CN103346611A - Modularized photovoltaic inverter control all-in-one machine - Google Patents
Modularized photovoltaic inverter control all-in-one machine Download PDFInfo
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- CN103346611A CN103346611A CN2013102991451A CN201310299145A CN103346611A CN 103346611 A CN103346611 A CN 103346611A CN 2013102991451 A CN2013102991451 A CN 2013102991451A CN 201310299145 A CN201310299145 A CN 201310299145A CN 103346611 A CN103346611 A CN 103346611A
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- module
- inversion
- central control
- bypass
- rectification
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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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- 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
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Abstract
The invention provides a modularized photovoltaic inverter control all-in-one machine comprising inverter modules, a central control module, a bypass external electric switch module and an outer shell. The machine is characterized by further comprising a rectification module and an upper computer communication module. The inverter modules and the rectification module are fixed at the bottom of the outer shell side by side through fixing bolts. The central control module and the upper computer communication module are fixed on the upper sides of the inverter modules and the upper side of the rectification module, the inverter modules and the central control module are correspondingly fixed, the rectification module and the upper computer communication module are fixed correspondingly, each inverter module comprises N inverter units, and N is larger than or equal to 1. A plurality of the small-capacity inverter modules are combined to take the place of a large-capacity inverter so as to improve convenience of transportation, installation and after-sale services and high supportability of inverter power supply. Meanwhile, reliability of the inverter power supply of a system is greatly improved, especially in an emergency, and the machine can at least guarantee power supply capacity of partial small-capacity inverter modules.
Description
Technical field
The present invention relates to the photo-voltaic power supply field, especially a kind of inversion control all-in-one of modularized design.
Background technology
In the high altitude localities; the ground observation building site; during no man's land such as isolated island operation; because can facing usually, the influence of environment do not have electric lacking; communication does not freely wait difficulty; present solution adopts diesel generating set generating or solar energy to power from the net electricity generation system more; but diesel generating set fuel used to generate electricity difficulty of transportation; the cost height; consume big; pollute high; noise is big; and in traveling process, need to carry a plurality of oil tanks or set up corresponding supply circuit, therefore can't reach the sustainable development requirement of low-carbon (LC), and the wind and solar hybrid generating system of fixed installation formula; though adopt sustainable clean energy resource that electric power is provided; but its mobility is relatively poor, and volume is bigger, the after-sales service inconvenience; simultaneously in order to satisfy overcast and rainy and use evening; great majority all can dispose a considerable amount of energy-storage batteries, because the cost of energy-storage battery is very high, very uneconomical.Problems such as comprehensive the problems referred to above find, when operation from far-off regions, must overcome equipment energy-storage battery cost height, the inverter volume is not easy to transportation greatly, and electric power safeguard difference and maintenance difficulties be big behind the field failure.
Summary of the invention
According to above technical problem, the invention provides a kind of modularization photovoltaic inversion control all-in-one, comprise inversion module, Central Control Module, TURP module outside the roadside, shell, it is characterized in that also comprising rectification module, the host computer communication module, described inversion module and rectification module are fixed on outer casing bottom side by side by set bolt, described Central Control Module and host computer communication module are fixed on inversion module and rectification module upside, described inversion module and Central Control Module are corresponding fixing, rectification module and host computer communication module are corresponding fixing, described inversion module comprises N inversion unit, N 〉=1, described rectification module inside comprises the bypass switch unit, bypass emergent charging AC/DC converter unit; The ac output end of described rectification module is connected with inversion module by power cable, and dc output end is connected with Central Control Module by power cable; The output of described inversion module and rectification module internal bypass switch unit are by being connected by power cable; The input of photovoltaic charged unit is connected with the ambient light photovoltaic assembly by power cable in the described Central Control Module, output is connected with batteries by power cable, and the output of described Central Control Module internal bypass emergent charging administrative unit links to each other with the interior bypass emergent charging AC/DC converter unit of rectification module; Described host computer communication module is connected with inversion module, rectification module, Central Control Module by the Control on Communication bus.
Described inversion module direct-flow input end all is connected with batteries by power cable, the N line of output links together by power cable, the L line of output, the alternating current of 220VAC is formed in the parallel operation that both can connect together, can export L line tap again, become the three-phase alternating current at 120 ° of phase angles each other.
Described rectification module is when inversion module 1 DC input voitage under-voltage protection; switch single work by bypass; the interchange of inversion module is outputted to the interchange output of rectification module 2, determines by Central Control Module whether bypass emergent charging AC/DC converter unit works simultaneously.
During described Central Control Module operate as normal, by charging and overcharge management in photovoltaic charged unit; Storage battery is crossed when putting, and by the bypass emergent charging administrative unit of Central Control Module, determines the bypass emergent charging AC/DC change unit of whether opening rectification module to come work according to client's loading condition.
