Power transformers are most imperative and critical element in electrical power system grid.
To have a consistent electricity supply it is obligatory to give substantial attention for upkeep …

Power transformers are a key component of electrical networks, and they are both expensive
and difficult to upgrade in a live network. Many utilities monitor the condition of the …

摘要综述了电力变压器油纸绝缘老化的研究现状, 剖析了影响变压器油纸绝缘老化的各种因素.
分析了变压器油纸绝缘热老化特征产物及规律, 强调了水分对变压器油纸绝缘热老化的影响 …

Introduction ower transformers are one of the most expensive elements in a power system,
and their failure is a very costly event. Power transformers are mainly involved in energy …

Polarization and Depolarization Current (PDC) technique is an effective tool to assess the
condition of oil-paper insulation system in power transformers. So far the PDC behaviors of …

In this paper, to effectively distinguish between the aging and moisture of oil-immersed
paper (OIP), and to enhance the accuracy of the nondestructive diagnosis of the insulating …

For achieving the aging characteristic parameters of transformer oil-paper insulation, oil
impregnated pressboard samples are acceleratedly thermally aged at high temperature …

Los sistemas de transmisión de energía eléctrica comprenden un enlace fundamental en el
sector productivo y social de un país. Uno de los principales componentes de estos …

To explore the aging assessment method of the oil–paper insulation in power transformers,
the polarization and depolarization current (PDC) characteristics of oil–paper composite …

Polarization and Depolarization Current (PDC) testing is a non-destructive dielectric testing
method to determine the conductivity of insulations. It is one of the dielectric diagnostic …