CN204243874U - A kind of data center high-voltage direct current (DC) power system - Google Patents
A kind of data center high-voltage direct current (DC) power system Download PDFInfo
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- CN204243874U CN204243874U CN201420418874.4U CN201420418874U CN204243874U CN 204243874 U CN204243874 U CN 204243874U CN 201420418874 U CN201420418874 U CN 201420418874U CN 204243874 U CN204243874 U CN 204243874U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model discloses a kind of data center high-voltage direct current (DC) power system, comprise civil power, diesel engine generator, solar cell, solar converter, rectifier, storage battery, power distribution cabinet, two-way diverter switch, single-way switch.The input of bidirectional switch connects civil power, diesel engine generator, and output is connected with rectifier AC, and rectifier DC side is connected to power distribution cabinet; Solar cell is connected with solar cell with to solar converter input, and output is connected with power distribution cabinet by single-way switch; Accumulator output end is connected to the input of power distribution cabinet by single-way switch; The output of power distribution cabinet connects with machine room load refrigeration equipment, information technoloy equipment, illumination office equipment respectively.Benefit of the present utility model is: data center adopts high-voltage direct current (DC) power system to decrease the inverter link of regular alternating current ups power system, reduces the energy consumption of system; Introduce solar power system, be conducive to the construction of green data center.
Description
Technical field
The utility model belongs to data center's power supply technique field, particularly, relates to a kind of data center high-voltage direct current (DC) power system.
Background technology
Under the explosive growth of data traffic requirement and the common promotion developed rapidly of IT technology, data center enters fast development period in this century, and meanwhile the energy consumption problem of data center also more and more cannot be ignored along with its development becomes.According to the statistics of EPA, turn over some between the energy consumption 2000-2005 of global data center server, within 2010, increased 75% again.At present, the energy consumption of data center has accounted for 23% of whole the Internet energy consumption, and the speed that this ratio increases is also in continuous quickening.Result of study shows: in the consumption of data center that domestic majority is built, the first big power consumer is air-conditioning refrigeration system, accounts for about 45% of total power consumption; Second energy consumption rich and influential family is the information technoloy equipment system be made up of server, memory device and network communication equipment etc., accounts for about 30% of total power consumption needed for data center machine room; 3rd energy consumption rich and influential family is UPS and power supply unit, accounts for about 24% of total power consumption.The power-supply system at visual data center is one of mainly energy-conservation approach.
Current data center often adopts electric main and UPS as electric power system, and exactly when civil power normally inputs, UPS provides high-quality AC power by rectification, inversion for load, and its rectifying part is charged to batteries simultaneously; When commercial power interruption (accident interruption) or input fault, discharged by UPS batteries, be continuously load by Converting Unit and high-quality AC power is provided, make load maintain normal work.In this UPS electric power system, the energy twice conversion reduces efficiency, system complexity improves acquisition cost and operating cost, current harmonics existence add filter apparatus, input power factor lowly reduce system installed capacity utilance.
Utility model content
The purpose of this utility model is the high-voltage direct current (DC) power system providing a kind of data center, to reduce the conversion links of the energy, reduces the energy consumption of power-supply system, improves renewable energy utilization rate simultaneously, be conducive to the foundation of green data center.
For solving the problem, the technical solution adopted in the utility model is, a kind of data center high-voltage direct current (DC) power system, comprises civil power, diesel engine generator, solar panel, photovoltaic DC/DC current transformer, AC/DC rectifier, storage battery, DC power distribution cabinet, two-way diverter switch S1, single-way switch S2, single-way switch S3.City is electrically connected to a end of switch S 1, and diesel engine generator is connected to the b end of switch S 2, and the c end of S1 is selected to connect with a or b according to civil power situation; The c end of switch S 1 is connected to the interchange end of AC/DC rectifier by cable, rectifier DC end is connected to the input of power distribution cabinet by cable; The output of solar panel is connected to the input side of DC/DC current transformer by cable, the other end that the output of DC/DC current transformer is connected to switch S 2, S2 connects with power distribution cabinet input; Storage battery is connected to the input of power distribution cabinet by switch S 3; AC/DC rectifier output end, switch S 2, switch S 3 are connected to a bit in power distribution cabinet; The output of power distribution cabinet connects with machine room load refrigeration equipment, information technoloy equipment, illumination office equipment respectively.
