A contactless power supplying system comprising: a transmitting coil configured to transmit power; a power control unit configured to cause power from a power source to flow through the transmitting coil; a receiving coil configured to receive the power transmitted from the transmitting coil by means of magnetic coupling; a load to which power outputted from the receiving coil is inputted; and a control unit configured to perform power limiting control of limiting the power flowing through the transmitting coil by controlling the power control unit, wherein: the control unit is configured to select a control mode to be employed for the power limiting control based on a coil coupling condition between the transmitting coil and the receiving coil and a magnitude relationship between an induced current and a receiving coil current, the control unit has a control mode in which the power is limited in a situation where a load voltage is low and a control mode in which the power is limited in a situation where the load voltage is high, when the receiving coil current is greater than the induced current, the control unit is configured to select the control mode in which the power is limited in a situation where a load voltage is low, and when the induced current is greater than the receiving coil current, the control unit is configured to select the control mode in which the power is limited in a situation where the load voltage is high. a transmitting coil configured to transmit power; a power control unit configured to cause power from a power source to flow through the transmitting coil; a receiving coil configured to receive the power transmitted from the transmitting coil by means of magnetic coupling; a load to which power outputted from the receiving coil is inputted; and a control unit configured to perform power limiting control of limiting the power flowing through the transmitting coil by controlling the power control unit, wherein: the control unit is configured to select a control mode to be employed for the power limiting control based on a coil coupling condition between the transmitting coil and the receiving coil and a magnitude relationship between an induced current and a receiving coil current, the control unit has a control mode in which the power is limited in a situation where a load voltage is low and a control mode in which the power is limited in a situation where the load voltage is high, when the receiving coil current is greater than the induced current, the control unit is configured to select the control mode in which the power is limited in a situation where a load voltage is low, and when the induced current is greater than the receiving coil current, the control unit is configured to select the control mode in which the power is limited in a situation where the load voltage is high. the control unit is configured to select a control mode to be employed for the power limiting control based on a coil coupling condition between the transmitting coil and the receiving coil and a magnitude relationship between an induced current and a receiving coil current, the control unit has a control mode in which the power is limited in a situation where a load voltage is low and a control mode in which the power is limited in a situation where the load voltage is high, when the receiving coil current is greater than the induced current, the control unit is configured to select the control mode in which the power is limited in a situation where a load voltage is low, and when the induced current is greater than the receiving coil current, the control unit is configured to select the control mode in which the power is limited in a situation where the load voltage is high.