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 …

Water can be an irritant to a power transformer, as it is recognized as a major hazard to the
operation of transformers. The water content of a transformer insulation system comprises …

The monitoring of moisture inside a transformer is necessary for its continuous reliable
operation. It is monitored by the utility as a part of its periodic maintenance activities. Online …

This study describes a low‐cost sensor‐based scheme for online moisture measurement in
transformer oil. Considering a harsh environment, moisture measurement of oil at ppm level …

The degradation of the insulation system in liquid-filled power transformers is a serious
concern for electric power utilities. The insulation system's ageing is accelerated by …

An electrical discharge that occurs at an oil/pressboard interface or pressboard surface is
called surface partial discharge. The surface discharge activity can cause irreversible …

Transformers are essential and costly components of electrical secondary distribution
networks (ESDNs). Distribution transformers provide electricity to low-voltage consumers …

The degradation of transformer oil-paper insulation is one of the major concerns for utilities
and transformer owners. Temperature and moisture are amongst the key variables to be …

The insulation performance of oil paper insulation is significantly affected by moisture such
that monitoring moisture content is important. However, it is difficult to obtain the moisture …

The surface discharge along the interface of solid–liquid insulation is one of the main
causes of the deterioration of the life of a power transformer. This experimental study …