CN220022342U - Photovoltaic power generation grid-connected power distribution system with multiple metering points in single grid-connected point - Google Patents
Photovoltaic power generation grid-connected power distribution system with multiple metering points in single grid-connected point Download PDFInfo
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- CN220022342U CN220022342U CN202321307892.0U CN202321307892U CN220022342U CN 220022342 U CN220022342 U CN 220022342U CN 202321307892 U CN202321307892 U CN 202321307892U CN 220022342 U CN220022342 U CN 220022342U
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- grid
- metering
- cabinet
- photovoltaic
- point
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- 238000010248 power generation Methods 0.000 title claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The utility model belongs to the technical field of power distribution systems, and particularly relates to a single grid-connected point photovoltaic power generation grid-connected power distribution system with a plurality of metering points, which comprises a wire inlet cabinet, wherein the wire inlet cabinet is internally provided with photovoltaic grid-connected points, one end of each photovoltaic grid-connected point is connected with a transformer, the other end of each photovoltaic grid-connected point is connected with a dense bus duct, one end of each dense bus duct is connected with a copper bar, the copper bar is connected with a grid-connected metering cabinet, a kilowatt-hour meter is arranged in the grid-connected metering cabinet, a mutual inductor is arranged in the grid-connected metering cabinet, the grid-connected metering cabinets are connected with a plurality of grid-connected metering cabinets, each grid-connected metering cabinet is connected in parallel through copper bars, and each grid-connected metering cabinet is provided with a grid-connected cabinet in series. The capacity of the parallel-division total assembly machine of the grid-connected metering cabinets is set; and each grid-connected metering cabinet is internally provided with a kilowatt-hour meter and a mutual inductor to form a photovoltaic power generation metering point, so that a plurality of metering points are realized, the capacity of the total assembly machine is uniformly spread by the grid-connected metering cabinets, and the mutual inductor has smaller specification and is convenient to purchase and install.
Description
Technical Field
The utility model relates to the technical field of power distribution systems, in particular to a photovoltaic power generation grid-connected power distribution system with a plurality of metering points in a single grid-connected point.
Background
The installation capacity of industrial and commercial distributed photovoltaic projects is generally large. When the power grid is accessed, if the installation capacity is too large, the specification selection of the mutual inductor matched with the photovoltaic power generation metering point is larger according to the conventional access method. Large-size transformers are difficult to purchase in the market, and meanwhile, due to the fact that the size of the transformers is large, the space in the electric cabinet is lacking, and therefore the large-size transformers are difficult to install. The utility model provides a photovoltaic grid-connected power distribution system, which can avoid the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a single grid-connected photovoltaic power generation grid-connected power distribution system with a plurality of metering points, and solves the problems proposed by the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a single grid-connected point takes a plurality of measurement point photovoltaic power generation grid-connected power distribution system, includes the inlet wire cabinet, the inside photovoltaic grid-connected point that is provided with of inlet wire cabinet, photovoltaic grid-connected point one end is connected with the transformer, the intensive bus duct is connected to the photovoltaic grid-connected point other end, intensive bus duct one end is connected with the copper bar, the copper bar is connected with the measurement cabinet that is incorporated into the power networks, the inside kilowatt-hour meter that is provided with of measurement cabinet that is incorporated into the power networks, the inside transformer that is provided with of measurement cabinet that is incorporated into the power networks, the measurement cabinet that is incorporated into the power networks is connected with the conflux cabinet.
As a preferable technical scheme of the utility model, a plurality of grid-connected metering cabinets are arranged, the grid-connected metering cabinets are connected in parallel through copper bars, each grid-connected metering cabinet is provided with a confluence cabinet, and the grid-connected metering cabinets and the confluence cabinets are connected in series.
As a preferable technical scheme of the utility model, each grid-connected metering cabinet is internally provided with a kilowatt-hour meter and a mutual inductor to form a photovoltaic power generation metering point,
as a preferable technical scheme of the utility model, the grid-connected metering cabinet is connected with the dense bus duct through copper bars to be connected with the incoming cabinet
Compared with the prior art, the utility model provides a single grid-connected point photovoltaic power generation grid-connected power distribution system with a plurality of metering points, which has the following beneficial effects: the number of the grid-connected metering cabinets is set to be a plurality, the grid-connected metering cabinets are connected in parallel through copper bars, each grid-connected metering cabinet is provided with a confluence cabinet, the grid-connected metering cabinets and the confluence cabinet are connected in series, and each grid-connected metering cabinet divides the capacity of the total assembly machine in a sharing mode; each grid-connected metering cabinet is internally provided with a kilowatt-hour meter and a mutual inductor to form a photovoltaic power generation metering point, so that a plurality of metering points are realized, the capacity of the total assembly machine is uniformly distributed by the plurality of grid-connected metering cabinets, and the mutual inductor has smaller specification and is convenient to purchase and install; the grid-connected metering cabinet is connected with the dense bus duct through the copper bars to be connected with the incoming line cabinet, and the installed capacity shares one photovoltaic grid-connected point.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a wire inlet cabinet; 2. photovoltaic grid-connected points; 3. a transformer; 4. dense bus duct; 5. a copper bar; 6. grid-connected metering cabinets; 7. electric meter; 8. a transformer; 9. and a collecting cabinet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in this embodiment: the utility model provides a single grid-connected point takes a plurality of measurement point photovoltaic power generation grid-connected power distribution system, including inlet wire cabinet 1, inlet wire cabinet 1 is inside to be provided with photovoltaic grid-connected point 2, and photovoltaic grid-connected point 2 one end is connected with transformer 3, and the intensive bus duct 4 is connected to photovoltaic grid-connected point 3 other end, and intensive bus duct 4 one end is connected with copper bar 5, and copper bar 5 is connected with grid-connected measurement cabinet 6, and grid-connected measurement cabinet 6 is inside to be provided with kilowatt-hour meter 7, and grid-connected measurement cabinet 6 is inside to be provided with mutual-inductor 8, and grid-connected measurement cabinet 6 is connected with conflux cabinet 9.
