CN205070576U - Hybrid -type circuit topology structure - Google Patents
Hybrid -type circuit topology structure Download PDFInfo
- Publication number
- CN205070576U CN205070576U CN201520820065.0U CN201520820065U CN205070576U CN 205070576 U CN205070576 U CN 205070576U CN 201520820065 U CN201520820065 U CN 201520820065U CN 205070576 U CN205070576 U CN 205070576U
- Authority
- CN
- China
- Prior art keywords
- diode
- bus
- hybrid
- electronic switch
- booster converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a hybrid -type circuit topology structure, including the booster converter, the photovoltaic cell board links to each other with the input of booster converter, and booster converter output is connected with the dc bus, the battery links to each other with the input of bidirectional transform ware, and the output of bidirectional transform ware is connected with the dc bus through electronic switch, the anodal of photovoltaic cell board is connected with diode D1's positive pole, and diode D1's negative pole and electronic switch are connected, dc -to -ac converter direct current side is connected with the dc bus, and interchange side and the electric wire netting and the load of dc -to -ac converter are connected. The utility model discloses a photovoltaic cell board charges for the battery only has the one -level circuit, when electric wire netting or load power supply are given alone to the photovoltaic cell board simultaneously, only comprises two -stage circuit structure, and the generating efficiency is high, can effectively improve the conversion efficiency of system, improves the power density of the power electronic system of multiple input, simultaneously the cost of lowering system.
Description
Technical field
The utility model relates to a kind of hybrid-type circuit topological structure, belongs to electric and electronic technical field.
Background technology
Photovoltaic generation and battery energy storage with the use of, reliable and stable electric power can be realized and export, the electrical problem of remote districts can either be solved, effectively can meet again the electricity consumption breach of developed regions, reduce carbon emission, improve air pollution.So hybrid-type system is risen gradually, is subject to extensive concern.
In the system of photovoltaic, energy storage Mixed design, hybrid-type inverter is the key factor realizing reliable and stable electric power output.The circuit structure that current hybrid-type inverter adopts usually as shown in Figure 1, is on the basis of the photovoltaic DC-to-AC converter of existing two-stage type, increases the photovoltaic charger of band MPPT (maximal power tracing).Wherein photovoltaic battery panel charges the battery and to be completed by one-level Buck circuit, battery discharge is completed (Boost circuit+INV inverter circuit) by two-stage circuit structure, the discharge and recharge overall efficiency of battery is high, but, in the system of light storage Mixed design, most of the time is operated in photovoltaic separately to the pattern of electrical network or load supplying, the circuit structure of Fig. 1, when photovoltaic is to mains supply, complete this function (Buck circuit+Boost circuit+INV inverter circuit) by the circuit structures of three grades, generating efficiency is very low.Meanwhile, the mode of operation of three grades also makes Systematical control become more complicated, is not easy steady operation.
Fig. 2 is the circuit structure that another kind of hybrid-type inverter adopts usually, is on the basis of the photovoltaic DC-to-AC converter of existing many MPPT two-stage type, one of them Boost circuit is changed to reversible transducer.Wherein, when photovoltaic battery panel is separately to electrical network or load supplying, be only made up of (Boost circuit+INV inverter circuit) two-stage circuit structure, generating efficiency is high.But, photovoltaic battery panel charges the battery and to be made up of (Boost circuit+Buck reduction voltage circuit) two-stage circuit, battery discharge also has two-stage circuit structure (Boost circuit+INV inverter circuit), and battery charging and discharging overall efficiency is lower.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of for photovoltaic, energy storage mixed input system, photovoltaic generation high efficiency and the high comprehensive conversion efficiency of battery charging and discharging can be realized, hybrid-type circuit topological structure that control mode is fairly simple simultaneously simultaneously.
In order to solve the problems of the technologies described above, the technical solution of the utility model is to provide a kind of hybrid-type circuit topological structure, it is characterized in that: comprise booster converter, photovoltaic battery panel is connected with the input of booster converter, and booster converter exports and is connected with DC bus; Battery is connected with the input of reversible transducer, and the output of reversible transducer is connected with DC bus by electronic switch; The positive pole of photovoltaic battery panel is connected with the anode of diode D1, and the negative electrode of diode D1 is connected with electronic switch; Inverter direct-flow side is connected with DC bus, and the AC of inverter is connected with electrical network and load.
