Control system for medium voltage variable frequency drive

A drive system comprising:

• a plurality of power cells supplying power to one or more output phases, each power cell comprising multiple switching devices incorporating semiconductor switches, and
• a control system in communication with the plurality of power cells and controlling operation of the plurality of power cells,
• wherein the control system comprises a system on chip comprising
• one or more central processing units, and
• a field programmable gate array in communication with the one or more central processing units,
• wherein the system on chip comprises first and second central processing units in communication with each other,
• wherein the second central processing unit is configured to receive power cell control information and to generate first operating commands, and
• wherein the first central processing unit is configured to receive command and status information and to generate at least one instruction based upon the command and status information, the at least one instruction configured to instruct the second central processing unit to generate second operating commands.