CN208835818U - A kind of photovoltaic intelligent distribution system - Google Patents
A kind of photovoltaic intelligent distribution system Download PDFInfo
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- CN208835818U CN208835818U CN201820801759.3U CN201820801759U CN208835818U CN 208835818 U CN208835818 U CN 208835818U CN 201820801759 U CN201820801759 U CN 201820801759U CN 208835818 U CN208835818 U CN 208835818U
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- inverter
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- 238000004146 energy storage Methods 0.000 claims description 26
- 238000010248 power generation Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000005417 food ingredient Substances 0.000 claims description 4
- 235000013324 preserved food Nutrition 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000008358 core component Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000007600 charging Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010616 electrical installation Methods 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model belongs to photovoltaic system technical field, more particularly to a kind of photovoltaic intelligent distribution system, the photovoltaic module ac converter is output in ac bus, the direct current supply of described ac bus one end is in load, the ac bus other end can be output in battery group with DC inversion, the battery group can also be switched with ac converter is output in ac bus, the utility model, which solves the problems, such as that the prior art exists, can not maximumlly utilize photovoltaic energy and realize stable Alternating Current Power Supply, photovoltaic energy is utilized with maximized, stability fundamental is provided for photovoltaic power supply, meet the power capacity demand of multiplicity, the advantageous effects flexibly expanded.
Description
Technical field
The utility model belongs to photovoltaic system technical field more particularly to a kind of photovoltaic intelligent distribution system.
Background technique
Domestic conventional off-network type photovoltaic system, generally issues direct current by photovoltaic module, then pass through charging-discharging controller
To battery charging.Then pass through off-network inverter for load supplying, is alternating current realization by the DC inverter of battery, it is existing
The problem of can not maximumlly utilizing photovoltaic energy with the presence of technology and realize stable Alternating Current Power Supply.
Summary of the invention
The utility model provides a kind of photovoltaic intelligent distribution system, to solve to propose the prior art in above-mentioned background technique
There are problems that maximumlly utilizing photovoltaic energy and realizes stable Alternating Current Power Supply.
The technical problem solved by the utility model is implemented by the following technical solutions: a kind of photovoltaic intelligent power distribution system
System, including photovoltaic module, the photovoltaic module ac converter are output in ac bus, the direct current supply of described ac bus one end in
Load, the ac bus other end can be output in battery group with DC inversion, and the battery group can also be with ac converter
Switching is output in ac bus.
Further, the photovoltaic module is connected to ac bus, the exchange through the ac converter output of photovoltaic DC-to-AC converter
The bus other end can be output in battery group through two-way inverter side DC inversion, and the battery group can also be through two-way
Ac converter switching in the inverter other side is output in ac bus.
Further, the intelligent distribution system further includes diesel-driven generator, and the diesel-driven generator is through two-way inverter control
System power supply is output in two-way inverter.
Further, SUNNY remote controllers built in the two-way inverter, the SUNNY remote controllers control output
In diesel-driven generator.
Further, if photovoltaic DC-to-AC converter supply load is insufficient, system is switched by battery group DC inversion through exchanging
Bussed supply is in load.
Further, the photovoltaic module automatically controls battery and inverter collection by the relay interface of its automatic control function
The cooling system of vanning.
Further, the photovoltaic module through photovoltaic DC-to-AC converter ac converter output be connected to ac bus formed power generation it is inverse
Become module, the ac bus other end can be output in battery group, the electric power storage through two-way inverter side DC inversion
Pond group can also switch through two-way inverter other side ac converter is output in ac bus formation energy storage inverter module, the hair
Electric inverter module and energy storage inverter module can be extended with the modularization of container-type.
Further, the ac bus also can access other generating equipments, other described generating equipments include diesel generation
Machine, wind-driven generator, heat exchanger, water conservancy generator.
Further, the ac converter switching and diesel-driven generator power switching are all made of no breakpoint switching.
Advantageous effects:
1, this patent is output in ac bus using the photovoltaic module ac converter, and described ac bus one end direct current supplies
For electricity in load, the ac bus other end can be output in battery group with DC inversion, and the battery group can also exchange
Inversion switching is output in ac bus, due to that can be communicated with two-way inverter, and realize intelligent control photo-voltaic power supply with
The seamless switching of diesel-generator power sources, its working principle is that photovoltaic array converts solar energy in the case where there is preferable illumination
For direct current energy, by photovoltaic DC-to-AC converter by DC inverter at 400V alternating current.At this point it is possible to be preferably load supplying,
Can be simultaneously by two-way inverter to the battery charging of energy-storage units, in unglazed or dim light, photovoltaic DC-to-AC converter is supplied
Electric load is insufficient, and system can be powered automatically by two-way inverter by energy-storage units.Also photovoltaic DC-to-AC converter and storage may be implemented
Energy unit powers to the load jointly, maximumlly utilizes photovoltaic energy, provides stability fundamental for photovoltaic power supply.
2, this patent further includes diesel-driven generator using the intelligent distribution system, and the diesel-driven generator is through two-way inversion
Device control power supply is output in two-way inverter, SUNNY remote controllers built in the two-way inverter, and the SUNNY is remotely controlled
Device control processed is output in diesel-driven generator, due to that can be communicated with two-way inverter, and realizes intelligent control photo-voltaic power supply
With the seamless switching of diesel-generator power sources.Have expansible energy-storage units interface, meets the power capacity demand of multiplicity.
3, this patent realizes exchange altogether, stable Alternating Current Power Supply not only may be implemented by ac bus technology, can also be with
Realize flexible expand.
4, this patent photovoltaic DC-to-AC converter, the core component of photovoltaic generating system are responsible for direct current to be converted to alternating current, are supplied
AC load uses.In order to improve the overall performance of photovoltaic generating system, guarantee the operation steady in a long-term in power station, the property of inverter
Energy index is extremely important, and two-way inverter is energy-storage system core component, can to charge the battery, also can be by battery
DC inverter is that alternating current is load supplying, mainly large capacity, high performance battery group, and main task is energy storage,
So as in night or proof load electricity consumption rainy days.
5, this patent automatically controls battery and inversion by the relay interface of its automatic control function using the photovoltaic module
The cooling system of device container, due in addition, inverter module it is powerful.Two-way inverter can automatically detect photovoltaic load
Voltage, electric current with Sunny Tripower inverter be jointly load supplying, ensure that low light condition does not abandon light, maximumlly
Utilize photovoltaic energy.It is further equipped with automatic control interface (relay interface), and the automatic control function of multiplicity may be implemented.For example, can
To automatically control the cooling system of battery and inverter container by relay interface.
6, this patent is connected to ac bus through the ac converter output of photovoltaic DC-to-AC converter using the photovoltaic module and is formed
Power-generation inversion module, the ac bus other end can be output in battery group, institute through two-way inverter side DC inversion
Ac bus formation energy storage inverter module can also be output in through the switching of two-way inverter other side ac converter by stating battery group,
The power-generation inversion module and energy storage inverter module can be extended with the modularization of container-type, due to the power generation list of this set system
Member, inversion unit, energy-storage units, are all made of modularized design, and system building is convenient, flexible.System schema calculating finishes
The module group pair for realizing container-type, quickly forms complete system, it is possible to reduce the conceptual design time.In addition, single set system
The capacity of system can also be configured to maximum 225KWp, very flexibly, Ke Yiman from the smallest 50KWp according to the requirement of client
The power demand of a variety of conditions of foot, this set system use container-type modularized design, it is possible to reduce the most of electrical peace in scene
It fills, the workload of civil construction, shortens the duration of site operation, have feature quick, conveniently, flexibly.
7, this patent at home, the Modular photovoltaic system of external this container-type it is less, most system is still
It is so the scheme that first designs, then carries out the installation of each system equipment at the scene, it is still necessary to there is more civilwork engineering quantity,
Expenditure of construction, installation period are intended to bigger than our system more, and the duration is greatly reduced by easily installing in this system.
8, this patent also can access other generating equipments using the ac bus, other described generating equipments include diesel oil
Generator, wind-driven generator, heat exchanger, water conservancy generator realize the expansion of flexible power generation type.
10, this patent photovoltaic system performance is stable, powerful, and overall performance reaches advanced international level, wherein
The two-way inverter of Sunny Island is also equipped with brilliant seamless power and cuts in addition to having the rectification of conventional high-performance, inversion function
Change function.Switching without breakpoint for diesel-driven generator or alternating current and photo-voltaic power supply may be implemented by this function, greatly guarantee
The stability of power supply.At home, the similar product for having the function only has a few producer may be implemented, and expensive.
Most domestic product, still realizes switching using double power supply converting switch or contactor, and this switching mode has obviously
Mechanical action influence to power once convert failed be easy to cause switch short or device powers down.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of photovoltaic intelligent distribution system of the utility model；
Fig. 2 is a kind of generating equipment expansion structure schematic diagram of photovoltaic intelligent distribution system of the utility model；
Fig. 3 is a kind of power switching structural schematic diagram of photovoltaic intelligent distribution system of the utility model.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
In figure:
1- photovoltaic module, 2- ac bus, 3- load, 4- battery group, 5- photovoltaic DC-to-AC converter, the two-way inverter of 6-, 7-
Diesel-driven generator, 8-SUNNY remote controllers, 9- wind-driven generator, 10- heat exchanger, 11- water conservancy generator；
In the case that if S101- photovoltaic module has preferable illumination；
DC inverter that solar energy is converted is preferably load by ac bus at alternating current by S102- photovoltaic DC-to-AC converter
Power supply；
S103- passes through two-way inverter to battery charging simultaneously；
If in the case that S104- photovoltaic module is without preferable illumination and photovoltaic DC-to-AC converter supply load is insufficient；
The two-way inverter of S105- automatically switches battery group powers through ac bus；
S106- simultaneously can also be common through two-way inverter and photovoltaic DC-to-AC converter respectively with photovoltaic module by battery group
It is powered to the load by ac bus.
Embodiment:
The present embodiment: as shown in Figure 1, a kind of photovoltaic intelligent distribution system, including photovoltaic module 1, the photovoltaic module 1 are handed over
Stream inversion is output in ac bus 2, and in load 3,2 other end of ac bus can for 2 one end direct current supply of ac bus
It is output in battery group 4 with DC inversion, the battery group 4 can also be switched with ac converter is output in ac bus 2.
Due to being output in ac bus using the photovoltaic module ac converter, the direct current supply of described ac bus one end in
Load, the ac bus other end can be output in battery group with DC inversion, and the battery group can also be with ac converter
Switching is output in ac bus, due to that can be communicated with two-way inverter, and realizes intelligent control photo-voltaic power supply and diesel oil
The seamless switching of generator power supply, its working principle is that photovoltaic array converts the solar into directly in the case where there is preferable illumination
Galvanic electricity energy, by photovoltaic DC-to-AC converter by DC inverter at 400V alternating current.It, can also be at this point it is possible to be preferably load supplying
The battery by two-way inverter to energy-storage units charges simultaneously, and in unglazed or dim light, photovoltaic DC-to-AC converter power supply is negative
Lotus is insufficient, and system can be powered automatically by two-way inverter by energy-storage units.Also photovoltaic DC-to-AC converter and energy storage list may be implemented
Member powers to the load jointly, maximumlly utilizes photovoltaic energy, provides stability fundamental for photovoltaic power supply.
The photovoltaic module 1 is connected to ac bus 2, the ac bus 2 through the ac converter output of photovoltaic DC-to-AC converter 5
The other end can be output in battery group 4 through two-way 6 side DC inversion of inverter, and the battery group 4 can also be through two-way
The switching of 6 other side ac converter of inverter is output in ac bus 2.
Due to realizing exchange altogether, stable Alternating Current Power Supply not only may be implemented, also may be implemented by ac bus technology
It is flexible to expand.
As shown in figure 3, the intelligent distribution system further includes diesel-driven generator 7, the diesel-driven generator 7 is through two-way inversion
The control power supply of device 6 is output in two-way inverter 6.
SUNNY remote controllers 8 built in the two-way inverter 6, the control of SUNNY remote controllers 8 are output in bavin
Fry dried food ingredients motor 7.
Due to further including diesel-driven generator using the intelligent distribution system, the diesel-driven generator is through two-way inverter control
System power supply is output in two-way inverter, SUNNY remote controllers built in the two-way inverter, the SUNNY remote controllers
Control is output in diesel-driven generator, due to that can be communicated with two-way inverter, and realizes intelligent control photo-voltaic power supply and bavin
The seamless switching of fry dried food ingredients motor power.Have expansible energy-storage units interface, meets the power capacity demand of multiplicity.
If 5 supply load of photovoltaic DC-to-AC converter is insufficient, system is switched by 4 DC inversion of battery group through ac bus 2
It is powered at load 3.
