CN207603213U - It is a kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa - Google Patents
It is a kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa Download PDFInfo
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- CN207603213U CN207603213U CN201721574377.3U CN201721574377U CN207603213U CN 207603213 U CN207603213 U CN 207603213U CN 201721574377 U CN201721574377 U CN 201721574377U CN 207603213 U CN207603213 U CN 207603213U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it includes the photovoltaic generation being connect respectively with busbar transmission of electricity branch, accumulator transmission of electricity branch and at least 1 load end branch；Photovoltaic generation transmission of electricity branch road is equipped with the first control switch and electricity generation system, and electricity generation system passes through the first control switch access busbar；Accumulator transmission of electricity branch road is equipped with the second control switch and energy-storage system, and energy-storage system passes through the second control switch access busbar；Load end branch road is equipped with third control switch.The utility model can solve the technical issues of African electric cost is high, and electricity consumption is unstable.
Description
Technical field
The utility model is related to electronic technology fields, and in particular to a kind of communication base station power supply monitoring method and device.
Background technology
African Territories are scarcely populated, vast areas without electricity generally by the way of minitype diesel oil engine short-duration power,
Only providing the evening short-duration power of the especially important load such as hospital, church, school and chief of a tribe family needs, generally at 3-4 hours.It is single
The pure powerup issue that these areas are solved by traditional water conservancy, thermal power generation.It is not only limited by energy conditions, while electric power
Conveying it is expensive, it is difficult to fundamentally solve wast rural area electrical problem.And simultaneously, vast African Territories possess complete
The best solar energy resources of ball, sunshine condition are richly endowed by nature.Photovoltaic generation provides electric power on the spot, and cost is relatively low, has congenital excellent
Gesture, but can not be fully used all the time.It constructs at village level based on light-preserved system（Clan）Independent micro-capacitance sensor is subtracting
While light supply of electric power cost and the electricity charge are born, make resident, hospital, school etc. throughout the year, electricity consumption can be stablized round the clock, be to solve
An effective ways and approach for African electrical problems.
The development of African light storage micro-capacitance sensor is also in initial stage, and function is incomplete, is mainly manifested in：
（1）Not for the effective scheme of African actual conditions, scheme does not have scalability.
（2）Due to each inverter（PCS）The battery pack state-of-charge connected（SOC）It has differences, traditional power pair
Battery management can not be taken into account etc. equal offshoot program.
（3）Do not have and differentiated control mechanism is carried out to load, it is impossible to important load uninterrupted power supply be effectively ensured.
Invention content
The main purpose of the utility model is that providing a kind of network system, African electric cost height can be solved, electricity consumption is not
The technical issues of stablizing.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：
A kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it includes the light being connect respectively with busbar
Volt power generation transmission of electricity branch, accumulator transmission of electricity branch and at least 1 load end branch；
Photovoltaic generation transmission of electricity branch road is equipped with the first control switch and electricity generation system, and electricity generation system is opened by the first control
Close access busbar；
Accumulator transmission of electricity branch road is equipped with the second control switch and energy-storage system, and energy-storage system is switched by the second control
Access busbar；
Load end branch road is equipped with third control switch.
Above-mentioned electricity generation system is photovoltaic generating system, is connect including photovoltaic electrification component and with photovoltaic electrification component
Photovoltaic DC-to-AC converter, photovoltaic DC-to-AC converter and the first control switch connection.
Above-mentioned photovoltaic electrification component includes solar energy photovoltaic panel.
Above-mentioned energy-storage system includes energy storage battery and the energy conversion system being connect with energy storage battery, and energy turns
Change system and the second control switch connection.
Above-mentioned energy conversion system is pcs system.
Including monitoring net and control net, monitor that the data terminal of net and control net is inverse with central controller, photovoltaic respectively
Become device, battery management system and energy conversion system connection.
Above-mentioned monitoring net is connect respectively with server, converter.
Above-mentioned converter is connect with header box.
Above-mentioned converter is protocol converter.
The utility model has the advantages that：
1. pass through energy conversion system（PCS）Realize two-way inversion, daytime photovoltaic directly to load power, avoid frequency
Numerous charge and discharge extend the service life of accumulator and whole system.
2.PCS and BMS effectively coordinates, and is contributed according to demanded power output and each accumulator group state-of-charge automatic equalization,
That is prolonging service life of battery, and realize that photovoltaic generation utilizes maximized economic optimization purpose.
3. pair load carries out differentiated control mechanism, important load is effectively ensured and does not power off；According to the property of load and important
Property, load is classified, in stored energy capacitance deficiency, the preferential electricity consumption for ensureing public utility, such as water pump, communication base station, doctor
Institute etc.（It is considered as first order load）, secondly school, government（It is considered as two stage loads）, be exactly again resident electric consumption on lighting（It is considered as
Three stage loads）, be exactly finally the electrical equipment such as living loads such as air-conditioning, fan electricity consumption（It is considered as four stage loads）.
4. has in-circuit emulation function.In order to realize the onsite acceptance of micro-grid system and control strategy preview, this programme
Central controller support On-line Fault emulation.It can be on primary connection figure by patterned micro-capacitance sensor emulator, user
The various parameters such as arbitrary customization microgrid control point, control sequential, electric type, pattern, real time inspection on off state, power supply
The work informations such as output and load condition start micro-capacitance sensor control strategy, and preview control strategy is to micro-capacitance sensor safety and stability and warp
Help the influence of operation, for user to the science of micro-capacitance sensor, efficiently control foundation be provided.
5. in addition to photovoltaic generation part, remaining equipment can be needed according to user and local environmental conditions, using in building
It places and container integrated apparatus two schemes.Particularly container integrated apparatus is that we are directed to African country's engineering skill
Art personnel lack, the reality that execution conditions are severe, construction period is tight, the effective solution provided.
Wherein, light storage micro-capacitance sensor container integrated apparatus includes earthed system, lightning-protection system, lighting system, warm and humid inspection
Examining system, alarm system, fire-fighting system, heat-insulating flame-retardant system, electrical interlocks system, mechanical chain system and safe escape and should
Anxious system.The device completes assembling, wiring and combined test at home.It can go on business and install to avoid installation personnel foreign countries, from
And reach and shorten the construction period, it is cost-effective.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples；
Fig. 1 is the system wiring figure of the utility model；
Fig. 2 is the data acquisition analysis system structure diagram of the utility model；
Fig. 3 is the vertical view of container in the utility model；
Fig. 4 is the front view of container in the utility model；
Fig. 5 is the left view of container in the utility model.
Specific embodiment
As shown in Figure 1, it is a kind of aim to solve the problem that Africa it is at village level without electric problem light storage micro-grid system, it include respectively with mother
Photovoltaic generation transmission of electricity branch 2, accumulator transmission of electricity branch 3 and at least 1 load end branch 4 that line 1 connects；
Photovoltaic generation transmission of electricity branch 2 is equipped with the first control and switchs 5 and electricity generation system, and electricity generation system passes through the first control
5 access busbar 1 of switch；
Accumulator transmission of electricity branch 3 is equipped with the second control and switchs 8 and energy-storage system, and energy-storage system is opened by the second control
Close 8 access busbares 1；
Load end branch 4 is equipped with third control switch 11.
The electricity generation system is photovoltaic generating system, is connect including photovoltaic electrification component 6 and with photovoltaic electrification component 6
Photovoltaic DC-to-AC converter 7, photovoltaic DC-to-AC converter 75 connect with the first control switch.
The photovoltaic electrification component 6 includes solar energy photovoltaic panel.
The energy-storage system includes energy storage battery 9 and the energy conversion system 10 being connect with energy storage battery 9, energy
Amount converting system 10 is connect with the second control switch 8.
The energy conversion system 10 is pcs system.
As shown in Fig. 2, including monitoring net 12 and control net 13, monitor net 12 and control net 13 data terminal respectively with
Central controller 14, photovoltaic DC-to-AC converter 7, battery management system 15 and energy conversion system 10 connect.
The monitoring net 12 is connect respectively with server 16, converter 17.
The converter 17 is connect with header box 18.
The converter 17 is protocol converter.
Optionally, diesel-driven generator interface can be set in the present system.
Wherein, system server is used to complete basic SCADA functions, information collection.The foundation of completion system database/repair
Change, picture foundation/modification, definition/modification of system operational parameters；Daily monitoring, control operation；The drafting of report is checked；In
Centre controller is used to implement system control；Photovoltaic DC-to-AC converter equipment, using serial communication.Communication protocol between equipment is compatible
's.The communication interface of each equipment has the control instruction for realizing required function completely, and is set during installation and debugging
It puts；Energy-storage system meets quickly advanced application control function, the management system of accumulator（BMS）And energy storage converting system
（PCS）All with 61850 stipulations access systems of IEC, and GOOSE is supported to communicate；In view of third-party needs, other intelligence are set
The communication of standby such as electric energy collection device, photovoltaic combiner box equipment is adopted as serial communication, passes through protocol converter access system；
The control strategy of this network system is as follows：
When by energy storage as main power source, energy accumulation current converter runs on voltage-frequency conversion（VF）Control model is established micro-
Network voltage and frequency, and the switching of photovoltaic is controlled using accumulator cell charging and discharging and micro-capacitance sensor central controller, realize microgrid
The stable operation of system.
This system is effectively coordinated by PCS and BMS, automatic according to demanded power output and each accumulator group state-of-charge
Uniform output effectively extends the energy storage battery service life, realizes that photovoltaic generation using maximized target, stablizes fortune in guarantee system
On the basis of row, the purpose of economic optimization is realized.
According to the property and importance of load, load is classified, in stored energy capacitance deficiency, preferentially ensures public set
The electricity consumption applied, such as water pump, communication base station, hospital（It is considered as first order load）, secondly school, government（It is considered as two stage loads）,
It is exactly the electric consumption on lighting of resident again（It is considered as three stage loads）, last exactly electrical equipment such as living loads such as air-conditioning, fan
Electricity consumption（It is considered as four stage loads）.
In order to realize the onsite acceptance of micro-grid system and control strategy preview, the central controller of this programme supports failure
In-circuit emulation.Microgrid control point, control can arbitrarily be customized on primary connection figure by patterned micro-capacitance sensor emulator, user
The various parameters such as sequential processed, electric type, pattern, real time inspection on off state, power supply are contributed and the operating modes such as load condition
Information starts micro-capacitance sensor control strategy, and influence of the preview control strategy to micro-capacitance sensor safety and stability and economical operation, is user couple
The science of micro-capacitance sensor, efficient control provide foundation.
In addition to photovoltaic generation part, remaining equipment can be needed according to user and local environmental conditions, using being put in building
It puts and container integrated apparatus two schemes.Particularly container is that we are directed to African country's engineering as shown in Figures 3 to 5
Technical staff lacks, the reality that execution conditions are severe, construction period is tight, the effective solution provided.
Light storage micro-capacitance sensor container integrated apparatus includes earthed system, lightning-protection system, lighting system, warm and humid detection system
System, alarm system, fire-fighting system, heat-insulating flame-retardant system, electrical interlocks system, mechanical chain system and safe escape and emergent system
System.The device completes assembling, wiring and combined test at home.It can go on business and install to avoid installation personnel foreign countries, so as to reach
It is cost-effective to shortening the construction period.
Using the above structure, in use, in daylight abundance, photovoltaic generating system issue electricity by direct current/
Exchange（DC/AC）Variation is powered, while charge to energy-storage system by busbar directly to load（Daytime, electricity consumption was low）；It arrives
At night, energy-storage system passes through energy conversion system（PCS）It powers to load.
Claims (9)
1. a kind of aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：It include respectively with mother
Line（1）The photovoltaic generation transmission of electricity branch of connection（2）, accumulator transmission of electricity branch（3）And at least 1 load end branch（4）；Light
Volt power generation transmission of electricity branch（2）The first control is equipped with to switch（5）And electricity generation system, electricity generation system are switched by the first control
（5）Access busbar（1）；Accumulator transmission of electricity branch（3）The second control is equipped with to switch（8）And energy-storage system, energy-storage system lead to
Cross the second control switch（8）Access busbar（1）；Load end branch（4）It is equipped with third control switch（11）.
2. according to claim 1 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：
The electricity generation system is photovoltaic generating system, including photovoltaic electrification component（6）And and photovoltaic electrification component（6）The light of connection
Lie prostrate inverter（7）, photovoltaic DC-to-AC converter（7）It is switched with the first control（5）Connection.
3. according to claim 2 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：
The photovoltaic electrification component（6）Including solar energy photovoltaic panel.
4. aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa according to one of claims 1 to 3,
It is characterized in that：The energy-storage system includes energy storage battery（9）And and energy storage battery（9）The energy conversion system of connection
System（10）, energy conversion system（10）It is switched with the second control（8）Connection.
5. according to claim 4 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：
The energy conversion system（10）For pcs system.
6. according to claim 5 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：
Including monitoring net（12）And control net（13）, monitor net（12）And control net（13）Data terminal respectively with central controller
（14）, photovoltaic DC-to-AC converter（7）, battery management system（15）And energy conversion system（10）Connection.
7. according to claim 6 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：
The monitoring net（12）Respectively with server（16）, converter（17）Connection.
8. according to claim 7 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, it is characterised in that：
The converter（17）With header box（18）Connection.
9. according to claim 7 or 8 aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa, feature exists
In：The converter（17）For protocol converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574377.3U CN207603213U (en) | 2017-11-22 | 2017-11-22 | It is a kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574377.3U CN207603213U (en) | 2017-11-22 | 2017-11-22 | It is a kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603213U true CN207603213U (en) | 2018-07-10 |
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ID=62759609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721574377.3U Active CN207603213U (en) | 2017-11-22 | 2017-11-22 | It is a kind of to aim to solve the problem that the at village level light storage micro-grid system without electric problem in Africa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603213U (en) |
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2017
- 2017-11-22 CN CN201721574377.3U patent/CN207603213U/en active Active
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