CN203537052U - Multifunctional renewable energy source converting system - Google Patents
Multifunctional renewable energy source converting system Download PDFInfo
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- CN203537052U CN203537052U CN201320568515.2U CN201320568515U CN203537052U CN 203537052 U CN203537052 U CN 203537052U CN 201320568515 U CN201320568515 U CN 201320568515U CN 203537052 U CN203537052 U CN 203537052U
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
The utility model discloses a multifunctional renewable energy source converting system which comprises a power generator, an inverter electrically connected with the power generator, a power grid electrically connected with the inverter and an independent load connected with the power grid. The multifunctional renewable energy source converting system further comprises a double-way charging controller with a control unit and a storage battery which are arranged between the power generator and the inverter. The output end of the power generator is connected with the input end of the double-way charging controller and the input end of the inverter. The output end of the inverter is connected with the power grid. The output end of the double-way charging controller is connected with the storage battery. Due to the fact that the power generator and the inverter are provided with the double-way charging controller with the control unit and the storage battery therebetween, sufficient renewable energy sources can be used for charging the storage battery, when the power grid is in outage, the storage battery can be used as a standby electric supply, and power is provided for the independent important load through the double-way charging controller and the inverter.
Description
Technical field:
The utility model relates to a kind of grid-connected power generation system, particularly a kind of multi-functional regenerative resource converting system.
Background technology:
Be accompanied by pollution problem and the kerosene consumption of growing interest on the earth, the technology of utilizing natural resources to obtain regenerative resource electric power has been subject to whole world scientist's extensive concern.In all methods, solar electric power, wind power generation are the most promising, because solar energy and wind energy are the abundantest in our environment, be also the cleanest in all resources, solar energy, these regenerative resources of wind energy will have larger development space future.Existing regenerative resource converting system generally includes solar energy or wind-driven generator, the inverter being connected with generator, and the electrical network being connected with inverter and independent load.In this system, electrical network is as system stored energy device.When grid power blackout, system will quit work, and some important independent loads will lose electric power, and many times, these important independent loads must be worked, and the power supply that must ensure standby is supplied with.
Utility model content:
Technical problem to be solved in the utility model is to provide a kind of multi-functional regenerative resource converting system, it comprises generator, the inverter being electrically connected to generator, the electrical network being electrically connected to inverter, electrical network connects independent load, it is characterized in that: the two-way charge controller and the storage battery that also comprise the tape control unit being arranged between generator and inverter, wherein, the output of described generator connects the input of two-way charge controller and the input of inverter, the output of inverter connects electrical network, the output of described two-way charge controller connects storage battery.
The utility model further technical characterictic is:
Described two-way charge controller comprises input anode joint A, input cathode joint B, output head anode joint C, negative pole of output end joint D, also comprise that tape input rectifies utmost point a, input cathode b and output head anode c, the isolation DC-DC converter of negative pole of output end d, the input anode a that wherein isolates DC-DC converter is electrically connected to input anode joint A, the input cathode b of isolation DC-DC converter is electrically connected to input cathode joint B, the output head anode c of isolation DC-DC converter is electrically connected to output head anode joint C, the negative pole of output end d of isolation DC-DC converter is electrically connected to negative pole of output end joint D, described isolation DC-DC converter also comprises the isolating transformer with primary coil and secondary coil, the first full-bridge circuit being electrically connected to isolating transformer primary coil, and the second full-bridge circuit being electrically connected to isolating transformer secondary coil, the turn ratio of wherein said isolating transformer primary coil and secondary coil is that n is than 1, wherein n is greater than 1.
The input cathode b of described isolation DC-DC converter is electrically connected to output head anode joint C, and described negative pole of output end joint D is electrically connected to input cathode joint B.
It is MPPT circuit that described two-way charge controller also includes MPPT maximum power point tracking.
Described generator is wind-driven generator or solar panel or fuel cell.
The beneficial effects of the utility model are: because a kind of multi-functional regenerative resource converting system of the utility model is provided with two-way charge controller and the storage battery of tape control unit between generator and inverter, therefore can utilize sufficient regenerative resource for charge in batteries, when grid cut-off, electrical network cuts off and is connected with inverter, now can utilize storage battery power supply in support, by two-way charge controller, to inverter, provide a stable input power, inverter can normally be worked, thereby be independently important load power supply.
Accompanying drawing explanation:
Fig. 1 is the structured flowchart of the utility model regenerative resource converting system;
Fig. 2 is the topological structure schematic diagram of the two-way charge controller of tape control unit in the converting system of regenerative resource shown in Fig. 1 one embodiment;
Fig. 3 is the topological structure schematic diagram of the two-way charge controller of tape control unit in another embodiment of the converting system of regenerative resource shown in Fig. 1.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structured flowchart of the utility model regenerative resource converting system, a kind of multi-functional regenerative resource converting system of the utility model as seen from Figure 1, it comprises generator 1, the inverter 2 being electrically connected to generator, the electrical network 3 being electrically connected to inverter 2, electrical network 3 connects independent load 6, it is characterized in that: also comprise the two-way charge controller 4 and the storage battery 5 that are arranged on the tape control unit between generator 1 and inverter 2, wherein, the output of described generator 1 connects the input of two-way charge controller 4 and the input of inverter 2, the output of inverter 2 connects electrical network 3, the output of described two-way charge controller 4 connects storage battery 5.
Generator 1 in Fig. 1 be take solar panel as example, in actual applications, important independent load 6 is conventionally by electrical network 3 powered operation, be connected with the output of inverter 2 simultaneously, between independent load 6 and electrical network 3 and independent load 6 and inverter 2 outputs, be conventionally connected with relay switch, when electrical network 3 has a power failure, inverter 2 outputs are electrically connected to independent load 6.Because electrical network 3 has a power failure, inverter 2 can disconnect automatically with electrical network 3, and solar panel 1 will quit work.And in multi-functional regenerative resource electric power coversion system of the present utility model, owing to being provided with two-way charge controller 4 and the storage battery 5 of tape control unit between solar panel 1 and inverter 2, therefore when electrical network 3 work, can utilize sufficient solar energy for storage battery 5 chargings, when disconnected 3 electricity of electrical network, electrical network 3 cuts off and is connected with inverter 2, now can utilize storage battery 5 power supply in support, by two-way charge controller 4, provide a stable input power for inverter 2, inverter 2 can normally be worked, thereby solar panel 1 also can be worked on, be independently important load 6 power supplies jointly.To evening, solar panel 1 can disconnect automatically, and storage battery is separately inverter 2 and independently important load 6 power supplies.
In actual applications, generator is not limited to solar panel, can also be wind-driven generator or fuel cell etc.
Fig. 2 is the topological structure schematic diagram of the two-way charge controller of tape control unit in the converting system of regenerative resource shown in Fig. 1 one embodiment, in this embodiment, except two-way charge controller 4, other structures are identical with Fig. 1, as seen from Figure 2, described in the present embodiment, two-way charge controller 4 comprises input anode joint A, input cathode joint B, output head anode joint C, negative pole of output end joint D, also comprise that tape input rectifies utmost point a, input cathode b and output head anode c, the isolation DC-DC converter of negative pole of output end d, the input anode a that wherein isolates DC-DC converter is electrically connected to input anode joint A, the input cathode b of isolation DC-DC converter is electrically connected to input cathode joint B, the output head anode c of isolation DC-DC converter is electrically connected to output head anode joint C, the negative pole of output end d of isolation DC-DC converter is electrically connected to negative pole of output end joint D, described isolation DC-DC converter also comprises the isolating transformer with primary coil and secondary coil, the first full-bridge circuit being electrically connected to isolating transformer primary coil, and the second full-bridge circuit being electrically connected to isolating transformer secondary coil, the turn ratio of the primary coil of isolating transformer described in the present embodiment and secondary coil is 2:1, certainly, when practical application, can as required the turn ratio of isolating transformer primary coil and secondary coil be set as to 3:1,4:1,5:1,20:1,30:1,50:1,70:1 or 90:1.
Known according to the invertibity of full-bridge circuit, this two-way charge controller 4 has two kinds of mode of operations, and these two kinds of mode of operations are selected to control by control unit.Control unit is not shown in the figures, and being connected between control unit and isolation DC-DC transducer adopts routine techniques.Two-way charge controller the first mode of operation is: electric current is from input positive and negative connector A, B input, and output positive and negative charge joint C, D export, i.e. step-down is storage battery 5 chargings; The second mode of operation is: storage battery 5 electric discharges, electric current, from output positive and negative charge joint C, D input, from input positive and negative connector A, B output, boosts as inverter 2 and independent load 6 power supplies.
When two-way charge controller 4 is worked under the first mode of operation, very high to the resistance to fluidity requirement of electronic devices and components wherein, when two-way charge controller 4 is worked under the second mode of operation, very high to electronic devices and components resistance to pressure requirement wherein, this has improved the cost of two-way charge controller undoubtedly, has also limited its useful life simultaneously; For overcoming these shortcomings, Fig. 3 provides the topological structure schematic diagram of the two-way charge controller of tape control unit in another embodiment of regenerative resource converting system shown in Fig. 1; In this embodiment, except two-way charge controller 4, other structures are identical with Fig. 1, the input cathode b of wherein said isolation DC-DC converter is electrically connected to output head anode joint C as seen from Figure 3, and described negative pole of output end joint D is electrically connected to input cathode joint B.While working under the first mode of operation like this, one part of current is to be superimposed upon isolation DC-DC converter outside, do not need two-way charge controller 4 internal electronic devices to carry this electric current, so the resistance to stream of electronic device is wherein required significantly to reduce, the cost of two-way like this charge controller will significantly reduce, and the life-span also can extend naturally, and under the first mode of operation, such connected mode can get around isolation DC-DC converter and directly send some energy to storage battery 5, the power consumption of isolating DC-DC converter is also significantly reduced, the available horsepower of higher percent is delivered to storage battery 5, two-way like this charge controller 4 efficiency are also improved largely thereupon, can make the maximizing efficiency of whole system.
Same in the modified embodiment shown in Fig. 3, when described two-way charge controller is worked under the second mode of operation, part voltage is to be superimposed upon isolation DC-DC converter outside, do not need two-way charge controller 4 internal electronic devices to carry this voltage, so electronic device requirement of withstand voltage wherein is significantly reduced, the cost of two-way like this charge controller 4 will significantly reduce, and the life-span also can extend naturally, and such connected mode can get around isolation DC-DC converter and directly sends some energy to inverter 2, the power consumption of isolating DC-DC converter is also significantly reduced, the available horsepower of higher percent is delivered to inverter 2, the efficiency of two-way like this charge controller 4 is also improved largely thereupon, can make the maximizing efficiency of whole system.Control unit is not shown in the figures, and being connected between control unit and isolation DC-DC transducer adopts routine techniques.
In the embodiment of practical application, it is MPPT circuit that described two-way charge controller 4 can also include MPPT maximum power point tracking.
Although the utility model has been described embodiment herein, coverage of the present utility model is not limited to this.On the contrary, the utility model is contained all technical schemes of falling in fact within the scope of the claims under all instructions on literal or in equivalents, and protection range of the present utility model is as the criterion with claims.
Claims (5)
1. a multi-functional regenerative resource converting system, it comprises generator, the inverter being electrically connected to generator, the electrical network being electrically connected to inverter, electrical network connects independent load, it is characterized in that: the two-way charge controller and the storage battery that also comprise the tape control unit being arranged between generator and inverter, wherein, the output of described generator connects the input of two-way charge controller and the input of inverter, the output of inverter connects electrical network, and the output of described two-way charge controller connects storage battery.
2. multi-functional regenerative resource converting system as claimed in claim 1, it is characterized in that: described two-way charge controller comprises input anode joint A, input cathode joint B, output head anode joint C, negative pole of output end joint D, also comprise that tape input rectifies utmost point a, input cathode b and output head anode c, the isolation DC-DC converter of negative pole of output end d, the input anode a that wherein isolates DC-DC converter is electrically connected to input anode joint A, the input cathode b of isolation DC-DC converter is electrically connected to input cathode joint B, the output head anode c of isolation DC-DC converter is electrically connected to output head anode joint C, the negative pole of output end d of isolation DC-DC converter is electrically connected to negative pole of output end joint D, described isolation DC-DC converter also comprises the isolating transformer with primary coil and secondary coil, the first full-bridge circuit being electrically connected to isolating transformer primary coil, and the second full-bridge circuit being electrically connected to isolating transformer secondary coil, the turn ratio of wherein said isolating transformer primary coil and secondary coil is that n is than 1, wherein n is greater than 1.
3. multi-functional regenerative resource converting system as claimed in claim 2, is characterized in that: the input cathode b of described isolation DC-DC converter is electrically connected to output head anode joint C, and described negative pole of output end joint D is electrically connected to input cathode joint B.
4. multi-functional regenerative resource converting system as claimed in claim 1, is characterized in that: it is MPPT circuit that described two-way charge controller also includes MPPT maximum power point tracking.
5. the multi-functional regenerative resource converting system as described in arbitrary claim in claim 1-4, is characterized in that: described generator is wind-driven generator or solar panel or fuel cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568515.2U CN203537052U (en) | 2013-09-13 | 2013-09-13 | Multifunctional renewable energy source converting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568515.2U CN203537052U (en) | 2013-09-13 | 2013-09-13 | Multifunctional renewable energy source converting system |
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| CN203537052U true CN203537052U (en) | 2014-04-09 |
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| CN201320568515.2U Expired - Lifetime CN203537052U (en) | 2013-09-13 | 2013-09-13 | Multifunctional renewable energy source converting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490500A (en) * | 2013-09-13 | 2014-01-01 | 嘉兴凯希电子有限公司 | Multifunctional renewable energy source converting system |
| CN105024625A (en) * | 2014-04-22 | 2015-11-04 | 南京蕴纳纳米科技有限公司 | Fuel enhanced type concentrated solar cell power generation system |
-
2013
- 2013-09-13 CN CN201320568515.2U patent/CN203537052U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490500A (en) * | 2013-09-13 | 2014-01-01 | 嘉兴凯希电子有限公司 | Multifunctional renewable energy source converting system |
| CN105024625A (en) * | 2014-04-22 | 2015-11-04 | 南京蕴纳纳米科技有限公司 | Fuel enhanced type concentrated solar cell power generation system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |