A power conversion apparatus that includes a plurality of switching elements (Ua, Ub, Va, Vb, Wa, Wb) and that drives a motor which is connected through a cable, by performing control that turns on and off the plurality of switching element, the power conversion apparatus comprising: an inverter circuit that is configured with a plurality of switching elements that are upper arms (Ua, Va, Wa) for controlling current for the motor and a plurality of switching elements that are lower arms (Ub, Vb,Wb); and a determination unit that determines a short circuit point, wherein, when an inter-phase short circuit point that occurs in the motor and the cable is inspected, the determination unit causes a short circuit current to be generated by turning on, at the same time, the switching elements that are one upper arm and one lower arm which are in different phases and, based on a current increasing speed, Δi1, when a short circuit occurs and a current decreasing speed, Δi2, after the short circuit occurs, determines the short circuit point wherein the current increasing speed and current decreasing speed are current change rates, characterized in that the determination unit is configured to determine the short circuit point by: determining a first value when Δi1 is lower than a first predetermined threshold and Δi2/Δi1 is lower than a second predetermined threshold, the first value indicating that the short circuit point is positioned within the motor; determining a second value when Δi1 is lower than the first predetermined threshold and Δi2/Δi1 is higher than the second predetermined threshold, the second value indicating that the short circuit point is on the cable in the vicinity of the motor; or determining a third value when Δi1 is greater than the first predetermined threshold, the third value indicating that the short circuit point is on the cable in the vicinity of the inverter. an inverter circuit that is configured with a plurality of switching elements that are upper arms (Ua, Va, Wa) for controlling current for the motor and a plurality of switching elements that are lower arms (Ub, Vb,Wb); and a determination unit that determines a short circuit point, wherein, when an inter-phase short circuit point that occurs in the motor and the cable is inspected, the determination unit causes a short circuit current to be generated by turning on, at the same time, the switching elements that are one upper arm and one lower arm which are in different phases and, based on a current increasing speed, Δi1, when a short circuit occurs and a current decreasing speed, Δi2, after the short circuit occurs, determines the short circuit point wherein the current increasing speed and current decreasing speed are current change rates, characterized in that the determination unit is configured to determine the short circuit point by: determining a first value when Δi1 is lower than a first predetermined threshold and Δi2/Δi1 is lower than a second predetermined threshold, the first value indicating that the short circuit point is positioned within the motor; determining a second value when Δi1 is lower than the first predetermined threshold and Δi2/Δi1 is higher than the second predetermined threshold, the second value indicating that the short circuit point is on the cable in the vicinity of the motor; or determining a third value when Δi1 is greater than the first predetermined threshold, the third value indicating that the short circuit point is on the cable in the vicinity of the inverter. determining a first value when Δi1 is lower than a first predetermined threshold and Δi2/Δi1 is lower than a second predetermined threshold, the first value indicating that the short circuit point is positioned within the motor; determining a second value when Δi1 is lower than the first predetermined threshold and Δi2/Δi1 is higher than the second predetermined threshold, the second value indicating that the short circuit point is on the cable in the vicinity of the motor; or determining a third value when Δi1 is greater than the first predetermined threshold, the third value indicating that the short circuit point is on the cable in the vicinity of the inverter.