CN103280705A - Multifunctional integration photovoltaic power generation device - Google Patents
Multifunctional integration photovoltaic power generation device Download PDFInfo
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- CN103280705A CN103280705A CN2013101740066A CN201310174006A CN103280705A CN 103280705 A CN103280705 A CN 103280705A CN 2013101740066 A CN2013101740066 A CN 2013101740066A CN 201310174006 A CN201310174006 A CN 201310174006A CN 103280705 A CN103280705 A CN 103280705A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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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- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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Abstract
The invention discloses a multifunctional integration photovoltaic power generation device. A cabinet body of the multifunctional integration photovoltaic power generation device is internally and sequentially provided with a first unit structure, a second unit structure and a third unit structure which are used as supporting framework structures and are arrayed from left to right; a direct-current wire inlet and communication in/out end is positioned under the left side of the first unit structure; a direct-current power distribution unit is arranged at the middle lower part of the first unit structure, and a communication monitoring unit is arranged at the middle upper part of the first unit structure; a first inversion unit and a second inversion unit are respectively arranged at the upper parts of the second unit structure and the third unit structure; grid-connection power distribution units are distributed at the middle parts of the second unit structure and the third unit structure in a combination way; an alternating-current wire outlet end is positioned at the middle lower part of the right side of the third unit structure; and system control power supply power distribution systems are distributed at the lower part of the first unit structure and the middle lower part of the right side of the second unit structure in the combination way. The multifunctional integration photovoltaic power generation device disclosed by the invention can meet outdoor installation and use and has the advantages of higher integration, smaller size, lighter weight, more comprehensive functions, stronger practicability and the like.
Description
Technical field
The present invention is mainly concerned with the photovoltaic generation apparatus field, refers in particular to a kind of multifunctional all photovoltaic power generation apparatus.
Background technology
Solar energy as a kind of cleaning, efficiently, never depleted emerging green energy resource, have advantages such as safe and reliable, noiseless, pollution-free, easy maintenance, can be widely used in the every field of social life, particularly be applied in grid-connected photovoltaic system and the power station.
At present, large-scale photovoltaic generating system generally comprises each equipment such as solar photovoltaic assembly array, header box, DC power distribution cabinet, combining inverter, box type transformer and other related communication watch-dog.On the engineering, a plurality of same light photovoltaic assemblies are constituted single channel by cable series connection have photovoltaic group string than the High Level DC Voltage grade; By header box with the big electric current output of Cheng Yilu of confluxing of the little electric current of multichannel photovoltaic group string; Realized the output of many header boxs is entered the distribution output of confluxing by DC power distribution cabinet; The output of DC power distribution cabinet causes combining inverter by cable, exports by the inverter inversion grid connection; Transformer and relevant grid-connection device boost and are incorporated into the power networks the distribution that carries out of the output of inverter; Environment monitor in the electricity generation system, header box, DC power distribution cabinet, combining inverter, transformer etc. are by the communication monitoring of communication monitoring cabinet, and always communicate by letter at the monitoring center with the power station.At present, photovoltaic DC-to-AC converter is indoor type substantially, outdoor type seldom, that the outdoor type photovoltaic DC-to-AC converter is mainly is low power (several hectowatts ~ tens kilowatt), high-power outdoor type inverter does not have the utilization case temporarily.In the large-sized photovoltaic electricity generation system engineering practice, use for satisfying on-the-spot outdoor environment, two kinds of ways are arranged: the one, the scene is built civil engineering class switchgear house specially or is utilized existing building for DC power distribution cabinet, combining inverter, communication monitoring cabinet, settles above-mentioned each discrete cabinet disposed therein; Another kind, equipment supply manufacturer is the inversion room of the special non-civil engineering class of the said equipment manufacturing, above-mentioned each discrete case equipment is pieced together by functional structure be installed on wherein.
