CN214755701U - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN214755701U CN214755701U CN202023277620.XU CN202023277620U CN214755701U CN 214755701 U CN214755701 U CN 214755701U CN 202023277620 U CN202023277620 U CN 202023277620U CN 214755701 U CN214755701 U CN 214755701U
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Abstract
The application discloses a power supply system, which comprises an uninterruptible power supply device, a direct power supply device and an output device; the uninterrupted power supply device comprises a first commercial power inlet wire module, a generator, an automatic switching module, a first medium-voltage transformation module, an uninterrupted power supply module and a first power distribution module, wherein the first commercial power inlet wire module and the generator are respectively and sequentially electrically connected with the first medium-voltage transformation module, the uninterrupted power supply module and the first power distribution module through the automatic switching module; the direct power supply device comprises a second mains supply incoming line module, a second medium-voltage transformation module and a second power distribution module which are electrically connected in sequence; the first power distribution module and the second power distribution module are respectively electrically connected with the output device and supply power to the output device. By adopting the technical scheme, the balance between safety and economy is realized, and the influence on the system operation caused by the single power module fault is small.
Description
Technical Field
The application relates to the field of power supply, in particular to a power supply system.
Background
The power supply system of the data center generally has the pain points of low efficiency, large loss, large occupied area, complex construction, operation and maintenance, high initial investment cost and the like. In the prior art, the balance between safety, reliability, economy and expansibility is often needed. The uninterrupted power supply device is important equipment for guaranteeing safety. In the prior art, a technical scheme of integrating a transformer, a power distribution system and a UPS power supply in an uninterruptible power supply device into a whole to form an integrated power supply source appears, and a combination scheme of a high-voltage phase-shifting transformer and uncontrolled rectification is adopted, so that the structure becomes more compact, however, when a low-power load, a load imbalance or a power module is damaged, system harmonic waves become worse, the voltage of a power bus is unstable, and the reliability is not high.
SUMMERY OF THE UTILITY MODEL
The present application is directed to overcoming the above-mentioned drawbacks and problems of the related art, and providing a power supply system that achieves a balance between safety and economy and is capable of reducing the influence of a single power module failure on system operation.
In order to achieve the purpose, the following technical scheme is adopted:
a power supply system comprises an uninterruptible power supply device, a direct power supply device and an output device; the uninterrupted power supply device comprises a first commercial power incoming line module, a generator, an automatic switching module, a first medium-voltage transformation module, an uninterrupted power supply module and a first power distribution module, wherein the first commercial power incoming line module and the generator are respectively and sequentially electrically connected with the first medium-voltage transformation module, the uninterrupted power supply module and the first power distribution module through the automatic switching module; the first medium-voltage transformation module adopts a non-phase-shifting transformer; the direct power supply device comprises a second mains supply inlet wire module, a second medium-voltage transformation module and a second power distribution module which are electrically connected in sequence; the first power distribution module and the second power distribution module are respectively electrically connected with the output device and supply power to the output device.
Furthermore, the uninterrupted module comprises at least one uninterrupted power supply unit, and when the number of the uninterrupted power supply units is more than two, the uninterrupted power supply units are connected in parallel.
Further, the uninterruptible power supply unit includes at least one uninterruptible power supply; when the quantity of the uninterrupted power supply is more than two, the uninterrupted power supplies are connected in parallel.
Furthermore, the uninterruptible power supply unit further comprises a first short-circuit protector, and the first short-circuit protector is connected with each uninterruptible power supply in series.
Further, each uninterruptible power supply is connected with a second short-circuit protector in series.
Further, the uninterruptible power supply comprises a first rectifier, a charging circuit, a battery, an inverter and an alternating current output end; the first rectifier charges the battery through the charging circuit, and the first rectifier and the battery supply power for an alternating current output end through an inverter; and all alternating current output ends of the uninterruptible power supply module are connected with each other to supply power for the first power distribution module.
