CN203896297U - Low voltage photovoltaic power generation meter box - Google Patents
Low voltage photovoltaic power generation meter box Download PDFInfo
- Publication number
- CN203896297U CN203896297U CN201420173175.8U CN201420173175U CN203896297U CN 203896297 U CN203896297 U CN 203896297U CN 201420173175 U CN201420173175 U CN 201420173175U CN 203896297 U CN203896297 U CN 203896297U
- Authority
- CN
- China
- Prior art keywords
- power generation
- photovoltaic power
- photovoltaic
- inverter
- switch
- 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 - Fee Related
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 27
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- 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 provides a low voltage photovoltaic power generation meter box belonging to the photovoltaic power generating metering tool field; the low voltage photovoltaic power generation meter box comprises a box body provided with a photovoltaic generating device and an inverter; an output end of the photovoltaic generating device is connected with one end of the inverter, the other end of the inverter is connected with an input end of a unidirectional intelligent meter through a K4 wire outlet switch; an output end of the unidirectional intelligent ammeter is respectively connected with a user load and one end of a K3 wire inlet switch, and the other end of the K3 wire inlet switch is connected with one end of a bidirectional intelligent ammeter through a K2 wire outlet switch, and the other end of the bidirectional intelligent ammeter is connected with a power system through a K1 wire inlet switch; photovoltaic generating data can be accurately measured.
Description
Technical field
The utility model provides a kind of low pressure photovoltaic generation table case, belongs to photovoltaic generation metering outfit field.
Background technology
Generation mode now often will be by consuming limited energy electrogenesis in next life energy; in producing electric energy; not only pollute environment; also be faced with that resource gradually reduces until exhausted crisis; existing solar power generation will become main flow from now on, and along with the development of solar power generation, can not adapt to the ammeter box of this not fixed amount output of solar energy electric energy completely; make specialty analysis personnel cannot take very detailed generating data, the Analysis and judgments foundation of impact to photovoltaic generation.
Utility model content
The utility model object is to provide a kind of low pressure photovoltaic generation table case, can precise measuring volt generating data.
Low pressure photovoltaic generation table case described in the utility model, comprise casing, casing is provided with photovoltaic power generation equipment and inverter, photovoltaic power generation equipment output is connected to inverter one end, the inverter other end is by K4 outlet switch, be connected to the input of unidirectional intelligent electric meter, the output of unidirectional intelligent electric meter is connected respectively on user's load and one end of K3 service entrance switch, the other end of K3 service entrance switch is connected to Bidirectional intelligent ammeter one end by K2 outlet switch, and the Bidirectional intelligent ammeter other end is connected in electric power system by K1 service entrance switch.
Described low pressure photovoltaic generation table case, first closed K4 outlet switch, K3 service entrance switch, K2 outlet switch and K1 service entrance switch, when user's photovoltaic power generation equipment coordinates outside output electric energy with inverter, single-phase intelligent ammeter can record all electric energy that photovoltaic power generation equipment sends, first the electric energy that photovoltaic power generation equipment sends is supplied user self and is used, user makes have more than is needed electric energy be connected to and in electric power system, be supplied electric power system and use by Bidirectional intelligent ammeter, if the electric energy that photovoltaic power generation equipment sends is not enough to supply user's request, user obtains electric energy from electric power system, another of Bidirectional intelligent ammeter is to the electric energy will recording user obtaining from electric power system, Bidirectional intelligent ammeter one to deduct another to numerical value on the occasion of supplying electric energy for user to electric power system, numerical value is that negative value is supplied electric energy for electric power system to user, in unidirectional intelligent electric meter, record the electric energy that photovoltaic power generation equipment sends, extremely be clear, the value that analyst can analyze photovoltaic generation easily, and can be to provide award to the user of power system power supply by national regulation accordingly.
The utility model compared with prior art beneficial effect is:
Described low pressure photovoltaic generation table case, first closed K4 outlet switch, K3 service entrance switch, K2 outlet switch and K1 service entrance switch, when user's photovoltaic power generation equipment coordinates outside output electric energy with inverter, single-phase intelligent ammeter can record all electric energy that photovoltaic power generation equipment sends, first the electric energy that photovoltaic power generation equipment sends is supplied user self and is used, user makes have more than is needed electric energy be connected to and in electric power system, be supplied electric power system and use by Bidirectional intelligent ammeter, if the electric energy that photovoltaic power generation equipment sends is not enough to supply user's request, user obtains electric energy from electric power system, another of Bidirectional intelligent ammeter is to the electric energy will recording user obtaining from electric power system, Bidirectional intelligent ammeter one to deduct another to numerical value on the occasion of supplying electric energy for user to electric power system, numerical value is that negative value is supplied electric energy for electric power system to user, in unidirectional intelligent electric meter, record the electric energy that photovoltaic power generation equipment sends, extremely be clear, the value that analyst can analyze photovoltaic generation easily, and can be to provide award to the user of power system power supply by national regulation accordingly.
