CN202797708U - Box-type inversion integrated substation and photovoltaic power generation system - Google Patents

Box-type inversion integrated substation and photovoltaic power generation system Download PDF

Info

Publication number
CN202797708U
CN202797708U CN2012204961818U CN201220496181U CN202797708U CN 202797708 U CN202797708 U CN 202797708U CN 2012204961818 U CN2012204961818 U CN 2012204961818U CN 201220496181 U CN201220496181 U CN 201220496181U CN 202797708 U CN202797708 U CN 202797708U
Authority
CN
China
Prior art keywords
box
direct current
output
inversion integrated
photovoltaic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012204961818U
Other languages
Chinese (zh)
Inventor
夏良勇
薛建科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUBEI ZHUIRI ELECTRICAL CO Ltd
Original Assignee
HUBEI ZHUIRI ELECTRICAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUBEI ZHUIRI ELECTRICAL CO Ltd filed Critical HUBEI ZHUIRI ELECTRICAL CO Ltd
Priority to CN2012204961818U priority Critical patent/CN202797708U/en
Application granted granted Critical
Publication of CN202797708U publication Critical patent/CN202797708U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/20Climate change mitigation technologies for sector-wide applications using renewable energy

Abstract

The utility model provides a box-type inversion integrated substation and a photovoltaic power generation system. The box-type inversion integrated substation comprises a box-type machine casing, a direct current power distribution cabinet, a grid-tied photovoltaic inverter and an alternating current switch cabinet, wherein the direct current power distribution cabinet, the grid-tied photovoltaic inverter and the alternating current switch cabinet are arranged in the box-type machine casing and sequentially and electrically connected together. The direct current power distribution cabinet transmits the direct current collected by a solar panel to the photovoltaic inverter, and the grid-tied type photovoltaic inverter performs DC-AC transformation to output the alternating current to the alternating current switch cabinet. The photovoltaic power generation system comprises at least one solar panel group, at least one path of direct current combiner box, the box-type inversion integrated substation and at least one grid-tied transformer connected with the box-type inversion integrated substation for generating power in grid-tied mode. The box-type inversion integrated substation and the photovoltaic power generation system facilitate standardized production of plants, can reduce integral project cost and shorten project construction period of an inverter chamber, and simultaneously is suitable for scattered installation in the field and convenient to move.