Further, the direct power supply device further comprises a second rectifier; the second rectifier is positioned between the second medium voltage transformation module and the second power distribution module; the uninterruptible power supply comprises a first rectifier, a charging circuit, a battery and a direct current output end; the first rectifier charges the battery through the charging circuit; the first rectifier and the battery supply power for a direct current output end; and all direct current output ends of the uninterruptible power supply module are connected with each other to supply power for the first power distribution module.
Compared with the prior art, the scheme has the following beneficial effects:
the technical scheme of this application adopts uninterrupted power supply device and direct power supply device to supply power for output device simultaneously, therefore comparatively balanced between security and the economic nature. Meanwhile, the first medium voltage transformation module and the uninterrupted power supply module can be effectively integrated in the uninterrupted power supply device, the structure becomes more compact, and because the first medium voltage transformation module adopts a non-phase-shifting medium voltage transformer, and each uninterrupted power supply unit is flexibly deployed, each uninterrupted power supply unit can be independently used, the system expansion is flexible, the single power supply module has little influence on the system operation, and the requirement of data center staging construction can be met.
Drawings
In order to more clearly illustrate the technical solution of the embodiments, the drawings needed to be used are briefly described as follows:
fig. 1 is a block diagram of a power supply system according to a first embodiment;
fig. 2 is a block diagram of an ups module according to a first embodiment;
FIG. 3 is a block diagram of an uninterruptible power supply unit according to an embodiment;
FIG. 4 is a block diagram of an uninterruptible power supply according to an embodiment;
fig. 5 is a block diagram of a power supply system according to a second embodiment;
fig. 6 is a block diagram of an ups module according to a second embodiment;
fig. 7 is a block diagram of an ups unit according to a second embodiment;
fig. 8 is a block diagram of an ups according to a second embodiment;
description of the main reference numerals:
a power supply system 100, an uninterruptible power supply 10, a direct power supply 20, and an output device 30;
the power supply system comprises a first commercial power incoming line module 1, an invention machine 2, an automatic switching module 3, a first medium voltage transformation module 4, an uninterruptible power supply module 5, an uninterruptible power supply unit 52, a first short-circuit protector 521, an uninterruptible power supply 522, a first rectifier 5221, a charging circuit 5222, a battery 5223, an inverter 5224, an alternating current output end 5225, a direct current output end 5226, a second short-circuit protector 5223, a first power distribution module 6, a second commercial power incoming line module 7, a second medium voltage transformation module 8, a second rectifier 81 and a second power distribution module 9;
Detailed Description
In the claims and specification, unless otherwise specified the terms "first", "second" or "third", etc., are used to distinguish between different items and are not used to describe a particular order.
In the claims and specification, unless otherwise specified, the terms "central," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are used in the orientation and positional relationship indicated in the drawings and are used for ease of description only and do not imply that the referenced device or element must have a particular orientation or be constructed and operated in a particular orientation.
In the claims and the specification, unless otherwise defined, the terms "fixedly" or "fixedly connected" are to be understood in a broad sense as meaning any connection which is not in a relative rotational or translational relationship, i.e. including non-detachably fixed connection, integrally connected and fixedly connected by other means or elements.
In the claims and specification, unless otherwise defined, the terms "comprising", "having" and variations thereof mean "including but not limited to".
The technical solution in the embodiments will be clearly and completely described below with reference to the accompanying drawings.
Example one
Referring to fig. 1, fig. 1 shows a power supply system 100 according to a first embodiment. As shown in fig. 1, the power supply system 100 includes an uninterruptible power supply device 10, a direct power supply device 20, and an output device 30.
The uninterruptible power supply device 10 includes a first mains supply incoming line module 1, a generator 2, an automatic switching module 3, a first medium voltage transformation module 4, an uninterruptible power supply module 5, and a first power distribution module 6.
The first mains supply incoming line module 1 is used for introducing 10KV mains supply, and is generally accommodated in an incoming line cabinet.
The generator 2 typically comprises a diesel generator which also outputs electrical energy at a voltage of 10 KV.