Preferably, described electronic switch is diode D2, and the anode of diode D2 is connected with the anode of described reversible transducer and diode D1, and the negative electrode of diode D2 is connected with described DC bus.
Photovoltaic battery panel is charged to battery by diode D1 and reversible transducer; Battery, by reversible transducer, diode D2 and inverter, discharges to electrical network and load; Photovoltaic battery panel, by booster converter and inverter, provides energy to electrical network and load; Inverter is unified coordinates the power of battery charging and discharging and the power output of photovoltaic battery panel.
Preferably, described electronic switch is bidirectional electronic switch Q1.
Preferably, described bidirectional electronic switch Q1 is the MOSFET pipe of band anti-paralleled diode, and the source electrode of MOSFET pipe is connected with the negative electrode of described diode D1 and described reversible transducer, and the drain electrode of MOSFET pipe is connected with described DC bus.
Photovoltaic battery panel is charged to battery by diode D1 and reversible transducer, and turn off MOSFET pipe in the process, now photovoltaic battery panel is by booster converter and inverter, also can provide energy to electrical network and load; Discharged to battery by reversible transducer, MOSFET pipe and inverter, conducting MOSFET manages in the process, can realize higher cell discharge efficiency.
Preferably, described bidirectional electronic switch Q1 is the IGBT pipe of band anti-paralleled diode, and the emitter of IGBT pipe is connected with the negative electrode of described diode D1 and described reversible transducer; The collector electrode of IGBT pipe is connected with described DC bus.
Photovoltaic battery panel is managed by IGBT and reversible transducer charges to battery, and turn off IGBT pipe in the process, now photovoltaic battery panel is by booster converter and inverter, also can provide energy to electrical network and load; Discharged to battery by reversible transducer, IGBT pipe and inverter, conducting IGBT manages in the process.
Preferably, described booster converter can be that other has the converter of DC-DC function.
The circuit topological structure that the utility model provides, achieve photovoltaic battery panel and charge the battery and only have stage circuit, battery charging and discharging overall efficiency obtains effective lifting.Meanwhile, when photovoltaic battery panel is separately to electrical network or load supplying, be only made up of (Boost circuit+INV inverter circuit) two-stage circuit structure, generating efficiency is high, achieves the optimum of each mode of operation efficiency of hybrid inverter.Effectively can improve the conversion efficiency of system, improve the power density of the power electronic system of multiple input, reduce the cost of system simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of electrical block diagram that hybrid-type inverter adopts usually;
Fig. 2 is the another kind of electrical block diagram that hybrid-type inverter adopts usually;
Hybrid-type circuit topological structure schematic diagram that Fig. 3 provides for embodiment 1;
Hybrid-type circuit topological structure schematic diagram that Fig. 4 provides for embodiment 2.
Embodiment
For making the utility model become apparent, hereby with several preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment 1
Hybrid-type circuit topological structure schematic diagram that Fig. 3 provides for embodiment 1, described hybrid-type circuit topological structure comprises booster converter, reversible transducer, inverter, diode D1, diode D2, photovoltaic battery panel is connected with the input of booster converter, booster converter exports and is connected with DC bus (BUS+, BUS-); Battery is connected with the input of reversible transducer, and the output of reversible transducer is connected by diode D2 and DC bus (BUS+, BUS-); The positive pole of photovoltaic battery panel is connected with the anode of diode D1, and the negative electrode of diode D1 is connected with the anode of diode D2; Inverter direct-flow side and DC bus (BUS+, BUS-) are connected, and the AC of inverter is connected with electrical network, load.
Photovoltaic battery panel is charged to battery by diode D1 and reversible transducer; Battery is by reversible transducer, diode D2 and inverter, and discharge to electrical network and load, achieve the discharge and recharge that three grades of circuit complete battery, overall efficiency is high; Photovoltaic battery panel, by booster converter and inverter, provides energy to electrical network and load, also achieves high generating efficiency.Inverter is unified coordinates the power of battery charging and discharging and the power output of photovoltaic battery panel.
Wherein, booster converter can also be the converter of other DC-DC.
Embodiment 2
Hybrid-type circuit topological structure schematic diagram that Fig. 4 provides for embodiment 2, it is on the basis of Fig. 3, diode D2 is replaced by bidirectional electronic switch Q1, this change makes on the basis of the operation principle of Fig. 3, and electrical network also can be charged to battery by inverter, bidirectional electronic switch Q1, reversible transducer.Mode of operation is more flexible, various, can meet more application demand.
