CN215772664U - Power distribution system - Google Patents

Power distribution system Download PDF

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Publication number
CN215772664U
CN215772664U CN202121315035.6U CN202121315035U CN215772664U CN 215772664 U CN215772664 U CN 215772664U CN 202121315035 U CN202121315035 U CN 202121315035U CN 215772664 U CN215772664 U CN 215772664U
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China
Prior art keywords
bus
power supply
section
power
port
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CN202121315035.6U
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Chinese (zh)
Inventor
郑亚轩
李志军
聂武兵
叶宏伟
孙海洋
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Shenzhen Qianhai Energy Technology Development Co ltd
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Shenzhen Qianhai Energy Technology Development Co ltd
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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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/248—UPS systems or standby or emergency generators

Abstract

The application discloses distribution system, including power supply inlet wire, data center system, cooling station system and contact bus, wherein, the data center system links to each other with the power supply inlet wire, and cooling station system links to each other with the power supply inlet wire, and the contact bus links to each other data center system and cooling station system. The power distribution system can combine the power supply system of the data center system with the power supply system of the cold supply station system, saves cost and avoids waste of redundant electric quantity.

Description

Power distribution system
Technical Field
The application relates to the technical field of power distribution, in particular to a power distribution system
Background
On the one hand, regional cooling of the cooling station is greatly popularized in developed domestic areas and developed countries in Europe and America by virtue of the unique advantages of the regional cooling, and is widely applied. On the other hand, with the deep application of new technologies such as big data, cloud computing, internet of things and the like, the construction of data centers is also in the rapid development stage from the gradual rise in China. However, when the cooling station is in a non-cooling season, the load rate of the transformer of the cooling station is greatly reduced, and electric quantity redundancy exists, so that huge waste is caused.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, the power distribution system can combine a power supply system of a data center system with a power supply system of a cold supply station system, saves cost and avoids waste of redundant electric quantity.
A power distribution system according to some embodiments of the present application, comprising:
feeding power;
the data center system is connected with the power supply inlet wire;
the cold supply station system is connected with the power supply inlet wire;
a tie bus connecting the data center system and the cooling station system.
According to the power distribution system of the embodiment of the application, at least the following beneficial effects are achieved: the cooling station system and the data center system are combined through the contact bus, redundant power generated by the cooling station system in non-cooling seasons is output to the data center system, waste of the redundant power can be avoided, and electricity cost of the data center system can be reduced.
According to some embodiments of the present application, the data center system comprises:
a first power distribution cabinet;
a high temperature water chilling unit;
the second bus section is connected with the power supply inlet wire, and the other end of the second bus section is connected with the first end of the interconnection bus;
the bus III section is connected with the bus II section;
a first port of the first power distribution cabinet is connected with the bus III section, and a second port of the first power distribution cabinet is connected with the high-temperature water chilling unit;
the cold supply station system includes:
a cold supply station;
a second power distribution cabinet;
the bus IV section is connected with the power supply inlet wire and the cold supply station;
and a first port of the second power distribution cabinet is connected with the IV section of the bus, and a second port of the second power distribution cabinet is connected with a second end of the interconnection bus.
According to some embodiments of the present application, the data center system further comprises:
a bus I section;
a first port of the third power distribution cabinet is connected with the I section of the bus, a second port of the third power distribution cabinet is connected with the III section of the bus, and a third port of the third power distribution cabinet is connected with the high-temperature water chilling unit;
the power supply inlet wire comprises:
a first power supply inlet wire, wherein a first port of the first power supply inlet wire is connected with the second section of the bus, and a second port of the first power supply inlet wire is connected with the IV section of the bus;
and a first port of the second power supply inlet wire is connected with the I section of the bus.
According to some embodiments of the present application, the cold supply station system further comprises:
a fourth power distribution cabinet;
the bus V section is connected with a second port of the second power supply incoming line phase;
and a first port of the fourth power distribution cabinet is connected with the bus V section, and a second port of the third power distribution cabinet is connected with the bus IV section.
