Zero net energy DC datacenter power distribution architecture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-003/38
H02M-007/04
H02J-005/00
H02J-001/10
H02J-004/00
출원번호
US-0836189
(2015-08-26)
등록번호
US-9929567
(2018-03-27)
발명자
/ 주소
Wang, Zhenyuan
Ahmed, Sara
Liu, Juhua
출원인 / 주소
ABB Schweiz AG
대리인 / 주소
Taft Stettinius & Hollister LLP
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
Unique systems, methods, techniques, and apparatuses of datacenter power supply systems are disclosed. One exemplary embodiment is a datacenter power supply system comprising an AC power bus structured to selectably receive AC power from an AC power grid and a AC generator and structured to provide
Unique systems, methods, techniques, and apparatuses of datacenter power supply systems are disclosed. One exemplary embodiment is a datacenter power supply system comprising an AC power bus structured to selectably receive AC power from an AC power grid and a AC generator and structured to provide AC power to one or more AC datacenter loads and an AC/DC converter, a DC power generation system structured to provide DC power to a DC/DC converter, a DC power bus structured to selectably receive power from the AC/DC converter and the DC/DC converter and to provide DC power to a plurality of DC datacenter loads, and an electronic control system structured to selectably control the datacenter power supply system to operate in plurality of modes.
대표청구항▼
1. A datacenter power supply system comprising: an AC power bus structured to selectably receive AC power from an AC power grid and a AC generator and structured to provide AC power to one or more AC datacenter loads and an AC/DC converter;a DC power generation system structured to provide DC power
1. A datacenter power supply system comprising: an AC power bus structured to selectably receive AC power from an AC power grid and a AC generator and structured to provide AC power to one or more AC datacenter loads and an AC/DC converter;a DC power generation system structured to provide DC power to a DC/DC converter;a DC power bus structured to selectably receive power from the AC/DC converter and the DC/DC converter and to provide DC power to a plurality of DC datacenter loads; andan electronic control system structured to selectably control the datacenter power supply system to operate in plurality of modes including a first mode in which the one or more AC datacenter loads are powered by one of the AC power grid and the AC generator and the plurality of DC datacenter loads are powered by the DC power generation system, a second mode in which the one or more AC datacenter loads and the plurality of DC datacenter loads are powered by one of the AC power grid and the AC generator, and a third mode in which the one or more AC datacenter loads and the plurality of DC datacenter loads are powered by the DC power generation system. 2. The datacenter power supply system of claim 1 wherein the DC power generation system comprises: a plurality of photovoltaic generation units;a photovoltaic bus operatively coupled with the plurality of photovoltaic generation units and the DC/DC converter; anda second converter including a DC link operatively coupled with the photovoltaic bus, a first output operatively coupled with the AC power bus, and a second output operatively coupled with an energy storage device. 3. The datacenter power supply system of claim 2 wherein the energy storage device comprises one of an electric machine coupled with a flywheel, a battery, and a supercapacitor. 4. The datacenter power supply system of claim 2 wherein the electronic control system is structured to control the datacenter power supply system to selectably supply power from the AC bus or the DC power generation system to the energy storage device or to selectably supply power from the energy storage device to the AC bus or the photovoltaic bus. 5. The datacenter power supply system of claim 2 wherein the electronic control system is structured to route power from the energy storage device to one of the photovoltaic bus and the AC bus during a transition from at least one of the first mode, the second mode and the third mode to another of the first mode, the second mode and the third mode. 6. The datacenter power supply system of claim 1 wherein the DC power generation system comprises a plurality of fuel cells structured to output DC power to the DC/DC converter. 7. The datacenter power supply system of claim 6 wherein the electronic control system is structured to control the datacenter power supply system to selectably supply power from the plurality of fuel cells to one of the DC power bus alone and a combination of the DC power bus and the AC power bus. 8. The datacenter power supply system of claim 1 wherein the DC power generation system comprises: a DC power source;a second DC power bus operatively coupled with the DC power source and the DC/DC converter; anda second converter operatively coupled with the second DC power bus and including a first output operatively coupled with the AC power bus, and a second output operatively coupled with an energy storage device. 