CN205811560U - Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station - Google Patents
Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station Download PDFInfo
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- CN205811560U CN205811560U CN201620752596.5U CN201620752596U CN205811560U CN 205811560 U CN205811560 U CN 205811560U CN 201620752596 U CN201620752596 U CN 201620752596U CN 205811560 U CN205811560 U CN 205811560U
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- 230000005611 electricity Effects 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical group [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
Abstract
The utility model discloses a kind of anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station, including photovoltaic generating system, low power used system and high tension distribution system (1), low power used system connects high tension distribution system (1) and selectivity connects photovoltaic generating system, and the power output end of high tension distribution system (1) connects low power used system after step-down transformer (2 1)；Photovoltaic generating system selectivity connects low power used system or high tension distribution system (1), it is characterized in that: the power output end of photovoltaic generating system is after exchanging the cabinet (5) that confluxes and confluxing, connect with photovoltaic isolating transformer (4), grid-connected metering cabinet (3) connected by the outfan of photovoltaic isolating transformer (4), and grid-connected metering cabinet (3) selectivity connects low power used system or high tension distribution system (1).This utility model can effectively solve electricity consumption enterprise because of access the special equipment interference to photovoltaic DC-to-AC converter, make photovoltaic plant run more efficiently.
Description
Technical field
This utility model relates to a kind of distributed photovoltaic power station, particularly relates to a kind of anti-corporate intranet interference type low-pressure grid-connection
Distributed photovoltaic power station, belongs to photovoltaic plant technical field.
Background technology
In recent years, along with the environmental pollution of haze is day by day serious, people gradually recognize: extensive generation of electricity by new energy is to solve
Certainly current energy source shortage, one of Important Action of environmental pollution.Along with country's examination and approval authority issues and the appearance of every policy, distribution
Formula generation technology has welcome the fast-developing phase of a new round.Especially photovoltaic generation, due to its have clean environment firendly, pollution-free,
The advantage such as widely distributed, renewable, has the more wide market space.
Distributed photovoltaic power generation is mostly based on dispersion roof or architecture-integral, and general employing is generated power for their own use, Yu electricity Shang
Net pattern, the distributed photovoltaic power station of 380/220V low-pressure grid-connection, mostly use photovoltaic DC-to-AC converter to be converted into by photovoltaic DC electricity
Alternating current, is then passed through switchgear and is linked into electricity consumption corporate intranet.But the load of some large electricity consumer enterprise be intermediate frequency furnace,
The special equipments such as electric arc furnace, easily produce frequency, voltage, current anomaly interference to inverter, cause the inverter cannot normal work
Make, so that photovoltaic plant cannot properly functioning even quit work.
For this reason, it may be necessary to design the distributed photovoltaic power station of a kind of anti-Intranet interference.
Summary of the invention
This utility model is for above-mentioned technical problem present in prior art, it is provided that a kind of anti-corporate intranet interference type is low
Press grid-connected distributed photovoltaic power station and installation method thereof, effectively solve electricity consumption enterprise because of access special equipment, such as intermediate frequency furnace, electricity
The interference to photovoltaic DC-to-AC converter such as arc stove, the approach of low cost a kind of effectively for the properly functioning offer of photovoltaic plant.
To this end, this utility model adopts the following technical scheme that
A kind of anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station, including photovoltaic generating system, low pressure electricity consumption
System and high tension distribution system (1), low power used system connects high tension distribution system (1) and selectivity connects photovoltaic generation system
System, the power output end of high tension distribution system (1) connects low power used system after step-down transformer (2-1)；Photovoltaic generation system
System selectivity connects low power used system or high tension distribution system (1), it is characterised in that: the power output end of photovoltaic generating system
After exchanging the cabinet (5) that confluxes and confluxing, connecting with photovoltaic isolating transformer (4), light connected by the outfan of photovoltaic isolating transformer (4)
Lying prostrate grid-connected metering cabinet (3), grid-connected metering cabinet (3) selectivity connects low power used system or high tension distribution system (1).