Automatic switching module 3 is ATS, and it can realize the switching of first commercial power inlet wire module 1 power supply and generator 2 power supply.
The first medium voltage transforming module 4 is used for transforming the 10KV commercial power to 220V or other allowable voltages. In the present application, the first medium voltage transformation module 4 does not employ a phase-shifting transformer, and a general medium voltage three-phase step-down transformer is sufficient. The first medium voltage transformation module 4 is generally accommodated in a plurality of transformation isolation cabinets, and is arranged in a single row with the incoming line cabinet.
Referring to fig. 2, the ups module 5 of the present embodiment includes a plurality of ups units 52 connected in parallel.
Referring to fig. 3, in the present embodiment, each of the uninterruptible power supply units 52 includes a first short-circuit protector 521 and a plurality of uninterruptible power supplies 522 connected in parallel to each other.
Referring to fig. 4, in the present embodiment, the uninterruptible power supply 522 includes a first rectifier 5221, a charging circuit 5222, a battery 5223, an inverter 5224, and an ac output 5225. Wherein the first rectifier 5221 charges the battery 5223 through the charging circuit 5222, and the first rectifier 5221 and the battery 5223 selectively supply power to the ac output 5225 through the inverter 5224. Each of the three phases of the ac outputs 5225 in the ups module 5 are connected to each other to provide power to the first power distribution module 6.
The first power distribution module 6 has one end connected to each ac output terminal 5225 and the other end provided with a plurality of ac power distribution terminals for supplying power to the output device 30.
The second mains inlet module 7 has the same functions and equipment as the first mains inlet module 1, and is not described herein again.
The second medium voltage transformer 8 has the same function and equipment as the first medium voltage transformer 8 and will not be described again.
One end of the second power distribution module 9 is connected with the second medium voltage transformation module 8, and the other end is provided with a plurality of alternating current power distribution terminals.
The output device 30 includes a plurality of first cabinets disposed in each server row of the data center, and has a power distribution function to supply power to the server rows. Each column head cabinet is connected with the alternating current distribution end of the corresponding first power distribution module 6 and the alternating current distribution end of the corresponding second power distribution module.
Example two
Referring to fig. 5, a power supply system 100 is shown in fig. 5. As shown in fig. 5, the power supply system 100 includes an uninterruptible power supply device 10, a direct power supply device 20, and an output device 30. The uninterruptible power supply device 10 includes a first mains supply incoming line module 1, a generator 2, an automatic switching module 3, a first medium voltage transformation module 4, an uninterruptible power supply module 5, and a first power distribution module 6. The direct power supply device 20 comprises a second mains inlet module 7, a second medium voltage transformation module 8, a second rectifier 81 and a second power distribution module 9.
Wherein, first commercial power inlet wire module 1, generator 2, automatic switch module 3, first medium voltage transformation module 4, second commercial power inlet wire module 7 and second medium voltage transformation module 8 all are the same as embodiment one, and no longer repeated here.
Referring to fig. 6, in the present embodiment, the ups module 5 includes a plurality of ups units 52 connected in parallel.
Referring to fig. 7, in the embodiment, the ups unit 52 includes a plurality of upss 522 connected in parallel to each other, and each of the upss 522 is connected in series to a second short-circuit protector 523.
Referring to fig. 8, in the present embodiment, the uninterruptible power supply 522 includes a first rectifier 5221, a charging circuit 5222, a battery 5223, and a dc output 5226. The first rectifier 5221 charges the battery 5223 through the charging circuit 5222, and the first rectifier 5223 and the battery 5223 can selectively supply power to the dc output terminal 5226. The dc outputs 5226 of the ups modules 5 are connected to each other to provide power to the first power distribution module 6.
The first power distribution module 6 has one end connected to each dc output terminal 5226 and the other end provided with a plurality of dc power distribution terminals for supplying power to the output device 30.