Brief description of the drawings
Fig. 1 is the utility model example structure schematic diagram.
In figure: 1, casing; 2, photovoltaic power generation equipment; 3, inverter; 4, K4 outlet switch; 5, unidirectional intelligent electric meter; 6, K3 service entrance switch; 7, K2 outlet switch; 8, Bidirectional intelligent ammeter; 9, K1 service entrance switch.
Embodiment
Below in conjunction with the utility model, the utility model embodiment is described further:
As shown in Figure 1, low pressure photovoltaic generation table case described in the utility model, comprise casing 1, casing 1 is provided with photovoltaic power generation equipment 2 and inverter 3, photovoltaic power generation equipment 2 outputs are connected to inverter 3 one end, inverter 3 other ends are by K4 outlet switch 4, be connected to the input of unidirectional intelligent electric meter 5, the output of unidirectional intelligent electric meter 5 is connected respectively on user's load and one end of K3 service entrance switch 6, the other end of K3 service entrance switch 6 is connected to Bidirectional intelligent ammeter 8 one end by K2 outlet switch 7, Bidirectional intelligent ammeter 8 other ends are connected in electric power system by K1 service entrance switch 9.
Operating procedure and operation principle:
Described low pressure photovoltaic generation table case, first closed K4 outlet switch 4, K3 service entrance switch 6, K2 outlet switch 7 and K1 service entrance switch 9, when user's photovoltaic power generation equipment 2 coordinates outside output electric energy with inverter 3, single-phase intelligent ammeter 5 can record all electric energy that photovoltaic power generation equipment 2 sends, first the electric energy that photovoltaic power generation equipment 2 sends is supplied user self and is used, user makes have more than is needed electric energy be connected to and in electric power system, be supplied electric power system and use by Bidirectional intelligent ammeter 8, if the electric energy that photovoltaic power generation equipment 2 sends is not enough to supply user's request, user obtains electric energy from electric power system, another of Bidirectional intelligent ammeter 8 is to the electric energy will recording user obtaining from electric power system, Bidirectional intelligent ammeter 8 one to deduct another to numerical value on the occasion of supplying electric energy for user to electric power system, numerical value is that negative value is supplied electric energy for electric power system to user, in unidirectional intelligent electric meter 5, record the electric energy that photovoltaic power generation equipment sends, extremely be clear, the value that analyst can analyze photovoltaic generation easily, and can be to provide award to the user of power system power supply by national regulation accordingly.
Claims (1)
1. a low pressure photovoltaic generation table case, comprise casing (1), it is characterized in that, casing (1) is provided with photovoltaic power generation equipment (2) and inverter (3), photovoltaic power generation equipment (2) output is connected to inverter (3) one end, inverter (3) other end is by K4 outlet switch (4), be connected to the input of unidirectional intelligent electric meter (5), the output of unidirectional intelligent electric meter (5) is connected respectively on user's load and one end of K3 service entrance switch (6), the other end of K3 service entrance switch (6) is connected to Bidirectional intelligent ammeter one end by K2 outlet switch (7), the Bidirectional intelligent ammeter other end is connected in electric power system by K1 service entrance switch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173175.8U CN203896297U (en) | 2014-04-10 | 2014-04-10 | Low voltage photovoltaic power generation meter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173175.8U CN203896297U (en) | 2014-04-10 | 2014-04-10 | Low voltage photovoltaic power generation meter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896297U true CN203896297U (en) | 2014-10-22 |
Family
ID=51722649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173175.8U Expired - Fee Related CN203896297U (en) | 2014-04-10 | 2014-04-10 | Low voltage photovoltaic power generation meter box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203896297U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569527A (en) * | 2015-02-03 | 2015-04-29 | 国家电网公司 | Metering box used for low-voltage distributed type photovoltaic power generation |
| CN105301304A (en) * | 2015-09-18 | 2016-02-03 | 国网山东省电力公司临沂供电公司 | Power metering box for photovoltaic power generation |
| CN110068114A (en) * | 2019-04-24 | 2019-07-30 | 上海交通大学 | A kind of photovoltaic convertible frequency air-conditioner Poewr control method and control device |
-
2014
- 2014-04-10 CN CN201420173175.8U patent/CN203896297U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569527A (en) * | 2015-02-03 | 2015-04-29 | 国家电网公司 | Metering box used for low-voltage distributed type photovoltaic power generation |
| CN104569527B (en) * | 2015-02-03 | 2017-09-15 | 国家电网公司 | A kind of batch meter for low pressure distributed photovoltaic power generation |
| CN105301304A (en) * | 2015-09-18 | 2016-02-03 | 国网山东省电力公司临沂供电公司 | Power metering box for photovoltaic power generation |
| CN105301304B (en) * | 2015-09-18 | 2018-04-27 | 国网山东省电力公司临沂供电公司 | Photovoltaic generation electric metering box |
| CN110068114A (en) * | 2019-04-24 | 2019-07-30 | 上海交通大学 | A kind of photovoltaic convertible frequency air-conditioner Poewr control method and control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |