Instrument transformers are crucial for a reliable and safe energy supply. During the lifetime of instrument transformers, a number of internal and external factors may change the operational behavior ...

THE ENERGY Regulatory Commission (ERC) detailed on Wednesday the inspection process for meters and instrument transformers to be used in the power system in a package of rules on device certification ...

Alstom Grid’s Instrument Transformers has developed a new range of digital instrument transformers solutions enabling full IEC 61850 implementation. This new range, called COSI – Compact Optical ...

Instrument transformers, encompassing current transformers (CTs) and voltage transformers (VTs), are indispensable for scaling high-voltage or high-current signals to levels suitable for protection, ...

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 ...

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 ...