CN203218987U - Photovoltaic grid-connected power generation control system - Google Patents
Photovoltaic grid-connected power generation control system Download PDFInfo
- Publication number
- CN203218987U CN203218987U CN2013202308446U CN201320230844U CN203218987U CN 203218987 U CN203218987 U CN 203218987U CN 2013202308446 U CN2013202308446 U CN 2013202308446U CN 201320230844 U CN201320230844 U CN 201320230844U CN 203218987 U CN203218987 U CN 203218987U
- Authority
- CN
- China
- Prior art keywords
- switch
- grid
- control system
- photovoltaic
- distribution cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
Abstract
Disclosed in the utility model is a photovoltaic grid-connected power generation control system. The photovoltaic grid-connected power generation control system is characterized in that the system comprises direct-current convergence boxes connected with a plurality of solar cell assemblies. Output terminals of the direct-current convergence boxes are connected with a direct-current power distribution cabinet for controlling outputting of direct currents; an output terminal of the direct-current power distribution cabinet is successively connected with a photovoltaic grid-connected inverter, a boosting transformer, and a grid-connected switch; and the other side of the grid-connected switch is connected with a power grid. Besides, the control system also includes an Ethernet switch for communication and a controller for controlling working of the direct-current power distribution cabinet, the photovoltaic grid-connected inverter, and the grid-connected switch; the direct-current power distribution cabinet, the photovoltaic grid-connected inverter, the grid-connected switch, and the controller are respectively connected to the Ethernet switch; and a remote monitoring center is connected to the Ethernet switch. The objective of the scheme is as follows: the Ethernet switch is used to carry out internal communication of the photovoltaic grid-connected power generation control system and the anti-interference capability of the system is high, thereby realizing distributed arrangement and control of photovoltaic power generation devices.
Description
[technical field]
The utility model relates to a kind of photovoltaic grid-connected generating control system.
[background technology]
At present, existing parallel network power generation equipment is varied, and normal controller and controlled generating conversion equipment adopt direct-connected mode to carry out communication and control, and its poor anti jamming capability is not suitable for the wider distributed control of scope.
Therefore, be necessary to solve as above problem.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, and a kind of photovoltaic grid-connected generating control system is provided, and it carries out communication by Ethernet switch, and antijamming capability is strong, can realize distributed setting and the control of photovoltaic generation equipment.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of photovoltaic grid-connected generating control system, comprise the direct current header box 2 that is connected with several solar modules 1, described direct current header box 2 outputs are connected with the DC power distribution cabinet 3 for the output of control direct current, described DC power distribution cabinet 3 outputs are connected with photovoltaic combining inverter 4 in turn, step-up transformer 5, switch 6 is incorporated into the power networks, described switch 6 opposite sides that are incorporated into the power networks are connected with electrical network, described control system also includes for the Ethernet switch 7 of communication and is used for control DC power distribution cabinet 3, photovoltaic combining inverter 4, the controller 10 that the switch 6 that is incorporated into the power networks is worked, described DC power distribution cabinet 3, photovoltaic combining inverter 4, switch 6 is incorporated into the power networks, controller 10 is connected on the Ethernet switch 7, also is connected with remote monitoring center 11 on the described Ethernet switch 7.
The number of described direct current header box 2 is a plurality of.
Described Ethernet switch 7 adopts optical fiber switch.
Be provided with killer switch 8 between described photovoltaic combining inverter 4 and the step-up transformer 5, described killer switch 8 is connected with controller 10 by Ethernet switch 7.
Compared with prior art, the beneficial effects of the utility model are:
1, adopt Ethernet switch to carry out communication, its antijamming capability is strong, can realize distributed setting and the control of photovoltaic generation equipment, controls more convenient.
2, the direct current header box can carry out distributed setting as required, is convenient to be connected with solar module.
3, Ethernet switch adopts optical fiber switch, further strengthens the antijamming capability of this control system internal communication, simultaneously, has improved communication speed.
[description of drawings]
Fig. 1 is structure principle chart of the present utility model.