This utility model, by accessing photovoltaic isolating transformer at the power output end of photovoltaic generating system, effectively solves to use
Electricity enterprise because accessing special equipment, such as intermediate frequency furnace, the interference to photovoltaic DC-to-AC converter such as electric arc furnace, properly functioning for photovoltaic plant
Provide a kind of effective, approach of low cost；Meanwhile, can be compatible with conventional photovoltaic power station, it is applicable not only to newly design photovoltaic electric
Stand, be also applied for built photovoltaic plant, applied widely.
Further, described photovoltaic generating system includes photovoltaic array (8), and the electric energy that photovoltaic array produces is through confluxing and inverse
Forming a point outfan (8-1) after change, form total outfan (8-2) after cabinet (5) is confluxed in exchange, total outfan (8-2) is concatenated
Photovoltaic isolating transformer (4) and grid-connected metering cabinet (3) selectivity afterwards access low power used system or through separated transformer (2-
2) high tension distribution system (1) is accessed after boosting.
Further, described exchange is confluxed the first chopper (5-1) that cabinet (5) includes being sequentially connected in series, the first Current Mutual Inductance
Device (5-2) and the first spark gap (5-3), and second chopper (5-4) of some parallel connections, the second chopper (5-4) sets respectively
Being placed on each point of outfan (8-2), the first chopper (5-1) is arranged on total outfan (8-2).
Further, described grid-connected metering cabinet (3) includes being sequentially connected in series the second current transformer (3-1), second
Spark gap (3-2), the 3rd chopper (3-3) and and the 3rd current transformer (3-4).
Further, described high tension distribution system (1) includes being sequentially connected in series: High-voltage Incoming Cabinet (1-1), the first metering
Cabinet (1-2), first total cabinet (1-3), isolation cabinet (1-8), the second metering cabinet (1-13) and incoming line cabinet (1-14)；Oneth PT cabinet
(1-4), after the first transformator feeder cabinet (1-5), the second transformator feeder cabinet (1-6) and mother cabinet (1-7) parallel connection, series connection
Between first total cabinet (1-3) and isolation cabinet (1-8)；Feeder cabinet (1-9), reserve tank (1-10), the 2nd PT cabinet (1-11) and
It is connected on after second total cabinet (1-12) parallel connection between isolation cabinet (1-8) and the second metering cabinet (1-13).
To sum up, this utility model solves enterprise's special type set by increasing photovoltaic isolating transformer and inverter parameters of adjusting
The standby interference to inverter so that inverter energy stable operation, thus photovoltaic plant operational reliability is provided.Effectively solve electricity consumption
Enterprise because accessing special equipment, such as intermediate frequency furnace, the interference to photovoltaic DC-to-AC converter such as electric arc furnace, carry for photovoltaic plant is properly functioning
Supply a kind of effective, approach of low cost；Meanwhile, can be compatible with conventional photovoltaic power station, it is applicable not only to newly design photovoltaic plant,
It is also applied for built photovoltaic plant, applied widely；For growing distributed photovoltaic power generation, it is that one has reality
Meaning, economical and practical solution route.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of high tension distribution system of the present utility model；
Fig. 3 is the structural representation of low power used system of the present utility model；
Fig. 4 is the structural representation of this utility model photovoltaic generating system.
Detailed description of the invention
In order to make those skilled in the art be better understood from this utility model scheme, real below in conjunction with this utility model
Execute the accompanying drawing in example, the technical scheme in this utility model embodiment is carried out clear, complete description.
As Figure 1-4, anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station of the present utility model, including light
Photovoltaic generating system, low power used system and high tension distribution system 1, low power used system connects high tension distribution system 1 and selects
Property connect photovoltaic generating system, the power output end of high tension distribution system 1 connects low pressure electricity consumption system after step-down transformer 2-1
System；Photovoltaic generating system selectivity connects low power used system or high tension distribution system 1, the power output end of photovoltaic generating system
Being sequentially connected in series exchange to conflux cabinet 5 and photovoltaic isolating transformer 4, grid-connected metering connected by the outfan of photovoltaic isolating transformer 4
Cabinet 3, grid-connected metering cabinet 3 selectivity connects low power used system or high tension distribution system 1.As shown in Figure 1, Figure 3, low pressure is used
In electricity system, exemplarily it is connected to some loads, such as capacitor box 9, intermediate frequency furnace 10.
Photovoltaic generating system includes photovoltaic array 8, and the electric energy that photovoltaic array produces is through confluxing and forming a point output after inversion
End 8-1, confluxes through exchange and forms total outfan 8-2, total outfan 8-2 after cabinet 5 and be concatenated photovoltaic isolating transformer 4 and photovoltaic also
After network metering cabinet 3, selectivity accesses low power used system or accesses high tension distribution system 1 after separated transformer 2-2 boosts.
Exchange the first chopper 5-1, the first current transformer 5-2 and the first spark gap that the cabinet 5 that confluxes includes being sequentially connected in series
5-3, and the second chopper 5-4 of some parallel connections, the second chopper 5-4 is respectively arranged on each point of outfan 8-2, and first breaks
Road device 5-1 is arranged on total outfan 8-2.
The second current transformer 3-1 that grid-connected metering cabinet 3 includes being sequentially connected in series, the second spark gap 3-2, the 3rd open circuit
Device 3-3 and and the 3rd current transformer 3-4.
Described high tension distribution system 1 includes being sequentially connected in series: the total cabinet of High-voltage Incoming Cabinet 1-1, the first metering cabinet 1-2, first
1-3, isolates cabinet 1-8, the second metering cabinet 1-13 and incoming line cabinet 1-14；Oneth PT cabinet 1-4, the first transformator feeder cabinet 1-
5, after the second transformator feeder cabinet 1-6 and mother cabinet 1-7 parallel connection, it is connected between first total cabinet 1-3 and isolation cabinet 1-8；Feedback
It is connected on isolation cabinet 1-8 and second meter after the total cabinet 1-12 parallel connection of line cabinet 1-9, reserve tank 1-10, the 2nd PT cabinet 1-11 and second
Between amount cabinet 1-13.
Composition design of the present utility model is compatible with conventional photovoltaic power station, is applicable not only to newly design photovoltaic plant, also fits
For building photovoltaic plant, by increasing isolating transformer or inverter parameters of adjusting, effectively solve electricity consumption enterprise special type and set
Standby, such as intermediate frequency furnace, the interference to photovoltaic DC-to-AC converter such as electric arc furnace, for photovoltaic plant properly functioning provide a kind of effective, low
The approach of cost.
Equipment of the present utility model all can obtain from market purchasing, and main material has photovoltaic module, can use polycrystalline or
Monocrystalline or membrane photovoltaic component, photovoltaic cable can use PV-WIRE dedicated optical luff cable, and ac cable can use the Far East,
The brand cables such as the south of the River, photovoltaic DC-to-AC converter can use sunlight power supply brand, and voltage switchgear uses the grand agate in Wuxi etc., chopper
Using ABB, the people, Changshu switch, transformer uses Dalian mutual inductance device factory, and transformator uses dry-type transformer, and brand is special change
Electrician, the Pacific Ocean, Changzhou etc..
In this utility model, use " the first chopper ", " the second chopper ", " the 3rd chopper " etc., therein "
One ", " second ", " the 3rd " etc. are used for only describing name that is clear and that carry out, not for limiting its structure, open circuit used
Device is chopper conventional in prior art.
Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station of the present utility model, installation method is as follows:
1) first by photovoltaic array 8 installation wiring 7, photovoltaic module can use sky, Changzhou to close polysilicon 260W photovoltaic
Assembly；
2) exchange is installed to conflux cabinet 5 and photovoltaic DC-to-AC converter 6, and completes to conflux cabinet 5 wiring from photovoltaic DC-to-AC converter 6 to exchange,
The exchange cabinet 5 that confluxes can use the grand agate in Wuxi 6 to enter 1 to go out exchange and conflux cabinet；
3) photovoltaic isolating transformer 4 is installed, and completes to exchange the wiring of cabinet 5 to the photovoltaic isolating transformer 4 that confluxes, photovoltaic every
The Pacific Ocean, Changzhou can be used from transformator 4；
4) grid-connected metering cabinet 3 is installed, and completes photovoltaic isolating transformer 4 to the wiring of grid-connected metering cabinet 3, light
Lie prostrate grid-connected metering cabinet and can use the general gold in Suzhou；
5) installation and debugging and complete debugging and inverter adjust, for corporate intranet frequency anomaly, the guarantor of inverter of adjusting
Protect frequency range；
6) monitoring power station communication can use Beijing wood connection energy, gathers inverter, exchanges header box, photovoltaic isolation transformation
Device, grid-connected metering cabinet, electric current, voltage, switching-state information, video monitoring information.
