DC backup power supply system
First Claim
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1. A DC backup power supply system for supplying DC power to a load normally receiving DC power through an AC/DC converter supplying the DC power to the load through a DC/DC converter, comprising:
- a battery;
a charge-discharge circuit; and
a control circuit, wherein the DC backup power supply system is connected to the load so as to supply the DC power to the load through the DC/DC converter.
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Abstract
A DC backup power supply system having a battery a charge-discharge circuit for charging and discharging a power between the battery and a DC line and a control circuit for controlling the charge-discharge circuit, wherein the battery has a number of battery cells and cylindrical portions of the battery cells are laid on an approximately horizontal plane.
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Citations
24 Claims
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1. A DC backup power supply system for supplying DC power to a load normally receiving DC power through an AC/DC converter supplying the DC power to the load through a DC/DC converter, comprising:
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a battery;
a charge-discharge circuit; and
a control circuit, wherein the DC backup power supply system is connected to the load so as to supply the DC power to the load through the DC/DC converter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18)
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11. A DC backup power supply system for a load normally supplied by AC, comprising:
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a battery;
a charge discharge circuit and a control circuit for controlling said charge-discharge circuit;
wherein said battery has a number of battery cells, cylindrical portions of the battery cells being laid on an approximately horizontal plane;
wherein at least one DC backup power supply system is provided; and
wherein the at least one DC backup power supply system has electric hot swap connections using connectors and cables which enable replacement of the at least one DC backup power supply system while the load is operational by supply of the AC. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification