Output voltage control circuit device for plurality of power supply cells connected in series

An output voltage control circuit device for a plurality of power supply cells connected in series, the output voltage control circuit device comprising:

• a pair of output terminals;
• a plurality of electrode connection terminals connected to positive electrodes and negative electrodes of respective 2k+1 power supply cells, where k is a positive integer, having the positive electrodes and the negative electrodes connected in series between the output terminals;
• capacitors connected in parallel to the respective power supply cells through the corresponding electrode connection terminals between the output terminals;
• rectifying units connected in parallel to the respective power supply cells through the corresponding electrode connection terminals between the output terminals, each of the rectifying units having an anode connected to the electrode connection terminal on a negative electrode side of the power supply cell between the connected electrode connection terminals and a cathode connected to the electrode connection terminal on a positive electrode side of the power supply cell between the connected electrode connection terminals, and each of the rectifying units being configured to permit a flow of a current solely in a direction from the anode to the cathode in the rectifying unit;
• voltage generation units connected between the electrode connection terminals connected to a negative electrode side of odd-numbered power supply cells counted from the negative electrode side among the power supply cells and the anodes of the rectifying units corresponding to the odd-numbered power supply cells, each of the voltage generation units being configured such that a current is able to flow in both directions between both ends of the voltage generation unit, and to generate a voltage, which is cyclically inverted, between both ends;
• a voltage control circuit unit having a circuit line connected in parallel to a first voltage generation unit of the voltage generation units connected between the negative electrode of a first power supply cell counted from the negative electrode side among the power supply cells and the anode of the rectifying unit corresponding to the power supply cell, the voltage control circuit unit being configured to generate a voltage between both ends of the first voltage generation unit;
• and
• voltage holding capacitors connected in parallel between the circuit line and the cathode of the rectifying unit corresponding to the first power supply cell counted from the negative electrode side of the power supply cells among the rectifying units, between the anode of the rectifying unit corresponding to a 2j-th, where j is an integer of 1 to k, power supply cell counted from the negative electrode side of the power supply cells among the rectifying units and the cathode of the rectifying unit corresponding to a (2j+1)th power supply cell counted from the negative electrode side, and between the anode of the rectifying unit corresponding to a (2j−1)th power supply cell counted from the negative electrode side of the power supply cells among the rectifying units and the cathode of the rectifying unit corresponding to the 2j-th power supply cell,
• wherein the voltage control circuit unit is configured to generate a voltage, which has a magnitude discretionarily set and a direction of which is cyclically inverted, between both ends of the first voltage generation unit.