While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant voltage transformer (CVT). The… ...

The Smartpack2 is Eltek's most advanced distributed controller with features for managing AC power sources, the DC power system, back-up power systems and legacy ferroresonant DC power rectifiers.