CN202435056U - Solar grid-connected generation control device for micro smart grid - Google Patents
Solar grid-connected generation control device for micro smart grid Download PDFInfo
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- CN202435056U CN202435056U CN2012200514891U CN201220051489U CN202435056U CN 202435056 U CN202435056 U CN 202435056U CN 2012200514891 U CN2012200514891 U CN 2012200514891U CN 201220051489 U CN201220051489 U CN 201220051489U CN 202435056 U CN202435056 U CN 202435056U
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- solar
- generation control
- power generation
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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Abstract
The utility model discloses a solar grid-connected generation control device for a micro smart grid, which comprises a data acquisition and analysis module and an energy distribution module, wherein the data acquisition and analysis module consists of a signal modulation circuit, an A/D conversion circuit, a digital signal processor and an output driving circuit; and the energy distribution module is a combination of DC contactors. The device controls solar generation according to user power consumption, namely, when the user power consumption is more than solar generation capacity, a solar grid-connected inverter is controlled to achieve grid-connected generation, and when the user power consumption is less than the solar generation capacity, in order to prevent counter-current flow generation of the inverter, energy input of inverter photovoltaic components is reduced, and the rest of the photovoltaic components are controlled to charge a storage battery so as to utilize generation capacity of the photovoltaic components to the utmost extent.
Description
Technical field
The utility model relates to the photovoltaic application, is specifically related to a kind of intelligent miniature electrical network and uses solar grid-connected power generation control.
Background technology
The intelligent miniature electrical network is to be the intelligent electric power use control system of a kind of environmental protection and energy saving of master with power consumer self distribution network; It mainly comprises electricity generation system, electric power distribution system, intelligent power system etc.Here mainly be a kind of control device of developing to the most frequently used solar grid-connected generating in the intelligent miniature grid generation system.
At present, because China's electrical network also is not suitable for the general user with sun the subject of knowledge and the object of knowledge energy output, upload on the public electric wire net.Set up own solar power system as the user so and just be compelled to do and one overlap and prevent the anti-backflow device of solar energy to grid generation, anti-backflow device in the past just simply lets inverter quit work, and can cause the unnecessary waste of the energy like this.
Summary of the invention
The purpose of the utility model is the deficiency that overcomes prior art; Provide a kind of intelligent miniature electrical network of solar power generation that can effectively utilize to greatest extent to use solar grid-connected power generation control; So that inverter output Energy Controllable; Simultaneously with power storage in standby battery, when the user needs with storage battery supply inverter inversion generating.
The technical scheme that the utility model adopts is: a kind of intelligent miniature electrical network is used solar grid-connected power generation control, comprises data collection and analysis module and energy distribution module;
Said module comprises signal conditioning circuit, analog to digital conversion circuit, digital signal processor and output driving circuit; Said signal conditioning circuit input is connected with on-the-spot normal voltage current signal harvester; Output is received the input of analog to digital conversion circuit; The digital signal output end of analog to digital conversion circuit is connected to the signal input part of digital signal processor; The input control signal of output driving circuit is provided by the output port of digital signal processor, outputs to said energy distribution module and on-the-spot solar inverter output AC contactor simultaneously;
Said energy distribution module is the combination of D.C. contactor, and the D.C. contactor input inserts on-the-spot photovoltaic module, a termination solar grid-connected inverter of D.C. contactor output, another termination batteries.
As preferably, said signal conditioning circuit adopts bipolarity operational amplifier LF351.
As preferably, analog-digital conversion circuit as described adopts AD676.
As preferably, said digital signal processor adopts 32 floating type digital processing unit TMS320VC33.
As preferably, said output driving circuit adopts the optocoupler TLP127 of Darlington output.
The utility model intelligent miniature electrical network is used solar grid-connected power generation control, mainly is to judge through the real-time detection to user power utilization amount, solar power generation amount:
1, when user power utilization amount the time, combining inverter is put into operation, to reduce the absorption of user to the electrical network electric weight greater than the solar power generation amount;
2, when solar power generation amount during, reduce the energy input of photovoltaic module, control the rest of light photovoltaic assembly simultaneously and charge a battery inverter greater than the required power consumption of user.
Beneficial effect: the utility model can effectively utilize existing photovoltaic module electricity amount to greatest extent, and is than in the past single anti-backflow device, more energy-conservation like this, more environmental protection.
Description of drawings
Fig. 1 is that the utility model intelligent miniature electrical network is with solar grid-connected power generation control principle assumption diagram.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is carried out detailed explanation.
As shown in Figure 1, a kind of intelligent miniature electrical network is used solar grid-connected power generation control, comprises data collection and analysis module 1 and energy distribution module 2;
Said data collection and analysis module 1 comprises signal conditioning circuit 11, analog to digital conversion circuit 12, digital signal processor 13 and output driving circuit 14; Said signal conditioning circuit 11 inputs are connected with on-the-spot normal voltage current signal harvester; Output is received the input of analog to digital conversion circuit 12; The digital signal output end of analog to digital conversion circuit 12 is connected to the signal input part of digital signal processor 13; The input control signal of output driving circuit 14 is provided by the output port of digital signal processor 13; Output to energy distribution module 2 and on-the-spot solar inverter output AC contactor simultaneously, signal conditioning circuit 11 adopts bipolarity operational amplifier LF351, and analog to digital conversion circuit adopts AD676; Digital signal processor 13 adopts 32 floating type digital processing unit TMS320VC33, and output driving circuit adopts the optocoupler TLP127 of Darlington output;
Said energy distribution module 2 is the combination of D.C. contactor, and the D.C. contactor input inserts on-the-spot photovoltaic module, a termination solar grid-connected inverter of D.C. contactor output, another termination batteries.
