Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...

Power transformers must be operational for decades, especially with lead times for new units extending years out from order dates. Ensuring a transformer is safely and efficiently functioning can be ...

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 ...

The costliest piece of equipment in a substation is the Power Transformer. Therefore, a good maintenance program is required to keep these power transformers operating reliable. Over the past few ...

Following the successful launch of training courses in its new purpose-designed training center at its Dover, England, site, Megger has announced a third opportunity to learn about Power Transformer ...

So you have an old tube-type transmitter as a backup. It ran perfectly when you last turned it on two years ago to substitute for your then-ailing solid-state main transmitter. Now you need it again.

BAODING, HEBEI PROVINCE, CHINA, January 19, 2026 /EINPresswire.com/ — In the rapidly evolving global power and energy sector, the reliability of transformers and ...

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 ...