CN204374261U - A kind of batch meter for low pressure distributed photovoltaic power generation - Google Patents
A kind of batch meter for low pressure distributed photovoltaic power generation Download PDFInfo
- Publication number
- CN204374261U CN204374261U CN201520074838.5U CN201520074838U CN204374261U CN 204374261 U CN204374261 U CN 204374261U CN 201520074838 U CN201520074838 U CN 201520074838U CN 204374261 U CN204374261 U CN 204374261U
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- meter
- low pressure
- power generation
- distributed photovoltaic
- photovoltaic power
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- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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Abstract
The utility model discloses a kind of batch meter for low pressure distributed photovoltaic power generation, comprise casing, generated energy electric energy meter and energy metering table is provided with in casing, and the power information acquisition terminal be all connected with generated energy electric energy meter and energy metering table; A terminal of described generated energy electric energy meter is connected with the inverter of photovoltaic generation by the first switchgear; A terminal of described energy metering table is connected to load switching unit by second switch device; Another terminal of described generated energy electric energy meter and energy metering table is all connected to load by the 3rd switchgear.Generating, grid-connected, lower network metering and opertaing device are all encapsulated in same cabinet by the utility model, thus have possessed the anti-electricity-theft automatic control performance in complete meaning.
Description
Technical field
The utility model relates to power generation field, particularly relates to a kind of batch meter for low pressure distributed photovoltaic power generation.
Background technology
Advocate energetically along with country and promote new forms of energy project, the residential customers coming to handle the grid-connected project of distributed photovoltaic gets more and more, and has application to generate power for their own use, and also has application to generate power for their own use remaining electricity online.According to the grid-connected demand of the difference of client, according to the principle of " four unification, convenient and efficient ", accelerate distributed photovoltaic power generation project and net spee, for client completes grid-connected service within the flow process time limit.
But in the process of grid-connected service, have one to compare distinct issues and be, because inhabitant distribution formula photovoltaic generation project has certain requirement to equipment fabricating yard, or ground or roof or the water surface, therefore possess the small towns of inhabitant distribution formula photovoltaic generation project polydispersion in each county (district) of mounting condition, rural area, business area under one's jurisdiction expands to each company of county.Although city, the each business window of company of county has carried out the grid-connected service of distributed photovoltaic all in time, but after entering the construction stage, because batch meter invests making voluntarily by client, the batch meter that client provides has plenty of the transformation carried out on the table box foundation of existing family, what have is then that client has made to order voluntarily, material, size, reserved epi-position, switchgear distribution etc. are more chaotic, without unified technical requirement and equipping rules, quality also cannot ensure, cause the batch meter of portions of client because of the nothing measure of falling power transmission, the reasons such as configuration standard is lower cannot pass through grid-connected Acceptance application, have impact on the service schedule of the grid-connected project of distributed photovoltaic, client is also easily caused to be discontented with.Therefore, the standard of the batch meter of specification 380 (220) V distributed photovoltaic power generation, becomes current urgent problem.
Utility model content
The utility model provide a kind of distributed photovoltaic power generation grid-connected after accurate-metering, reliable to close and the batch meter for low pressure distributed photovoltaic power generation of safe operation.
For achieving the above object, the utility model adopts following technical scheme:
For a batch meter for low pressure distributed photovoltaic power generation, comprise casing, in casing, be provided with generated energy electric energy meter and energy metering table, and the power information acquisition terminal be all connected with generated energy electric energy meter and energy metering table; A terminal of described generated energy electric energy meter is connected with the inverter of photovoltaic generation by the first switchgear; A terminal of described energy metering table is connected to load switching unit by second switch device; Another terminal of described generated energy electric energy meter and energy metering table is all connected to load by the 3rd switchgear.
Described first switchgear is an isolating switch.
Described second switch device is a band undervoltage tripping isolating switch.
Described 3rd switchgear is an isolating switch.
Described load switching unit is a disconnector.
Described power information acquisition terminal, comprises controller, and the network transmission module be connected with controller; Described power information acquisition terminal carries out spatial load forecasting, electricity charge control and information acquisition to user power utilization information and uploads.
Described power information acquisition terminal is identical with generated energy electric energy meter size, and is connected with the reserved communication port of generated energy electric energy meter.
The material of described casing is stainless steel.
The beneficial effects of the utility model are:
(1) electric energy meter possesses electric current and information of voltage collection, realizes the Real-time Collection to generated energy, electricity volume, off line electricity and station-service electric quantity data and normality monitoring;
(2) gauging table Information Monitoring accesses administration of power networks department and photovoltaic generation administrative authority acquiring electric energy information system respectively, as electrical energy metering and electricity price subsidy foundation; Real-Time Monitoring user can be incorporated into the power networks situation, to preserve related data, check grid-connected fault;
(3) generating, grid-connected, lower network metering and opertaing device are all encapsulated in same cabinet by the utility model, thus have possessed the anti-electricity-theft automatic control performance in complete meaning.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is example structure schematic diagram of the present utility model.
Wherein, 1, casing; 2, generated energy electric energy meter; 3, energy metering table; 4, power information acquisition terminal; 5, the first switchgear; 6, second switch device; 7, the 3rd switchgear; 8, load switching unit; 9, load; 10, inverter; 11, photovoltaic module.