In this embodiment, the direct power supply device 20 supplies dc power through the second rectifier 81, and therefore, one end of the second power distribution module 9 is connected to the second rectifier 81, and the other end thereof is provided with a plurality of dc power distribution terminals.
The output device 30 includes a plurality of first cabinets disposed in each server row of the data center, and has a power distribution function to supply power to the server rows. Each column head cabinet is respectively connected with the direct current distribution end of the corresponding first power distribution module 6 and the direct current distribution end of the corresponding second power distribution module.
According to the two embodiments, the uninterruptible power supply device 10 and the direct power supply device 20 are simultaneously adopted to supply power to the output device 30, so that the safety and the economy are balanced. Meanwhile, the first medium voltage transformation module 4 and the uninterruptible power supply module 5 can be effectively integrated in the uninterruptible power supply device 10, the structure becomes more compact, and because the first medium voltage transformation module 4 adopts a non-phase-shifting medium voltage transformer, and each uninterruptible power supply unit 52 is flexibly deployed, each uninterruptible power supply unit 52 can be independently used, the system expansion is flexible, the single power supply module fault has little influence on the system operation, and the requirement of data center staging construction can be met.
The description of the above specification and examples is intended to be illustrative of the scope of the present application and is not intended to be limiting.
Claims (7)
1. A power supply system is characterized by comprising an uninterruptible power supply device, a direct power supply device and an output device; the uninterrupted power supply device comprises a first commercial power incoming line module, a generator, an automatic switching module, a first medium-voltage transformation module, an uninterrupted power supply module and a first power distribution module, wherein the first commercial power incoming line module and the generator are respectively and sequentially electrically connected with the first medium-voltage transformation module, the uninterrupted power supply module and the first power distribution module through the automatic switching module; the first medium-voltage transformation module adopts a non-phase-shifting transformer; the direct power supply device comprises a second mains supply inlet wire module, a second medium-voltage transformation module and a second power distribution module which are electrically connected in sequence; the first power distribution module and the second power distribution module are respectively electrically connected with the output device and supply power to the output device.
2. A power supply system in accordance with claim 1, wherein said uninterruptible module comprises at least one uninterruptible power supply unit, and when there are more than two uninterruptible power supply units, they are connected in parallel with each other.
3. A power supply system according to claim 2, wherein said uninterruptible power supply unit includes at least one uninterruptible power supply; when the quantity of the uninterrupted power supply is more than two, the uninterrupted power supplies are connected in parallel.
4. A power supply system in accordance with claim 3, wherein said ups unit further comprises a first short circuit protector, said first short circuit protector being connected in series with each ups.
5. A power supply system according to claim 3, wherein a second short circuit protector is connected in series with each said ups.
6. A power supply system according to any one of claims 4 to 5, wherein said uninterruptable power supply comprises a first rectifier, a charging circuit, a battery, an inverter and an AC output; the first rectifier charges the battery through the charging circuit, and the first rectifier and the battery supply power for an alternating current output end through an inverter; and all alternating current output ends of the uninterruptible power supply module are connected with each other to supply power for the first power distribution module.
7. A power supply system according to any one of claims 4 to 5 wherein said direct power supply means further includes a second rectifier; the second rectifier is positioned between the second medium voltage transformation module and the second power distribution module; the uninterruptible power supply comprises a first rectifier, a charging circuit, a battery and a direct current output end; the first rectifier charges the battery through the charging circuit; the first rectifier and the battery supply power for a direct current output end; and all direct current output ends of the uninterruptible power supply module are connected with each other to supply power for the first power distribution module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023277620.XU CN214755701U (en) | 2020-12-29 | 2020-12-29 | Power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023277620.XU CN214755701U (en) | 2020-12-29 | 2020-12-29 | Power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755701U true CN214755701U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023277620.XU Active CN214755701U (en) | 2020-12-29 | 2020-12-29 | Power supply system |
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| CN (1) | CN214755701U (en) |
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- 2020-12-29 CN CN202023277620.XU patent/CN214755701U/en active Active
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