DUAL SUPPLY OF A BACKUP POWER SUPPLY
The invention relates to a power backup system comprising a multi phased energy storage and a backup supply. The energy storage comprises battery strings each capable of supplying either an AC or DC voltage to a load. During normal operation, the backup supply is configured for being supplied with a...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
06.07.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a power backup system comprising a multi phased energy storage and a backup supply. The energy storage comprises battery strings each capable of supplying either an AC or DC voltage to a load. During normal operation, the backup supply is configured for being supplied with an AC voltage from a utility grid and being connectable to a DC voltage supplying battery string of the energy storage. During abnormal operation, the backup supply is configured for, in a first period of time, being supplied from a DC output voltage established by the a first battery string and after expiration of the first period of time being supplied from the AC output voltage established by a second battery string. |
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Bibliography: | Application Number: DK2021PA70595 |