Control apparatus for a drive system

If a voltage of each capacitor cell of a plurality of capacitor cells, which form a capacitor is lower than a system malfunction voltage V (1) (YES in S102) and if the voltage of any of the capacitor cells is higher than a cell charge inhibition voltage V (2), the lower as the system malfunction voltage V (1) (nO in S104), an ECU executes a program including a step of setting a limit value WIN (C) of the capacitor for storing electrical energy to 0 by (S108).