In the embodiment, a plurality of grid-connected metering cabinets 6 are arranged, the grid-connected metering cabinets 6 are connected in parallel through copper bars 5, each grid-connected metering cabinet 6 is provided with a confluence cabinet 9, the two are connected in series, and each grid-connected metering cabinet divides the capacity of the total assembly machine in a flat manner; each grid-connected metering cabinet 6 is internally provided with a kilowatt-hour meter 7 and a mutual inductor 8 to form a photovoltaic power generation metering point, so that a plurality of metering points are realized, the capacity of the total assembly machine is uniformly spread by the plurality of grid-connected metering cabinets, and the mutual inductor has smaller specification and is convenient to purchase and install; the grid-connected metering cabinet 6 is connected with the dense bus duct 4 through the copper bar 5 and is connected with the incoming line cabinet 1, and the installed capacity shares one photovoltaic grid-connected point.
The working principle and the using flow of the utility model are as follows: each grid-connected metering cabinet is provided with a confluence cabinet, the confluence cabinets are connected in series, the multiple grid-connected metering cabinets are connected in parallel through copper bars, each grid-connected metering cabinet divides the total installed capacity in a bisecting mode, each grid-connected metering cabinet is internally provided with an electric meter and a mutual inductor, multiple metering points are achieved, the total installed capacity is shared by the multiple grid-connected metering cabinets, at the moment, the mutual inductor is smaller in specification and convenient to purchase and install, the multiple grid-connected metering cabinets are connected in parallel through the copper bars, the incoming line cabinets are connected through the intensive bus ducts, and the total installed capacity shares one photovoltaic grid-connected point.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. A photovoltaic power generation grid-connected power distribution system with a plurality of metering points comprises a wire inlet cabinet (1), and is characterized in that: the novel photovoltaic grid-connected power grid is characterized in that a photovoltaic grid-connected point (2) is arranged inside the wire inlet cabinet (1), one end of the photovoltaic grid-connected point (2) is connected with a transformer (3), the other end of the photovoltaic grid-connected point (2) is connected with a dense bus duct (4), one end of the dense bus duct (4) is connected with a copper bar (5), the copper bar (5) is connected with a grid-connected metering cabinet (6), an electric meter (7) is arranged inside the grid-connected metering cabinet (6), a mutual inductor (8) is arranged inside the grid-connected metering cabinet (6), and the grid-connected metering cabinet (6) is connected with a busbar cabinet (9).
2. A single grid-connected photovoltaic power generation grid-tie distribution system with multiple metering points as claimed in claim 1, wherein: the number of the grid-connected metering cabinets (6) is multiple, the grid-connected metering cabinets (6) are connected in parallel through copper bars (5), each grid-connected metering cabinet (6) is provided with a confluence cabinet (9), and the grid-connected metering cabinets and the confluence cabinets are connected in series.
3. A single grid-connected photovoltaic power generation grid-tie distribution system with multiple metering points as claimed in claim 1, wherein: and each grid-connected metering cabinet (6) is internally provided with a kilowatt-hour meter (7) and a mutual inductor (8) to form a photovoltaic power generation metering point.
4. A single grid-connected photovoltaic power generation grid-tie distribution system with multiple metering points as claimed in claim 1, wherein: the grid-connected metering cabinet (6) is connected with the dense bus duct (4) through the copper bar (5) and is connected with the incoming line cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321307892.0U CN220022342U (en) | 2023-05-26 | 2023-05-26 | Photovoltaic power generation grid-connected power distribution system with multiple metering points in single grid-connected point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321307892.0U CN220022342U (en) | 2023-05-26 | 2023-05-26 | Photovoltaic power generation grid-connected power distribution system with multiple metering points in single grid-connected point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220022342U true CN220022342U (en) | 2023-11-14 |
Family
ID=88693471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321307892.0U Active CN220022342U (en) | 2023-05-26 | 2023-05-26 | Photovoltaic power generation grid-connected power distribution system with multiple metering points in single grid-connected point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220022342U (en) |
-
2023
- 2023-05-26 CN CN202321307892.0U patent/CN220022342U/en active Active
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