Capacitor unit with electric double layer capacitors, control method and control apparatus for the same, and accumulator system for motor vehicles
First Claim
1. A chargeable and dischargeable capacitor unit with plural electronic double layer capacitors connected in series is characterized in that an electric double layer capacitor in a higher state of charge is subject to discharge so that a state of charging of the respective electric double layer capacitor may become approximately equal to other electric double layer capacitors.
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Accused Products
Abstract
A capacitor unit with plural double layer capacitors eliminating irregularity in a state of charge of the respective double layer capacitor in the capacitor unit. A capacitor unit, a capacitor unit control method, a capacitor unit control apparatus and a vehicle charging system, wherein a chargeable and dischargeable capacitor unit 1 with plural electronic double layer capacitors 11 connected in series is characterized in that electric double layer capacitors 11 in a higher state of charge is subject to discharge so that a state of charging of the respective electric double layer capacitor 11 may become approximately equal to each other.
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Citations
9 Claims
- 1. A chargeable and dischargeable capacitor unit with plural electronic double layer capacitors connected in series is characterized in that an electric double layer capacitor in a higher state of charge is subject to discharge so that a state of charging of the respective electric double layer capacitor may become approximately equal to other electric double layer capacitors.
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7. A control method of a chargeable and dischargeable capacitor unit with plural electronic double layer capacitors connected in series is characterized in that electric double layer capacitors in a higher state of charge is subject to discharge so that a state of charging of the respective electric double layer capacitor may become approximately equal to other electric double layer capacitors.
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8. A capacitor unit control apparatus, comprising a chargeable and dischargeable capacitor unit with plural electric double layer capacitors connected in series;
- a voltmeter measuring the voltage of the respective electric double layer capacitor;
a series circuit having an adjusting resistance and an electric switch connected parallel to the respective electric double layer capacitor; and
an electric switch control device turning the electric switch on to discharge the electric double layer capacitor, wherein an electric switch for an electric double layer capacitor in a higher state of charge is turned on to discharge the same so that a state of charging of the respective electric double layer capacitor may become approximately equal to other electric double layer capacitors.
- a voltmeter measuring the voltage of the respective electric double layer capacitor;
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9. A chargeable and dischargeable capacitor system with plural electronic double layer capacitors connected in series, wherein an electric double layer capacitor in a higher state of charge is subject to discharge so that a state of charging of the respective electric double layer capacitor may become approximately equal to other electric double layer capacitors.
Specification