In the conventional art, when practice, often be required to be DC power distribution cabinet, combining inverter, related communication watch-dog and attached etc. build switchgear house or adopt high-power room/casing specially, will above-mentioned each discrete cabinet arrangement disposed therein, to satisfy on-the-spot outdoor environment.For example, as existing photovoltaic generating system structure as shown in Figure 1, DC power distribution cabinet, inverter, communication monitoring cabinet and relevant control power supply power supply distribution box are concentrated to settle and are arranged in the mobile room of civil engineering switchgear house or high-power open air.
Relative system, whole DC distribution, inversion generating, communications monitor system do not carry out highly integrated, every function is decentralized in each independent cabinet, the interior external connection of each equipment of system is mixed and disorderly, the inner space utilance is low, system management is not good, and the installation and maintenance inconvenience etc., its concrete manifestation is as follows:
1. when the high power contravariant device used of existing photovoltaic power generation grid-connecting applies to the actual field generating, need other configuring direct current power distribution cabinet, and do not have complete electricity generation system communication monitoring function, electricity generation system needs the configuration communication monitoring cabinet.
2. no matter be to install in the civil engineering switchgear house, or integrated putting in high-power room/casing, producer's disunity of used various device in the grid-connected photovoltaic system need assemble the case equipment of different manufacturers, may cause occurring between the equipment of different manufacturers unmatched problem; And in the process of installing, may be connected bad because installation position is chaotic between the equipment, strengthen the equipment mounting hardness, when equipment goes wrong, need different manufacturers to carry out after-sales maintenance service, also be not easy to the installation and maintenance of whole system.
3. each the equipment cabinet that comprises combining inverter, DC power distribution cabinet, communication monitoring cabinet in the grid-connected photovoltaic system is indoor type substantially, be applied in the large-sized photovoltaic grid-connected system, the switchgear house or the inversion room that need additional configuration outdoor type protective capacities, the site operation amount is big, the cycle is long, and the cost height.
4. be the special switchgear house of building or existing high-power outdoor inversion room all only be with each independently DC power distribution cabinet, parallel network reverse, communication monitoring equipment simply piece together combination, the space layout of whole system is unreasonable, space availability ratio is low; And each functions of the equipments is not carried out highly integrated, and every function is decentralized in each cabinet, and switchgear house/inversion room body is huger, and many with material, cost is higher, and also there are certain difficulty in the transportation of high power contravariant room and installation.
5. each equipment interface is numerous in the grid-connected photovoltaic system, and the cable that need to insert is more, and the wiring of cable is not had unified management, is not easy to on-the-spot wiring and the maintenance in later stage; Existing high power contravariant room scheme is owing to the discrete formation of each cabinet, and interface also is numerous between inner each cabinet, connects complexity, has potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical problem that prior art exists, the invention provides a kind of satisfied open air install and use, integrated higher, volume is littler, weight is lighter, function more comprehensively, multifunctional all photovoltaic power generation apparatus that practicality is stronger.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of multifunctional all photovoltaic power generation apparatus, the DC distribution and communication monitoring unit, inversion and the power supply unit that is incorporated into the power networks, the system that comprise cabinet and be installed in the cabinet control source power distribution system, and from left to right row's the first module structure as support framework formula structure, second cellular construction and the 3rd cellular construction are set in the described cabinet successively; Direct current inlet wire in described DC distribution and the communication monitoring unit and communication in-out end are positioned at the below, left side of first module structure; Direct Current Distribution Unit in described DC distribution and the communication monitoring unit is positioned at the middle and lower part of first module structure, and the communication monitoring unit in described DC distribution and the communication monitoring unit is positioned at the middle and upper part of first module structure; The top that first inversion unit in described inversion and the power supply unit that is incorporated into the power networks and second inversion unit are positioned at second cellular construction, the 3rd cellular construction respectively; The power supply unit combination of being incorporated into the power networks in described inversion and the power supply unit that is incorporated into the power networks is distributed in the middle part of second cellular construction, the 3rd cellular construction; Exchange the middle and lower part, right side that leading-out terminal is positioned at the 3rd cellular construction in described inversion and the power supply unit that is incorporated into the power networks; The control source power distribution system combination of described system is distributed in the bottom of first module structure, the middle and lower part, right side of second cellular construction.
As a further improvement on the present invention:
Described direct current inlet wire and communication in-out end adopt the concave type terminal box, and described interchange leading-out terminal adopts the convex type terminal box.
Described communication monitoring unit is by the communication monitoring that links to each other with the PERCOM peripheral communication watch-dog of at least a communication mode among the RS485, Ethernet, WIFI, and the operation information data of described Direct Current Distribution Unit, the power supply unit that is incorporated into the power networks are monitored by the communication monitoring unit by inner RS485.
Described system control source power distribution system links to each other with outlet side three phase network alternating current or the outside three-phase four-wire system alternating current that inserts by cable, provides the control power supply by system's control source power distribution system for described communication monitoring unit, Direct Current Distribution Unit, first inversion unit, second inversion unit and the power supply unit that is incorporated into the power networks.
Compared with prior art, the invention has the advantages that:
1, multifunctional all photovoltaic power generation apparatus of the present invention, adopt the cabinet of integrated outdoor grade protective capacities, DC power distribution cabinet, photovoltaic combining inverter, local monitor communication cabinet, system's disposable intactly Highgrade integration of the control every function of power supply distribution box are integrated in the cabinet, the discrete cabinet of traditional each settled to arrange carried out structure and topology goes up unified integration and integrated, realized the directly on-the-spot installation utilization of cabinet of a kind of device.
2, multifunctional all photovoltaic power generation apparatus of the present invention, has DC distribution, the generating of photovoltaic inversion grid connection, local comprehensively monitoring is communicated by letter multiple functional, system's line and cabinet quantity and additionally for example switchgear house/attached configurations such as inversion room have been reduced, make external interface clear simple, the cabinet volume is less relatively, weight is lighter relatively, construction and installation are simple and easy, the power plant construction cycle shortens, integrated cost reduces, realized the functional promotion of traditional single photovoltaic inversion device and the system combination of photovoltaic generating system, broken that traditional discrete cabinet unit box/the room body is integrated, had very strong practical application and great realistic meaning.
3, the function height of multifunctional all photovoltaic power generation apparatus of the present invention is integrated, space layout is reasonable in the device, effective conserve space, device satisfies the open air to be installed and used, have integrated higher, volume is littler, weight is lighter, function more comprehensively, characteristics that practicality is stronger; Can realize distribution, inversion grid connection generating output are carried out in the output of one or more photovoltaic header box of photovoltaic cell component square formation, can monitor the outside relevant device header box of system, environment monitor, transformer and inner distribution, inversion grid connection operation relevant information, and form the communication monitoring network system with power station remote monitoring terminal or other terminal.
Description of drawings
Fig. 1 is the composition structural principle schematic diagram of photovoltaic generating system in the prior art.
Fig. 2 is composition structural representation of the present invention.
Fig. 3 is the structural representation that each unit is arranged in the cabinet of the present invention.
Fig. 4 is the control principle schematic diagram of communication monitoring unit among the present invention.
Fig. 5 is the principle schematic of system's control source power distribution system among the present invention.
Marginal data:
1, cabinet; 101, DC distribution and communication monitoring unit; 102, inversion and the power supply unit that is incorporated into the power networks; 2, first module structure; 3, second cellular construction; 4, the 3rd cellular construction; 5, communication monitoring unit; 6, Direct Current Distribution Unit; 7, first inversion unit; 8, second inversion unit; 9, the power supply unit that is incorporated into the power networks; 10, system's control source power distribution system; 11, direct current inlet wire and communication in-out end; 12, exchange leading-out terminal.
Embodiment
Below with reference to Figure of description and specific embodiment the present invention is described in further details.
