CN201608554U - Uninterrupted power supply system for human-computer interface of photovoltaic grid-connected inverter - Google Patents
Uninterrupted power supply system for human-computer interface of photovoltaic grid-connected inverter Download PDFInfo
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- CN201608554U CN201608554U CN2009202853304U CN200920285330U CN201608554U CN 201608554 U CN201608554 U CN 201608554U CN 2009202853304 U CN2009202853304 U CN 2009202853304U CN 200920285330 U CN200920285330 U CN 200920285330U CN 201608554 U CN201608554 U CN 201608554U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 description 5
- 238000007600 charging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses an uninterrupted power supply system for a human-computer interface of a photovoltaic grid-connected inverter, which comprises an AC-to-DC conversion module (6), a storage battery (7) and a DC chopper module (8); the AC output end (4) of the photovoltaic grid-connected inverter adopts the three-phase AC output manner; one-phase AC is connected with the AC-to-DC conversion module (6); the DC output end of the AC-to-DC conversion module (6) is divided into two branches, wherein one branch is connected with the DC chopper module (8) and the human-computer interface (9) in sequence, while the other branch is connected with the storage battery (7); the storage battery (7) is connected with the DC chopper module (8) and the human-computer interface (9) in sequence; and the human-computer interface (9) is connected with a remote monitoring center (10). The utility model can solve the problem of influence on the system caused by electric grid fluctuation and power failure, thereby achieving uninterrupted power supply; moreover, the system has the advantages of simple structure, decrease of circuit links, lower cost, improved efficiency, convenient use and high reliability.
Description
Technical field
The utility model relates to a kind of uninterruptible power system of photovoltaic combining inverter man-machine interface.
Background technology
In the medium-and-large-sized photovoltaic parallel in system of high reliability request, often require the state of photovoltaic DC-to-AC converter to be carried out remote monitoring in 24 hours, even unusual conditions such as outage take place in the AC power of combining inverter place node.In order to address this problem, present inverter producer all adopts and gives man-machine interface HMI (Human machine interface) power supply separately, and the interchange of HMI input is equipped with the strategy of UPS (Uninterruptible power supply) uninterrupted power supply, as shown in Figure 1.
That ups system can purify is too low or too high for voltage, moment surging etc. be enough to the electric power quality that the equipment that influences runs well, the stable and clean electric power of the equipment that offers.But during operate as normal, in UPS, electric energy has passed through AC/DC, DC/AC) twice conversion, system effectiveness is on the low side.Simultaneously, increased UPS and independent one road Alternating Current Power Supply, the installation of system, complexity such as distribution, cost is higher.
The utility model content
The purpose of this utility model is: a kind of uninterruptible power system of photovoltaic combining inverter man-machine interface is provided, and it is simple in structure, not only can solve the influence that power network fluctuation and power failure bring system, and can save cost, raises the efficiency.
The technical solution of the utility model is: a kind of uninterruptible power system of photovoltaic combining inverter man-machine interface, it comprises AC-DC conversion module, DC chopped-wave module, the alternating current output of photovoltaic combining inverter connects the AC-DC conversion module, and the dc output end of AC-DC conversion module connects DC chopped-wave module, man-machine interface successively.
Below technique scheme is further explained:
Described uninterruptible power system also includes batteries, and the dc output end of described AC-DC conversion module connects batteries.
Described batteries connects DC chopped-wave module, man-machine interface successively.
Described man-machine interface connects remote monitoring center.
The alternating current output of described photovoltaic combining inverter is three-phase alternating current output, gets wherein the AC-DC conversion module that is connected.
The utility model has the advantages that:
1. the uninterruptible power system of photovoltaic combining inverter man-machine interface of the present utility model can solve the influence that power network fluctuation and power failure bring system, realizes uninterrupted power supply; And simple in structure, circuit ring is reduced few, and cost is lower, and efficient improves, and is easy to use, the reliability height.
2. the uninterruptible power system of photovoltaic combining inverter man-machine interface of the present utility model, the input power supply is directly provided by photovoltaic DC-to-AC converter, through one-level AC/DC conversion (AC-DC conversion module) afterwards, be divided into two loops, the one, via charge circuit to battery charging, another is through one-level DC/DC conversion (DC chopped-wave module), powers to the HMI man-machine interface; When not having illumination, the inverter no-output, equipment changes by the batteries power supply, does not cut off the power supply with realization.Compare with traditional UPS uninterrupted power supply powering mode, better by the power quality that photovoltaic DC-to-AC converter provides, the UPS Uninterruptible Power Module has been removed by new system, and whole energy storage and rectification module all are integrated into inverter control plate, so not only can raise the efficiency, and save cost.For user side, new system is owing to be integrated into inverter inside, uses more conveniently, need not optional equipment.
Description of drawings
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 has used the photovoltaic combining inverter of prior art and the schematic diagram of remote monitoring total system;
Fig. 2 is a schematic diagram of having used photovoltaic combining inverter of the present utility model and remote monitoring total system.
Wherein: 1 photovoltaic combining inverter; 2 inversion system direct-flow input ends; 3 inversion systems; 4 alternating current outputs; 5 supervision system power inputs; 6 AC-DC conversion modules; 7 batteries; 8 DC chopped-wave modules; 9 man-machine interfaces; 10 remote monitoring centers; 11 mains electricity input end; The 12UPS uninterrupted power supply; 13AC/DC AC-DC conversion module.
Embodiment
Embodiment: as shown in Figure 2, a kind of uninterruptible power system of photovoltaic combining inverter man-machine interface, it comprises AC-DC conversion module 6, batteries 7, DC chopped-wave module 8.
