电晕

In this paper, working conditions and failure mechanisms of insulating materials in inverter-fed motors were analysed.

分析了变频电机绝缘材料的工作环境和破坏机理，概述了耐电晕绝缘材料的研究及其在变频电机中的应用现状，讨论了我国在该领域存在的问题，提出了今后耐电晕绝缘材料的研究重点。

The experimental results present that the three electrodes DBD is basically display filamentary discharge mode. The intermittent filament impulses of current wave of the comb-like electrode are unsymmetrical while that of the plate-plate electrode is symmetrical. And the multineedle-plate DBD displays diffuse conical mode.

实验结果表明：三种电极放电的形式不尽相同，但基本上以细丝放电为主要特征；在放电特性上，单面梳状电极DBD呈正负半周期内电流波形上加载非对称的电流脉冲群，双介质板电极DBD则是对称的电流脉冲群，而多针—介质平板电极放电电流波形上既加载了具有电晕放电特征的稀疏幅值大电流脉冲群，又加载了具有DBD放电特征的密集小幅值的电流脉冲群，表现为DBD和电晕放电相叠加的效果。

Corona discharge characteristics of beam-plate electrode in electrostatic oiler have been studied from the plasma body theory.

依等离子体理论，研究了静电涂油机梁板电极电晕的放电特性，同时计算得到了梁板电极电晕放电的起晕场强和起晕电压，定性的揭示了油液荷电的雾化机理，为静电涂油机的研制改造提供了参考依据。

The paper analyzes the electrical corona phenomena, its effect to high_voltage transmission system and present detecting technology. It puts forward a double spectrums imaging system based on spectrum characteristic of electrical corona. It is all-weather and independent of environment radialization and temperature effect. It responds fast and can work in move .Two light ways image for a scene respectively: one way is UV image ,the other is visible image. Then we use image registration and infusion synthetically to form a complex image .The theory and methods of image infusion is explained.

论文基于电晕放电的光谱特性，针对现有电晕放电检测手段的优缺点，提出了一种全天候、不受环境辐射和温度影响、响应速度快、可进行航拍的双光谱图像检测方法：两个光路分别对同一场景成像，一路是紫外图像，一路是可见光图像，综合利用图像配准与融合技术，形成合成图像，在合成的图像中保留每个传感器所获取的重要信息，图像里既有紫外光源，也有可见光背景图像。

Visible corona tests of several busbars of different diameter were carried out in Beijing, Xining and Lhasa where with different altitude respectively, and charge simulation method was employed to calculate the distribution of electrical fields in the vicinity of busbar surface, and then the calculated electric field values and the criteria from gas discharge theory were utilized in evaluating the onset voltage of negative coronas on busbar.

首先在北京、西宁和拉萨3地进行了多种直径模拟管母线的可见电晕对比试验，然后利用模拟电荷法对不同直径管母线表面电场分布进行仿真计算，并结合气体放电理论得到管母线负极性电晕的起晕电压。

It is necessary to study the regularity of the back corona which is one of the chief hitches in operation of electrostatic precipitator.

反电晕是影响电除尘器正常运行的主要障碍之一，本文在实验室内的电除尘器模拟台上，利用高比电阻的有机玻璃板间的窄缝空气隙，在冷态条件下产生反电晕。

The complete range of our generators (1kW-70 kW) has been designed with IGBT technology, we are the unique producer of corona treaters in the world making a generator bigger than 50 kW.

我们是唯一一家发生器超过50 kW的电晕生产商。在中国我们有超过100套超过4米的电晕机，用于BOPP-PET-PA挤出线上。

In this article, the OH radials produced by positive and bi-directional pulse corona discharge in a wire-pla...

一、OH(A~2∑→X~2Π 0-0)自由基的发射光谱利用发射光谱技术在大气压下测量了在氮气、水蒸气混合气体中线-板式正脉冲、双向窄脉冲电晕放电产生的OH(A~2∑→X~2Π 0-0)自由基的发射光谱及在潮湿空气中正脉冲电晕放电OH自由基的发射光谱。

The discorona and re-entrain dust are two key iss ues to improve the efficiency of the electric precipitator.

反电晕和二次飞扬是电除尘器遇到的两大技术难题，本文提出了一种宽支撑防风型芒刺电晕线，它加大了阴极收尘面积，防风措施减小了阴极二次飞扬。

ABSTRACT: Based on the finger prints of insulator corona discharges, a new detecting method is introduced to inspect for the faulty porcelain insulator string on ground in this paper.

在深入研究绝缘子及绝缘子串电晕放电指纹的基础上，提出了用绝缘子串电晕放电的指纹来检测不良绝缘子串的新方法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。