CN204408262U - A kind of photovoltaic generating system - Google Patents
A kind of photovoltaic generating system Download PDFInfo
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- CN204408262U CN204408262U CN201520148569.2U CN201520148569U CN204408262U CN 204408262 U CN204408262 U CN 204408262U CN 201520148569 U CN201520148569 U CN 201520148569U CN 204408262 U CN204408262 U CN 204408262U
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- generating system
- miniature inverter
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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
Abstract
The utility model embodiment discloses a kind of photovoltaic generating system, belong to and relate to the electrical generator fields that light radiation changes electric energy into, comprise: power transmission cable and multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT), described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises photovoltaic generation unit and Miniature inverter, the output of described photovoltaic generation unit is connected with the input of described Miniature inverter, and the output of described Miniature inverter is connected with described power transmission cable.The purpose of this utility model is to provide a kind of photovoltaic generating system, effectively to improve the generating efficiency of existing photovoltaic generating system.
Description
Technical field
The utility model relates to the electrical generator fields that light radiation changes electric energy into, in particular to a kind of photovoltaic generating system.
Background technology
Photovoltaic generation utilizes photoelectric principle to produce electric energy, and photovoltaic module produces electric power under the irradiation of sunlight, by technological means, electric power is drawn the productive life of serving us; And the electric power that assembly produces is direct current, can not directly be applied on our daily power consumption equipment, needs become the alternating current required for everyday devices DC power conversion, the principal mode of alternating current comprises three-phase alternating current and single-phase alternating current, the standard of China's electric power system is single-phase voltage 220V, frequency 50HZ, also has a series of quality of power supply technical requirement in addition;
Mode direct current being become alternating current calls power inverter technology, the content that inversion transformation technique relates generally to comprises the conversion of electric current and voltage, the communication technology, power auto-control etc., existing technical scheme is the conversion of electric power by contravariant equipment of handle component generation, access our use electric line (or electrical network), provide electric power to load; Its principal character is that the electric power by photovoltaic module is produced is together in series or is together in parallel, and enters direct current conflux case, the electric power in header box enter inverter carry out concentrate be reverse into alternating current, then after AC power distribution cabinet/AC distribution panel distribution for load; Power inverter link adopts concentrates inversion scheme, and the contravariant equipment of each installation system configuration ad eundem, completes power converter.
Inventor finds under study for action, after all photovoltaic generation unit series connection of existing photovoltaic generating system or parallel connection, concentrate inversion again, in centralized grid-connected inverting system, electrification component square formation is through twice arrival inverter that confluxes, inverter maximal power tracing function can not monitor the ruuning situation of each road assembly, each road assembly therefore can not be made all to be in best operating point, can affect the generating efficiency of whole system.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic generating system, effectively to improve the generating efficiency of existing photovoltaic generating system.
First aspect, a kind of photovoltaic generating system that the utility model provides, comprise: power transmission cable and multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT), described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises photovoltaic generation unit and Miniature inverter, the output of described photovoltaic generation unit is connected with the input of described Miniature inverter, and the output of described Miniature inverter is connected with described power transmission cable.
In conjunction with first aspect, the utility model embodiment still provides the first possibility execution mode of first aspect, wherein, described Blast Furnace Top Gas Recovery Turbine Unit (TRT) also comprises multiple fast cable joint, and the output of described Miniature inverter is connected with described power transmission cable by described fast cable joint.
In conjunction with the first possibility execution mode of first aspect, the utility model embodiment still provides the second possibility execution mode of first aspect, wherein, described fast cable joint is threeway snap joint, described threeway snap joint comprises first interface, the second interface and the 3rd interface, the output of described Miniature inverter is connected with described first interface, described power transmission cable comprises many alternating current output cables, described second interface is connected with an alternating current output cable, and described 3rd interface is connected with another bar of alternating current output cable.
In conjunction with the first possibility execution mode of first aspect, the utility model embodiment still provides the third possibility execution mode of first aspect, and wherein, also comprise supervising device, multiple Miniature inverter is all connected with described supervising device.
In conjunction with the third possibility execution mode of first aspect, the utility model embodiment still provides the 4th kind of possibility execution mode of first aspect, and wherein, multiple Miniature inverter is all connected with described power transmission cable, and described power transmission cable is connected with described supervising device.
In conjunction with the third possibility execution mode of first aspect, the utility model embodiment still provides the 5th kind of possibility execution mode of first aspect, wherein, also comprise multiple power line carrier, PLC module, the output of multiple Miniature inverter is all connected with described supervising device by described power line carrier, PLC module.
In conjunction with the 4th kind of possibility execution mode of first aspect, the utility model embodiment still provides the 6th kind of possibility execution mode of first aspect, and wherein, described supervising device comprises programmable logic controller (PLC).
In conjunction with first aspect, the utility model embodiment still provides the 7th kind of possibility execution mode of first aspect, and wherein, described photovoltaic generation unit comprises solar panel.
During the utility model is implemented, photovoltaic generation unit and Miniature inverter are carried out effective power match, realize modularized encapsulation and form an electrification component, each electrification component makes it to become an independently generator unit, described Miniature inverter can realize the electricity generation situation of the electrification component that real-time tracking matches, and the quality of power supply of output meets the requirement of national standard.
Therefore, to connect with all photovoltaic generation units of the existing photovoltaic generating system of prior art or after parallel connection, concentrate inversion again, can only focus on and cannot each photovoltaic generation unit be controlled, inverter maximal power tracing function can not monitor the ruuning situation of each road assembly, cause making each road assembly all be in best operating point, thus make that generating efficiency is too low to be compared, by Miniature inverter, the utility model embodiment ensures that electrification component that each photovoltaic generation unit forms exports the electricity of certain amount, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is made to be in optimum Working, effectively improve the generating efficiency of existing photovoltaic generating system.
Other feature and advantage of the present utility model are set forth at specification subsequently, and, partly become apparent from specification, or understand by implementing the utility model embodiment.The purpose of this utility model and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Shown in accompanying drawing, above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing by actual size equal proportion convergent-divergent, focus on purport of the present utility model is shown.
Fig. 1 shows the structured flowchart of the embodiment of a kind of photovoltaic generating system that the utility model embodiment provides;
Fig. 2 shows the structured flowchart of the embodiment of the another kind of photovoltaic generating system that the utility model embodiment provides;
Fig. 3 shows the structured flowchart of the embodiment of the another kind of photovoltaic generating system that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, carry out clear, complete description to the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Photovoltaic generation utilizes photoelectric principle to produce electric energy, and photovoltaic module produces electric power under the irradiation of sunlight, by technological means, electric power is drawn the productive life of serving us; And the electric power that assembly produces is direct current, can not directly be applied on our daily power consumption equipment, needs become the alternating current required for everyday devices DC power conversion, the principal mode of alternating current comprises three-phase alternating current and single-phase alternating current, the standard of China's electric power system is single-phase voltage 220V, frequency 50HZ, also has a series of quality of power supply technical requirement in addition;
Mode direct current being become alternating current calls power inverter technology, the content that inversion transformation technique relates generally to comprises the conversion of electric current and voltage, the communication technology, power auto-control etc., existing technical scheme is the conversion of electric power by contravariant equipment of handle component generation, access our use electric line (or electrical network), provide electric power to load; Its principal character is that the electric power by photovoltaic module is produced is together in series or is together in parallel, and enters direct current conflux case, the electric power in header box enter inverter carry out concentrate be reverse into alternating current, then after AC power distribution cabinet/AC distribution panel distribution for load; Power inverter link adopts concentrates inversion scheme, and the contravariant equipment of each installation system configuration ad eundem, completes power converter.
Inventor finds under study for action, after all photovoltaic generation unit series connection of existing photovoltaic generating system or parallel connection, concentrate inversion again, in centralized grid-connected inverting system, electrification component square formation is through twice arrival inverter that confluxes, and inverter maximal power tracing function can not monitor the ruuning situation of each road assembly, and each road assembly therefore can not be made all to be in best operating point, when there being a block assembly break down or blocked by shade, the generating efficiency of whole system can be affected.
A kind of photovoltaic generating system as shown in Figure 1, comprise: power transmission cable 105 and multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT), described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises photovoltaic generation unit 101 and Miniature inverter 102, the output of described photovoltaic generation unit 101 is connected with the input of described Miniature inverter 102, and the output of described Miniature inverter 102 is connected with described power transmission cable 105.
During the utility model is implemented, photovoltaic generation unit and Miniature inverter are carried out effective power match, realize modularized encapsulation and form an electrification component, each electrification component makes it to become an independently generator unit, described Miniature inverter can realize the electricity generation situation of the electrification component that real-time tracking matches, and the quality of power supply of output meets the requirement of national standard.
Therefore, to connect with all photovoltaic generation units of the existing photovoltaic generating system of prior art or after parallel connection, concentrate inversion again, can only focus on and cannot each photovoltaic generation unit be controlled, inverter maximal power tracing function can not monitor the ruuning situation of each road assembly, cause making each road assembly all be in best operating point, thus make that generating efficiency is too low to be compared, by Miniature inverter, the utility model embodiment ensures that electrification component that each photovoltaic generation unit forms exports the electricity of certain amount, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is made to be in optimum Working, effectively improve the generating efficiency of existing photovoltaic generating system.
Moreover the photovoltaic generation unit of the utility model embodiment and the modularization of Miniature inverter, directly export 220v-50Hz electric power, directly automatically detect during access electrical network and generate electricity by way of merging two or more grid systems, from automatically stopping during net exporting.Therefore, the modularized design of electricity generation system, improve the operational reliability of system, MPPT mode between photovoltaic generation unit and Miniature inverter, real-time calculating, keeps the maximum power output of electric energy, relatively improves the gross generation of output, and without the need to DC distribution link, decrease the accessory of system.
Another kind of photovoltaic generating system as shown in Figure 2, comprise: power transmission cable and multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT), described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises photovoltaic generation unit 201 and Miniature inverter 202, the output of described photovoltaic generation unit 201 is connected with the input of described Miniature inverter 202, and the output of described Miniature inverter 202 is connected with described power transmission cable.
Wherein, described Blast Furnace Top Gas Recovery Turbine Unit (TRT) also comprises multiple fast cable joint 203, and the output of described Miniature inverter 202 is connected with described power transmission cable by described fast cable joint 203.
In the utility model embodiment, described fast cable joint 203 is threeway snap joint, described threeway snap joint comprises first interface, the second interface and the 3rd interface, the output of described Miniature inverter is connected with described first interface, described power transmission cable comprises many alternating current output cables, described second interface is connected with an alternating current output cable, and described 3rd interface is connected with another bar of alternating current output cable.
During the utility model is implemented, photovoltaic generation unit and Miniature inverter are carried out effective power match, realize modularized encapsulation and form an electrification component, each electrification component makes it to become an independently generator unit, described Miniature inverter can realize the electricity generation situation of the electrification component that real-time tracking matches, and the quality of power supply of output meets the requirement of national standard.
Therefore, to connect with all photovoltaic generation units of the existing photovoltaic generating system of prior art or after parallel connection, concentrate inversion again, can only focus on and cannot each photovoltaic generation unit be controlled, inverter maximal power tracing function can not monitor the ruuning situation of each road assembly, cause making each road assembly all be in best operating point, thus make that generating efficiency is too low to be compared, by Miniature inverter, the utility model embodiment ensures that electrification component that each photovoltaic generation unit forms exports the electricity of certain amount, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is made to be in optimum Working, effectively improve the generating efficiency of existing photovoltaic generating system.
In addition, the photovoltaic generation unit of the utility model embodiment and the modularization of Miniature inverter, directly export 220v-50Hz electric power, directly automatically detects during access electrical network and generate electricity by way of merging two or more grid systems, from automatically stopping during net exporting.Therefore, the modularized design of electricity generation system, improve the operational reliability of system, MPPT mode between photovoltaic generation unit and Miniature inverter, real-time calculating, keeps the maximum power output of electric energy, relatively improves the gross generation of output, and without the need to DC distribution link, decrease the accessory of system.
In addition, fast cable joint is adopted to the connection between Blast Furnace Top Gas Recovery Turbine Unit (TRT), the hot plug in power generation process can be realized, the breakdown maintenance of single generator unit can independently be excised, quick-replaceable, is conducive to improving the gross generation in lifetime, is conducive to carrying out the mutual of close friend with dispatching of power netwoks future.
Another kind of photovoltaic generating system as shown in Figure 3, comprise: power transmission cable 305 and multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT), described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises photovoltaic generation unit 301 and Miniature inverter 302, the output of described photovoltaic generation unit 301 is connected with the input of described Miniature inverter 302, and the output of described Miniature inverter 302 is connected with described power transmission cable.
Wherein, described Blast Furnace Top Gas Recovery Turbine Unit (TRT) also comprises multiple fast cable joint, and the output of described Miniature inverter is connected with described power transmission cable by described fast cable joint.
In the utility model embodiment, described fast cable joint is threeway snap joint, described threeway snap joint comprises first interface, the second interface and the 3rd interface, the output of described Miniature inverter is connected with described first interface, described power transmission cable comprises many alternating current output cables, described second interface is connected with an alternating current output cable, and described 3rd interface is connected with another bar of alternating current output cable.
In addition, also comprise supervising device 304, multiple Miniature inverter is all connected with described supervising device.Multiple Miniature inverter is all connected with described power transmission cable, and described power transmission cable is connected with described supervising device.
In addition, also comprise multiple power line carrier, PLC module, the output of multiple Miniature inverter is all connected with described supervising device by described power line carrier, PLC module.
In the utility model embodiment, described supervising device comprises programmable logic controller (PLC), and described photovoltaic generation unit comprises solar panel.
During the utility model is implemented, photovoltaic generation unit and Miniature inverter are carried out effective power match, realize modularized encapsulation and form an electrification component, each electrification component makes it to become an independently generator unit, described Miniature inverter can realize the electricity generation situation of the electrification component that real-time tracking matches, and the quality of power supply of output meets the requirement of national standard.
Therefore, to connect with all photovoltaic generation units of the existing photovoltaic generating system of prior art or after parallel connection, concentrate inversion again, can only focus on and cannot each photovoltaic generation unit be controlled, inverter maximal power tracing function can not monitor the ruuning situation of each road assembly, cause making each road assembly all be in best operating point, thus make that generating efficiency is too low to be compared, by Miniature inverter, the utility model embodiment ensures that electrification component that each photovoltaic generation unit forms exports the electricity of certain amount, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is made to be in optimum Working, effectively improve the generating efficiency of existing photovoltaic generating system.
In addition, the photovoltaic generation unit of the utility model embodiment and the modularization of Miniature inverter, directly export 220v-50Hz electric power, directly automatically detects during access electrical network and generate electricity by way of merging two or more grid systems, from automatically stopping during net exporting.Therefore, the modularized design of electricity generation system, improve the operational reliability of system, MPPT mode between photovoltaic generation unit and Miniature inverter, real-time calculating, keeps the maximum power output of electric energy, relatively improves the gross generation of output, and without the need to DC distribution link, decrease the accessory of system.
In addition, fast cable joint is adopted to the connection between Blast Furnace Top Gas Recovery Turbine Unit (TRT), the hot plug in power generation process can be realized, the breakdown maintenance of single generator unit can independently be excised, quick-replaceable, is conducive to improving the gross generation in lifetime, is conducive to carrying out the mutual of close friend with dispatching of power netwoks future.