The alternating current output 4 of photovoltaic combining inverter is three-phase alternating current output, get wherein the AC-DC conversion module 6 that is connected, the dc output end output of AC-DC conversion module 6 has two branch roads: the one, and 7 chargings of accumulators group, the 2nd, supply with DC/DC DC chopped-wave module 8, DC chopped-wave module 8 is adjusted into HMI man-machine interface 9 applied voltages with direct voltage.
When illumination was not enough, inversion system 3 was not worked, and three-phase alternating current output 4 is zero, and at this moment, batteries 7 begins power supply, to realize HMI man-machine interface 9 uninterrupted steady operations.The pilot signal of HMI man-machine interface 9 is sent to remote monitoring center 10 through optical fiber, and like this, no matter be that system takes place unusually or unglazed photograph, remote control center 10 can both be realized monitoring.
HMI man-machine interface 9 is connected to each other with inversion system 3, has signal input and output.
Should be pointed out that for the utility model also to have the embodiment of multiple conversion and remodeling, be not limited to above-mentioned specific embodiment through proving absolutely.The foregoing description is as just explanation of the present utility model, rather than to restriction of the present utility model.In a word, protection range of the present utility model should comprise those conspicuous to those skilled in the art conversion or substitute and remodeling.
Claims (5)
1. the uninterruptible power system of a photovoltaic combining inverter man-machine interface, it is characterized in that: it comprises AC-DC conversion module (6), DC chopped-wave module (8), the alternating current output (4) of photovoltaic combining inverter connects AC-DC conversion module (6), and the dc output end of AC-DC conversion module (6) connects DC chopped-wave module (8), man-machine interface (9) successively.
2. the uninterruptible power system of photovoltaic combining inverter man-machine interface according to claim 1, it is characterized in that: described uninterruptible power system also includes batteries (7), and the dc output end of described AC-DC conversion module (6) connects batteries (7).
3. the uninterruptible power system of photovoltaic combining inverter man-machine interface according to claim 1 is characterized in that: described batteries (7) connects DC chopped-wave module (8), man-machine interface (9) successively.
4. according to the uninterruptible power system of any described photovoltaic combining inverter man-machine interface in the claim 1 to 3, it is characterized in that: described man-machine interface (9) connects remote monitoring center (10).
5. the uninterruptible power system of photovoltaic combining inverter man-machine interface according to claim 1 is characterized in that: the alternating current output (4) of described photovoltaic combining inverter is three-phase alternating current output, gets wherein the AC-DC conversion module (6) that is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202853304U CN201608554U (en) | 2009-12-17 | 2009-12-17 | Uninterrupted power supply system for human-computer interface of photovoltaic grid-connected inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202853304U CN201608554U (en) | 2009-12-17 | 2009-12-17 | Uninterrupted power supply system for human-computer interface of photovoltaic grid-connected inverter |
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| Publication Number | Publication Date |
|---|---|
| CN201608554U true CN201608554U (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202853304U Expired - Lifetime CN201608554U (en) | 2009-12-17 | 2009-12-17 | Uninterrupted power supply system for human-computer interface of photovoltaic grid-connected inverter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065154A (en) * | 2014-06-09 | 2014-09-24 | 深圳微网能源管理系统实验室有限公司 | Frequency changer emergency power supply system |
-
2009
- 2009-12-17 CN CN2009202853304U patent/CN201608554U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065154A (en) * | 2014-06-09 | 2014-09-24 | 深圳微网能源管理系统实验室有限公司 | Frequency changer emergency power supply system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215011 Suzhou province high tech Zone Xiangyang Road, No. 9, building 198, Jiangsu Patentee after: Jiangsu Zeversolar New Energy Co.,Ltd. Address before: 215011, No. 198, Xiangyang Road, Suzhou hi tech Development Zone, Jiangsu, Suzhou, 9 Patentee before: JIANGSU EVER-SOLAR NEW ENERGY Co.,Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZOF NEW ENERGY CO., LTD. Effective date: 20140320 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215011 Suzhou province high tech Zone Xiangyang Road, No. 9, building 198, Jiangsu Patentee after: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. Address before: 215011 Suzhou province high tech Zone Xiangyang Road, No. 9, building 198, Jiangsu Patentee before: Jiangsu Zeversolar New Energy Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140320 Address after: 215011 Suzhou province high tech Zone Xiangyang Road, No. 9, building 198, Jiangsu Patentee after: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. Patentee after: JIANGSU ZOF NEW ENERGY Co.,Ltd. Address before: 215011 Suzhou province high tech Zone Xiangyang Road, No. 9, building 198, Jiangsu Patentee before: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: Kolding road high tech Zone of Suzhou City, Jiangsu Province, No. 78 215011 Co-patentee after: Esma new energy technology (Yangzhong) Co.,Ltd. Patentee after: Esma new energy technology (Jiangsu) Co.,Ltd. Address before: 215011 Suzhou province high tech Zone Xiangyang Road, No. 9, building 198, Jiangsu Co-patentee before: JIANGSU ZOF NEW ENERGY Co.,Ltd. Patentee before: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215000 Factory Building No. 1989 Xiangyang Road, Suzhou High-tech Zone, Jiangsu Province Co-patentee after: Aishiwei New Energy Technology (Yangzhong) Co.,Ltd. Patentee after: Esway new energy technology (Jiangsu) Co.,Ltd. Address before: 215011 No. 78 Keling Road, Suzhou High-tech Zone, Jiangsu Province Co-patentee before: Esma new energy technology (Yangzhong) Co.,Ltd. Patentee before: Esma new energy technology (Jiangsu) Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |