Abstract: A power supply system and a connector, which can suppress occurrence of crosstalk between a power supply wire, and a control wire and an earth wire in a charging cable that includes the power supply wire, the control wire and the earth wire at the time of connecting a power supplying device with a vehicle having a power storage device to be supplied with power from the power supplying device via the power supply wire and the earth wire to be used for supplying power and the control wire for transmitting a control signal to be used for power supply control of the power storage device, are provided. The ratio of the winding number of a primary coil connected with at least one of the control wire and the earth wire to the winding number of a secondary coil connected with a communication unit that sends and receives a communication signal is set at 1/N (N>1) in a system which satisfies VnC>VnL or is set at N (N>1) in a system which satisfies VnC<VnL.

Abstract: An output circuit sends a control pilot signal generated in a voltage generator to an input circuit. A communication unit is connected between an earthed wire and a control pilot wire on the output side of the output circuit via a bandpass filter. A communication unit is connected between the earthed wire and the control pilot wire on the input side of the input circuit via a bandpass filter. A low-pass filter is interposed between the output circuit and the communication unit. A low-pass filter is interposed between the input circuit and the communication unit.

Abstract: An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.

Abstract: Provided are a power line communication system, a connector device, and a power line communication device that allow downsizing of a device for power line communication in a vehicle that performs power line communication with a feeding device via a charging cable. An electromagnetic induction type signal converter and a filter necessary for power line communication are provided in a connector device 3, and a power line communication section which performs power line communication with the electromagnetic induction type signal converter is provided in an ECU. A capacitor 16, a signal wire 17, and a capacitor 16 are connected in series between AC lines 11 and 12 extending from a tubular part 32 of the connector device 3.

Abstract: A charging station performs communications by use of a superimposing/separating unit configured by connecting a capacitor, a coupling transformer and a capacitor to branch lines branching out respectively from a control cable and a grounded cable. An electric vehicle performs communications by use of a superimposing/separating unit configured by providing a coupling transformer to the control cable. A capacitor is also connected between the control cable and the grounded cable. Communications are allowed by the configuration of a closed loop circuit comprising the control cable, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the grounded cable, the capacitor, and a primary coil of the coupling transformer.

Abstract: Provided are a communication system and a communication device capable of suppressing attenuation of a communication signal superimposed upon a control pilot line. This output circuit (20) sends a control pilot signal which has been generated at a voltage generation source (21) to an input circuit (60). Between the control pilot line (4) and the ground line (3) of the output side of the output circuit (20), a communication unit (30) is connected via a transformer (31). Between the control pilot line (4) and the ground line (3) of the input side of the input circuit (60), a communication unit (70) is connected via a transformer (71). Between the output circuit (20) and the transformer (31), a lowpass filter (33) is interposed. Between the input circuit (60) and the transformer (71), a lowpass filter (73) is interposed.

Abstract: A coupling transformer 15 necessary for power line communication is provided in a connector device 3. The coupling transformer 15 is formed by winding an AC line 11 and a signal wire 13 around an annular toroidal core 15a, which is to be fitted on a tubular part 32 of the connector device 3. Cutouts for housing the AC line 11 and the signal wire 13 wound around the toroidal core 15a are formed in the tubular part 32 of the connector device 3. Further, a coil 17a is connected to the AC line 11, a capacitor 17b is connected to an AC line 12, and the coil 17a and the capacitor 17b are connected to each other with a wire 17c provided along the AC lines 11 and 12, whereby a filter circuit is formed.

Abstract: A power supply system and a connector, which can suppress occurrence of crosstalk between a power supply wire, and a control wire and an earth wire in a charging cable that includes the power supply wire, the control wire and the earth wire at the time of connecting a power supplying device with a vehicle having a power storage device to be supplied with power from the power supplying device via the power supply wire and the earth wire to be used for supplying power and the control wire for transmitting a control signal to be used for power supply control of the power storage device, are provided. The ratio of the winding number of a primary coil connected with at least one of the control wire and the earth wire to the winding number of a secondary coil connected with a communication unit that sends and receives a communication signal is set at 1/N (N>1) in a system which satisfies VnC>VnL or is set at N (N>1) in a system which satisfies VnC<VnL.

Abstract: An output circuit sends a control pilot signal generated in a voltage generator to an input circuit. A communication unit is connected between an earthed wire and a control pilot wire on the output side of the output circuit via a bandpass filter. A communication unit is connected between the earthed wire and the control pilot wire on the input side of the input circuit via a bandpass filter. A low-pass filter is interposed between the output circuit and the communication unit. A low-pass filter is interposed between the input circuit and the communication unit.

Abstract: A charging station performs communications by use of a superimposing/separating unit configured by connecting a capacitor, a coupling transformer and a capacitor to branch lines branching out respectively from a control cable and a grounded cable. An electric vehicle performs communications by use of a superimposing/separating unit configured by providing a coupling transformer to the control cable. A capacitor is also connected between the control cable and the grounded cable. Communications are allowed by the configuration of a closed loop circuit comprising the control cable, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the grounded cable, the capacitor, and a primary coil of the coupling transformer.

Abstract: This output circuit sends a control pilot signal which has been generated at a voltage generation source to an input circuit. Between the control pilot line and the ground line of the output side of the output circuit, a communication unit is connected via a transformer. Between the control pilot line and the ground line of the input side of the input circuit, a communication unit is connected via a transformer. Between the output circuit and the transformer, a lowpass filter is interposed. Between the input circuit and the transformer, a lowpass filter is interposed.

Abstract: Provided are a communication system and a communication device capable of suppressing attenuation of a communication signal superimposed upon a control pilot line. This output circuit (20) sends a control pilot signal which has been generated at a voltage generation source (21) to an input circuit (60). Between the control pilot line (4) and the ground line (3) of the output side of the output circuit (20), a communication unit (30) is connected via a transformer (31). Between the control pilot line (4) and the ground line (3) of the input side of the input circuit (60), a communication unit (70) is connected via a transformer (71). Between the output circuit (20) and the transformer (31), a lowpass filter (33) is interposed. Between the input circuit (60) and the transformer (71), a lowpass filter (73) is interposed.

Abstract: An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.

Abstract: Provided are a power line communication system, a connector device, and a power line communication device that allow downsizing of a device for power line communication in a vehicle that performs power line communication with a feeding device via a charging cable. An electromagnetic induction type signal converter and a filter necessary for power line communication are provided in a connector device 3, and a power line communication section which performs power line communication with the electromagnetic induction type signal converter is provided in an ECU. A capacitor 16, a signal wire 17, and a capacitor 16 are connected in series between AC lines 11 and 12 extending from a tubular part 32 of the connector device 3.

Abstract: A coupling transformer 15 necessary for power line communication is provided in a connector device 3. The coupling transformer 15 is formed by winding an AC line 11 and a signal wire 13 around an annular toroidal core 15a, which is to be fitted on a tubular part 32 of the connector device 3. Cutouts for housing the AC line 11 and the signal wire 13 wound around the toroidal core 15a are formed in the tubular part 32 of the connector device 3. Further, a coil 17a is connected to the AC line 11, a capacitor 17b is connected to an AC line 12, and the coil 17a and the capacitor 17b are connected to each other with a wire 17c provided along the AC lines 11 and 12, whereby a filter circuit is formed.