1)  electromagnetic field
中频电磁场
1.
Based on a pilot scale horizontal continuous casting system of hollow copper tube, the effects of a electromagnetic field with the frequency of 1 000 Hz in different power on the quality of hollow copper tubes were investigated.
以中试规模的空心管坯水平连续铸造系统为基础,研究了不同功率的中频电磁场对空心铜管坯凝固组织及力学性能的影响,提出了在空心铜管坯水平连铸过程中施加中频电磁场改善铸坯质量的方法。
2)  mid-frequency
中频
1.
Preparation of light-induced hydrophilic TiO_2 thin films by reactive mid-frequency magnetron sputter;
中频反应磁控溅射制备具有光致亲水性TiO_2薄膜
2.
Plasma Characteristics of Mid-frequency Dual-targets Magnetron Sputtering System and Oxide Films Deposition Research;
中频孪生磁控溅射等离子体特性与氧化物薄膜沉积研究
3.
Amorphous WO_3 electrochromic films are deposited by advanced mid-frequency dual-target magnetron sputtering method using pure tungsten as targets.
采用先进的中频孪生非平衡磁控溅射技术,以金属钨为靶材,制备非晶态WO3电致变色薄膜。
3)  medium frequency
中频
1.
Design of medium frequency transformer of arc welding inverter;
逆变弧焊电源中频变压器的设计
2.
Practice of Raising Melting Rate of Medium Frequency Coreless Induction Furnace;
提高中频无芯感应电炉熔化速度的实践
3.
Effects of medium frequency current on the convalescence of facial paralysis;
面神经麻痹半年后的中频电治疗观察
4)  intermediate frequency
中频
1.
The designed analysis of 50kW intermediate frequency generator;
50kW中频发电机设计分析
2.
Designing of the Intermediate Frequency Source for Electric Heating Oil Recovery;
电加热采油中频电源设计
3.
Key Techniques of Channel Simulation System for Intermediate Frequency;
中频信道模拟系统关键技术的研究
5)  IF
中频
1.
The principle and implementation of IF signal quadrature demodulating;
中频信号正交解调原理与实现
2.
A FPGA-Based Microwave Landing System IF Receiver;
基于FPGA的微波着陆系统中频接收机
3.
Design of CMOS Variable Gain IF Amplifier for DVB-T Tuner;
应用于DVB-T调谐器的CMOS可变增益中频放大器设计
6)  medium-frequency
中频
1.
Prediction on medium-frequency induction quenching of steel based on improved BP network algorithm;
基于改进BP算法的中频淬火工艺参数预测
参考词条
补充资料:变电所快速暂态电磁场


变电所快速暂态电磁场
fast transient electro-magnetic fields in substations

  变电所中快速暂态电磁场强度由于开关操作暂态过程受多种因素影响.因此变电所中实际测t得到的场强数值分散性较大。不同电压等级变电所,用不同型式开关,实测得到的电场强度可达数十千伏/米(kV/m).磁场强度可达数百安培/米(A/m).美国对变电所中操作暂态电磁场的实测工作做的较多。作为一个例子,下表列出了美国电力研究院(EPRI)在115kV、250 kV、500 kV变电所中的实测结果。常规变电所内测点在母线下方地面,操作是断开一段短母线,一川纵潮洲娜朋洲川一0 0 0 0 0 00411:1l)即10 010加 ︵任守︸侧欲典匆 6 .0臼.《】火l()《a)T(5、留一。·““nlj 0 50几00 .,0.1 10 (任/A艺侧蔽2.()魂.硬)丫﹂)()口匕t卜卜片卜f乙仁0 t 0 0 0 0 005 .....-卜闭40加020化 (‘/V)侧旧要翻,::.:: l二‘.1.吐吐.吐2.《)4.(】6 .0划) 了卜卜┌────┬──────┐│ 一一J │八L,‘一’ ││习 ├──────┤│一一.1 │{犷V一· │└────┴──────┘0﹃-j门1 96,JD.任1 9 tl滩n乙oq乙 ︵三z淤巴侧翻要御 (一。一‘)洲.‘}12‘)一6(,义1‘,一‘, 喊d)T(5) 500 kV变电所内断开隔离开关时 的地面电场和磁场(a)GIS磁场;(b)GIS电场;(e)AIS滋场;(d)AIS电场b一and一onsuo kuolsu zonto一d一onelehong变电所快速暂态电磁场(fast transient elec-tromagnetie fields in substations)变电所中隔离开关切、合短母线时的暂态过程产生的电磁场。高压隔离开关操作时,触头间产生一系列电弧过程。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。