Description

Box inversion integrated transformer substation and photovoltaic generating system
Technical field
The utility model relates to the solar photovoltaic technology field, particularly a kind of box inversion integrated transformer substation and photovoltaic generating system.
Background technology
At present, solar photovoltaic generation system is made of solar panel group, header box group, inverter chamber and transmission ﹠ distribution converting equipment.Wherein inverter chamber Main Function is that direct current to the solar panel group gathers, and then carries out DC-AC conversion output AC electricity giving the indoor inverter of inverter.The inverter chamber mainly is to adopt brick mix structure at present, and its shortcoming is that construction costs is high, the cycle is long, moves inconvenience, is unfavorable for Installation and Debugging.
The utility model content
The technical problems to be solved in the utility model is in order to overcome the defective of prior art, to provide a kind of and can reduce inverter chamber integrated engineering cost and be convenient to box inversion integrated transformer substation and the photovoltaic generating system that factory normalization is produced.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of box inversion integrated transformer substation, its characteristics are, it includes a box-type casing, and places in the described box-type casing and the DC power distribution cabinet, a grid type photovoltaic DC-to-AC converter, the AC switch cubicle that are electrically connected successively; Wherein, the direct current that described DC power distribution cabinet comes the collection of solar panel group gathers gives the parallel networking type photovoltaic inverter, and described parallel networking type photovoltaic inverter carries out DC-AC conversion output AC electricity to AC switch cubicle.
The DC-AC conversion refers to AC-DC converter.Adopt the inversion integrated transformer substation of above-mentioned case structure, not only be convenient to factory normalization production, and can reduce inverter chamber integrated engineering cost, shortening constructionperiod, also be suitable for simultaneously installing open-air the dispersion.
Preferably, described box-type casing comprises that a base, the wallboard that encloses, shell push up and be loaded on the blinds air-inlet window on the described wallboard all around, and described wallboard links to each other with base, shell top respectively and forms a casing.
Preferably, described base is provided with a plurality of lifting arms of being convenient to lift.The lifting arm is convenient to lift and the gravity balance can keep lifting the time, has improved the fail safe when transformer station sets up.
Preferably, the both sides of described box-type casing are equipped with the two fan doors of splitting.Two fan doors are set are convenient to equipment installation and maintenance in the box-type casing.
Preferably, also be provided with a ventilation blower fan for ventilation and heat in the described box-type casing, the below that described ventilation blower fan is positioned at described shell top links to each other with the cabinet top of parallel networking type photovoltaic inverter.Like this, can not only be to being positioned at the equipment cooling of box-type casing, can also be to parallel networking type photovoltaic inverter heat dissipation ventilation.
Preferably, described box-type casing also is provided with a plurality of air inlets and a plurality of air outlet that the energy rainwater-proof enters.
The utility model also provides a kind of photovoltaic generating system, it comprises at least one solar panel group and at least one road direct current conflux case, its characteristics are, described photovoltaic generating system also comprises aforesaid box inversion integrated transformer substation, and be electrically connected at least one transformer that is incorporated into the power networks that generates electricity by way of merging two or more grid systems with the interior AC switch cubicle output of described box inversion integrated transformer substation, wherein, the input of described DC power distribution cabinet is electrically connected with the output of described box inversion integrated transformer substation each road direct current conflux case outward, and the input of each road direct current conflux case links to each other with each group solar panel group respectively; The output of DC power distribution cabinet links to each other with the input of parallel networking type photovoltaic inverter, and the AC output that described parallel networking type photovoltaic inverter carries out the DC-AC conversion links to each other with AC switch cubicle.
This system is conducive to economy, gathers solar energy in the open air expediently, and combining geographic location carries out distributed, and realizes transforming nearby and output, greatly reduces the power plant construction cost and improves working service efficient.
Preferably, the direct current of described at least one solar panel group is by described at least one road direct current conflux case, being delivered to described DC power distribution cabinet gathers, the direct current that described DC power distribution cabinet will gather, be delivered to the parallel networking type photovoltaic inverter and carry out the DC-AC conversion, then the output AC electricity is to described AC switch cubicle, and the output of described AC switch cubicle links to each other with the described transformer that is incorporated into the power networks and generates electricity by way of merging two or more grid systems.
Preferably, described parallel networking type photovoltaic inverter is the three-phase photovoltaic DC-to-AC converter, employing is the first letter of two words of English control transformer with isolating transformer TC(TC, also be the symbol of the control transformer of electrical standard regulation) single-stage DC-AC converter topology, described parallel networking type photovoltaic inverter carries out the voltage sinusoidal pulse width modulation by IGBT and DSP control chip and realizes that switch change-over exports.IGBT is the english abbreviation of Insulated Gate Bipolar Transistor, and Chinese is igbt.DSP(digital singnal processor) being a kind of microprocessor of uniqueness, is the device of processing bulk information with digital signal.Its operation principle is to receive analog signal, is converted to 0 or 1 digital signal, again digital signal is made amendment, deletes, is strengthened, and in the other system chip analogue data or actual environment form are returned in the numerical data decipher.
Preferably, described photovoltaic generating system also comprises an operating state for the input and output direct voltage of monitoring each loop of DC power distribution cabinet, electric current, photovoltaic DC-to-AC converter, parameter with conversion efficiency and exchanges the supervisory control system of the output current that is incorporated into the power networks that described supervisory control system is furnished with the RS485 communication port for telecommunication.
In the utility model, but above-mentioned optimum condition combination in any on the basis that meets this area general knowledge namely gets each preferred embodiment of the present invention.
Positive progressive effect of the present utility model is: the utility model provides a kind of box inversion integrated transformer substation that factory normalization is produced of being convenient to, can reduce inverter chamber integrated engineering cost, shorten constructionperiod, be suitable for simultaneously installing open-air the dispersion, Installation and Debugging are simple, conveniently moving.
Description of drawings
Fig. 1 is the front view of the transformer station of the utility model one embodiment.
Fig. 2 is along the cutaway view of A-A among Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is photovoltaic generating system structured flowchart of the present utility model.
Embodiment
The below enumerates preferred embodiment, and comes by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
Embodiment 1
As shown in Figure 1 to Figure 3, the utility model provides a kind of box inversion integrated transformer substation to comprise DC power distribution cabinet 1, parallel networking type photovoltaic inverter 2, AC switch cubicle 3, ventilation blower fan 10 and box-type casing 100.DC power distribution cabinet 1, parallel networking type photovoltaic inverter 2, AC switch cubicle 3 are loaded in the box-type casing 100.The direct current that DC power distribution cabinet 1 comes the collection of solar panel group gathers gives parallel networking type photovoltaic inverter 2, and parallel networking type photovoltaic inverter 2 carries out DC-AC conversion output AC electricity to AC switch cubicle 3.
DC power distribution cabinet 1, parallel networking type photovoltaic inverter 2 and AC switch cubicle 3 are mounted on the base 12 of box-type casing 100, and lifting arm 13 and the gravity balance being convenient to lift are arranged on the base 12.
Box-type casing 100 of the present utility model is made of base 12, wallboard 6, door 11, shell top 9, the blinds air-inlet window 8 and the ventilation blower fan 10 that are loaded on the wallboard 6.
The below, top of box-type casing 100 has a plurality of ventilation holes 4.By wallboard 6 and base, shell top from around surround a casing.Wallboard 6 adopts color-steel composite board to make.Be provided with interlayer 7 in the color-steel composite board, such as the heat-insulating foam material that can select economy, can play heat insulation and preservation effect.
The two fan doors 11 of splitting all are equipped with in the both sides of box-type casing 100, are convenient to equipment installation and maintenance in the box-type casing.
Blinds air-inlet window 8 is installed on the wallboard 6, can prevent that rainwater from entering in the box-type casing 100 on the one hand, can also be used for simultaneously ventilating, and guarantees that air can enter in the box-type casing.
The shell top 9 at the top of casing seals with wallboard 6 all around and links to each other, the bottom installing ventilation blower fan 10 on shell top 9.Ventilation blower fan 10 links to each other with the cabinet top of parallel networking type photovoltaic inverter 2, can be to parallel networking type photovoltaic inverter 2 ventilation and heat.In addition, because ventilation blower fan 10 is installed in the box-type casing, therefore can also carries out forced convertion to the box-type casing internal unit and ventilate.
Box-type casing 100 also is provided with air inlet (not shown) and the air outlet (not shown) that the energy rainwater-proof enters.
Arrow among Fig. 1 represents the ventilation trend of box house.Open-air enters box house from blinds air-inlet window 8, and the air of box house enters parallel networking type photovoltaic inverter 2 inside through the ventilating opening on the door-plate of parallel networking type photovoltaic inverter 2 again.Under the draft effect of ventilation blower fan 10, the hot-air of parallel networking type photovoltaic inverter 2 interior generations is discharged to the zone on shell top 9.
The opening direction of ventilation hole 4 down, can prevent that rainwater from entering, air in the shell top 9 can be under 10 effects of ventilation blower fan through the ventilation hole 4 below the shell top 9 discharged to the open air, form thus the air circulation convection current of box house, because air inlet and air outlet have all been taked rainproof measure, can satisfy the open air use rainproof function of whole box inversion integrated transformer substation simultaneously.
Embodiment 2
Figure 4 shows that the structured flowchart based on the photovoltaic generating system of above-mentioned box inversion integrated transformer substation.As shown in Figures 1 to 4, photovoltaic generating system of the present utility model is by one or more groups solar panel group 21, one or more direct current conflux case 22 and box inversion integrated transformer substation, and be located at the outer transformer 23 that is incorporated into the power networks of box inversion integrated transformer substation and form.The direct current of solar panel group 21 is connected to DC power distribution cabinet 1 after by one or more direct current conflux case 22 and gathers, after the direct current of DC power distribution cabinet 1 gathers, be connected to parallel networking type photovoltaic inverter 2 and carry out the DC-AC conversion, then the output AC electricity is given AC switch cubicle 3.Wherein, the input of DC power distribution cabinet 1 is electrically connected with the output of box inversion integrated transformer substation multi-channel DC header box 22 outward, and the input of direct current conflux case 22 links to each other with solar panel group 21; The output of DC power distribution cabinet 1 links to each other with the input of parallel networking type photovoltaic inverter 2, the AC output for carrying out the DC-AC conversion of parallel networking type photovoltaic inverter 2 links to each other with AC switch cubicle 3, the output of AC switch cubicle 3 links to each other with the box inversion integrated transformer substation transformer 23 that is incorporated into the power networks outward, generates electricity by way of merging two or more grid systems.
Parallel networking type photovoltaic inverter 2 is the three-phase photovoltaic DC-to-AC converter, adopts the single-stage DC-AC converter topology with isolating transformer TC, and parallel networking type photovoltaic inverter 2 carries out voltage sinusoidal pulse width modulation (SPWM) by IGBT and DSP control chip and realizes switch change-over output.
Photovoltaic generating system of the present utility model also comprises a supervisory control system, operating state, parameter and the conversion efficiency of the input and output direct voltage in each loop of monitoring DC power distribution cabinet, electric current, parallel networking type photovoltaic inverter, reach and exchange the output current that is incorporated into the power networks, the RS485 communication port of being furnished with standard, and can carry out telecommunication.
The utility model not only is convenient to the box inversion integrated transformer substation that factory normalization is produced, and can reduce inverter chamber integrated engineering cost, shorten constructionperiod, also is suitable for simultaneously installing open-air the dispersion, and Installation and Debugging are simple, conveniently moving.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.

Claims (10)

1. a box inversion integrated transformer substation is characterized in that it includes a box-type casing, and places in the described box-type casing and the DC power distribution cabinet, a grid type photovoltaic DC-to-AC converter, the AC switch cubicle that are electrically connected successively; Wherein, the direct current that described DC power distribution cabinet comes the collection of solar panel group gathers gives the parallel networking type photovoltaic inverter, and described parallel networking type photovoltaic inverter carries out DC-AC conversion output AC electricity to AC switch cubicle.
2. box inversion integrated transformer substation as claimed in claim 1, it is characterized in that, described box-type casing comprises that a base, the wallboard that encloses, shell push up and be loaded on the blinds air-inlet window on the described wallboard all around, and described wallboard links to each other with base, shell top respectively and forms a casing.
3. box inversion integrated transformer substation as claimed in claim 2 is characterized in that, described base is provided with a plurality of lifting arms of being convenient to lift.
4. box inversion integrated transformer substation as claimed in claim 2 is characterized in that, the both sides of described box-type casing are equipped with the two fan doors of splitting.
5. box inversion integrated transformer substation as claimed in claim 2 is characterized in that, also is provided with a ventilation blower fan for ventilation and heat in the described box-type casing, and the below that described ventilation blower fan is positioned at described shell top links to each other with the cabinet top of parallel networking type photovoltaic inverter.
6. such as the described box inversion integrated transformer substation of any one in the claim 1 to 5, it is characterized in that described box-type casing also is provided with a plurality of air inlets and a plurality of air outlet that the energy rainwater-proof enters.
7. photovoltaic generating system, it comprises at least one solar panel group and at least one road direct current conflux case, it is characterized in that, described photovoltaic generating system also comprises such as the described box inversion integrated transformer substation of any one in the claim 1 to 6, and be electrically connected at least one transformer that is incorporated into the power networks that generates electricity by way of merging two or more grid systems with the interior AC switch cubicle output of described box inversion integrated transformer substation, wherein, the input of described DC power distribution cabinet is electrically connected with the output of described box inversion integrated transformer substation each road direct current conflux case outward, and the input of each road direct current conflux case links to each other with each group solar panel group respectively; The output of DC power distribution cabinet links to each other with the input of parallel networking type photovoltaic inverter, and the AC output that described parallel networking type photovoltaic inverter carries out the DC-AC conversion links to each other with AC switch cubicle.
8. photovoltaic generating system as claimed in claim 7, it is characterized in that, the direct current of described at least one solar panel group is by described at least one road direct current conflux case, being delivered to described DC power distribution cabinet gathers, the direct current that described DC power distribution cabinet will gather, be delivered to the parallel networking type photovoltaic inverter and carry out the DC-AC conversion, then the output AC electricity is to described AC switch cubicle, and the output of described AC switch cubicle links to each other with the described transformer that is incorporated into the power networks and generates electricity by way of merging two or more grid systems.
9. photovoltaic generating system as claimed in claim 8, it is characterized in that, described parallel networking type photovoltaic inverter is the three-phase photovoltaic DC-to-AC converter, employing is with the single-stage DC-AC converter topology of isolating transformer TC, and described parallel networking type photovoltaic inverter carries out the voltage sinusoidal pulse width modulation by IGBT and DSP control chip and realizes switch change-over output.
10. photovoltaic generating system as claimed in claim 9, it is characterized in that, described photovoltaic generating system also comprises an operating state for the input and output direct voltage of monitoring each loop of DC power distribution cabinet, electric current, photovoltaic DC-to-AC converter, parameter with conversion efficiency and exchanges the supervisory control system of the output current that is incorporated into the power networks that described supervisory control system is furnished with the RS485 communication port for telecommunication.
CN2012204961818U 2012-09-26 2012-09-26 Box-type inversion integrated substation and photovoltaic power generation system Expired - Fee Related CN202797708U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012204961818U CN202797708U (en) 2012-09-26 2012-09-26 Box-type inversion integrated substation and photovoltaic power generation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012204961818U CN202797708U (en) 2012-09-26 2012-09-26 Box-type inversion integrated substation and photovoltaic power generation system

