| 摘要 |
A composite backup-type power supply system can be configured and assembled to become a small backup-type power supply system or a large backup-type power supply system according to actual requirements. In a condition of a lower loading requirement, one power supply unit consisting of M+P sets of power supply devices can be selected to connect to a main power panel to form the small backup-type power supply system. When the load increases, extra N sets of power supply units each consisting of M+P sets of power supply devices can be added, and N+ 1 sets of power supply units are connected to the main power panel so that all the base power supply devices and backup power supply devices can be integrated to form the large backup-type power supply system.
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