Further, described diesel engine generator is auto-excitation type synchronous alternator or permanent-magnet-field formula synchronous alternator, and comprises the control system of diesel engine generator; Described civil power is single-phase or three-phase alternating-current supply; Described diesel engine generator output voltage will be consistent with line voltage, and error will control in allowed limits.
Described rectifier AC/DC is fully-controlled type rectifier, and exchanging input side rated voltage is line voltage, exports rated direct voltage consistent with photovoltaic DC/DC current transformer outlet side voltage.
Described solar module can select monocrystalline silicon, polysilicon or film battery assembly, and solar module selects suitable capacity according to voltage and power requirement, is connected in series or parallel, and comprises the necessary control appliance of conventional solar power system; Described DC/DC current transformer input voltage grade is consistent with the output of solar module, and its output is consistent with AC/DC rectifier output voltage, and its power will be selected according to the generated output of solar module.
Described storage battery selects lead-acid battery or lithium ion battery, after serial battery, the grade of voltage is consistent with the output voltage grade of AC/DC rectifier, battery capacity is selected according to data center loading condition, without possessing the electric power support providing and be no less than 1 hour during external power.
Described power distribution cabinet is DC power distribution cabinet, for switch S 2, switch S 3 and rectifier DC side provide tie point, provides the connectivity port of different loads power branch simultaneously.
Described refrigeration plant, information technoloy equipment and illumination office equipment, need the input port with DC power supply, or normally can run in DC power supply situation.
The utility model provides a kind of data center high-voltage direct current (DC) power system, and its beneficial effect is: compare with interchange ups power system, decrease DC/AC inverter link, reduce energy consumption; Be conducive to the access of the direct current distributed energies such as solar energy, reduce cost of access, do not exist and exchange grid-connected stationary problem; Introduce the distributed solar energy, improve the power supply reliability of system, be conducive to the construction of green data center.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of data center of the utility model high-voltage direct current (DC) power system, comprises civil power, diesel engine generator, solar panel, photovoltaic DC/DC current transformer, AC/DC rectifier, storage battery, DC power distribution cabinet, two-way diverter switch S1, single-way switch S2, single-way switch S3.City is electrically connected to a end of switch S 1, and diesel engine generator is connected to the b end of switch S 2, and the c end of S1 is selected to connect with a or b according to civil power situation; The c end of switch S 1 is connected to the interchange end of AC/DC rectifier by cable, rectifier DC end is connected to the input of power distribution cabinet by cable; The output of solar panel is connected to the input side of DC/DC current transformer by cable, the other end that the output of DC/DC current transformer is connected to switch S 2, S2 connects with power distribution cabinet input; Storage battery is connected to the input of power distribution cabinet by switch S 3; AC/DC rectifier output end, switch S 2, switch S 3 are connected to a bit in power distribution cabinet; The output of power distribution cabinet connects with machine room load refrigeration equipment, information technoloy equipment, illumination office equipment respectively.
Further, described diesel engine generator is auto-excitation type synchronous alternator or permanent-magnet-field formula synchronous alternator, and comprises the control system of diesel engine generator; Described civil power is single-phase or three-phase alternating-current supply; Described diesel engine generator output voltage will be consistent with line voltage, and error will control in allowed limits.
Described rectifier AC/DC is fully-controlled type rectifier, and its AC-input voltage is line voltage, and its DC side rated voltage is consistent with the output voltage of photovoltaic DC/DC current transformer.
Described solar module can select monocrystalline silicon, polysilicon or film battery assembly, and solar module selects suitable capacity according to voltage and power requirement, is connected in series or parallel, and comprises the necessary control appliance of conventional solar power system; Described DC/DC current transformer input voltage grade is consistent with the output of solar module, and its output is consistent with AC/DC rectifier output voltage, and its power will be selected according to the generated output of solar module.
Described storage battery selects lead-acid battery or lithium ion battery, after serial battery, the grade of voltage is consistent with the output voltage grade of AC/DC rectifier, battery capacity is selected according to data center loading condition, without possessing the electric power support providing and be no less than 1 hour during external power.