As shown in Figures 2 and 3, multifunctional all photovoltaic power generation apparatus of the present invention, comprise cabinet 1 and be installed on DC distribution and communication monitoring unit 101, inversion and the power supply unit 102 that is incorporated into the power networks in the cabinet 1, first module structure 2, second cellular construction 3 and the 3rd cellular construction 4 are set in the cabinet 1, this first module structure 2, second cellular construction 3, the 3rd cellular construction 4 are support framework formula structure, and first module structure 2, second cellular construction 3, the 3rd cellular construction 4 from left to right are arranged in the cabinet 1 successively.Direct current inlet wire and communication in-out end 11 adopt the concave type terminal box and are positioned at the below, left side of first module structure 2; Direct Current Distribution Unit 6 is positioned at the middle and lower part of first module structure 2, and communication monitoring unit 5 is positioned at the middle and upper part of first module structure 2; First inversion unit 7 and second inversion unit 8 are positioned at the top of second cellular construction 3, the 3rd cellular construction 4 respectively; Power supply unit 9 combinations of being incorporated into the power networks are distributed in the middle part of second cellular construction 3, the 3rd cellular construction 4; Exchange the middle and lower part, right side that leading-out terminal 12 adopts the convex type terminal box and is positioned at the 3rd cellular construction 4; System's control source power distribution system 10 combinations are distributed in the bottom of first module structure 2, the middle and lower part, right side of second cellular construction 3.Wherein, concave type terminal box, convex type terminal box are the terminal box with certain protective capacities, are respectively applied to that the direct current inlet wire inserts, communication cable inserts/picks out, exchange outlet inserts/pick out.
Like this, the present invention just according to functional unit, power flow direction will originally independently provide separately DC distribution DC power distribution cabinet, carry out parallel network power generation combining inverter, electricity generation system is carried out the monitoring cabinet of comprehensively monitoring communication and is provided the power distribution cabinet Highgrade integration of control power supply in the cabinet 1 of environment is installed and used in a satisfied open air for system, connect by busbar or cable between inner each unit, and then constitute the multifunctional all photovoltaic power generation apparatus, be convenient to practice.Namely, the present invention satisfies outdoor environment with the safeguard function Highgrade integration of the DC power distribution cabinet of discrete mounting means traditional in the photovoltaic generating system, inverter, communication monitoring cabinet and the relevant power supply of control power supply distribution box, inversion room or civil engineering switchgear house in one the multifunctional all photovoltaic power generation apparatus that uses cabinet is installed, and has DC distribution, inversion grid connection generating, integrated communication monitoring function and various control power supply supply power mode.Existing application, function and the operation environment such as distribution, integrated communication monitoring of the core inverter of photovoltaic generating system have been expanded, significantly reduce cabinet quantity, engineering construction amount, simplified system's formation, the cabinet volume is less relatively, weight is lighter relatively, reduce cost, be convenient to modular construction, the management maintenance of photovoltaic generating system.
During work, the cable that the output of the direct current of each header box of photovoltaic arrays is arranged by the scene is connected to direct current inlet wire and communication in-out end 11, and Direct Current Distribution Unit 6 is used for realizing that distribution is carried out in the input of multichannel header box to conflux.Direct Current Distribution Unit 6 distribution conflux to export and cause first inversion unit 7 and second inversion unit 8 by Internal cable or busbar, carry out photovoltaic DC inversion conversion; Inversion be converted to the alternating current that satisfies the electrical network requirement by be incorporated into the power networks power supply unit 9 with exchange leading-out terminal 12 outputs, be connected with the grid equipment in the external world.
In concrete application example, be integrated with display screen, instrument, indicator light, emergency stop push button, startup/stop key, communication management module, data acquisition module, power management module, RS485 communication module, wireless WIFI module, Ethernet optic module in the communication monitoring of the present invention unit 5, externally all need utilize direct current inlet wire and the communication in-out end 11 of all receiving this device by practice of communication cable medium.As shown in Figure 4, the communication output of the equipment of outside need communication monitoring in the electricity generation system (environment monitor, header box, transformer) is monitored by communication monitoring unit 5 in this device by communications cable RS485 mode, when the nearer equipment of partial distance satisfies wireless WIFI communication, also can be monitored by the interior communication monitoring unit 5 of this device by WIFI.Direct Current Distribution Unit 6 among the present invention, inversion and and the operation information data of net unit monitored by communication monitoring unit 5 by inner RS485.Further, operating personnel's PC monitor terminal can communicate monitoring by the multiple mode of RS485/WIFI/ Ethernet and communication monitoring unit 5, and operating personnel's hand-held monitor terminal (smart mobile phone, panel computer etc.) can carry out the near radio monitoring by WIFI.Communication monitoring unit 5 communicates monitoring with power station remote monitoring terminal/other monitoring units by RS485/ Ethernet mode among the present invention, to form network system.
In concrete application example, by Internal cable the outlet side three phase network alternating current of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) or the outside three-phase four-wire system alternating current that inserts are caused system's control source power distribution system 10 respectively, become needed AC 220V single-phase electricity and AC 380V three-phase electricity by system control source power distribution system 10 distribution, be respectively that the communication monitoring unit 5 in the first module structure 2 and Direct Current Distribution Unit 6, first inversion unit 7 and second inversion unit 8 and the power supply unit 9 that is incorporated into the power networks provide the control power supply in the device.Power supply adopts externally fed, in-line power, the uninterrupted power supply (ups) Unity multiple supply power mode of powering, as shown in Figure 5: during externally fed, outside three-phase AC 380V and the single-phase AC220V of inserting, switch QF2 disconnects, switch QF1, QF3, QF4, QF5 closure are introduced this device inner blower and control system with outside three-phase AC 380V, single-phase AC 220V power supply; During in-line power, switch QF1, QF3 disconnect, QF2, QF4, QF5 closure, three-phase AC 270V or the AC 315V electric energy of this device generating output convert three-phase AC 380V, single-phase AC 220V to by distribution transformer, are this device inner blower and control system power supply; Wherein dispose uninterrupted power supply UPS in the single-phase AC 220V current supply circuit, when UPS input AC 220V dead electricity, UPS still can be the important control system power supply of this device, the normal operation of safeguards system.
In different embodiment, according to actual needs, the present invention inserts photovoltaic arrays header box way can be one or more, and integrated Direct Current Distribution Unit 6, inversion unit also can be a plurality of in the cabinet 1.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.
Claims (4)
1. multifunctional all photovoltaic power generation apparatus, it is characterized in that, the DC distribution and communication monitoring unit (101), inversion and the power supply unit that is incorporated into the power networks (102), the system that comprise cabinet (1) and be installed in the cabinet (1) control source power distribution system (10), and from left to right row's the first module structure (2) as support framework formula structure, second cellular construction (3) and the 3rd cellular construction (4) are set in the described cabinet (1) successively; Direct current inlet wire in described DC distribution and communication monitoring unit (101) and communication in-out end (11) are positioned at the below, left side of first module structure (2); Direct Current Distribution Unit (6) in described DC distribution and communication monitoring unit (101) is positioned at the middle and lower part of first module structure (2), and the communication monitoring unit (5) in described DC distribution and communication monitoring unit (101) is positioned at the middle and upper part of first module structure (2); The top that first inversion unit (7) in described inversion and the power supply unit (102) that is incorporated into the power networks and second inversion unit (8) are positioned at second cellular construction (3), the 3rd cellular construction (4) respectively; The power supply unit that is incorporated into the power networks (9) combination in described inversion and the power supply unit (102) that is incorporated into the power networks is distributed in the middle part of second cellular construction (3), the 3rd cellular construction (4); Exchange the middle and lower part, right side that leading-out terminal (12) is positioned at the 3rd cellular construction (4) in described inversion and the power supply unit that is incorporated into the power networks (102); Described system's control source power distribution system (10) combination is distributed in the bottom of first module structure (2), the middle and lower part, right side of second cellular construction (3).
