| CPC H02J 9/08 (2013.01) [H02J 3/32 (2013.01); H02J 3/381 (2013.01); H02J 9/062 (2013.01); H02J 2300/20 (2020.01)] | 16 Claims |
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1. A power supply system comprising:
a first switch module;
an uninterruptible power supply (UPS); and
one or more power consumption branches, wherein
the UPS comprises an energy storage apparatus and a power conversion branch, the power conversion branch comprising a first bidirectional inverter module and a first bidirectional converter module;
the first bidirectional converter module, via a first end, receives a first direct current directly from the energy storage apparatus and performs voltage transformation processing on the first direct current to produce a second direct current obtained through the voltage transformation;
the first bidirectional inverter module, via a first end, receives directly from a second end of the first bidirectional converter module, the second direct current and converts the second direct current into an alternating current and provides, via a third end, the alternating current directly to drive an energy conversion apparatus configured to convert non-electrical energy into electrical energy to operate;
a respective input end of the first switch module are connected to a plurality of power supply apparatuses, including the energy conversion apparatus, an output end of the first switch module is connected to an input end of the UPS, and the first switch module is switched between the plurality of power supply apparatuses to supply power to the UPS;
an output end of the UPS is connected to each of the one or more power consumption branches, and the UPS is configured to receive electric energy from the first switch module and output a first voltage to each power consumption branch;
each power consumption branch includes a first transformer module and at least one power consumption load;
an input end of the first transformer module is connected to the output end of the UPS, and the first transformer module is configured to convert the first voltage into a second voltage and then provide the second voltage to the at least one power consumption load, wherein the second voltage is less than the first voltage; and
wherein the first bidirectional inverter module receives, via a second end, a first alternating current from the output end of the UPS and converts the first alternating current into a third direct current to provide directly to the first bidirectional converter module, and converts the second direct current into a second alternating current to provide via the second end to the output end of the UPS.
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