Described power distribution cabinet is DC power distribution cabinet, for switch S 2, switch S 3 and rectifier DC side provide tie point, provides the connectivity port of different loads power branch simultaneously.
Described refrigeration plant, information technoloy equipment and illumination office equipment, need the input port with DC power supply, or normally can run in DC power supply situation.
The course of work of this example: above-mentioned all parts forms in fact data center's high-voltage direct current (DC) power system, in the sufficient situation of solar power generation, switch S 1 disconnects, the direct current that solar module exports is converted into galvanic current source through DC/DC current transformer, for load supplying, it is charge in batteries simultaneously; When solar power generation is not enough, the c end of switch S 1 is connected to civil power, and civil power converts alternating current to galvanic current through AC/DC rectifier, and power to the load after the direct current sent with solar energy at power distribution cabinet converges, be charge in batteries simultaneously; Under solar power generation deficiency and municipal power failure situation, first provide direct current energy by storage battery to load, start diesel engine generator simultaneously, the c of switch S 1 end is connected to diesel engine generator, powered to the load together with storage battery by diesel engine generator, under running to city power recovery or the sufficient situation of solar power generation always.
Advantage of the present utility model: data center's high-voltage direct current (DC) power system decreases the required DC/AC inverter link of traditional interchange ups power system, reduces the energy consumption of system; Adopt direct current transportation mode to be conducive to the access of solar power system, do not exist and exchange grid-connected stationary problem; Introduce solar power system, improve the power supply reliability of system, be conducive to the construction of green data center.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection range; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or equivalently to replace, does not all depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. data center's high-voltage direct current (DC) power system, comprises civil power, diesel engine generator, solar panel, photovoltaic DC/DC current transformer, AC/DC rectifier, storage battery, DC power distribution cabinet, two-way diverter switch S1, single-way switch S2, single-way switch S3; City is electrically connected to a end of switch S 1, and diesel engine generator is connected to the b end of switch S 2, and the c end of S1 is selected to connect with a or b according to civil power situation; The c end of switch S 1 is connected to the interchange end of AC/DC rectifier by cable, rectifier DC end is connected to the input of power distribution cabinet by cable; The output of solar panel is connected to the input side of photovoltaic DC/DC current transformer by cable, the other end that the output of DC/DC current transformer is connected to switch S 2, S2 connects with power distribution cabinet input; Storage battery is connected to the input of power distribution cabinet by switch S 3; AC/DC rectifier output end, switch S 2, switch S 3 are connected to a bit in power distribution cabinet; The output of power distribution cabinet connects with machine room load refrigeration equipment, information technoloy equipment, illumination office equipment respectively.
2. data center according to claim 1 high-voltage direct current (DC) power system, is characterized in that: described diesel engine generator is auto-excitation type synchronous alternator or permanent-magnet-field formula synchronous alternator, and comprises the control system of diesel engine generator; Described diesel engine generator output voltage will be consistent with line voltage.
3. data center according to claim 1 high-voltage direct current (DC) power system, it is characterized in that: described AC/DC is fully-controlled type rectifier, exchanging input side rated voltage is line voltage, exports rated direct voltage consistent with photovoltaic DC/DC current transformer outlet side voltage; Described photovoltaic DC/DC current transformer can be chosen as boosting, step-down or voltage stabilizing current transformer according to solar module voltage and AC/DC rectifier DC side voltage.
4. data center according to claim 1 high-voltage direct current (DC) power system, is characterized in that: described solar module can select monocrystalline silicon, polysilicon or film battery assembly.
5. data center according to claim 1 high-voltage direct current (DC) power system, it is characterized in that: described storage battery selects lead-acid battery or lithium ion battery, after serial battery, the grade of voltage is consistent with the output voltage grade of AC/DC rectifier, battery capacity is selected according to data center loading condition, without possessing the electric power support providing and be no less than 1 hour during external power.
6. data center according to claim 1 high-voltage direct current (DC) power system, it is characterized in that: described power distribution cabinet is DC power distribution cabinet, for switch S 2, switch S 3 and AC/DC rectifier DC side provide tie point, provide the connectivity port of different loads power branch simultaneously.
