CN207475204U - A kind of energy-storage system available for photovoltaic generation - Google Patents
A kind of energy-storage system available for photovoltaic generation Download PDFInfo
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- CN207475204U CN207475204U CN201721529659.1U CN201721529659U CN207475204U CN 207475204 U CN207475204 U CN 207475204U CN 201721529659 U CN201721529659 U CN 201721529659U CN 207475204 U CN207475204 U CN 207475204U
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model is related to a kind of energy-storage systems available for photovoltaic generation, it includes solar energy acquisition module, is used to acquire solar energy and converts thereof into electric energy, and the solar energy acquisition module includes solar energy collecting plate and light energy converter；Energy-storage module, the energy-storage module are connected with solar energy acquisition module, are used to store the electric energy that solar energy acquisition module is converted；Inversion boosting module, the inversion boosting module are connected with energy-storage module, are used for the electric energy inversion boosting for providing energy-storage module as stable alternating voltage and frequency, powering load；The energy-storage module includes at least two energy-storage units, and each energy-storage units access power grid in parallel；The energy-storage units are using ternary lithium battery group as energy storage core.The utility model greatly optimizes equipment volume and weight and battery efficiency, and energy conservation and environmental protection in intensity of illumination deficiency, rationally adjusts power supply, and is conducive to the planning of system overall routing.
Description
Technical field
The utility model is related to technical field of photovoltaic power generation, and in particular to a kind of energy-storage system available for photovoltaic generation.
Background technology
With petering out for traditional petroleum-based energy, green regenerative energy sources obtain swift and violent development.Photovoltaic
Generation technology has obtained the continuous concern of various countries, has become and utilizes one of major way of solar energy.Carry out photovoltaic
The research of electricity generation system for alleviating energy and environmental problem, improves energy consumption structure, improves distributed generation system
Can, photovoltaic generation industry is opened up, there is great theory and realistic meaning.
Energy-storage battery currently used for photovoltaic generation is to manage battery based on colloid battery, lead-acid battery and ferric phosphate, is filled
Discharging efficiency is relatively low, and service life is shorter, and volume weight is larger.
Utility model content
The utility model uses ternary lithium battery group, has the 2 times of efficiencies and 2/3 volume of conventional batteries, MPPT circuit controls
System, efficiency for charge-discharge are up to 98%, greatly optimize equipment volume and weight and battery efficiency.
Technical solution is as follows used by the utility model：
A kind of energy-storage system available for photovoltaic generation, it includes
Solar energy acquisition module is used to acquire solar energy and converts thereof into electric energy, the solar energy acquisition module packet
Include solar energy collecting plate and light energy converter；
Energy-storage module, the energy-storage module are connected with solar energy acquisition module, are used to store solar energy acquisition module
The electric energy converted；
Inversion boosting module, the inversion boosting module are connected with energy-storage module, are used for provide energy-storage module
Alternating voltage and frequency of the electric energy inversion boosting for stabilization, powering load；
The energy-storage module includes at least two energy-storage units, and each energy-storage units access power grid in parallel；
The energy-storage units are using ternary lithium battery group as energy storage core.
Above-mentioned energy-storage module disclosure satisfy that following functions requirement when as power grid main power source：Maximum supports more parallel connections,
Using no master ＆ slave control, any failure does not interfere with other work, meets the requirement of system redundancy and dilatation.
Preferably, the solar energy acquisition module includes the solar energy acquisition unit being mutually equal with energy-storage units quantity, institute
It states solar energy acquisition unit and includes solar energy collecting plate and light energy converter；Each solar energy acquisition unit and an energy storage
Unit is connected, single to provide energy for the energy-storage units.
Preferably, the energy-storage units are connected with energy storage TCU transfer control unit, and the energy storage TCU transfer control unit is used to control
Lithium battery group charge and discharge processed, and energy storage TCU transfer control unit access inversion boosting module.
The inversion boosting module includes inverter, transformer and high-voltage switch gear, the inverter and the energy-storage module
It is connected, the electric energy of energy-storage module is converted into alternating current.
Preferably, RS485 communication interfaces are installed, the RS485 communication interfaces store up for managing on the energy-storage units
The status information of ternary lithium battery group in energy unit, monitoring and transmission lithium battery group.