According to some embodiments of the present application, the data center system further comprises:
a generator set;
the first input end of the first change-over switch is connected with the first port of the second power supply inlet wire, the second input end of the first change-over switch is connected with the generator set, and the output end of the first change-over switch is connected with the I section of the bus.
According to some embodiments of the present application, the data center system further comprises:
the first input end of the second change-over switch is connected with the generator set, the second input end of the second change-over switch is connected with the second section of the bus, and the output end of the second change-over switch is connected with the third section of the bus.
According to some embodiments of the present application, the power distribution system further comprises:
a backup power supply unit, the backup power supply unit with I section of bus and III section of bus link to each other, the backup power supply unit is configured as: when the power supply power of the power supply inlet wire is larger than or equal to the service power of the data center system, the standby power supply unit is in a power supply state, and when the power supply power of the power supply inlet wire is smaller than the service power of the data center system, the standby power supply unit is in a charging state.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
FIG. 1 is a block diagram of modules of an embodiment of the present application;
FIG. 2 is a circuit diagram of a data center system according to an embodiment of the present application;
fig. 3 is a circuit diagram of a cooling station system according to an embodiment of the present application.
Reference numerals: 100. feeding power; 110. a first power supply inlet wire; 120. a second power supply inlet wire; 200. a data center system; 210. a first power distribution cabinet; 220. a high temperature water chilling unit; 230. a bus II section; 240. a bus III section; 250. a bus I section; 260. a third power distribution cabinet; 270. a generator set; 281. a first changeover switch; 282. a second transfer switch; 290. a standby power supply unit; 300. a cold supply station system; 310. a cold supply station; 320. a second power distribution cabinet; 330. a bus IV section; 340. a fourth power distribution cabinet; 350. a bus V section; 400. a tie bus; 500. a transformer.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, some embodiments of the present application propose an electrical distribution system comprising a power supply inlet line 100, a data center system 200, a cold supply station system 300 and a tie bus 400. Wherein, data center system 200 and cooling station system 300 all link to each other with power inlet wire 100, and cooling station system 300 and data center system 200 link to each other through contact bus 400.
The power distribution system of the embodiment of the application combines the cooling station system 300 and the data center system 200 through the contact bus 400, outputs the redundant power generated by the cooling station system 300 in the non-cooling season to the data center system 200, can avoid the waste of the redundant power, and can reduce the electricity cost of the data center system 200.
Referring to fig. 1, 2, and 3 together, specifically, the load factor of the transformer 500 of the cooling station system 300 in the non-cooling season is generally below 40%, and there is a lot of power redundancy, and the power supply incoming line 100 comes from the power supply line of the power grid, and the voltage is generally 20KV, and it needs to be stepped down many times before use. The power supply incoming line 100 is stepped down to 10KV by the transformer 500 and then connected to the cooling station system 300, and is stepped down to 10KV by the transformer 500 and then connected to the data center system 200. When the cooling station system is in a non-cooling season, a part of redundant power after the voltage reduction of the transformer 500 is connected into the data center system 200 through the contact bus 400, so that the waste of the redundant power of the cooling station system 300 can be avoided, the electricity cost of the data center system 200 can be reduced, the load rate of the transformer 500 is increased, and the economic benefit is improved.
In some embodiments of the present application, the data center system 200 includes a first power distribution cabinet 210, a high temperature chiller 220, a second bus 230 and a third bus 240, where the second bus 230 is connected to the power supply incoming line 100, the other end of the second bus 230 is connected to a first end of the interconnection bus 400, and the third bus 240 is connected to the second bus 230; the first port of the first power distribution cabinet 210 is connected to the bus bar iii section 240, and the second port of the first power distribution cabinet 210 is connected to the high-temperature water chilling unit 220. The cold station system 300 includes: a cold supply station 310, a second power distribution cabinet 320 and a bus IV section 330; the IV bus section 330 is connected with the power supply inlet wire 100, and the IV bus section 330 is connected with the cooling station 310; the first port of the second switch 320 is connected to the iv section of bus 330 and the second port of the second switch 320 is connected to the second end of the tie bus 400.
