| 摘要 |
According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS and a second UPS, the method comprising coupling at least one control line between the first UPS and the second UPS to operate the first UPS and the second UPS in a parallel mode of operation, providing output power from each of the first UPS and the second UPS to a load, detecting a fault condition in the UPS system, decoupling the at least one control line, operating the first UPS in a diagnostic mode of operation, and determining if the fault condition is associated with the first UPS. |