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| CN201420418874.4U CN204243874U (en) | 2014-07-29 | 2014-07-29 | A kind of data center high-voltage direct current (DC) power system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490379A (en) * | 2016-01-21 | 2016-04-13 | 上海科泰电源股份有限公司 | High-voltage DC diesel generator set used for communication base station |
| CN105762926A (en) * | 2016-05-10 | 2016-07-13 | 天津惠普数据中心设计工程有限公司 | Combined power distribution system for data center |
| CN106410955A (en) * | 2016-10-28 | 2017-02-15 | 北京航天控制仪器研究所 | Uninterruptible power supply circuit used for gravity measurement |
| CN107276212A (en) * | 2017-07-03 | 2017-10-20 | 国网山东省电力公司莱芜供电公司 | The computer room electric power system and computer room management system of based superconductive energy storage |
| CN109149762A (en) * | 2016-07-28 | 2019-01-04 | 张丽蓉 | A kind of novel spare emergent power source |
| CN109936127A (en) * | 2019-04-23 | 2019-06-25 | 北京百度网讯科技有限公司 | Distribution method, device, equipment and the system of data center |
| CN111064194A (en) * | 2020-01-08 | 2020-04-24 | 成都天通电子科技有限公司 | High-reliability mobile variable-frequency power generation hybrid energy system |
| CN112106051A (en) * | 2018-01-11 | 2020-12-18 | 兰西姆有限责任公司 | Method and system for dynamic power delivery to a flexible data center using unutilized energy sources |
| CN112467869A (en) * | 2020-12-04 | 2021-03-09 | 中天通信技术有限公司 | Power supply system and power supply method |
| CN113595225A (en) * | 2021-06-23 | 2021-11-02 | 杭州中恒电气股份有限公司 | Intelligent power supply system and method |
| CN115037027A (en) * | 2021-03-05 | 2022-09-09 | 本田技研工业株式会社 | Power supply connecting device |
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2014
- 2014-07-29 CN CN201420418874.4U patent/CN204243874U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490379A (en) * | 2016-01-21 | 2016-04-13 | 上海科泰电源股份有限公司 | High-voltage DC diesel generator set used for communication base station |
| CN105762926A (en) * | 2016-05-10 | 2016-07-13 | 天津惠普数据中心设计工程有限公司 | Combined power distribution system for data center |
| CN109149762A (en) * | 2016-07-28 | 2019-01-04 | 张丽蓉 | A kind of novel spare emergent power source |
| CN106410955A (en) * | 2016-10-28 | 2017-02-15 | 北京航天控制仪器研究所 | Uninterruptible power supply circuit used for gravity measurement |
| CN106410955B (en) * | 2016-10-28 | 2019-03-22 | 北京航天控制仪器研究所 | One kind being used for gravimetric uninterrupted power supply circuit |
| CN107276212A (en) * | 2017-07-03 | 2017-10-20 | 国网山东省电力公司莱芜供电公司 | The computer room electric power system and computer room management system of based superconductive energy storage |
| CN112106051A (en) * | 2018-01-11 | 2020-12-18 | 兰西姆有限责任公司 | Method and system for dynamic power delivery to a flexible data center using unutilized energy sources |
| CN109936127A (en) * | 2019-04-23 | 2019-06-25 | 北京百度网讯科技有限公司 | Distribution method, device, equipment and the system of data center |
| CN111064194A (en) * | 2020-01-08 | 2020-04-24 | 成都天通电子科技有限公司 | High-reliability mobile variable-frequency power generation hybrid energy system |
| CN112467869A (en) * | 2020-12-04 | 2021-03-09 | 中天通信技术有限公司 | Power supply system and power supply method |
| CN115037027A (en) * | 2021-03-05 | 2022-09-09 | 本田技研工业株式会社 | Power supply connecting device |
| CN113595225A (en) * | 2021-06-23 | 2021-11-02 | 杭州中恒电气股份有限公司 | Intelligent power supply system and method |
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Effective date of registration: 20210112 Address after: 100176 Building 1, yard 1, Shuangyang Road, Beijing Economic and Technological Development Zone, Beijing Patentee after: BEIJING JIUZHOU HENGSHENG ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 100020 9th floor, block AB, Yuanyang Guanghua international, No.10, Jintong West Road, Chaoyang District, Beijing Patentee before: JIUZHOU IND HOLDINGS GROUP Co.,Ltd. |
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