Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

2 October 2008 – Following successful final acceptance testing at the Siemens transformer factory in Nuremberg, the world’s first 800kV transformer for extra-high-voltage DC transmission systems (HVCD ...

I’m sure many readers would question why anyone would want to perform a relatively expensive insulation power factor test on an inexpensive transformer. Typically, if any testing is done, it will be ...

Omicron's CT Analyzer provides fast and cost-effective testing and verification of current transformers for protection and metering applications. It automatically determines all relevant current ...

Rick Nebel used to run the IEC fusion project at EMC2. EMC2 fusion is a promising approach to commercial nuclear fusion. Richard Nebel was interviewed in May, 2009 by Nextbigfuture on EMC2 fusion.

A new method of injecting dc current into power inductors enables designers to avoid common pitfalls when measuring these devices, thus minimizing measurement errors. In power supplies, dc-dc ...