Due to photovoltaic DC-to-AC converter, the core component of photovoltaic generating system is responsible for direct current to be converted to alternating current, for exchange
Load uses.In order to improve the overall performance of photovoltaic generating system, guarantee the operation steady in a long-term in power station, the performance of inverter refers to
To mark extremely important, two-way inverter is energy-storage system core component, can to charge the battery, it also can be by the direct current of battery
Electric inversion is that alternating current is load supplying, mainly large capacity, high performance battery group, and main task is energy storage, so as to
In night or proof load electricity consumption rainy days.
The photovoltaic module 1 automatically controls battery and inverter container by the relay interface of its automatic control function
Cooling system.
Due to automatically controlling battery and inverter collection by the relay interface of its automatic control function using the photovoltaic module
The cooling system of vanning, due in addition, inverter module it is powerful.Two-way inverter can automatically detect the electricity of photovoltaic load
Pressure, electric current are jointly load supplying with Sunny Tripower inverter, ensure that low light condition does not abandon light, maximized to utilize
Photovoltaic energy.It is further equipped with automatic control interface (relay interface), and the automatic control function of multiplicity may be implemented.For example, can lead to
Relay interface is crossed, the cooling system of battery and inverter container is automatically controlled.
The photovoltaic module 1 is connected to ac bus 2 through the ac converter output of photovoltaic DC-to-AC converter 5 and forms power-generation inversion mould
Block, 2 other end of ac bus can be output in battery group 4, the battery through two-way 6 side DC inversion of inverter
Group 4 can also switch through two-way 6 other side ac converter of inverter is output in the formation energy storage inverter module of ac bus 2, described
Power-generation inversion module and energy storage inverter module can be extended with the modularization of container-type.
Power generation is formed due to being connected to ac bus through the ac converter output of photovoltaic DC-to-AC converter using the photovoltaic module
Inverter module, the ac bus other end can be output in battery group, the storage through two-way inverter side DC inversion
Battery pack can also switch through two-way inverter other side ac converter is output in ac bus formation energy storage inverter module, described
Power-generation inversion module and energy storage inverter module can be extended with the modularization of container-type, due to the generator unit of this set system,
Inversion unit, energy-storage units, are all made of modularized design, and system building is convenient, flexible.System schema calculating finishes, Ji Keshi
The module group pair of existing container-type, quickly forms complete system, it is possible to reduce the conceptual design time.In addition, single set system
Capacity can also be configured to maximum 225KWp according to the requirement of client from the smallest 50KWp, very flexibly, can satisfy
The power demand of a variety of conditions, this set system use container-type modularized design, it is possible to reduce the most of electrical installation in scene,
The workload of civil construction shortens the duration of site operation, has feature quick, conveniently, flexibly.
At home, the Modular photovoltaic system of external this container-type is less, and most system is still first to set
Scheme has been counted, has then carried out the installation of each system equipment at the scene, it is still necessary to have more civilwork engineering quantity, in building expense
It is intended to, installation period bigger than our system more, the duration is greatly reduced by easily installing in this system.
As shown in Fig. 2, the ac bus 2 also can access other generating equipments, other described generating equipments include diesel oil
Generator 7, wind-driven generator 9, heat exchanger 10, water conservancy generator 11.
Due to also can access other generating equipments using the ac bus, other described generating equipments include diesel generation
Machine, wind-driven generator, heat exchanger, water conservancy generator realize the expansion of flexible power generation type.
The ac converter switching and 7 power switching of diesel-driven generator are all made of no breakpoint switching.
Since photovoltaic system performance is stable, powerful, overall performance reaches advanced international level, wherein Sunny
The two-way inverter of Island is also equipped with brilliant seamless power switching function in addition to having the rectification of conventional high-performance, inversion function
Energy.Switching without breakpoint for diesel-driven generator or alternating current and photo-voltaic power supply may be implemented by this function, greatly guarantee power supply
Stability.At home, the similar product for having the function only has a few producer may be implemented, and expensive.It is domestic
Most of product, still realizes switching using double power supply converting switch or contactor, and this switching mode has apparent machine
Tool movement, once convert failed be easy to cause switch short or device powers down, influences to power.
