Costa, J.V.; Silva, D.F.F.; Branco, P.J.C. Large-Power Transformers: Time Now for Addressing Their Monitoring and Failure Investigation Techniques. Energies2022, 15, 4697.
Costa, J.V.; Silva, D.F.F.; Branco, P.J.C. Large-Power Transformers: Time Now for Addressing Their Monitoring and Failure Investigation Techniques. Energies 2022, 15, 4697.
Costa, J.V.; Silva, D.F.F.; Branco, P.J.C. Large-Power Transformers: Time Now for Addressing Their Monitoring and Failure Investigation Techniques. Energies2022, 15, 4697.
Costa, J.V.; Silva, D.F.F.; Branco, P.J.C. Large-Power Transformers: Time Now for Addressing Their Monitoring and Failure Investigation Techniques. Energies 2022, 15, 4697.
Abstract
Large power transformers are generally associated with a maximum capacity rating of 100 MVA or higher. These large liquid dielectric power transformers are a custom-built piece of equipment, thus very expensive, and a backbone element of the power grid. In extreme cases as, for example, severe geomagnetic disturbances, permanently monitoring their condition will enhance their electrical reliability and resilience to guarantee efficient management of its life cycle. However, some traditional monitoring/diagnosis techniques have singular features when applied to large power transformers and their interlinked subsystems. In this context, and since that information is hardly put in evidence and compiled in the literature, this paper reviews the particularities of monitoring and diagnosing those assets.
Keywords
Large power transformer; condition monitoring; transformer fault diagnosis; diagnostic techniques; mechanical or electrical integrity of the core and windings
Subject
Engineering, Electrical and Electronic Engineering
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
