Molecular simulation and experimental analysis of Al2O3-nanoparticle-modified insulation paper cellulose

C Tang, S Zhang, J Xie, C Lv - IEEE Transactions on Dielectrics …, 2017 - ieeexplore.ieee.org
To improve the thermal stability of the cellulose insulation paper used in power transformers,
Al 2 O 3 nanoparticles were used to modify traditional cellulose insulation paper. Molecular …

[PDF][PDF] 水分对油纸绝缘热老化速率及热老化特征参量的影响

廖瑞金, 孙会刚, 尹建国, 巩晶, 杨丽君… - 电工技术 …, 2012 - dgjsxb.ces-transaction.com
摘要本文设计了在110℃ 和130℃ 下初始含水量分别为1%, 3%, 5% 的绝缘纸试品在变压器油
中的老化试验. 系统地研究了不同初始含水量对油纸绝缘热老化速率的影响 …

[PDF][PDF] 变压器油纸绝缘频域介电特征量与绝缘老化状态的关系

廖瑞金, 郝建, 杨丽君, 袁泉, 唐超 - 电工技术学报, 2012 - dgjsxb.ces-transaction.com
摘要为了更好地将频域介电谱技术用于无损诊断变压器油纸绝缘老化状态,
通过频域介电谱测试了不同老化程度油纸绝缘试品的频域介电特征量. 研究了油纸绝缘试品的 …

The influence of organic acid on thermal aging of power transformer oil-paper insulation

C Yunguang, W Guangning, W Xiaojian… - 2013 Annual Report …, 2013 - ieeexplore.ieee.org
To research the influence of one of the aging product (organic acid) of cellulose on oil-paper
insulation, low molecular weight of the carboxylic acid (formic, acetic) and high molecular …

[PDF][PDF] 绝缘油中抗氧化剂DBPC 对油纸绝缘老化速率及糠醛生成特性影响研究

廖瑞金, 冯大伟, 邓帮飞, 林元棣 - 电工技术学报, 2018 - researchgate.net
摘要二叔丁基对甲酚(DBPC) 是绝缘油最常用的抗氧化剂, 试验发现绝缘油中DBPC
的添加量会影响绝缘纸老化速率和糠醛的产生. 为确定DBPC 对油纸绝缘系统老化及糠醛产生的 …

[PDF][PDF] 矿物油-天然酯混合绝缘油减缓绝缘纸热老化速率机理的XPS 研究

廖瑞金, 尹建国, 杨丽君, 梁帅伟, 郝建 - 电工技术学报, 2011 - dgjsxb.ces-transaction.com
摘要以矿物油-天然酯混合绝缘油及25# 矿物油为研究对象, 对比了两种绝缘油对绝缘纸热老化
速率的影响, 证实了混合油对油纸绝缘老化速率起到明显的抑制作用. 为了进一步分析混合油对 …

Aging and life assessment of large and medium-sized power transformers in nuclear power plants

C Yang, H Shi, T Liu - 2012 Second International Conference …, 2012 - ieeexplore.ieee.org
In order to effectively manage the large and medium-sized power transformer in nuclear
power plants, several methods for the aging and life assessment of large and medium-sized …

Condition evaluation of oil-paper insulation based on dielectric spectroscopy

S Yang, M Dong, G Zhang… - 2009 IEEE Conference on …, 2009 - ieeexplore.ieee.org
New techniques are necessitated to be introduced for the diagnosis of large oil-immersed
power equipments for the disadvantages of traditional methods such as not very good …

Research of ageing and life assessment methods of power transformers in nuclear power plants

CF Yang - Advanced Materials Research, 2013 - Trans Tech Publ
The effective methods of the ageing and life assessment for large and medium-sized power
transformers used in nuclear power plants are analyzed and described, including the …

Life assessment methods of large and medium-sized power transformers

C Yang - 2012 - IET
The effective methods of the ageing and life assessment of large and medium-sized power
transformers used in nuclear power plants are analyzed and described, including the …