Working principle:
This patent is output in ac bus, the direct current supply of described ac bus one end by the photovoltaic module ac converter
In load, the ac bus other end can be output in battery group with DC inversion, and the battery group can also exchange inverse
Become switching and be output in ac bus, due to that can be communicated with two-way inverter, and realizes intelligent control photo-voltaic power supply and bavin
The seamless switching of fry dried food ingredients motor power, its working principle is that photovoltaic array is converted the solar into the case where there is preferable illumination
Direct current energy, by photovoltaic DC-to-AC converter by DC inverter at 400V alternating current.At this point it is possible to be preferably load supplying, it can also
It is charged with the battery simultaneously by two-way inverter to energy-storage units, in unglazed or dim light, photovoltaic DC-to-AC converter power supply
Underload, system can be powered automatically by two-way inverter by energy-storage units.Also photovoltaic DC-to-AC converter and energy storage may be implemented
Unit powers to the load jointly, and the utility model, which solves prior art presence, can not maximumlly utilize photovoltaic energy and realization
The problem of stable Alternating Current Power Supply, has and maximumlly utilizes photovoltaic energy, and it is more to provide stability fundamental, satisfaction for photovoltaic power supply
The power capacity demand of sample, the advantageous effects flexibly expanded.
Using the technical solution of the utility model or those skilled in the art technical solutions of the utility model inspiration
Under, similar technical solution is designed, and reach above-mentioned technical effect, it is to fall into the protection scope of the utility model.
Claims (8)
1. a kind of photovoltaic intelligent distribution system, which is characterized in that including photovoltaic module, the photovoltaic module ac converter is output in
Ac bus, the direct current supply of described ac bus one end are output in electric power storage in load, the ac bus other end DC inversion
Pond group or ac converter switching are output in ac bus, and the photovoltaic module is connected to through the ac converter output of photovoltaic DC-to-AC converter
Ac bus, the ac bus other end can be output in battery group, the storage through two-way inverter side DC inversion
Battery pack can also switch through two-way inverter other side ac converter is output in ac bus.
2. a kind of photovoltaic intelligent distribution system according to claim 1, which is characterized in that the intelligent distribution system also wraps
Diesel-driven generator is included, the diesel-driven generator is output in two-way inverter through the power supply of two-way inverter control.
3. a kind of photovoltaic intelligent distribution system according to claim 2, which is characterized in that built in the two-way inverter
SUNNY remote controllers, the SUNNY remote controllers control are output in diesel-driven generator.
4. a kind of photovoltaic intelligent distribution system according to claim 1, which is characterized in that if photovoltaic DC-to-AC converter supply load
Deficiency, then system is switched by battery group DC inversion is powered at load through ac bus.
5. a kind of photovoltaic intelligent distribution system according to claim 3, which is characterized in that the photovoltaic module passes through it certainly
The relay interface for controlling function automatically controls the cooling system of battery and inverter container.
6. a kind of photovoltaic intelligent distribution system according to claim 1, which is characterized in that the photovoltaic module is inverse through photovoltaic
The ac converter output for becoming device is connected to ac bus and forms power-generation inversion module, and the ac bus other end is through two-way inversion
Device side DC inversion is output in battery group or is output in ac bus shape through the switching of two-way inverter other side ac converter
At energy storage inverter module, the power-generation inversion module and energy storage inverter module can be extended with the modularization of container-type.
7. a kind of photovoltaic intelligent distribution system according to claim 3, which is characterized in that the ac bus also can access
Other generating equipments, other described generating equipments include diesel-driven generator, wind-driven generator, heat exchanger, water conservancy generator.
8. a kind of photovoltaic intelligent distribution system according to claim 7, which is characterized in that the ac converter switching and bavin
Fry dried food ingredients motor power switching is all made of no breakpoint switching.
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| CN201820801759.3U CN208835818U (en) | 2018-05-28 | 2018-05-28 | A kind of photovoltaic intelligent distribution system |
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| CN201820801759.3U CN208835818U (en) | 2018-05-28 | 2018-05-28 | A kind of photovoltaic intelligent distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565951A (en) * | 2018-05-28 | 2018-09-21 | 南方创业（天津）科技发展有限公司 | A kind of photovoltaic intelligent distribution system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565951A (en) * | 2018-05-28 | 2018-09-21 | 南方创业（天津）科技发展有限公司 | A kind of photovoltaic intelligent distribution system and method |
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