In this embodiment, the power in the power supply incoming line 100 is stepped down by the transformer 500 and then is connected to the iv bus section 330, the iv bus section 330 is connected to the first port of the second power distribution cabinet 320, the second port of the second power distribution cabinet 320 is connected to the second end of the interconnection bus 400, the first end of the interconnection bus 400 is connected to the second bus section 230, and then the redundant power after the voltage reduction by the transformer 500 is transmitted to the high-temperature chiller unit 220 through the second bus section 230, the third bus section 240 and the first power distribution cabinet 210. Through such setting, not only can avoid the waste of the redundant electric power of cooling station system 300, can also reduce data center system 200's charges of electricity cost, increased the load factor of cooling station's transformer 500, improved economic benefits.
In some embodiments of the present application, the data center system 200 further includes a first bus bar segment 250 and a third power distribution cabinet 260, a first port of the third power distribution cabinet 260 is connected to the first bus bar segment 250, a second port of the third power distribution cabinet 260 is connected to a third bus bar segment 240, and a third port of the third power distribution cabinet 260 is connected to the high temperature chiller 220. The power supply incoming line 100 comprises a first power supply incoming line 110 and a second power supply incoming line 120, wherein a first port of the first power supply incoming line 110 is connected with a second section 230 of the bus, a second port of the first power supply incoming line 110 is connected with a fourth section 330 of the bus, and a first port of the second power supply incoming line 120 is connected with a first section 250 of the bus.
The two power supply inlet wires 100 can enhance the stability of power supply of the data center system 200, and when one of the two power supply inlet wires has a problem, the other power supply inlet wire can also take over the task of power supply.
In some embodiments of the present application, the cold supply station system 300 further comprises: a fourth switch board 340 and a busbar v section 350, the busbar v section 350 being connected to the second port of the second power supply inlet wire 120.
The two power supply inlet wires 100 can enhance the stability of the power supply of the cold supply station system 300, and when one of the cold supply station system has a problem, the other cold supply station system can also take over the task of power supply.
In some embodiments of the present application, the data center system 200 further includes a generator set 270 and a first switch 281, a first input of the first switch 281 is connected to the first port of the second power inlet line 120, a second input of the first switch 281 is connected to the generator set 270, and an output of the first switch 281 is connected to the bus bar i section 250.
In one embodiment, the first Transfer switch 281 is an Automatic Transfer Switching (ATSE) switch capable of Switching one or more load circuits from one power source to another.
By adding the generator set 270, the stability of power supply of the data center system 200 can be ensured under the condition that the power supply power cannot meet the requirement of the data center system 200.
In some embodiments of the present application, the data center system 200 further comprises: and a second change-over switch 282, a first input end of the second change-over switch 282 is connected with the generator set 270, a second input end of the second change-over switch 282 is connected with the second section 230 of the bus bar, and an output end of the second change-over switch 282 is connected with the third section 240 of the bus bar.
In one embodiment, the second Transfer switch 282 is an ATSE (Automatic Transfer Switching Equipment) capable of Switching one or more load circuits from one power source to another.
By adding the generator set 270, under the condition that the power supply power cannot meet the requirement of the data center system 200, the power supply stability of the data center system 200 can be ensured, and the emergency capacity under emergency is enhanced.
In some embodiments of the present application, the power distribution system further comprises a backup power unit 290, the backup power unit 290 is connected to the first bus bar section 250 and the third bus bar section 240, and the backup power unit 290 is configured to: when the power supply power of the power supply inlet line 100 is greater than or equal to the service power of the data center system 200, the standby power supply unit 290 is in a power supply state, and when the power supply power of the power supply inlet line 100 is less than the service power of the data center system 200, the standby power supply unit 290 is in a charging state.
In one embodiment, the backup Power Supply unit 290 is a UPS (Uninterruptible Power Supply) Power Supply, and when Power input is normal, the UPS stabilizes Power and supplies the stabilized Power to a load, where the UPS is an ac voltage stabilizer and charges an internal battery; when the power is interrupted (accident power failure), the UPS immediately supplies the direct current electric energy of the battery to the load by a method of switching and converting the inverter to continuously supply alternating current to the load, so that the load keeps normal work and protects the software and hardware of the load from being damaged. UPS devices typically provide protection against either excessive voltage or insufficient voltage.
Through the arrangement, the stability of power supply of the data center system 200 can be ensured, and the strain capacity in emergency is enhanced.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Claims (7)

1. An electrical distribution system, comprising:
feeding power;
the data center system is connected with the power supply inlet wire;
the cold supply station system is connected with the power supply inlet wire;
a tie bus connecting the data center system and the cooling station system.
2. The power distribution system of claim 1, wherein the data center system comprises:
a first power distribution cabinet;
a high temperature water chilling unit;
one end of the second bus bar section is connected with the power supply inlet wire, and the other end of the second bus bar section is connected with the first end of the interconnection bus;
the bus III section is connected with the bus II section;
a first port of the first power distribution cabinet is connected with the bus III section, and a second port of the first power distribution cabinet is connected with the high-temperature water chilling unit;
the cold supply station system includes:
a cold supply station;
a second power distribution cabinet;
the bus IV section is connected with the power supply inlet wire and the cold supply station;
and a first port of the second power distribution cabinet is connected with the IV section of the bus, and a second port of the second power distribution cabinet is connected with a second end of the interconnection bus.
3. The power distribution system of claim 2, wherein the data center system further comprises:
a bus I section;
a first port of the third power distribution cabinet is connected with the I section of the bus, a second port of the third power distribution cabinet is connected with the III section of the bus, and a third port of the third power distribution cabinet is connected with the high-temperature water chilling unit;
the power supply inlet wire comprises:
a first power supply inlet wire, wherein a first port of the first power supply inlet wire is connected with the second section of the bus, and a second port of the first power supply inlet wire is connected with the IV section of the bus;
and a first port of the second power supply inlet wire is connected with the I section of the bus.
4. The power distribution system of claim 3, wherein the cold supply station system further comprises:
a fourth power distribution cabinet;
the bus V section is connected with a second port of the second power supply incoming line phase;
and a first port of the fourth power distribution cabinet is connected with the bus V section, and a second port of the third power distribution cabinet is connected with the bus IV section.
5. The power distribution system of claim 3, wherein the data center system further comprises:
a generator set;
the first input end of the first change-over switch is connected with the first port of the second power supply inlet wire, the second input end of the first change-over switch is connected with the generator set, and the output end of the first change-over switch is connected with the I section of the bus.
6. The power distribution system of claim 5, wherein the data center system further comprises:
the first input end of the second change-over switch is connected with the generator set, the second input end of the second change-over switch is connected with the second section of the bus, and the output end of the second change-over switch is connected with the third section of the bus.
7. The power distribution system of claim 3, further comprising:
a backup power supply unit, the backup power supply unit with I section of bus and III section of bus link to each other, the backup power supply unit is configured as: when the power supply power of the power supply inlet wire is larger than or equal to the service power of the data center system, the standby power supply unit is in a power supply state, and when the power supply power of the power supply inlet wire is smaller than the service power of the data center system, the standby power supply unit is in a charging state.
CN202121315035.6U 2021-06-11 2021-06-11 Power distribution system Active CN215772664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121315035.6U CN215772664U (en) 2021-06-11 2021-06-11 Power distribution system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121315035.6U CN215772664U (en) 2021-06-11 2021-06-11 Power distribution system

Publications (1)

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CN215772664U true CN215772664U (en) 2022-02-08

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Country Status (1)

Country Link
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