Insulation cellulose paper is a basic measure for a power transformer's remaining useful life,
and its advantageous low cost, electrical, and mechanical properties have made it an …

Methyl ester from vegetable oil has been considered a potential replacement for mineral oil
used for power transformer cooling and insulating applications. However, some pertinent …

In this paper, frequency dependent dielectric parameters of pure oils and nanofluids have
been studied at different temperatures to investigate any improvement of the dielectric …

This paper presents investigation on dielectric characteristics of mineral and vegetable oil
based hybrid nanofluids at different temperatures by Time and Frequency Domain …

This paper proposes an advanced technique for estimating the paper moisture content
within oil-impregnated pressboard by analyzing its dielectric response current signature …

Application of low pour point esters in transformers insulation serving in cold climatic regions
is still a challenge. To address this concern, the pre-breakdown and breakdown analyses of …

This article investigates the dielectric properties of mixed oils [ie, blending of mineral oil
(MO) and vegetable oil (VO)] and their nanofluids at different temperatures by time-and …

It is a fact that the frequency domain spectroscopy (FDS) curve at different temperatures can
be corrected by the shift factor (α T) extracted from the master curve. However, the α T and …

Accurate estimation of paper‐moisture in transformer insulation is necessary for ensuring
their satisfactory operation. Paper‐moisture in transformer insulation can be estimated from …

During normal operation, power transformer insulation always experiences a temperature
gradient along radial direction with respect to core axis. Over time, this gradient creates non …