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 ...

With Megger’s new test van, it is now possible to carry out a full range of tests on power transformers quickly and conveniently at any location that can be reached by road. This means that ...

Read an introduction to this series in Part 1, and Part 2, which covers noise. This is the third and final part in a series which discusses how to properly test a power supply to ensure it will work ...

As part of a power electronics design project involving a 3.6-V dc-dc converter, it became necessary to test and accurately characterize the planar transformer shown in Fig. 1. Transformer operating ...

Power transformers are often the main source of common-mode noise in isolated switching power converters. Why? Because inside the transformer, the windings on the primary and secondary sides of the ...

Power system stability and security assessment is a critical field that ensures modern electrical grids operate reliably amid increasing demands, renewable integration and evolving cyber threats. This ...

GE’s Digital Energy business has launched its Multilin 845 Transformer Protection System, part of the Multilin 8-Series platform of protective relay devices, which includes the 850 Feeder Protection ...