial of a 30 kVA 3-phase 4-wire shunt active power filter are presented, and the main parameters and the field test results are given.
分析了有源电力滤波器及其发展现状和关键技术，介绍了30kVA三相四线制并联型有源电力滤波器的研制和试用情况，给出了有源电力滤波器的主要技术参数和现场实测结果。 - Selection of technical parameters for 1800 KVA low-hood ferrosilicon furnace
1800kVA矮烟罩硅铁炉工艺参数的选择 - In this paper, the 3D leakage magnetic field of a 17000 kVA modelling transformer type SSPL is determined by the method of two scalar potentials, and the results of calculation against measured values are given.
本文采用双标量位方法计算了17000kVA仿SSPL型电力变压器的三维恒定漏磁场.计算结果与实测值进行了比较，给出了对比曲线。 - In order to increase the reliability of the excitation system for large turbogenerator and improve its response, a 70 KVA, 3,000 rpm and 400 Hz rare earth-cobalt permanent magnet ( REPM) generator has been built as a pilot exciter.
为了提高大型汽轮发电机组励磁系统的运行可靠性和响应速度，我们研制了一台70千伏安、400赫芝，3000转/分的稀土永磁发电机，作为副励磁机。 - This paper introduces a power-saving experimental research of producing ferrosilicon in 1800 kVA electric shaft furnace with the double thermal energy supply of electricity and coal.
介绍了在1800kVA矿热炉里，采用电－煤双热源生产硅铁节能的试验研究。 - A design for resonant inductor used litz wire with optimum winding loss was improved, and 4% efficiency was increased by comparison to the initial design with a series resonant inverter at 1 kVA.
改进、设计了一种高频串联谐振型逆变器的谐振电感器，在1kVA容量时，使逆变器整机效率提高了4%。 - The reasons of striking are at busbar terminal in a 6000 kVA CrSi furnace are stated, the improving measures are also presented.
论述了一座6000kVA硅铬矿热炉短网端头打弧故障的原因，并提出了改进措施。 - In development of the power stage for a 2 kVA high frequency on line UPS, methods of anti parallel diode across the serial resistor and active clamps are adopted to reduce the gate voltage spikes over MOS gated inverter power switches during their turn off.
在2kVA高频在线式UPS主功率电路的设计调试中，针对桥臂功率管MOS门极干扰的实际情况，采取了在门极串联电阻上反并二极管和门极关断箝位电路等措施。 - The Pipe-type water-cooled Panel for a 10 ton, 7000 kVA electric Arc Furnace at Fushun Steel WOrks has been designed by using the balances of heat, heat transfer rate and energy 1 and the principle of optimum design.
应用传热、传热速率和能量三大平衡和优化设计原理，设计了抚钢的变压器功率7000kVA的公称10t电弧炉的管式水冷挂渣护壁。 - A 400 KVA superconducting generator was developed and tested in our laboratory in 1977. The tests on the generator indicated that some cryogenic problems were extremely important in developing superconducting generators.
我们于1977年试验成功一台400KVA超导同步发电机，显示了某些低温工程问题在超导电机研制中的极端重要性。 - The Design and Practice of an IGBT Drive Circuitry in the 120 kVA Special Frequency convertor
120kVA特种变频器中IGBT驱动电路的设计与实践