Beneficial effect of the present invention is: the present invention makes up to substitute big capacity inverter with a plurality of low capacity inversion modules, with the convenience of raising transportation, installation and after-sale service and the high protection of inversion power supply, simultaneously the inversion power supply reliability of system is increased substantially, particularly in case of emergency, can guarantee low capacity part power supply capacity at least; Central Control Module of the present invention is made up of photovoltaic charged unit and bypass emergent charging management function, has solved the managing controlled problem of dispatch from foreign news agency charging; Rectifier module of the present invention is made up of bypass switch unit and bypass emergent charging AC/DC converter unit, this configuration mode has reduced the complexion amount of the energy storage battery of electricity generation system, has also solved from the high problem of the one-time investment cost of net photovoltaic plant simultaneously.The user can be according to own electricity consumption situation and economic ability to take the burden in use for product after the present invention improves, freely select compound mode, client's adaptability is strong like this, economy is relatively good again simultaneously, two kinds of energy, three kinds of power supply safeguard ways are provided simultaneously, and namely the rectification charging of the supply power mode of photovoltaic generation behind inversion module, interlocking switching mode that externally fed is powered through bypass and inversion, externally fed is through the supply power mode of inversion module.The present invention has increased upper computer module, can be applied to the power supply place that some nobody garrison, and personnel just can understand the supply of electric power situation of garrisoning ground in remote position, and the staff needn't garrison in the open air, and is practical especially for the place that the field is arduouser.
Description of drawings
Fig. 1 is function combination assumption diagram of the present invention;
Fig. 2 is function combinatorial principle figure of the present invention;
Fig. 3 is the functional unit schematic diagram of single-phase alternating current parallel operation inversion module of the present invention;
Fig. 4 is the functional unit schematic diagram of the inversion module of three-phase alternating current parallel operation of the present invention;
Fig. 5 is the functional unit schematic diagram of rectification module of the present invention;
Fig. 6 is the functional unit schematic diagram of Central Control Module of the present invention.
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, inversion module 1, rectification module 2, Central Control Module 3, host computer communication module 4, housing 5, inversion unit 6, bypass switch unit 7, bypass emergent charging AC/DC converter unit 8, photovoltaic charged unit 9, bypass emergent charging administrative unit 10.
Embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the present invention is further specified: modularization photovoltaic inversion control all-in-one, inversion module 1, rectification module 2, Central Control Module 3, host computer communication module 4, housing 5, inversion unit 6, bypass switch unit 7, bypass emergent charging AC/DC converter unit 8, photovoltaic charged unit 9, bypass emergent charging administrative unit 10, at first 3 inversion units 6 to be installed in inversion module 1 during installation, rectification module 2 inner bypass switch unit 7, the bypass emergent charging AC/DC converter units 8 installed; Then inversion module 1 and rectification module 2 are fixed on shell 5 bottoms side by side by set bolt, Central Control Module 3 and host computer communication module 4 are fixed on inversion module 1 and rectification module 2 upsides, inversion module 1 and center 3 correspondences of control mould are fixed, rectification module 2 and host computer communication module 4 are corresponding fixing, ac output end with rectification module 2 is connected with inversion module 1 by power cable again, and dc output end is connected with Central Control Module 3 by power cable; The output of inversion module 1 and rectification module 2 internal bypass switch units 7 are by being connected by power cable; The input of photovoltaic charged unit 9 is connected with the ambient light photovoltaic assembly by power cable in the Central Control Module 3, output is connected with batteries by power cable, and the output of Central Control Module 3 internal bypass emergent charging administrative units 10 links to each other with rectification module 2 interior bypass emergent charging AC/DC converter units 8; Host computer communication module 4 is connected with inversion module 1, rectification module 2, Central Control Module 3 by the Control on Communication bus.
Wherein inversion module 1 is made up of 3 inversion units 6, direct-flow input end all is connected with batteries by power cable, the N line of output links together by power cable, the L line of output, the alternating current of 220VAC is formed in the parallel operation that both can connect together, can export L line tap again, become the three-phase alternating current at 120 ° of phase angles each other.Rectification module 2 is made up of bypass switch unit 7, bypass emergent charging AC/DC converter unit 8; when inversion module 1 DC input voitage under-voltage protection; switch single 7 work by bypass; the interchange of inversion module 1 is outputted to the interchange output of rectification module 2, determines by Central Control Module 3 whether bypass emergent charging AC/DC converter units 8 work simultaneously.Central Control Module 3 is made up of photovoltaic charged unit 9 and bypass emergent charging administrative unit 10, during operate as normal, by charging and overcharge management in photovoltaic charged unit 9; Storage battery is crossed when putting, and is worked by the bypass emergent charging AC/DC change unit 8 whether the bypass emergent charging administrative unit 10 of Central Control Module 3 opens rectification module 2 according to the decision of client's loading condition.