9. The datacenter power supply system of claim 8 wherein the energy storage device comprises one of an electric machine coupled with a flywheel, a battery and a supercapacitor and the DC power source comprises one of plurality of photovoltaic generation units and a plurality of fuel cells. 10. A power supply system comprising: an AC power bus coupled to a utility grid;a DC power bus coupled to a DC power source;a DC power distribution subsystem coupled to the AC power bus and the DC power bus and structured to supply DC power to a plurality of loads;a power converter coupled to the AC power bus and the DC power bus and structured to selectably receive power from the AC power bus, supply power to the AC power bus, receive power from the DC power bus, and supply power to the DC power bus;an energy storage device coupled to the power converter; andan electronic control system structured to control the transfer of power between the energy storage device, the AC power bus, and the DC power bus,wherein the electronic control system is structured to transfer power generated by the DC power source to the utility grid by way of the DC power bus, the power converter, and the AC power bus. 11. The system of claim 10 further comprising an electrical generator coupled to the AC power bus. 12. The system of claim 10 wherein the energy storage device comprises at least one of a rotary device structured to store rotational kinetic energy, an ultracapacitor, and a battery bank. 13. The system of claim 10 wherein the electronic control system is structured to transfer power from the energy storage device to the DC power bus in response to a drop in voltage across the DC power bus and to transfer power from the energy storage device to the AC power bus in response to a change in current frequency. 14. The system of claim 10 wherein the DC power distribution subsystem is structured to provide DC power to a plurality of computers in a datacenter and is coupled to the AC power bus by way of a rectifier. 15. A method comprising: operating a datacenter power supply system including an AC power bus coupled to a utility grid, one or more AC loads coupled with the AC power bus, a DC power bus coupled to a dedicated DC power source, a DC power distribution system structured to supply DC power to a plurality of DC loads, the DC power distribution system coupled to the DC power bus and coupled to the AC power bus by an AC/DC converter, and a controller in operative communication with a plurality of devices structured to selectably connect and disconnect the DC power distribution system with the AC power bus and the DC power bus;operating the controller to control the system in a first mode based upon evaluation of one or more first mode criteria, wherein the first mode powers the one or more AC loads with power from the AC power bus and powers the plurality of DC loads with power from the DC power bus;operating the controller to control the system in a second mode based upon evaluation of one or more second mode criteria, wherein the second mode powers the one or more AC loads and the plurality of DC loads with power from the AC power bus; andoperating the controller to control the system in a third mode based upon evaluation of one or more third mode criteria, wherein the third mode powers the one or more AC loads and the plurality of DC loads with power from the DC power buswherein the one or more first mode criteria, the one or mode second mode criteria and the one or mode third mode criteria are selected to minimize consumption by the system of power from the utility grid while also providing substantially uninterrupted power to the one or more AC loads and the plurality of DC loads. 16. The method of claim 15 further comprising operating the controller to selectably connect and disconnect an energy storage system with the AC power bus or the DC power bus to supply power from the energy storage system to the AC power bus or the DC power bus, or to receive and store power at the energy storage system from the AC power bus or the DC power bus. 17. The method of claim 16 further comprising selectably operating the controller to supply power from the energy storage system to the AC power bus to offset a voltage drop associated with the AC power bus. 18. The method of claim 16 further comprising selectably operating the controller to supply power from the energy storage system to the DC power bus to offset a voltage drop associated with the DC power bus. 19. The method of claim 15 further comprising selectably operating the controller to supply power from one of the AC power bus and the DC power bus to the energy storage system based upon the energy storage capacity of the energy storage system.
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이 특허에 인용된 특허 (10)
Kraus,Rudy, Apparatus for providing high quality power.
Whitted, William; Sykora, Montgomery; Krieger, Ken; Jai, Benchiao; Hamburgen, William; Clidaras, Jimmy; Beaty, Donald L.; Aigner, Gerald, Data center uninterruptible power distribution architecture.
Anderson, Jason Scott; Johnson, Jr., Robert William; Navarro, George Arthur, Uninterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source.
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