Embodiment
Below in conjunction with Figure of description, the utility model is described:
For a batch meter for low pressure distributed photovoltaic power generation, comprise casing 1; Generated energy electric energy meter 2 and energy metering table 3 is provided with in described casing 1, and the power information acquisition terminal 4 be all connected with generated energy electric energy meter 2 and energy metering table 3; A terminal of described generated energy electric energy meter 2 is connected with the inverter 10 of photovoltaic generation by the first switchgear 5, and inverter 10 is connected with photovoltaic module 11; A terminal of described energy metering table 3 is connected to on-load switch by second switch device 6 and fills 8 and put; Another terminal of described generated energy electric energy meter 2 and energy metering table 3 is all connected to load 9 by the 3rd switchgear 7, as shown in Figure 1.
As shown in Figure 2, for 380 (220) volt distributed photovoltaic power generation batch meters, this batch meter comprises casing 1, the material selection stainless steel of described casing 1, for ensureing the lasting, durable of batch meter;
Be provided with generated energy electric energy meter 2 in casing 1, its model selects DTZY22X type three-phase and four-line intelligent electric energy meter, is used for measuring the generated energy of photovoltaic generation; And
Energy metering table 3, its model also selects DTZY22X type three-phase and four-line intelligent electric energy meter, is used for measuring the electric flux of electrical network descending net; And
The power information acquisition terminal 4 be all connected with generated energy electric energy meter 2 and energy metering table 3;
A terminal of described generated energy electric energy meter 2 is connected with the inverter of photovoltaic generation by an isolating switch; A terminal of described energy metering table is connected to a disconnector by a band undervoltage tripping isolating switch; Another terminal of described generated energy electric energy meter 2 and energy metering table 3 is all connected to load by an isolating switch.
Before batch meter is implemented:
(1) without unified technical requirement and equipping rules, quality also cannot ensure.Cause the batch meter of portions of client because by grid-connected Acceptance application, the service schedule of the grid-connected project of distributed photovoltaic cannot be have impact on without reasons such as the measure of falling power transmission, configuration standard are lower, also easily cause client discontented;
(2) distributed photovoltaic batch meter because of the nonstandard production cycle long, clients fund drop into standard differ, batch meter quality is very different.
After enforcement:
(1) specification and the configuration standard having unified distributed photovoltaic power generation project batch meter, improve technical merit and the management level of low-pressure metering box, ensure safety, the reliability service of low-pressure metering box;
(2) can be mass batch meter, difference according to the mode of dissolving, electric pressure is directly received, design in the middle of greatly having saved, making link, because the universal standard, avoid because table meter, switch, the measure of falling power transmission such as not to configure at the rework aspect caused, save the invest in the transformation of real estate cost of client, also accelerate the time of grid-connected service.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. for a batch meter for low pressure distributed photovoltaic power generation, it is characterized in that, comprise casing, in casing, be provided with generated energy electric energy meter and energy metering table, and the power information acquisition terminal be all connected with generated energy electric energy meter and energy metering table; A terminal of described generated energy electric energy meter is connected with the inverter of photovoltaic generation by the first switchgear; A terminal of described energy metering table is connected to load switching unit by second switch device; Another terminal of described generated energy electric energy meter and energy metering table is all connected to load by the 3rd switchgear.
2. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, described first switchgear is an isolating switch.
3. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, described second switch device is a band undervoltage tripping isolating switch.
4. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, described 3rd switchgear is an isolating switch.
5. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, described load switching unit is a disconnector.
6. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, described power information acquisition terminal, comprises controller, and the network transmission module be connected with controller; Described power information acquisition terminal carries out spatial load forecasting, electricity charge control and information acquisition to user power utilization information and uploads.
7. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, described power information acquisition terminal is identical with generated energy electric energy meter size, and is connected with the reserved communication port of generated energy electric energy meter.
8. a kind of batch meter for low pressure distributed photovoltaic power generation as claimed in claim 1, it is characterized in that, the material of described casing is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074838.5U CN204374261U (en) | 2015-02-03 | 2015-02-03 | A kind of batch meter for low pressure distributed photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074838.5U CN204374261U (en) | 2015-02-03 | 2015-02-03 | A kind of batch meter for low pressure distributed photovoltaic power generation |
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| CN204374261U true CN204374261U (en) | 2015-06-03 |
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| CN201520074838.5U Expired - Fee Related CN204374261U (en) | 2015-02-03 | 2015-02-03 | A kind of batch meter for low pressure distributed photovoltaic power generation |
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Cited By (2)
| 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 |
| CN107179426A (en) * | 2017-06-06 | 2017-09-19 | 国网江苏省电力公司高邮市供电公司 | The anti-grid-connected repetition metering electric energy meter of one kind |
-
2015
- 2015-02-03 CN CN201520074838.5U patent/CN204374261U/en not_active Expired - Fee Related
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 |
| 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 |
| CN107179426A (en) * | 2017-06-06 | 2017-09-19 | 国网江苏省电力公司高邮市供电公司 | The anti-grid-connected repetition metering electric energy meter of one kind |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20160203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |