Furfural analysis is widely used in the aging state assessment of oil-immersed transformers
due to its close relationship with the degradation of insulation paper. Herein, we present a …

The effects of furfural generation and partitioning on the aging assessment of oil-paper
insulation of power equipment were investigated. Oil-paper samples with various furfural …

Transformer is the key substation equipment in power system. The data accumulated during
system operation can provide information for further state evaluation and fault diagnosis to …

Health Index (HI) technique is useful for maintenance strategy planning of transformers
utilized in industrial sectors and electrical power systems. The conventional HI method …

Power transformer undergo aging overtime that degrades its insulation system. Oil-
immersed paper insulation degradation in transformer can be assessed through the change …

Power transformers, integral to electrical systems, necessitate substantial investment. Their
operational longevity hinges critically on the qutility of their insulation system. This study …

Introduction. Ensuring the operational reliability of power transformers is an urgent task for
the power industry in Ukraine and for most foreign countries. One of the ways to solve this …

Paper ageing is an irreversible process, which has made paper insulation a lifetime
determining factor for transformers. Chemical indicators in oil such as carbon oxide gases …

This Transformer experiences aging everyday as it gets older. The aging of transformer can
be detected by assessing the condition of its oil insulation. Every transformer has its own …

Ageing assessment of transformer insulation is essential towards proposing asset
management strategies. IEC 60422 is a standard that recommends not only a list of oil test …