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 ...

Designed for use in conjunction with the company’s circuit breaker analyzers, the new LTC135 accessory power supply from Megger allows transformer load tap changers to be tested easily and ...

A Load Tap Changer (LTC) failure can be catastrophic to the rest of the electric power system. SDMyers, a transfomer reliability company, estimates that about 40 percent of LTC-equipped transformer ...

Electrica signature analysis (ESA) uses the magnetic field in the air gap of an electrical machine to evaluate power quality conditions. Dry and oil transofrmer types are subject to problems ...