Moreover the utility model embodiment to command operatings such as the information records of each Blast Furnace Top Gas Recovery Turbine Unit (TRT) by supervising device realization, can be expanded whole photovoltaic generating system capacity and upgrade more easily, realizing Blast Furnace Top Gas Recovery Turbine Unit (TRT).
Moreover, between multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT) and and supervising device between adopt power carrier communication, utilize existing power circuit can realize the control of system and the intelligent management in the future to household electricity equipment, the distributing electric power of power consumption equipment is carried out software operation, can realize controlling the operation of unit without the need to rewiring.
Moreover, in the utility model, described photovoltaic generation unit, Miniature inverter and monitoring module form described photovoltaic generating system, and form an entirety, described photovoltaic generation unit can be the assembly that solar panel etc. has photovoltaic generation function light signal being converted to the signal of telecommunication.
Be understandable that, the utility model can be used in numerous general or special purpose computing system environment or configuration.Such as: personal computer, server computer, handheld device or portable set, laptop device, multicomputer system, system, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, the distributed computing environment (DCE) comprising above any system or equipment etc. based on microprocessor.
The utility model can describe in the general context of computer executable instructions, such as program module.Usually, program module comprises the routine, program, object, assembly, data structure etc. that perform particular task or realize particular abstract data type.Also can put into practice the utility model in a distributed computing environment, in these distributed computing environment (DCE), be executed the task by the remote processing devices be connected by communication network.In a distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium comprising memory device.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. a photovoltaic generating system, it is characterized in that, comprise: power transmission cable and multiple Blast Furnace Top Gas Recovery Turbine Unit (TRT), described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises photovoltaic generation unit and Miniature inverter, the output of described photovoltaic generation unit is connected with the input of described Miniature inverter, and the output of described Miniature inverter is connected with described power transmission cable.
2. photovoltaic generating system according to claim 1, is characterized in that, described Blast Furnace Top Gas Recovery Turbine Unit (TRT) also comprises multiple fast cable joint, and the output of described Miniature inverter is connected with described power transmission cable by described fast cable joint.
3. photovoltaic generating system according to claim 2, it is characterized in that, described fast cable joint is threeway snap joint, described threeway snap joint comprises first interface, the second interface and the 3rd interface, the output of described Miniature inverter is connected with described first interface, described power transmission cable comprises many alternating current output cables, and described second interface is connected with an alternating current output cable, and described 3rd interface is connected with another bar of alternating current output cable.
4. photovoltaic generating system according to claim 2, is characterized in that, also comprises supervising device, and multiple Miniature inverter is all connected with described supervising device.
5. photovoltaic generating system according to claim 4, is characterized in that, multiple Miniature inverter is all connected with described power transmission cable, and described power transmission cable is connected with described supervising device.
6. photovoltaic generating system according to claim 4, is characterized in that, also comprises multiple power line carrier, PLC module, and the output of multiple Miniature inverter is all connected with described supervising device by described power line carrier, PLC module.
7. photovoltaic generating system according to claim 5, is characterized in that, described supervising device comprises programmable logic controller (PLC).
8. photovoltaic generating system according to claim 1, is characterized in that, described photovoltaic generation unit comprises solar panel.
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| CN201520148569.2U CN204408262U (en) | 2015-03-16 | 2015-03-16 | A kind of photovoltaic generating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814759A (en) * | 2017-03-01 | 2017-06-09 | 江苏国电铁塔有限公司 | Photovoltaic tracking control device and method based on power line carrier, PLC |
| CN107943106A (en) * | 2017-11-17 | 2018-04-20 | 苏州聚晟太阳能科技股份有限公司 | Possess the MPPT header boxs of following function and its control method of use |
-
2015
- 2015-03-16 CN CN201520148569.2U patent/CN204408262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814759A (en) * | 2017-03-01 | 2017-06-09 | 江苏国电铁塔有限公司 | Photovoltaic tracking control device and method based on power line carrier, PLC |
| CN107943106A (en) * | 2017-11-17 | 2018-04-20 | 苏州聚晟太阳能科技股份有限公司 | Possess the MPPT header boxs of following function and its control method of use |
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