CN203135741U - Multifunctional power converter - Google Patents
Multifunctional power converter Download PDFInfo
- Publication number
- CN203135741U CN203135741U CN2013200024346U CN201320002434U CN203135741U CN 203135741 U CN203135741 U CN 203135741U CN 2013200024346 U CN2013200024346 U CN 2013200024346U CN 201320002434 U CN201320002434 U CN 201320002434U CN 203135741 U CN203135741 U CN 203135741U
- Authority
- CN
- China
- Prior art keywords
- power converter
- topological structure
- topology structure
- storage battery
- frequency transformer
- 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.)
- Expired - Fee Related
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Classifications
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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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a multifunctional power converter. The multifunctional power converter comprises a main topology structure which is connected with an isolating and driving unit, and a bidirectional excited full bridge inverter topology structure is used in a high-frequency transformer isolation link of the main topology structure. A high-frequency transformer is used to realize the safe electrical isolation among a power grid, an air blower or photovoltaic cell and a storage battery, The full bridge inverter topology structure is used at the front-stage to stabilize the voltage of a power frequency inverter bus, charge the storage battery and track the largest power of the air blower or the photovoltaic cell, and can be switched among the above three functions, so that various functional applications are realized. The multifunctional power converter has the advantages of being intelligent and efficient, and being high in safety. The bidirectional excited full bridge inverter topology structure is used in the high-frequency transformer isolation link, so that the energy bidirectional flow of a transformer can be realized, and accordingly, the purpose of charging the storage battery via the power grid is achieved.
Description
Technical field
The utility model relates to new forms of energy microgrid power field, is specifically related to a kind of multi-function power converter.
Background technology
Solar power generation can occupy the critical role of world energy sources consumption in the near future, not only wants the instead of part conventional energy resource, and will become the main body of world energy supplies.Prediction according to European JRC, to the year two thousand thirty regenerative resource account in the total energy mechanism and account for more than 30%, solar energy power generating reaches more than 10% in the supply of world's total electricity, the year two thousand forty, regenerative resource accounted for total energy consumption more than 50%, solar energy power generating will account for more than 20% of total electricity, to 21 century Mo regenerative resource in energy resource structure, account for more than 80%, solar power generation accounts for 60%, demonstrates important strategic status.In recent years, Renewable Energy Development obtains very high attention and support, and solar energy power generating industry and market develop rapidly.
The utility model content
At the deficiencies in the prior art, the utility model provides a kind of multi-function power converter, has realized the application of multiple function, has the advantage of intelligence, efficient, high security.
A kind of multi-function power converter comprises main topological structure, and main topological structure is connected with driver element with isolation, adopts the full-bridge inverting topological structure of two-way excitation at the high frequency transformer isolation link of main topological structure.
Preferably, described main topological structure one end is connected with power frequency inversion bus, and the other end is connected with storage battery, blower fan or photovoltaic cell component.Further, described main topological structure is connected on the control unit by transducer, also is connected with LCD display unit and RS485 communication unit on the control unit.
A kind of multi-function power converter that the utility model provides has following characteristic:
1) adopt the secured electrical between high frequency transformer realization electrical network and blower fan, photovoltaic cell and the storage battery to isolate; Compare with non-isolated product, improved the fail safe of manual operation and the fail safe of power inverter itself, isolate to compare with Industrial Frequency Transformer and reduced volume and weight;
2) prime has adopted the full-bridge inverting topological structure, can be used for stablizing power frequency inversion busbar voltage, charge in batteries and maximal power tracing when input voltage is higher, and three's function can be switched mutually, thereby realizes the application of multiple function;
3) the high frequency transformer isolation link adopts two-way excitation topological structure to realize the two-way flow of energy in the middle of; In the high frequency transformer energy transmits, generally be one-way flow, and the characteristics of present technique are to use two-way excitation topological structure, realize the two-way flow of transformer energy, thereby realize by electrical network being the purpose of charge in batteries.
