Hybrid vehicle and control method thereof
If in S10 the travel mode is determined to be an HV travel mode (YES in S10), an ECU sets an HV travel mode system voltage (S20). Meanwhile, if in S10 the travel mode is determined to be an EV travel mode (NO in S10), the ECU sets an EV travel mode system voltage (S30). Further, the setting for the EV travel mode system voltage is lower than the setting for the HV travel mode system voltage. 1. A hybrid vehicle, wherein With: Produce the vehicle and the driving force of the internal combustion engine (ENG) and electric motor (MG2); Storage device (10); Driving device for driving the electric motor (132); Disposed between said drive means and between said storage device and the driving device to the input voltage boost stated in the voltage of the storage device the voltage of the high voltage of the switching device (110); and Control said voltage conversion device control device (15), In the running of the internal combustion engine is stopped and the 1st running mode when (EV running mode), the work of the internal combustion engine relative to the use of the internal combustion engine of the motor to be running and the 2nd running mode when (HV running mode), the control device changes the setting of the input voltage. 2. Hybrid vehicle according to Claim 1, wherein In the 1st during the running mode, the control device with the 2nd during the running mode is reduced compared to the input voltage to the input voltage of the inclination. 3. Hybrid vehicle according to Claim 1, wherein During the running mode in the 1st, the 2nd relative to the running mode, the control device changes the upper limit of the input voltage is set. 4. Hybrid vehicle according to Claim 1, wherein During the running mode in the 1st, and produce the vehicle the operation of the driving force of the motor under the condition of identical state of the 2nd compared with during the running mode, the control device will be the input voltage is set to be lower. 5. Hybrid vehicle according to Claim 1, wherein Furthermore, as the priority to the stop of the driving of the internal combustion engine operation mode 1st the (CD mode), with respect to power generation through the use of the internal combustion engine to maintain the state of charge of the electrical storage device 2nd operation mode when the (CS mode), the control device changes the setting of the input voltage. 6. Hybrid vehicle according to Claim 1, wherein For also has the normal mode and for the driver to select any one of the save in the mode of the input device (145), The control device in the through the input unit when the save mode is selected, the setting of the input voltage when the change setting of the normal mode the following, In the 1st during the running mode when the save mode is selected the input voltage than the rate of decrease in the 2nd during the running mode when the save mode is selected the drop rate is large. 7. Hybrid vehicle according to Claim 1, wherein The control device in the 1st and 2nd during the running mode, according to the the rotational speed of the electric motor are further change the setting of the input voltage. 8. Hybrid vehicle according to Claim 1, wherein The control device in the 1st and 2nd during the running mode, respectively in accordance with the vehicle driving force to further change the setting of the input voltage. 9. Hybrid vehicle according to Claim 1, wherein The control device in the 1st and 2nd during the running mode, based on the output of the electric motor further change the setting of the input voltage. 10. Hybrid vehicle according to Claim 1, wherein Also with generator (MG1), in the motor when the work of driving the generator (MG1) driving the power generator by the internal combustion engine, and can supply power to the storage device. 11. A control method of the hybrid vehicle, The hybrid vehicle (100) having: Produce the vehicle and the driving force of the internal combustion engine (ENG) and electric motor (MG2); Storage device (10); Driving device for driving the electric motor (132); and Disposed between said drive means and between said storage device and the driving device to the input voltage boost stated in the voltage of the storage device the voltage of the high voltage of the switching device (110), The control method comprises: 1st step, set to the stop of the internal combustion engine of the 1st running mode (EV running mode) of the input voltage; and 2nd step, set to the work and the internal combustion engine using the internal combustion engine and the motor for driving the 2nd running mode (running mode HV) with the input voltage. 12. The control method of the hybrid vehicle according to Claim 11, wherein For the 1st running mode the input voltage in order to than the 2nd running mode for reducing the tendency of the input voltage is set. 13. The control method of the hybrid vehicle according to Claim 11, wherein The 1st step includes setting the 1st running mode for the upper limit of the input voltage step of, The 2nd step includes setting the 2nd running mode for the upper limit of the input voltage step. 14. The control method of the hybrid vehicle according to Claim 11, wherein The 1st of a running mode set to be less than the input voltage of a vehicle the operation of the driving force of the motor under the condition of identical state for the 2nd running mode the input voltage is low. 15. The control method of the hybrid vehicle according to Claim 11, wherein Also includes the setting of the priority of the stop of the internal combustion engine operation mode 1st (CD mode) for the steps of the input voltage, The 1st and 2nd step in through the use of said internal combustion engine and to maintain the state of charge of the electrical storage device 2nd operation mode is performed (CS mode).