Bidirectional electronic switch Q1 selects the MOSFET pipe of band anti-paralleled diode.
Hybrid-type circuit topological structure comprises the MOSFET of booster converter, reversible transducer, inverter, diode D1, band anti-paralleled diode, photovoltaic battery panel is connected with the input of booster converter, booster converter exports and is connected with DC bus (BUS+, BUS-); Battery is connected with the input of reversible transducer, and the output of reversible transducer is connected with DC bus (BUS+, BUS-) by MOSFET pipe; The positive pole of photovoltaic battery panel is connected with the anode of diode D1, and the negative electrode of diode D1 is connected with the source electrode of MOSFET pipe; The drain electrode of MOSFET pipe and DC bus (BUS+, BUS-) are connected, and inverter direct-flow side and DC bus (BUS+, BUS-) are connected, and the AC of inverter is connected with electrical network, load.
Photovoltaic battery panel is charged to battery by diode D1 and reversible transducer, need in the process to turn off MOSFET pipe, realize effective isolation of DC bus-bar voltage and photovoltaic voltage, can ensure that photovoltaic battery panel passes through booster converter and inverter simultaneously, also can provide energy to electrical network and load.By reversible transducer, MOSFET pipe and inverter, battery is discharged, can manage by conducting MOSFET, higher cell discharge efficiency can be realized.
Wherein, booster converter can also be the converter of other DC-DC.
Embodiment 3
The difference of the present embodiment and embodiment 2 is: selected by bidirectional electronic switch Q1 the IGBT being with anti-paralleled diode to manage.
Hybrid-type circuit topological structure comprises the IGBT pipe of booster converter, reversible transducer, inverter, diode D1, band anti-paralleled diode, photovoltaic battery panel is connected with the input of booster converter, booster converter exports and is connected with DC bus (BUS+, BUS-); Battery is connected with the input of reversible transducer, and the output of reversible transducer is connected with DC bus (BUS+, BUS-) by IGBT pipe; The positive pole of photovoltaic battery panel is connected with the anode of diode D1, and the negative electrode of diode D1 is connected with the emitter of IGBT pipe; The collector electrode of IGBT pipe and DC bus (BUS+, BUS-) are connected, and inverter direct-flow side and DC bus (BUS+, BUS-) are connected, and the AC of inverter is connected with electrical network, load.
Photovoltaic battery panel is managed by IGBT and reversible transducer charges to battery, need in the process to turn off IGBT pipe, realize effective isolation of DC bus-bar voltage and photovoltaic voltage, can ensure that photovoltaic battery panel passes through booster converter and inverter simultaneously, also can provide energy to electrical network and load.By reversible transducer, IGBT pipe and inverter, battery is discharged, can manage by conducting IGBT, higher cell discharge efficiency can be realized.
Wherein, booster converter can also be the converter of other DC-DC.
Claims (6)
1. a hybrid-type circuit topological structure, is characterized in that: comprise booster converter, photovoltaic battery panel is connected with the input of booster converter, and booster converter exports and is connected with DC bus; Battery is connected with the input of reversible transducer, and the output of reversible transducer is connected with DC bus by electronic switch; The positive pole of photovoltaic battery panel is connected with the anode of diode D1, and the negative electrode of diode D1 is connected with electronic switch; Inverter direct-flow side is connected with DC bus, and the AC of inverter is connected with electrical network and load.
2. a kind of hybrid-type circuit topological structure as claimed in claim 1, it is characterized in that: described electronic switch is diode D2, the anode of diode D2 is connected with the anode of described reversible transducer and diode D1, and the negative electrode of diode D2 is connected with described DC bus.
3. a kind of hybrid-type circuit topological structure as claimed in claim 1, is characterized in that: described electronic switch is bidirectional electronic switch Q1.
4. a kind of hybrid-type circuit topological structure as claimed in claim 3, it is characterized in that: described bidirectional electronic switch Q1 is the MOSFET pipe of band anti-paralleled diode, the source electrode of MOSFET pipe is connected with the negative electrode of described diode D1 and described reversible transducer, and the drain electrode of MOSFET pipe is connected with described DC bus.
5. a kind of hybrid-type circuit topological structure as claimed in claim 3, is characterized in that: described bidirectional electronic switch Q1 is the IGBT pipe of band anti-paralleled diode, and the emitter of IGBT pipe is connected with the negative electrode of described diode D1 and described reversible transducer; The collector electrode of IGBT pipe is connected with described DC bus.