2. multifunctional all photovoltaic power generation apparatus according to claim 1 is characterized in that, described direct current inlet wire and communication in-out end (11) adopt the concave type terminal box, and described interchange leading-out terminal (12) adopts the convex type terminal box.
3. multifunctional all photovoltaic power generation apparatus according to claim 1 and 2, it is characterized in that, described communication monitoring unit (5) links to each other with the PERCOM peripheral communication watch-dog by at least a communication mode among RS485, Ethernet, the WIFI and communicates monitoring, and the operation information data of described Direct Current Distribution Unit (6), the power supply unit that is incorporated into the power networks (9) are monitored by communication monitoring unit (5) by inner RS485.
4. multifunctional all photovoltaic power generation apparatus according to claim 1 and 2, it is characterized in that, described system's control source power distribution system (10) links to each other with outlet side three phase network alternating current or the outside three-phase four-wire system alternating current that inserts by cable, is that described communication monitoring unit (5), Direct Current Distribution Unit (6), first inversion unit (7), second inversion unit (8) and the power supply unit that is incorporated into the power networks (9) provide the control power supply by system's control source power distribution system (10).
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| CN105227130A (en) * | 2015-09-23 | 2016-01-06 | 南京宇能新能源科技有限公司 | A kind of Intelligent photovoltaic electricity generation system based on plastic fiber communication |
| CN105743125A (en) * | 2016-04-15 | 2016-07-06 | 保定英利分布式能源股份有限公司 | Grid-connected inversion control device and grid-connected power generation system |
| CN107222234A (en) * | 2017-07-20 | 2017-09-29 | 广州供电局有限公司 | The raising method of distribution power automation terminal equipment and its wireless signal strength |
| CN108718172A (en) * | 2017-11-15 | 2018-10-30 | 浙江正泰新能源开发有限公司 | A kind of bilayer waterproof photovoltaic roof system |
| CN108729598A (en) * | 2017-11-15 | 2018-11-02 | 浙江正泰新能源开发有限公司 | A kind of photovoltaic roof system |
| CN117318160A (en) * | 2023-11-29 | 2023-12-29 | 合肥零碳技术有限公司 | Photovoltaic inversion power supply control system, method and device and storage medium |
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| CN104779900A (en) * | 2014-01-14 | 2015-07-15 | 保利协鑫（苏州）新能源运营管理有限公司 | Photovoltaic grid-connected apparatus |
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| CN105743125A (en) * | 2016-04-15 | 2016-07-06 | 保定英利分布式能源股份有限公司 | Grid-connected inversion control device and grid-connected power generation system |
| CN107222234A (en) * | 2017-07-20 | 2017-09-29 | 广州供电局有限公司 | The raising method of distribution power automation terminal equipment and its wireless signal strength |
| CN107222234B (en) * | 2017-07-20 | 2019-08-16 | 广州供电局有限公司 | The improvement method of distribution power automation terminal equipment and its wireless signal strength |
| CN108718172A (en) * | 2017-11-15 | 2018-10-30 | 浙江正泰新能源开发有限公司 | A kind of bilayer waterproof photovoltaic roof system |
| CN108729598A (en) * | 2017-11-15 | 2018-11-02 | 浙江正泰新能源开发有限公司 | A kind of photovoltaic roof system |
| CN108718172B (en) * | 2017-11-15 | 2020-02-28 | 浙江正泰新能源开发有限公司 | Double-deck waterproof photovoltaic roof system |
| CN117318160A (en) * | 2023-11-29 | 2023-12-29 | 合肥零碳技术有限公司 | Photovoltaic inversion power supply control system, method and device and storage medium |
| CN117318160B (en) * | 2023-11-29 | 2024-04-09 | 合肥零碳技术有限公司 | Photovoltaic inversion power supply control system, method and device and storage medium |
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