DESPERATE FOR DIAGNOSTICS
There’s a big problem with Russia’s electricity supply infrastructure, says Alexey Klimov, Managing Director of Pergam Engineering, one of that country’s most successful suppliers of services and equipment for electrical and non-destructive testing. And the problem is that almost all of the generating, transmission and distribution plant is decades old, and its present condition is largely unknown.

Thinking inside the box
A power transformer is for all intents and purposes a sealed box. While it is, in theory, possible to see what’s going on “inside the box” by dismantling the transformer, this is hardly ever a practical option. Yet changes can take place within a transformer that compromise its reliability and/or shorten its service but, in the short term, have no apparent effect on its performance.