Description of drawings
Fig. 1 is the integral body control schematic diagram of a kind of multi-function power converter of the present utility model.
Number in the figure explanation: 1. main topological structure master, 2. full-bridge inverting topological structure, 3. power frequency inversion bus, 4. storage battery, 5. blower fan or photovoltaic cell component, 6. transducer, 7. isolate and driver element, 8. control unit, 9.LCD display unit and RS485 communication unit.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
In conjunction with shown in Figure 1, a kind of multi-function power converter of the present utility model, comprise main topological structure 1, main topological structure 1 is connected with driver element 7 with isolation, adopt the full-bridge inverting topological structure 2 of two-way excitation at the high frequency transformer isolation link of main topological structure 1, full-bridge inverting topological structure 2 one ends are connected with power frequency inversion bus 3, the other end and storage battery 4, blower fan or photovoltaic cell component 5 connect, and be subjected to isolation to be connected control with driver element 7, main topological structure 1 further is connected on the control unit 8 by transducer 6, also is connected with LCD display unit and RS485 communication unit 9 on the control unit 8.
Wherein, the full-bridge inverting topological structure is mainly used in to charge in batteries, to the maximal power tracing of photovoltaic cell or blower fan, stablizes functions such as power frequency busbar voltage, and three's function can be switched mutually, thereby realizes the application of multiple function.
High frequency transformer is isolated the main electrical safety isolation that realizes between blower fan or photovoltaic cell or storage battery and the electrical network.Compare with non-isolated product, improved the fail safe of manual operation and the fail safe of power inverter itself, isolate to compare with Industrial Frequency Transformer and reduced volume and weight.And compare with one-way flow general in the transmission of high frequency transformer energy, adopt two-way excitation control mode to realize the two-way flow of energy, realized the two-way flow of transformer energy, thereby realize by electrical network being the purpose of charge in batteries.
Thereby make multi-function power converter of the present utility model realize the purpose that charges a battery, gives grid transmission, is integrated in one from electrical network to charge in batteries, from four kinds of functions of storage battery independence inversion from photovoltaic cell component or blower fan from photovoltaic cell component or blower fan.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. multi-function power converter, it is characterized in that, comprise main topological structure (1), main topological structure (1) is connected with driver element (7) with isolation, adopts the full-bridge inverting topological structure (2) of two-way excitation at the high frequency transformer isolation link of main topological structure (1).
2. multi-function power converter according to claim 1 is characterized in that, described main topological structure (1) one end is connected with power frequency inversion bus (3), and the other end is connected with storage battery (4), blower fan or photovoltaic cell component (5).
3. multi-function power converter according to claim 2 is characterized in that, described main topological structure (1) further is connected on the control unit (8) by transducer (6).
4. multi-function power converter according to claim 3 is characterized in that, also is connected with LCD display unit and RS485 communication unit (9) on the described control unit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200024346U CN203135741U (en) | 2013-01-05 | 2013-01-05 | Multifunctional power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200024346U CN203135741U (en) | 2013-01-05 | 2013-01-05 | Multifunctional power converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203135741U true CN203135741U (en) | 2013-08-14 |
Family
ID=48943680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200024346U Expired - Fee Related CN203135741U (en) | 2013-01-05 | 2013-01-05 | Multifunctional power converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203135741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051225A (en) * | 2013-01-05 | 2013-04-17 | 苏州泽众新能源科技有限公司 | Multifunctional power converter |
| TWI548197B (en) * | 2014-02-26 | 2016-09-01 | 全漢企業股份有限公司 | Inverter apparatus and control method thereof |
-
2013
- 2013-01-05 CN CN2013200024346U patent/CN203135741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051225A (en) * | 2013-01-05 | 2013-04-17 | 苏州泽众新能源科技有限公司 | Multifunctional power converter |
| TWI548197B (en) * | 2014-02-26 | 2016-09-01 | 全漢企業股份有限公司 | Inverter apparatus and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140105 |