CN205583709U - Surplus electricity of solar energy or wind energy grid -connected electricity generation utilizes system - Google Patents
Surplus electricity of solar energy or wind energy grid -connected electricity generation utilizes system Download PDFInfo
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- CN205583709U CN205583709U CN201620060053.7U CN201620060053U CN205583709U CN 205583709 U CN205583709 U CN 205583709U CN 201620060053 U CN201620060053 U CN 201620060053U CN 205583709 U CN205583709 U CN 205583709U
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- wind
- voltage
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- electrical energy
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
Tradition solar energy or wind energy and network system, the technical scheme who generally takes is incorporated into the power networks solar energy or wind energy conversion's electric energy contravariant, and load simultaneously and mains connection directly provide the load required power by the commercial power. Adopt this kind of mode, when overcast and rainy, when sooner or later time or wind -force are more weak, the voltage that solar energy or wind power generation produced is less than the voltage requirement of being incorporated into the power networks, solar energy or wind energy conversion's electric energy can't was carried away this moment, led to the fact very big waste, thereby the while also can can not carry away the life who leads to the fact short circuit reduction photovoltaic array or aerogenerator because of the electric energy, and when the mains failure, also can use the load to exert an influence. The utility model discloses even if provide a surplus electricity of solar energy or wind energy grid -connected electricity generation utilizes system to this kind of factor, the main objective is incorporated into the power networks solar energy or wind energy conversion's electric energy contravariant, is incorporated into the power networks electric energy that voltage required with being less than of solar energy or wind energy conversion simultaneously and carries and supply the load to use after the battery storage, makes solar energy soft breeze energy utilization more abundant.
Description
Technical field
This utility model relates to Application of Solar Energy field, refers in particular to a kind of solar power generation grid-connecting system.
Background technology
China, as the first in the world big energy resource consumption state, is fallen behind by industry production capacity, and energy consumption is higher, expands extensive impact, and environmental pollution is day by day serious, and the task of environmental improvement is the most arduous, increasingly extensive as the solar energy of renewable and clean energy resource and the application of wind energy.
Tradition solar energy or wind power grid system, typically adopt the technical scheme that electric energy inversion grid connection solar energy or wind energy changed, load simultaneously electrically connect with city, civil power directly provide load required power supply.Adopt in this way, when overcast and rainy, time-division or wind-force are more weak sooner or later time, the voltage that solar electrical energy generation or wind-power electricity generation produce is less than grid-connected voltage request, now the electric energy of solar energy or wind energy conversion cannot transfer out, cause the biggest waste, also can not transfer out, because of electric energy, the service life causing short circuit thus reduce photovoltaic array or wind-driven generator simultaneously；And when mains failure, also load can be used and produce impact.
Summary of the invention
This utility model is aiming at this factor, it is provided that a kind of solar energy or the remaining electricity of wind power grid generating utilize system.
This utility model is aiming at this factor, it is provided that a kind of solar energy or the remaining electricity of wind power grid generating utilize system.
The technical solution of the utility model is a kind of solar energy of structure or the remaining electricity of wind power grid generating utilizes system, including solar electrical energy generation or wind-power electricity generation 1, controller 2, voltage detection module 3, accumulator 4, inverter 5, public electric wire net 6；It is characterized in that, described voltage detection module 3 is by described controller 2 and described solar electrical energy generation or wind-power electricity generation 1, described accumulator 4 and described public electric wire net 6 connect, to described solar electrical energy generation or the output voltage of wind-power electricity generation 1, the running voltage of described accumulator 4 and the voltage of described public electric wire net 6 detect, and send command adapted thereto according to testing result by described controller 2, the conveying direction of electric energy in control system, when the voltage that described solar electrical energy generation or wind-power electricity generation 1 export is higher than restriction threshold value, after the electric energy inversion that described solar electrical energy generation or wind-power electricity generation 1 are changed, are delivered to described public electric wire net 6；The voltage exported when described solar electrical energy generation or wind-power electricity generation 1 is less than restriction threshold value, or described public electric wire net 6 voltage is less than when limiting threshold value, and the electric energy that described solar electrical energy generation or wind-power electricity generation 1 are changed is delivered to described accumulator 4；When the running voltage of described accumulator 4 is less than restriction threshold value less than the voltage limiting threshold value and described solar electrical energy generation or wind-power electricity generation 1 output, described public electric wire net 6 charges to described accumulator；
Described solar electrical energy generation or wind-power electricity generation 1 are connected with described public electric wire net 6 through described inverter 5 by described controller 2, and the DC inverter described solar electrical energy generation or wind-power electricity generation 1 changed is into being delivered to described public electric wire net 6 after alternating current；
Described solar electrical energy generation or wind-power electricity generation 1 are also connected with described accumulator 4 by described controller 2, are delivered in described accumulator 4 by the electric energy less than grid-connected voltage request that described solar electrical energy generation or wind-power electricity generation 1 are changed；
Described public electric wire net 6 is connected with described accumulator 4 also by described controller 2, when described accumulator 4 voltage reaches the voltage limiting threshold value and described solar electrical energy generation or wind-power electricity generation 1 output less than restriction threshold value, charged for described accumulator 4 by described public electric wire net 6.
Preferably, described a kind of solar energy or the remaining electricity of wind power grid generating utilize system, it is characterised in that described voltage detection module 3 includes solar energy or wind energy output voltage detection module 31, network voltage detection module 32, battery tension detection module 33；Whether wherein said solar energy or wind energy output voltage detection module 31 reach grid-connected voltage request for the voltage detecting solar electrical energy generation or wind-power electricity generation 1 output, as reached grid-connected voltage request, the electric energy of the most described solar electrical energy generation or wind-power electricity generation 1 conversion is delivered to described public electric wire net 6 after inversion, such as the most grid-connected voltage request, the electric energy of the most described solar electrical energy generation or wind-power electricity generation 1 conversion is delivered to described accumulator 4；
Described network voltage detection module 32, for detecting the voltage of described public electric wire net 6, when described public electric wire net 6 voltage is less than grid-connected requirement, indicates described solar electrical energy generation or wind-power electricity generation 1 that the electric energy of conversion is delivered to accumulator；
Described battery tension detection module 33, for detecting the running voltage of described accumulator 4, when described accumulator 4 brownout and described solar electrical energy generation or the conveying of wind-power electricity generation 1 no-voltage, is charged to described accumulator 4 by described public electric wire net 6.
This utility model introduces apparatus for storing electrical energy accumulator in grid-connected system, the electrical power storage less than grid-connected requirement of solar energy or wind energy transformation is got up for load, has saved the energy greatly；Simultaneously when battery tension is relatively low reach to limit threshold value time, supplemented by civil power and charge into accumulator, can ensure that again normally using of the load that is connected with accumulator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of voltage detection module 3 in this utility model
1 it is wherein solar electrical energy generation or wind-power electricity generation, 2 is controller, 3 is voltage detection module, 4 is accumulator, 5 is inverter, 6 is public electric wire net；31 it is solar energy or wind energy output voltage detection module, 32 is network voltage detection module, 33 is battery tension detection module.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is described more fully.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make to disclosure of the present utility model more thoroughly comprehensively.
Refering to Fig. 1, in this utility model, each assembly is after plant produced completes, and assembles as shown in Figure 1.This utility model is particularly well-suited to distributed photovoltaic or wind power grid system, such as solar energy or wind powered street lamp grid-connected system etc.；As a example by solar energy or wind powered street lamp grid-connected system, solar energy or wind energy are arranged on street lamp post；Solar energy or wind energy are connected with accumulator by controller, are connected with public electric wire net through inverter by controller simultaneously；Public electric wire net is connected with accumulator by controller through inverter；Voltage detection module it is also associated with on controller, respectively the running voltage of voltage, the voltage of public electric wire net and accumulator that solar energy or wind energy export is detected, and send command adapted thereto according to testing result by controller, the conveying direction of electric energy in control system, when the voltage that solar electrical energy generation or wind-power electricity generation export is higher than restriction threshold value, after the electric energy inversion that solar electrical energy generation or wind-power electricity generation are changed, are delivered to public electric wire net；The voltage exported when solar electrical energy generation or wind-power electricity generation is less than restriction threshold value, or public electric wire net voltage is less than when limiting threshold value, and the electric energy that solar electrical energy generation or wind-power electricity generation are changed is delivered to accumulator；When the running voltage of accumulator is less than limiting the voltage of threshold value and solar electrical energy generation or wind-power electricity generation output less than when limiting threshold value, charged to accumulator by public electric wire net, it is ensured that the load being connected with accumulator properly functioning.
The foregoing is only the embodiment expressing this utility model design, it is impossible to be therefore interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for a person skilled in the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (2)
1. solar energy or the remaining electricity of wind power grid generating utilize a system, including solar electrical energy generation or wind-power electricity generation (1), controller (2), voltage detection module (3), accumulator (4), inverter (5), public electric wire net (6)；It is characterized in that, described voltage detection module (3) is by described controller (2) and described solar electrical energy generation or wind-power electricity generation (1), described accumulator (4) and described public electric wire net (6) connect, to described solar electrical energy generation or the output voltage of wind-power electricity generation (1), the running voltage of described accumulator (4) and the voltage of described public electric wire net (6) detect, and send command adapted thereto according to testing result by described controller (2), the conveying direction of electric energy in control system, when the voltage that described solar electrical energy generation or wind-power electricity generation (1) export is higher than when limiting threshold value, after the electric energy inversion that described solar electrical energy generation or wind-power electricity generation (1) are changed, are delivered to described public electric wire net (6)；The voltage exported when described solar electrical energy generation or wind-power electricity generation (1) is less than restriction threshold value, or described public electric wire net (6) voltage is less than when limiting threshold value, and the electric energy that described solar electrical energy generation or wind-power electricity generation (1) are changed is delivered to described accumulator (4)；When the running voltage of described accumulator (4) is less than limiting threshold value and described solar electrical energy generation or voltage that wind-power electricity generation (1) exports is less than when limiting threshold value, and described public electric wire net (6) charges to described accumulator；
Described solar electrical energy generation or wind-power electricity generation (1) are connected with described public electric wire net (6) through described inverter (5) by described controller (2), and the DC inverter described solar electrical energy generation or wind-power electricity generation (1) changed is into being delivered to described public electric wire net (6) after alternating current；
Described solar electrical energy generation or wind-power electricity generation (1) are also connected with described accumulator (4) by described controller (2), are delivered in described accumulator (4) by the electric energy less than grid-connected voltage request that described solar electrical energy generation or wind-power electricity generation (1) are changed；
Described public electric wire net (6) is connected with described accumulator (4) also by described controller (2), when the voltage that described accumulator (4) voltage reaches to limit threshold value and described solar electrical energy generation or wind-power electricity generation (1) exports is less than when limiting threshold value, it is that described accumulator (4) is charged by described public electric wire net (6).
A kind of solar energy the most according to claim 1 or the remaining electricity of wind power grid generating utilize system, it is characterized in that, described voltage detection module (3) includes solar energy or wind energy output voltage detection module (31), network voltage detection module (32), battery tension detection module (33)；Whether wherein said solar energy or wind energy output voltage detection module (31) reach grid-connected voltage request for the voltage detecting solar electrical energy generation or wind-power electricity generation 1 output, as reached grid-connected voltage request, the electric energy that the most described solar electrical energy generation or wind-power electricity generation (1) are changed is delivered to described public electric wire net (6) after inversion, the electric energy changed such as the most grid-connected voltage request, the most described solar electrical energy generation or wind-power electricity generation (1) is delivered to described accumulator (4)；
Described network voltage detection module (32) is used for detecting the voltage of described public electric wire net (6), when described public electric wire net (6) voltage is less than grid-connected requirement, indicates described solar electrical energy generation or wind-power electricity generation (1) that the electric energy of conversion is delivered to accumulator；
Described battery tension detection module (33) is used for detecting the running voltage of described accumulator (4), when described accumulator (4) brownout and described solar electrical energy generation or the conveying of wind-power electricity generation (1) no-voltage, described public electric wire net (6) charge to described accumulator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060053.7U CN205583709U (en) | 2016-01-22 | 2016-01-22 | Surplus electricity of solar energy or wind energy grid -connected electricity generation utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060053.7U CN205583709U (en) | 2016-01-22 | 2016-01-22 | Surplus electricity of solar energy or wind energy grid -connected electricity generation utilizes system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583709U true CN205583709U (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620060053.7U Withdrawn - After Issue CN205583709U (en) | 2016-01-22 | 2016-01-22 | Surplus electricity of solar energy or wind energy grid -connected electricity generation utilizes system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205583709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470992A (en) * | 2016-01-22 | 2016-04-06 | 杨敏杰 | Remaining electricity utilization system for solar or wind grid-connected power generation |
-
2016
- 2016-01-22 CN CN201620060053.7U patent/CN205583709U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470992A (en) * | 2016-01-22 | 2016-04-06 | 杨敏杰 | Remaining electricity utilization system for solar or wind grid-connected power generation |
| CN105470992B (en) * | 2016-01-22 | 2018-05-11 | 杨敏杰 | Electricity utilizes system more than solar energy or wind power grid power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20180511 |