The energy-storage system is capable of providing stable alternating voltage and frequency, supports the two-way flow of energy.Work as solar charging
When sufficient, solar energy collecting plate acquisition luminous energy is transformed into electric energy, energy storage TCU transfer control unit is controlled to ternary via light energy converter
Lithium battery group charges；When solar energy deficiency or night, the control ternary lithium battery group electric discharge of energy storage TCU transfer control unit makes lithium battery
The electric energy stored in group flows into inverter and is converted to alternating current, and alternating current is processed into stable voltage and frequency via transformer again
Rate is incorporated to urban distribution network.
The working method of the energy-storage system is：It is realized by the charging-discharging controller in energy storage TCU transfer control unit perfect
Battery management has energy-storage battery three stage charging system function.The energy-storage system has the function of constant power source, and watt level can be by
User's host computer is set or the setting of internal logic controller.When battery capacity can meet system requirements, current transformer work
In invariable power state；When battery is full of, system automatically exits from constant power mode, is transferred to floating charge pattern.
Implementation the technical solution of the utility model has the advantage that and good effect：
(1) equipment volume and weight and battery efficiency are greatly optimized.
(2) energy conservation and environmental protection in intensity of illumination deficiency, rationally adjusts power supply.
(3) be conducive to the planning of system overall routing.
Description of the drawings
Fig. 1 is a kind of structure diagram for the energy-storage system that photovoltaic generation can be used in the utility model
The flow graph of energy-storage system when Fig. 2 is luminous energy abundance；
The flow graph of energy-storage system when Fig. 3 is luminous energy deficiency.
Specific embodiment
It is right in conjunction with attached drawing by the way of specific embodiment in order to be easier to understand technical solutions of the utility model
Clear, complete description that the technical solution of the utility model carries out.It should be noted that embodiment described herein is only that this practicality is new
The section Example of type rather than whole realization methods of the utility model, the embodiment only have it is exemplary, effect be only
It is provided for auditor and the public and understands mode that the utility model content is more simple and clear rather than to described in the utility model
The limitation of technical solution.Without departing from the concept of the premise utility, all those of ordinary skill in the art do not make
Creative work is with regard to thinkable other embodiment and other simple replacements to technical solutions of the utility model and various changes
Change, belong to the scope of protection of the utility model.
Embodiment 1
The utility model discloses a kind of energy-storage systems available for photovoltaic generation, it includes solar energy acquisition module,
For acquiring solar energy and converting thereof into electric energy, the solar energy acquisition module includes solar energy collecting plate and luminous energy is converted
Device；Energy-storage module, the energy-storage module are connected with solar energy acquisition module, are used to storing solar energy acquisition module and be converted
Electric energy；Inversion boosting module, including inverter, transformer and high-voltage switch gear, the inversion boosting module and energy-storage module phase
Connection is used for the electric energy inversion boosting for providing energy-storage module as stable alternating voltage and frequency, powering load.
As shown in Figure 1, the energy-storage module includes 2 energy-storage units, 2 energy-storage units access power grid in parallel,
Each energy-storage units connect that there are one solar energy acquisition units；Energy-storage units using ternary lithium battery group as energy storage core,
Ternary lithium battery connects energy storage TCU transfer control unit, energy storage TCU transfer control unit access inverter.
RS485 communication interfaces are installed, RS485 communication interfaces are used to manage three in energy-storage units on the energy-storage units
The status information of first lithium battery, monitoring and transmission lithium battery group.
The energy-storage system is capable of providing stable alternating voltage and frequency, supports the two-way flow of energy.As shown in Fig. 2,
When solar energy abundance, solar energy collecting plate acquisition luminous energy is transformed into electric energy, energy storage TCU transfer control unit via light energy converter
It controls and charges to ternary lithium battery group, when RS485 communication interfaces show that lithium battery group electricity is full of, then stop charging；Such as Fig. 3
Shown, solar energy is insufficient or during night, the control ternary lithium battery group electric discharge of energy storage TCU transfer control unit makes to store in lithium battery group
Electric energy flow into inverter be converted to alternating current, alternating current is processed into stable voltage and frequency via transformer again, is incorporated to city
Utility grid.
