Patent ID: 11955838
Assignee: EATON INTELLIGENT POWER LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 7:
8. A system comprising:
an ATS having a first input coupled to an AC power source;
a UPS having an input coupled to an output of the ATS and an output coupled to a load;
a DC bus;
a DC power source coupled to the DC bus;
an energy storage device;
a first converter coupled to the DC bus and a second input of the ATS and configured to provide power to the second input of the ATS from the DC power source, wherein the ATS is configured to selectively provide power from the first converter and the AC power source to the input of the UPS;
a second converter coupled to the energy storage device and the DC bus and configured to transfer energy between the DC bus and the energy storage device to regulate a voltage on the DC bus; and
a third converter coupled to the DC bus and to the output of the UPS.