Publications (1)

Publication Number Publication Date
CN202797708U true CN202797708U (en) 2013-03-13

Family

ID=47824891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012204961818U Expired - Fee Related CN202797708U (en) 2012-09-26 2012-09-26 Box-type inversion integrated substation and photovoltaic power generation system

Country Status (1)

Country Link
CN (1) CN202797708U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776936A (en) * 2015-03-25 2015-07-15 正泰电气股份有限公司 Distributed low-voltage electric connection joint online temperature-measuring system based on ZigBee technology
CN106689010A (en) * 2016-12-08 2017-05-24 中国水产科学研究院淡水渔业研究中心 Light-complementary leech culture system and method for culturing leeches
CN107706942A (en) * 2017-11-10 2018-02-16 国网四川省电力公司自贡供电公司 Family expenses photovoltaic generation microgrid transformer substation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776936A (en) * 2015-03-25 2015-07-15 正泰电气股份有限公司 Distributed low-voltage electric connection joint online temperature-measuring system based on ZigBee technology
CN106689010A (en) * 2016-12-08 2017-05-24 中国水产科学研究院淡水渔业研究中心 Light-complementary leech culture system and method for culturing leeches
CN107706942A (en) * 2017-11-10 2018-02-16 国网四川省电力公司自贡供电公司 Family expenses photovoltaic generation microgrid transformer substation system

Similar Documents

Publication Publication Date Title
CN202797708U (en) Box-type inversion integrated substation and photovoltaic power generation system
CN202772654U (en) Controller for photovoltaic power generation and municipal power grid concurrent complementary application
CN202954588U (en) Preassembled photovoltaic inversion container
CN204885964U (en) Photovoltaic case becomes with contravariant function of stepping up
CN102324864B (en) Three-phase grid-connected inverter unit
CN103280705A (en) Multifunctional integration photovoltaic power generation device
CN104485885A (en) Integrated control device applied to distributed photovoltaic power generation system
CN203760866U (en) Integrated cabinet of photovoltaic power generation system
CN205070817U (en) Novel solar energy grid -connected inverter
CN204244173U (en) A kind of integrated control unit being applied to distributed photovoltaic power generation system
CN211183778U (en) Integrated structure compact type high-voltage frequency converter
CN211183805U (en) Integrated structure compact type high-voltage frequency converter
CN205051559U (en) Wind power converter cabinet
CN209472593U (en) A kind of distributed photovoltaic structure applied to power matching network
CN201750060U (en) Box-type substation box body
CN209461834U (en) A kind of air type ring network cabinet
CN203069628U (en) Dry intelligent load box with novel structure
CN204899317U (en) Good heat dissipation's compact photovoltaic contravariant room
CN204089718U (en) A kind of novel highly compact type photovoltaic booster stations
CN204190667U (en) A kind of concentrated inversion transformation pattern photovoltaic generation the complete sets of equipment
CN204376685U (en) A kind of static frequency convertor cabinet
CN204733086U (en) Box flexible direct current converter valve device
CN204243785U (en) A kind of distributed photovoltaic power generation micro-grid system
CN211670835U (en) Cross axle type random heat management photovoltaic power generation combiner box
CN210723870U (en) Exchange metal enclosed ring net switchgear

Legal Events

Date Code Title Description
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Box-type inversion integrated substation and photovoltaic power generation system

Effective date of registration: 20140325

Granted publication date: 20130313

Pledgee: Bank of Hankou Limited by Share Ltd. Xiangyang branch

Pledgor: HUBEI SURPASS SUN ELECTRIC Co.,Ltd.

Registration number: 2014990000198

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20150423

Granted publication date: 20130313

Pledgee: Bank of Hankou Limited by Share Ltd. Xiangyang branch

Pledgor: HUBEI SURPASS SUN ELECTRIC Co.,Ltd.

Registration number: 2014990000198

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20210926