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US 2024/0405586 A1Published application
Energy Storage Apparatus and Power Supply System
AssigneeHuawei Digital Power Technologies Co., Ltd.
InventorZhou Shu
Life of this patent
Estimating the term…
Abstract
An energy storage apparatus includes an energy storage unit and a conversion unit. The conversion unit may be configured to: obtain a given port voltage of the conversion unit based on running information of the energy storage unit, control a real-time port voltage of the conversion unit based on the given port voltage of the conversion unit, and control a real-time port current of the energy storage unit based on the given port voltage and the real-time port voltage of the conversion unit. The energy storage unit may be configured to be discharged or charged based on the real-time port current of the energy storage unit.
Claims20
An energy storage apparatus, comprising:
- a conversion device comprising:
- a third direct current end;
- a fourth direct current end;
- a fifth direct current end configured to couple to a power supply apparatus;
- and
- a sixth direct current end configured to couple to the power supply apparatus;
- and
- an energy storage device comprising:
- a first direct current end connected to the third direct current end;
- and
- a second direct current end connected to the fourth direct current end;
- wherein the conversion device is configured to:
- obtain a given port voltage of the conversion device based on running information of the energy storage device and a first real-time port current of the energy storage device, or based on the running information and a second real-time port current of the conversion device;
- control a real-time port voltage of the conversion device based on the given port voltage;
- and
- control the first real-time port current based on the given port voltage and the real-time port voltage,
- wherein the first real-time port current indicates a first real-time current of the first direct current end or the second direct current end,
- wherein the second real-time port current indicates a second real-time current of the fifth direct current end or the sixth direct current end,
- wherein the real-time port voltage indicates a real-time voltage between the fifth direct current end and the sixth direct current end, and
- wherein the energy storage device is configured to be discharged or charged based on the first real-time port current.
17 more elements
A power supply system, comprising:
- a power supply apparatus comprising:
- a first end;
- a second end configured to connect to a load;
- and
- a third end configured to connect to an alternating current power supply;
- and
- a plurality of energy storage apparatuses connected in parallel to each other, wherein each of the plurality of energy store apparatuses is connected to the first end, the second end, and the third end, wherein each of the plurality of energy storage apparatuses comprises:
- a conversion device comprising:
- a third direct current end;
- a fourth direct current end;
- a fifth direct current end configured to couple to the power supply apparatus;
- and
- a sixth direct current end configured to couple to the power supply apparatus;
- and
- an energy storage device comprising:
- a first direct current end connected to the third direct current end;
- and
- a second direct current end connected to the fourth direct current end,
- wherein the conversion device is configured to:
- obtain a given port voltage of the conversion device based on running information of the energy storage device and a first real-time port current of the energy storage device, or based on the running information and a second real-time port current of the conversion device;
- control a real-time port voltage of the conversion device based on the given port voltage, and
- control the first real-time port current based on the given port voltage and the real-time port voltage, wherein the first real-time port current indicates a real-time current of the first direct current end or the second direct current end, wherein the second real-time port current indicates a real-time current of the fifth direct current end or the sixth direct current end, wherein the real-time port voltage indicates a real-time voltage between the fifth direct current end and the sixth direct current end,
- wherein the energy storage device is configured to be discharged or charged based on the first real-time port current,
- wherein the power supply apparatus is configured to:
- convert the real-time port voltage into a voltage required by the load and transmit the voltage to the load;
- or
- convert an alternating current output by the alternating current power supply into a direct current, and transmit the direct current to each of the energy storage apparatuses,
- wherein the power supply apparatus is further configured to:
- convert the real-time port voltage into an alternating current voltage;
- and
- transmit the alternating current voltage to the alternating current power supply, and
- wherein each of the energy storage apparatuses is further configured to be charged based on a third real-time port current of the energy storage device and the direct current.
29 more elements
Dependencies are inferred from the claim text.