Because engineers build libraries of information that could be useful to them in the future Megger has introduced a series of Transformer Life Management (TLM) Bulletins.

For many years, predictive maintenance and motor reliability experts have debated the merits of surge testing. Questions about the benefits and findings of the test have fuelled heated discussions on forums and in boardrooms around the world. Some in the...

Winding resistance tests are used to assess the condition of the current carrying path between transformer bushing terminals. Experts recommend that this test is carried out routinely as, arguably, it can reveal more incipient failure modes than most other...