The above only is preferred implementation of the present invention, should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement, and these improvement also should be considered as protection scope of the present invention.
Claims (4)
1. modularization photovoltaic inversion control all-in-one, comprise inversion module, Central Control Module, TURP module outside the roadside, shell, it is characterized in that also comprising rectification module, the host computer communication module, described inversion module and rectification module are fixed on outer casing bottom side by side by set bolt, described Central Control Module and host computer communication module are fixed on inversion module and rectification module upside, described inversion module and Central Control Module are corresponding fixing, rectification module and host computer communication module are corresponding fixing, described inversion module comprises N inversion unit, N 〉=1, described rectification module inside comprises the bypass switch unit, bypass emergent charging AC/DC converter unit; The ac output end of described rectification module is connected with inversion module by power cable, and dc output end is connected with Central Control Module by power cable; The output of described inversion module and rectification module internal bypass switch unit are by being connected by power cable; The input of photovoltaic charged unit is connected with the ambient light photovoltaic assembly by power cable in the described Central Control Module, output is connected with batteries by power cable, and the output of described Central Control Module internal bypass emergent charging administrative unit links to each other with the interior bypass emergent charging AC/DC converter unit of rectification module; Described host computer communication module is connected with inversion module, rectification module, Central Control Module by the Control on Communication bus.
2. according to the described a kind of modularization photovoltaic inversion control all-in-one of claim 1, it is characterized in that described inversion module direct-flow input end all is connected with batteries by power cable, the N line of output links together by power cable, the L line of output, the alternating current of 220VAC is formed in the parallel operation that both can connect together, can export L line tap again, become the three-phase alternating current at 120 ° of phase angles each other.
3. according to the described a kind of modularization photovoltaic inversion control all-in-one of claim 1; it is characterized in that described rectification module is when inversion module 1 DC input voitage under-voltage protection; switch single work by bypass; the interchange of inversion module is outputted to the interchange output of rectification module 2, determines by Central Control Module whether bypass emergent charging AC/DC converter unit works simultaneously.
4. according to the described a kind of modularization photovoltaic inversion control all-in-one of claim 1, when it is characterized in that described Central Control Module operate as normal, by charging and overcharge management in photovoltaic charged unit; Storage battery is crossed when putting, and by the bypass emergent charging administrative unit of Central Control Module, determines the bypass emergent charging AC/DC change unit of whether opening rectification module to come work according to client's loading condition.
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| CN2013102991451A CN103346611A (en) | 2013-07-15 | 2013-07-15 | Modularized photovoltaic inverter control all-in-one machine |
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| CN2013102991451A CN103346611A (en) | 2013-07-15 | 2013-07-15 | Modularized photovoltaic inverter control all-in-one machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933472A (en) * | 2017-05-23 | 2018-12-04 | 吴志兵 | New energy electric power shares (three-phase electricity consumption) device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10341544A (en) * | 1997-06-06 | 1998-12-22 | Kandenko Co Ltd | Uninterruptive power system for cable television center |
| CN200976509Y (en) * | 2006-11-28 | 2007-11-14 | 熊小伟 | Complementary type solar energy uninterruption power supply controller |
| CN101951014A (en) * | 2010-10-29 | 2011-01-19 | 上海致远绿色能源有限公司 | Wind-light-diesel commercial power integral power supply system |
| CN203339790U (en) * | 2013-07-15 | 2013-12-11 | 际华瑞拓（天津）新能源科技开发有限公司 | Modular photovoltaic inverter control integrated machine |
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2013
- 2013-07-15 CN CN2013102991451A patent/CN103346611A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10341544A (en) * | 1997-06-06 | 1998-12-22 | Kandenko Co Ltd | Uninterruptive power system for cable television center |
| CN200976509Y (en) * | 2006-11-28 | 2007-11-14 | 熊小伟 | Complementary type solar energy uninterruption power supply controller |
| CN101951014A (en) * | 2010-10-29 | 2011-01-19 | 上海致远绿色能源有限公司 | Wind-light-diesel commercial power integral power supply system |
| CN203339790U (en) * | 2013-07-15 | 2013-12-11 | 际华瑞拓（天津）新能源科技开发有限公司 | Modular photovoltaic inverter control integrated machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933472A (en) * | 2017-05-23 | 2018-12-04 | 吴志兵 | New energy electric power shares (three-phase electricity consumption) device |
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Application publication date: 20131009 |