Megger has opened a comprehensively equipped cable test training centre at its Dover headquarters. The new centre, which is the most up-to-date of its kind in the UK, will allow Megger to provide practical hands-on training for fault location and...

Power transformers are costly, difficult to replace assets that are often used in critical applications. It’s unsurprising therefore that many different techniques have been developed for diagnostic and routine testing of transformers. So many...

This is the third in a short series of articles dealing with power factor (PF)/ dissipation factor (DF) tests, which are widely used to assess insulation condition in transformers and other electrical assets. The first two articles, which are still...

This second and concluding part of the article looks at more factors that can influence test results, and ends by summarizing recommendations for best practice in SFRA testing.