The working method of the energy-storage system is：Perfect battery management has energy-storage battery three stage charging system function.The storage
Energy system has the function of constant power source, and watt level can be set by user's host computer or the setting of internal logic controller.When
When battery capacity can meet system requirements, current transformer is operated in invariable power state；When battery is full of, system automatically exits from permanent work(
Rate pattern is transferred to floating charge pattern.
The technical solution has the advantage that and good effect：
(1) equipment volume and weight and battery efficiency are greatly optimized.
(2) energy conservation and environmental protection in intensity of illumination deficiency, rationally adjusts power supply.
(3) be conducive to the planning of system overall routing.
The embodiment of the utility model is described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, above-mentioned specific embodiment is only schematical rather than restricted, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (5)
1. a kind of energy-storage system available for photovoltaic generation, it includes
Solar energy acquisition module is used to acquire solar energy and converts thereof into electric energy, and the solar energy acquisition module is included too
Positive energy collection plate and light energy converter；
Energy-storage module, the energy-storage module are connected with solar energy acquisition module, are used to storing solar energy acquisition module and turn
The electric energy changed；
Inversion boosting module, the inversion boosting module are connected with energy-storage module, are used for the electric energy for providing energy-storage module
Alternating voltage and frequency of the inversion boosting for stabilization, powering load；
It is characterized in that：
The energy-storage module includes at least two energy-storage units, and each energy-storage units access power grid in parallel；
The energy-storage units are using ternary lithium battery group as energy storage core.
2. energy-storage system according to claim 1, which is characterized in that the solar energy acquisition module includes and energy-storage units
The mutually equivalent solar energy acquisition unit of quantity, the solar energy acquisition unit include solar energy collecting plate and light energy converter；Often
A solar energy acquisition unit is connected with an energy-storage units, single to provide energy for the energy-storage units.
3. energy-storage system according to claim 1 or 2, which is characterized in that the energy-storage units are connected with energy storage conversion control
Unit processed, the energy storage TCU transfer control unit are used to control the lithium battery group charge and discharge, and the energy storage conversion and control list
Member access inversion boosting module.
4. energy-storage system according to claim 1, which is characterized in that the inversion boosting module includes inverter, transformation
Device and high-voltage switch gear, the inverter are connected with the energy-storage module, and the electric energy of energy-storage module is converted into alternating current.
5. energy-storage system according to claim 3, which is characterized in that RS485 communications are equipped on the energy-storage units and are connect
Mouthful, the RS485 communication interfaces are used to monitor and transmit the status information of lithium battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529659.1U CN207475204U (en) | 2017-11-15 | 2017-11-15 | A kind of energy-storage system available for photovoltaic generation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721529659.1U CN207475204U (en) | 2017-11-15 | 2017-11-15 | A kind of energy-storage system available for photovoltaic generation |
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| CN207475204U true CN207475204U (en) | 2018-06-08 |
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| CN201721529659.1U Active CN207475204U (en) | 2017-11-15 | 2017-11-15 | A kind of energy-storage system available for photovoltaic generation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038780A (en) * | 2018-06-29 | 2018-12-18 | 华为技术有限公司 | A kind of photovoltaic system |
| CN113852125A (en) * | 2021-09-24 | 2021-12-28 | 江苏曦日新能源科技有限公司 | Photovoltaic shimmer power generation system and photovoltaic shimmer power generation method |
| CN114050599A (en) * | 2021-12-02 | 2022-02-15 | 江苏曦日新能源科技有限公司 | Peak-adjustable photovoltaic power generation system and peak-adjustable photovoltaic power generation method |
-
2017
- 2017-11-15 CN CN201721529659.1U patent/CN207475204U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038780A (en) * | 2018-06-29 | 2018-12-18 | 华为技术有限公司 | A kind of photovoltaic system |
| CN113852125A (en) * | 2021-09-24 | 2021-12-28 | 江苏曦日新能源科技有限公司 | Photovoltaic shimmer power generation system and photovoltaic shimmer power generation method |
| CN114050599A (en) * | 2021-12-02 | 2022-02-15 | 江苏曦日新能源科技有限公司 | Peak-adjustable photovoltaic power generation system and peak-adjustable photovoltaic power generation method |
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