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1. A load drive control system for a hybrid vehicle, comprising:
a zero current control execution device configured to perform zero current control in which a rotor of an electric motor which serves as a drive source of the hybrid vehicle is rotated under no load condition if the hybrid vehicle travels using a driving force from only an internal-combustion engine which serves as a drive source of the hybrid vehicle, the hybrid vehicle including a converter and an inverter, the converter being configured to raise a DC voltage output from an electricity storage device configured to supply electricity to the electric motor, the inverter being configured to convert an output voltage of the converter into an AC voltage and to apply the AC voltage to the electric motor, the zero current control execution device being configured to control the converter to output a substantially constant raised voltage that is higher than an inductive voltage generated in the electric motor; and an error compensating device configured to compensate for an attachment error of a first position detector based on a d-axis voltage command value for the electric motor calculated during the zero current control, the first position detector being configured to detect a rotational position of the rotor of the electric motor.
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