The concrete operation principle of the utility model is following:
The voltage and current signal of on-the-spot standard is through the conditioning of the signal conditioning circuit 11 of data collection and analysis module 1; Convert a rated transformation ratio into and can be the signal of analog to digital conversion circuit 12 acceptance, gather by analog to digital conversion circuit 12 again and convert the digital quantity that can supply digital signal processor 13 to analyze into; By the current power consumption of digital signal processor 13 computational analysis users; Remove to control output driving circuit 14 according to this result; Come the various combination of the D.C. contactor in the control energy distribution module 2 then by the output signal of output driving circuit 14, to reach the purpose of energy-conserving and environment-protective.Simultaneously output driving circuit 14 also export one the tunnel control on-the-spot solar grid-connected inverter output AC contactor signal, when this device breaks down, can directly excise this contactor like this, to reach the purpose of protection system by this circuit.
Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.The all available prior art of each part not clear and definite in the present embodiment realizes.
Claims (5)
1. an intelligent miniature electrical network is used solar grid-connected power generation control, it is characterized in that: comprise data collection and analysis module and energy distribution module;
Said module comprises signal conditioning circuit, analog to digital conversion circuit, digital signal processor and output driving circuit; Said signal conditioning circuit input is connected with on-the-spot normal voltage current signal harvester; Output is received the input of analog to digital conversion circuit; The digital signal output end of analog to digital conversion circuit is connected to the signal input part of digital signal processor; The input control signal of output driving circuit is provided by the output port of digital signal processor, outputs to said energy distribution module and on-the-spot solar inverter output AC contactor simultaneously;
Said energy distribution module is the combination of D.C. contactor, and the D.C. contactor input inserts on-the-spot photovoltaic module, a termination solar grid-connected inverter of D.C. contactor output, another termination batteries.
2. intelligent miniature electrical network according to claim 1 is used solar grid-connected power generation control, it is characterized in that: said signal conditioning circuit adopts bipolarity operational amplifier LF351.
3. intelligent miniature electrical network according to claim 1 is used solar grid-connected power generation control, it is characterized in that: analog-digital conversion circuit as described adopts AD676.
4. intelligent miniature electrical network according to claim 1 is used solar grid-connected power generation control, it is characterized in that: said digital signal processor adopts 32 floating type digital processing unit TMS320VC33.
5. intelligent miniature electrical network according to claim 1 is used solar grid-connected power generation control, it is characterized in that: said output driving circuit adopts the optocoupler TLP127 of Darlington output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200514891U CN202435056U (en) | 2012-02-17 | 2012-02-17 | Solar grid-connected generation control device for micro smart grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200514891U CN202435056U (en) | 2012-02-17 | 2012-02-17 | Solar grid-connected generation control device for micro smart grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435056U true CN202435056U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200514891U Expired - Fee Related CN202435056U (en) | 2012-02-17 | 2012-02-17 | Solar grid-connected generation control device for micro smart grid |
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| CN (1) | CN202435056U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856894A (en) * | 2012-09-25 | 2013-01-02 | 合肥国润智能电气技术有限公司 | Anti-countercurrent zero-power-consumption regulator |
| CN107069798A (en) * | 2017-01-17 | 2017-08-18 | 陕西科技大学 | The control method and its system of distributed photovoltaic power generation system |
| US10270253B2 (en) | 2015-05-14 | 2019-04-23 | Varentec, Inc. | System and method for regulating the reactive power flow of one or more inverters coupled to an electrical grid |
-
2012
- 2012-02-17 CN CN2012200514891U patent/CN202435056U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856894A (en) * | 2012-09-25 | 2013-01-02 | 合肥国润智能电气技术有限公司 | Anti-countercurrent zero-power-consumption regulator |
| US10270253B2 (en) | 2015-05-14 | 2019-04-23 | Varentec, Inc. | System and method for regulating the reactive power flow of one or more inverters coupled to an electrical grid |
| CN107069798A (en) * | 2017-01-17 | 2017-08-18 | 陕西科技大学 | The control method and its system of distributed photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING ZHENNENG ELECTRICAL VIBRATION AUTOMATION C Free format text: FORMER OWNER: CHANGZHOU GAOYUAN ELECTRIC POWER ELECTRONICS CO., LTD. Effective date: 20150716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150716 Address after: 706, room 420, Zhonghua Road, Qinhuai District, Jiangsu, Nanjing, 210001 Patentee after: Nanjing vibration Electric Automation Co., Ltd. Address before: 213000 No. 1, Dinghu Road, Wujin Economic Development Zone, Jiangsu, Changzhou Patentee before: Changzhou Gaoyuan Electric Power Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20190217 |