Abstract: A hybrid vehicle includes an engine; a generator that generates a counter-electromotive force; a motor; a first inverter for the generator; a second inverter for the motor; a step-up converter that steps up an electric power of a first voltage system electric power line and supplies the electric power to a second voltage system electric power line; and a smoothing capacitor of the second voltage system electric power line. In a case where the hybrid vehicle travels by driving the engine in a state in which the stepping up by the step-up converter and an operation of the first inverter are stopped when an abnormality occurs in a voltage sensor, when an electronic control unit determines that there is an indication that the voltage of the capacitor will rise, the first inverter is controlled to cause three phases of the first inverter to be in an ON state.

Abstract: A hybrid vehicle includes an engine, a first rotating electrical machine, a second rotating electrical machine, a pair of power lines, a first inverter, a second inverter, a battery, a converter, a voltage sensor, and an electronic control unit. The electronic control unit is configured to determine that the voltage sensor is normal and perform a first evacuation running control when an output of the voltage sensor changes by the predetermined value or more while a voltage change process is carried out. The electronic control unit is configured to control the converter to a gate shutoff state, control a motive power of the engine in such a manner as to rotate the first rotating electrical machine and put the first rotating electrical machine into a regeneration state, and control the second rotating electrical machine to a power running state, as the first evacuation running control.

Abstract: A hybrid vehicle includes an engine; a generator that generates a counter-electromotive force; a motor; a first inverter for the generator; a second inverter for the motor; a step-up converter that steps up an electric power of a first voltage system electric power line and supplies the electric power to a second voltage system electric power line; and a smoothing capacitor of the second voltage system electric power line. In a case where the hybrid vehicle travels by driving the engine in a state in which the stepping up by the step-up converter and an operation of the first inverter are stopped when an abnormality occurs in a voltage sensor, when an electronic control unit determines that there is an indication that the voltage of the capacitor will rise, the first inverter is controlled to cause three phases of the first inverter to be in an ON state.

Abstract: A hybrid vehicle includes an engine, a first rotating electrical machine, a second rotating electrical machine, a pair of power lines, a first inverter, a second inverter, a battery, a converter, a voltage sensor, and an electronic control unit. The electronic control unit is configured to determine that the voltage sensor is normal and perform a first evacuation running control when an output of the voltage sensor changes by the predetermined value or more while a voltage change process is carried out. The electronic control unit is configured to control the converter to a gate shutoff state, control a motive power of the engine in such a manner as to rotate the first rotating electrical machine and put the first rotating electrical machine into a regeneration state, and control the second rotating electrical machine to a power running state, as the first evacuation running control.