In exemplary embodiments discussion above in this document, in conjunction with FIGS. 1-7, a system is presented for a power converter 500, and elements of the power converter 500 (such as adaptable power electronics building blocks line replacement units 200.A and adaptable power stages 300), which provide for field-adaptable power conversion in response to changing electrical requirements. In some embodiments of the present system and method, the field adaptations may be made automatically via software and software modules running on any of microcontroller units 227, 327, 527 discussed above.