Obviously, described embodiment is only section Example of the present utility model rather than whole embodiments.Base
Embodiment in this utility model, the institute that those of ordinary skill in the art are obtained under not making creative work premise
There are other embodiments, all should belong to the scope of this utility model protection.
Claims (5)
1. an anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station, including photovoltaic generating system, low pressure electricity consumption system
System and high tension distribution system (1), low power used system connects high tension distribution system (1) and selectivity connects photovoltaic generation system
System, the power output end of high tension distribution system (1) connects low power used system after step-down transformer (2-1)；Photovoltaic generation system
System selectivity connects low power used system or high tension distribution system (1), it is characterised in that: the power output end of photovoltaic generating system
After exchanging the cabinet (5) that confluxes and confluxing, connecting with photovoltaic isolating transformer (4), light connected by the outfan of photovoltaic isolating transformer (4)
Lying prostrate grid-connected metering cabinet (3), grid-connected metering cabinet (3) selectivity connects low power used system or high tension distribution system (1).
Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station the most according to claim 1, it is characterised in that: institute
Stating photovoltaic generating system and include photovoltaic array (8), the electric energy that photovoltaic array produces is through confluxing and forming a point outfan (8-after inversion
1), confluxing after cabinet (5) confluxes through exchange and form total outfan (8-2), total outfan (8-2) is concatenated photovoltaic isolating transformer
(4) and grid-connected metering cabinet (3) selectivity afterwards access low power used system or through separated transformer (2-2) boost after access height
Pressure distribution system (1).
Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station the most according to claim 1, it is characterised in that: institute
State exchange to conflux the first chopper (5-1), the first current transformer (5-2) and the first spark gap that cabinet (5) includes being sequentially connected in series
(5-3), and second chopper (5-4) of some parallel connections, the second chopper (5-4) is respectively arranged at each point of outfan (8-2)
On, the first chopper (5-1) is arranged on total outfan (8-2).
Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station the most according to claim 1, it is characterised in that: institute
State the second current transformer (3-1) that grid-connected metering cabinet (3) includes being sequentially connected in series, the second spark gap (3-2), the 3rd open circuit
Device (3-3) and the 3rd current transformer (3-4).
Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station the most according to claim 1, it is characterised in that: institute
State what high tension distribution system (1) included being sequentially connected in series: High-voltage Incoming Cabinet (1-1), the first metering cabinet (1-2), first total cabinet (1-
3), isolation cabinet (1-8), the second metering cabinet (1-13) and incoming line cabinet (1-14)；Oneth PT cabinet (1-4), the first transformator feedback
After line cabinet (1-5), the second transformator feeder cabinet (1-6) and mother cabinet (1-7) parallel connection, be connected on first total cabinet (1-3) with every
Between cabinet (1-8)；After feeder cabinet (1-9), reserve tank (1-10), the 2nd PT cabinet (1-11) and second total cabinet (1-12) parallel connection
It is connected between isolation cabinet (1-8) and the second metering cabinet (1-13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620752596.5U CN205811560U (en) | 2016-07-16 | 2016-07-16 | Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620752596.5U CN205811560U (en) | 2016-07-16 | 2016-07-16 | Anti-corporate intranet interference type low-pressure grid-connection distributed photovoltaic power station |
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| CN205811560U true CN205811560U (en) | 2016-12-14 |
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ID=57508702
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026179A (en) * | 2016-07-16 | 2016-10-12 | 常州天合光能有限公司 | Anti-enterprise-intranet-interference low-voltage grid-connected distributed photovoltaic power station and installation method thereof |
-
2016
- 2016-07-16 CN CN201620752596.5U patent/CN205811560U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026179A (en) * | 2016-07-16 | 2016-10-12 | 常州天合光能有限公司 | Anti-enterprise-intranet-interference low-voltage grid-connected distributed photovoltaic power station and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINASOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. |
|
| CP01 | Change in the name or title of a patent holder |