1) DC corona loss
直流电晕损失
2) corona loss
电晕损失
1.
In order to accurately and long-termly measure corona loss of single circuit test line in our country s UHV AC test base, and research the regularity of UHV AC transmission line corona loss in our country, a corona loss monitoring system is designed and developed.
为了实现我国特高压交流试验基地单回试验线段电晕损失的长期准确测量及电晕损失规律,设计研制了一套电晕损失监测系统。
2.
By taking 750 kV Lanzhoudong-Pingliang double circuit transmission line as example,the parameters to be considered in design are calculated under different phase-order arrangement of double circuit transmission line with vertical-arranged circuit,such as conductor surface field strength,ground electric field,radio interference,audible noise,corona loss and .
本文以750kV兰州东—平凉同塔双回输电线路为例,计算了同塔双回、每回竖直排列线路各种相序排列方式线路的导线表面场强、地面电场、无线电干扰、可听噪声、电晕损失、反击跳闸率等线路设计时需要重点考虑的参数。
3.
Therefore, annlysising on the electronics corona loss of the different structure transmission line have the important economic efficiency and the social efficiency.
因此,对不同结构的输电线路进行电晕损失分析计算具有重要的经济效益和社会效益。
3) corona and corona loss
电晕及电晕损失
4) DC corona
直流电晕
1.
Fereducer reaction is introduced to enhance DC corona radicals shower for removal of benzene in air.
为强化直流电晕自由基簇射对含苯废气的去除,采用Fereducer反应进行实验研究。
2.
This paper researches on the reduction of NO X from humid flue gas by DC corona radical shower systems.
研究了直流电晕自由基簇射脱除含水烟气中的 NOX。
3.
Using DC corona radicals shower to decompose toluene in air, different parameters were studied, such as the concentration of toluene, temperature, voltage, humidity and the settled time.
利用直流电晕自由基簇射对甲苯有机废气进行试验 ,分别考察了有机污染物浓度、温度、电压、湿度和停留时间等不同因素对去除率的影响。
5) direct current corona
直流电晕
1.
Removal of hydrogen sulfide by direct current corona plasma under oxidative and reductive atmosphere;
氧化还原氛围下直流电晕等离子体脱除硫化氢
6) positive DC corona
正直流电晕
1.
It was obtained through experiment and simulation that positive DC corona inception voltage and corona ion current under different air pressure and humidity conditions.
文中通过实验测量和模拟计算,得到了不同气压湿度下的正直流电晕起始电压和电晕离子电流。
2.
The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured,the results were in good agreement with the waveforms calculated by the fluid model.
为此,测量了不同气压和湿度下的正直流电晕流注脉冲幅值和脉冲重复频率,实验结果与利用流体模型计算得到的波形随气压和湿度的变化规律一致。
补充资料:电晕电场
电晕电场
corona field
(一) 冻、入 —“’火二夕 ab 负吧晕极对接地权放电的外观不意月 u尖板对平面极放电;/)丝极对圈筒形极放电合金。 电晕极与接地极间的距离,在电选中称为极跄,以L表示。电晕放电的效果与许多因素有关相同电压下,极距L愈小,愈易产生电晕放电;极即相同时,电压愈高,产生的电晕电流愈大,且电晕电流在接地极表面的分布范围也愈大;极距及电压均相同时、两极外径的比差愈大,愈容易产生电晕放电;电压、极跟.外径比差相同时,空气湿度愈大,则接地极土产生的电流愈小,反之则大。 凡采用电晕电场的电选设备,分选区域内切忌产生火花放电,要求稳定的电晕区,避免破坏靠近接地极的整个空间负电荷的稳定分布,使进入分选区的导体与非导体矿物均能获得负电荷,否则严重影响分选效果。 (刘永之)d旧ny日门d Jonehong电晕电场(eorona field)高压负电极对着接地正极自激放电形成的高压电场。它的两极之间有电子流动并伴随着辉光放电(见图),有丝丝响声和臭氧产生,在接地正极上可测出微弱的电晕电流。一般情况下,当带电丝极〔或薄片)为。.2mm(指其外径或厚度),两极距离为30mm.电压为15一20kV时,即可产生电晕放电,在两极之间形成电晕电场。将电晕电场应川于电选机是电选技术的一大进步,因为非导体矿物在电晕电场中吸附电荷后,不易与导体矿物混杂,提高了电选效果。 电晕极有尖削状、丝状及刀片状三种,只有采用这二种形状且曲率很大的带电极,两极间电压差又很大时,才容易产生电晕放电。尖极的尖端、丝及刀片尺寸(指外径及厚度)常为0.2~。.stnm。丝外径与鼓筒外径比常达1:600至l:1600,丝的材质为镍铬或钨钥
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