Power supply device

9:

• A power supply device as recited in claim 8, wherein a smoothing capacitor is connected between the first terminal positive pole of the first circuit for connecting battery device and the terminal negative pole, and a smoothing reactor is provided at an electric current passage of a connected battery device in the first circuit for connecting battery device.

10:

• A power supply device as recited in claim 8, wherein a charging device, which is used as a variable power supply device by which a DC voltage can be varied, is connected between the first terminal positive pole and the terminal negative pole.

11:

• A power supply device as recited in claim 9, wherein a charging device, which is used as a variable power supply device by which a DC voltage can be varied, is connected between the first terminal positive pole and the terminal negative pole.

13:

• A power supply device as recited in claim 12, wherein the open/close operations of the switches for connecting of the third switch circuit are controlled by the control circuit, and a plurality of required battery devices is connected in parallel between the first terminal positive pole and the terminal negative pole, and between the second terminal positive pole and the terminal negative pole.

14:

• A power supply device as recited in claim 12, wherein a smoothing capacitor is connected between the first terminal positive pole of the first circuit for connecting battery device and the terminal negative pole, and a smoothing reactor is provided at an electric current passage of a connected battery device in the first circuit for connecting battery device.

15:

• A power supply device as recited in claim 13, wherein a smoothing capacitor is connected between the first terminal positive pole of the first circuit for connecting battery device and the terminal negative pole, and a smoothing reactor is provided at an electric current passage of a connected battery device in the first circuit for connecting battery device.

16:

• A power supply device as recited in claim 12, wherein a charging device, which is used as a variable power supply device by which a DC voltage can be varied, is connected between the first terminal positive pole and the terminal negative pole.

17:

• A power supply device as recited in claim 13, wherein a charging device, which is used as a variable power supply device by which a DC voltage can be varied, is connected between the first terminal positive pole and the terminal negative pole.

18:

• A power supply device as recited in claim 8, wherein the control circuit controls to turn on the switches for connecting negative pole terminal and the first switches for connecting positive pole terminal of the first switch circuit which is corresponding to the battery devices which are connected between the first terminal positive pole and the terminal negative pole, and controls to turn off the switches for bypassing of the first switch circuit which is corresponding to the battery devices, and controls to turn off the switches for connecting negative pole terminal and the first switches for connecting positive pole terminal of the first switch circuit which is corresponding to the battery devices which are not connected between the first terminal positive pole and the terminal negative pole, and controls to turn on the switches for bypassing of the first switch circuit which is corresponding to the battery devices.

19:

• A power supply device as recited in claim 18, wherein the control circuit controls to turn on the corresponded second switch for connecting positive pole terminal of the second switch circuit and the switch for connecting, with respect to the battery devices, which are connected between the second terminal positive pole and the terminal negative pole, in which the positive pole terminal is connected to the second terminal positive pole via the second switch circuit, and
• controls so as to turn off the corresponded second switch for connecting positive pole terminal of the second switch circuit and the switch for connecting, with respect to the battery devices which are connected to the terminal negative pole, and controls to turn off the corresponded second switches for connecting positive pole terminal of the second switch circuit, with respect to the other battery devices, and controls to turn on the switches for connecting which are corresponding to the battery devices.

20:

• A power supply device as recited in claim 12, wherein the control circuit controls to turn on the switch for connecting negative pole terminal and the first switch for connecting positive pole terminal of the first switch circuit which is corresponding to one battery device, in the battery devices which are connected between the first terminal positive pole and the terminal negative pole, and controls to turn off the switch for bypassing of the first switch circuit which is corresponding to the battery device, and
• controls to turn on the switch for connecting negative pole terminal and the switch for bypassing of the first switch circuit which is corresponding to the other battery device, and controls to turn off the first switch for connecting positive pole terminal of the first switch circuit which is corresponding to the battery device, and controls to turn on the switches for connecting of the third switch circuit.