RECTIFIER SLOT PLUGGABLE CAPACITOR UNIT

In some embodiments, apparatuses and methods are provided herein useful to maintaining a minimum supplied voltage and/or current to an equipment. In some embodiments, there is provided a power system including at least one shelf including a plurality of rectifier slots, wherein each rectifier slot is configured to receive a rectifier unit that converts an alternating current (AC) into a direct current (DC); and at least one capacitor unit pluggable and operable in one of the plurality of rectifier slots.