Systems for extension busbar for inverter for electric vehicle

A busbar assembly for a multi-level inverter;

• the busbar assembly comprising:
• a positive busbar including a first positive connector to one or more extension capacitors, a second positive connector to one or more two-level capacitors, and a third positive connector to one or more power modules;
• a negative busbar including a first negative connector to the one or more extension capacitors, a second negative connector to the one or more two-level capacitors, and a third negative connector to the one or more power modules;
• and
• a neutral busbar including a first neutral connector to the one or more extension capacitors, and a second neutral connector to a multi-level extension board.

An extension assembly for a multi-level inverter;

• the extension assembly comprising:
• one or more extension capacitors;
• a multi-level extension board including one or more extension switches;
• a positive busbar including a first positive connector to the one or more extension capacitors, a second positive connector to one or more two-level capacitors, and a third positive connector to one or more power modules;
• a negative busbar including a first negative connector to the one or more extension capacitors, a second negative connector to the one or more two-level capacitors, and a third negative connector to the one or more power modules;
• and
• a neutral busbar including a first neutral connector to the one or more extension capacitors, and a second neutral connector to the multi-level extension board.