6. the hybrid-type circuit topological structure of the one as described in any one of Claims 1 to 5, is characterized in that: described booster converter can be that other has the converter of DC-DC function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820065.0U CN205070576U (en) | 2015-10-21 | 2015-10-21 | Hybrid -type circuit topology structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820065.0U CN205070576U (en) | 2015-10-21 | 2015-10-21 | Hybrid -type circuit topology structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070576U true CN205070576U (en) | 2016-03-02 |
Family
ID=55397077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820065.0U Active CN205070576U (en) | 2015-10-21 | 2015-10-21 | Hybrid -type circuit topology structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186672A (en) * | 2015-10-21 | 2015-12-23 | 上海正泰电源系统有限公司 | Hybrid circuit topology structure |
| CN106787111A (en) * | 2017-01-13 | 2017-05-31 | 安徽工程大学 | A kind of timesharing bi-directional voltage stabilizing hybrid inverter and its control method |
| CN114123803A (en) * | 2022-01-26 | 2022-03-01 | 深圳市羲和未来科技有限公司 | Voltage reduction isolation equipment compatible with household photovoltaic energy storage and mobile photovoltaic energy storage |
-
2015
- 2015-10-21 CN CN201520820065.0U patent/CN205070576U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186672A (en) * | 2015-10-21 | 2015-12-23 | 上海正泰电源系统有限公司 | Hybrid circuit topology structure |
| CN106787111A (en) * | 2017-01-13 | 2017-05-31 | 安徽工程大学 | A kind of timesharing bi-directional voltage stabilizing hybrid inverter and its control method |
| CN106787111B (en) * | 2017-01-13 | 2023-08-04 | 安徽工程大学 | Time-sharing bidirectional voltage-stabilizing hybrid inverter and control method thereof |
| CN114123803A (en) * | 2022-01-26 | 2022-03-01 | 深圳市羲和未来科技有限公司 | Voltage reduction isolation equipment compatible with household photovoltaic energy storage and mobile photovoltaic energy storage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101860270B (en) | Access system for adequately utilizing wind energy and solar energy and realization method thereof | |
| CN104113133B (en) | Intelligent photovoltaic off-network inverter system and power consumption control method thereof | |
| CN103066679B (en) | Universal communication base station solar and wind energy centralized power supply system and control method thereof | |
| CN204190691U (en) | Solar battery power Management Controller | |
| CN103997057A (en) | Household photovoltaic generating and energy management system based on micro network technology | |
| CN202424240U (en) | Multifunctional photovoltaic UPS (Uninterruptible Power Supply) system | |
| CN203151115U (en) | Isolation energy storage photovoltaic power generation system using three-phase four bridge arm inverter | |
| CN104242790A (en) | Wind-solar hybrid power generation system | |
| CN102738885A (en) | Storage battery energy storage and photovoltaic power generation hybrid system | |
| CN104682443A (en) | Photovoltaic power generation function based V2G system | |
| CN205070576U (en) | Hybrid -type circuit topology structure | |
| CN104578781A (en) | Dual-input BUCK circuit with light-battery hybrid power supply | |
| CN201750160U (en) | Solar energy power supply grid-connected integrated device | |
| CN201386975Y (en) | Double-circuit system capable of utilizing mains supply and solar energy to supply power for road lamps and realizing grid connection | |
| CN105186672A (en) | Hybrid circuit topology structure | |
| CN204205617U (en) | A kind of power conversion is generated electricity by way of merging two or more grid systems electric power system | |
| CN104716680A (en) | Offline uninterruptible power supply with renewable energy and control method thereof | |
| CN103296879A (en) | Two-way two-input CUK direct-current converter and power distribution method thereof | |
| CN203261261U (en) | Community intelligent power-using system | |
| CN204190669U (en) | A kind of wind and solar hybrid generating system | |
| CN203734367U (en) | Communication base station solar power generation DC grid-connected power supply system | |
| CN103107531B (en) | Energy control method of intelligent building direct current micro-grid based on distributed generation and uninterrupted power supply (UPS) energy storage integration | |
| CN203339716U (en) | In-net-type peak clipping valley filling energy storage power supply device | |
| CN204230929U (en) | A kind of multi-source coordinated control system | |
| CN103312160A (en) | Bidirectional two-input CUCK/SEPIC direct current converter and power distribution method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |