The model test of partial discharge is carried out based on the analysis of defect in oil paper insulation of transformer.
根据对变压器油纸绝缘内部常见缺陷的分析,进行了局部放电模型试验。
A new method is introduced in this paper for field detection of the general status of oil paper insulation system by using dielectric polarization spectrum analysis.
介绍了一种利用绝缘介质极化特性在现场检测油纸绝缘总体状态的新方法。
The investigation shows that ANN has enough ability to recognize different types of discharge of oil-paper insulation in transformers.
研究结果表明,人工神经网络对油纸变压器绝缘放电有足够的识别能力。
This paper discusses the influence of the design mode on insulation system including solid insulation and insulation liquid, and carries out the heat analysis of winding and oil duct.
文章讨论了这些设计方式对绝缘系统包括固体绝缘和绝缘液体的影响,并且对绕组和油道进行了热分析。
However, in coaxial oil-paper combination insulation when the thickness of insulation exceeds a certain value the field strength within the pressboard under polarity reversal will increase instead.
但在同轴油纸复合绝缘中,当绝缘厚度超过一定值后,纸中极性反转场强反而增加。
The paper analyzes the reason for corrosion of the Liaohe heavy oil pipeline and explains critical problems and quality control of anticorrosion and insulation technology.
分析了辽河油田稠油管道的腐蚀原因,阐述了稠油管道防腐保温技术的关键问题及防腐保温的质量控制。
Experiment shows that PD location in oil gap is possible through X- ray irradiation treated by collimation, which might be a new approach to PD location in oil - paper insulation.
试验表明,在对X射线进行准直处理后,实现X射线激励下油间隙局部放电的定位是可能的,这一方法有望成为油纸绝缘系统局部放电定位的新手段。
The results show that rapeseed insulating oil-paper insulation impregnated can reach the standards of mineral insulating oil by increasing the impregnation temperature.
研究结果表明,通过提高浸渍温度,植物绝缘油油纸绝缘的浸渍效果可以达到矿物绝缘油的标准。
The dielectric constant of insulating vegetable oil is about 1.5 times larger than that of mineral oil, which is helpful to improve an uneven distribution of electrical field in oil-paper insulation.
而且具有良好的电气性能,其介电常数大约是矿物绝缘油的1.5倍,有利于改善油纸绝缘结构中电场分布不均的问题。
This paper studied the space charge characteristics of oil-paper insulation materials by the Pulsed Electro-Acoustic (PEA) method.
为探讨高压直流设备绝缘的最主要问题—空间电荷效应,应用电声脉冲法(PEA)对油纸绝缘材料的空间电荷特性进行了研究。
Oil duct strut insulation material is stuck by rectangular strut and adhesive diamond pattern insulating paper with special adhesive.
油道撑条带 油道撑条绝缘材料是由矩形撑条与涂胶菱格绝缘纸使用特种胶粘剂粘贴而成;
A new pneumatic switch was developed in order to meet the requirements of special electric test for simulated oil-impregnated paper insulation system.
为满足油纸绝缘模拟结构的特殊电气性能试验的要求 ,研制了新颖的气动开关。
The primary winding is with oil-paper capacity insulation structure.
一次绕组采用油纸电容型绝缘结构。
The proposed method was verified by a simple model, which has analytical solutions, and used to analyze the pr process of a typical oil-paper insulation structure of converter transformer.
通过一个有解析解的双层有损同轴绝缘结构模型,验证了方法的有效性。最后,分析了一个换流变压器阀侧绕组典型绝缘结构的极性反转电场变化过程。
The proposed method was verified by a simple model, which has analytical solutions, and used to analyze the pr process of a typical oil-paper insulation structure of converter transformer.
通过一个有解析解的双层有损同轴绝缘结构模型,验证了方法的有效性。最后,分析了一个换流变压器阀侧绕组典型绝缘结构的极性反转电场变化过程。
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