[embodiment]
Be described in further detail by the utility model feature of embodiment and other correlated characteristic below in conjunction with accompanying drawing, so that technical staff's of the same trade understanding:
As shown in Figure 1, a kind of photovoltaic grid-connected generating control system, comprise the direct current header box 2 that is connected with several solar modules 1, described direct current header box 2 outputs are connected with the DC power distribution cabinet 3 for the output of control direct current, described DC power distribution cabinet 3 outputs are connected with photovoltaic combining inverter 4 in turn, step-up transformer 5, switch 6 is incorporated into the power networks, described switch 6 opposite sides that are incorporated into the power networks are connected with electrical network, described control system also includes for the Ethernet switch 7 of communication and is used for control DC power distribution cabinet 3, photovoltaic combining inverter 4, the controller 10 that the switch 6 that is incorporated into the power networks is worked, described DC power distribution cabinet 3, photovoltaic combining inverter 4, switch 6 is incorporated into the power networks, controller 10 is connected on the Ethernet switch 7, also is connected with remote monitoring center 11 on the described Ethernet switch 7.
In the present embodiment, the number of described direct current header box 2 is two, can the solar module 1 in two identical or different zones be confluxed.
Aforesaid Ethernet switch 7 adopts optical fiber switch, further strengthens the antijamming capability of this control system internal communication, simultaneously, has improved communication speed.
Be provided with killer switch 8 between aforesaid photovoltaic combining inverter 4 and the step-up transformer 5, described killer switch 8 is connected with controller 10 by Ethernet switch 7, when photovoltaic combining inverter 4 or step-up transformer 5 break down, can disconnect connection between the two.
As mentioned above, what this case was protected is a kind of photovoltaic grid-connected generating control system, and it carries out communication by Ethernet switch 7, and antijamming capability is strong, can realize distributed setting and the control of photovoltaic generation equipment.All technical schemes identical with this case structure all should be shown in the protection range that falls into this case.
Claims (4)
1. photovoltaic grid-connected generating control system, it is characterized in that: comprise the direct current header box (2) that is connected with several solar modules (1), described direct current header box (2) output is connected with the DC power distribution cabinet (3) for the output of control direct current, described DC power distribution cabinet (3) output is connected with photovoltaic combining inverter (4) in turn, step-up transformer (5), switch (6) is incorporated into the power networks, the described switch that is incorporated into the power networks (6) opposite side is connected with electrical network, described control system also includes the Ethernet switch (7) for communication and is used for control DC power distribution cabinet (3), photovoltaic combining inverter (4), the controller (10) of the switch (6) that is incorporated into the power networks work, described DC power distribution cabinet (3), photovoltaic combining inverter (4), switch (6) is incorporated into the power networks, controller (10) is connected on the Ethernet switch (7), also is connected with remote monitoring center (11) on the described Ethernet switch (7).
2. a kind of photovoltaic grid-connected generating control system according to claim 1, the number of the described direct current header box of its feature (2) is a plurality of.
3. a kind of photovoltaic grid-connected generating control system according to claim 1 and 2 is characterized in that described Ethernet switch (7) adopts optical fiber switch.
4. a kind of photovoltaic grid-connected generating control system according to claim 3, it is characterized in that being provided with killer switch (8) between described photovoltaic combining inverter (4) and the step-up transformer (5), described killer switch (8) is connected with controller (10) by Ethernet switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202308446U CN203218987U (en) | 2013-04-28 | 2013-04-28 | Photovoltaic grid-connected power generation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202308446U CN203218987U (en) | 2013-04-28 | 2013-04-28 | Photovoltaic grid-connected power generation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218987U true CN203218987U (en) | 2013-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202308446U Expired - Lifetime CN203218987U (en) | 2013-04-28 | 2013-04-28 | Photovoltaic grid-connected power generation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079004A (en) * | 2014-07-24 | 2014-10-01 | 沈阳爱易智慧能源科技有限公司 | Distribution type control system for photovoltaic power generation |
| CN104734606A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Photovoltaic energy storage equipment and photovoltaic system |
-
2013
- 2013-04-28 CN CN2013202308446U patent/CN203218987U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734606A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Photovoltaic energy storage equipment and photovoltaic system |
| CN104079004A (en) * | 2014-07-24 | 2014-10-01 | 沈阳爱易智慧能源科技有限公司 | Distribution type control system for photovoltaic power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |