CN105375604A - Multi-phase interleaving MPPT controller - Google Patents
Multi-phase interleaving MPPT controller Download PDFInfo
- Publication number
- CN105375604A CN105375604A CN201510661220.3A CN201510661220A CN105375604A CN 105375604 A CN105375604 A CN 105375604A CN 201510661220 A CN201510661220 A CN 201510661220A CN 105375604 A CN105375604 A CN 105375604A
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- China
- Prior art keywords
- mppt
- unit
- phase interleaving
- charging
- interleaving
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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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Abstract
The invention discloses a multi-phase interleaving MPPT controller. The multi-phase interleaving MPPT controller comprises power supplies, a PV reverse connection protection unit connected between the power supplies, a multi-phase interleaving MPPT converter unit, a battery reverse connection protection unit, a system control unit and a display unit, wherein the system control unit is connected with the PV reverse connection protection unit and the multi-phase interleaving MPPT converter unit, and the multi-phase interleaving MPPT converter unit uses two phase interleaving synchronous BUCK units and synchronous rectification charging units. By adopting the above scheme, maximum power charging is realized for an input voltage of a wide range PV assembly, the application of multi-phase interleaving effectively reduces charging current ripples, and the charging efficiency is improved.
Description
Technical field
The present invention relates to a kind of multiphase interleaving MPPT controller.
Background technology
Full name " MPPT maximum power point tracking " (MaximumPowerPointTracking) controller for solar of MPPT controller is the upgraded product of traditional solar charging/discharging controller.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of multiphase interleaving MPPT controller, in order to solve prior art Problems existing.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of MPPT controller of multiphase interleaving; comprise: power supply and be located at the PV reverse connecting protection unit between power supply, heterogeneous staggered MPPT power converter cells, battery reverse connecting protection unit, system control unit and display unit; wherein; said system control unit connects described PV reverse connecting protection unit and heterogeneous staggered MPPT power converter cells; wherein, described heterogeneous staggered MPPT power converter cells adopts synchronous BUCK unit and the synchronous rectification charhing unit of multiple phase cross-over.
After this invention takes such scheme, can realize maximum power charging to wide region PV assembly input voltage, how staggered application effectively reduces charging current ripple, improves charge efficiency.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, to make above-mentioned advantage of the present invention definitely.
Fig. 1 is the structural representation of multiphase interleaving MPPT controller of the present invention;
Fig. 2 is the power principle schematic diagram of multiphase interleaving MPPT controller of the present invention;
Fig. 3 is the embodiment schematic diagram of multiphase interleaving MPPT controller of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Specifically; as shown in Figure 1,2 and 3; a kind of MPPT controller of multiphase interleaving; comprise: power supply and be located at the PV reverse connecting protection unit between power supply, heterogeneous staggered MPPT power converter cells, battery reverse connecting protection unit, system control unit and display unit; wherein; said system control unit connects described PV reverse connecting protection unit and heterogeneous staggered MPPT power converter cells; wherein, described heterogeneous staggered MPPT power converter cells adopts synchronous BUCK unit and the synchronous rectification charhing unit of multiple phase cross-over.
After this invention takes such scheme, can realize maximum power charging to wide region PV assembly input voltage, how staggered application effectively reduces charging current ripple, improves charge efficiency.
Wherein, the present invention also comprises: auxiliary power circuit, and the inverse-excitation type switch power-supply that this auxiliary power circuit is control core by UC3843 forms, the advantages such as have wide input voltage range, efficiency is high, and volume is little.
Wherein, display circuit in the present invention: adopt OCM2864 dot matrix LCD module and touch key to realize man-machine interaction, can realize battery charging parameter and arrange and MPPT charger real time charging parameter display
And, this MPPT charge controller adopts the synchronous BUCK+ synchronous rectification charging body frame structure of two phase cross-overs, the TMS320F2803532 bit DSP controller of TI is adopted to realize full-digital control, comprise PV voltage sample, battery voltage sampling, charge current sample, heterogeneous staggered PWM generation and human-computer interactive control etc., uniprocessor completes all signal samplings and algorithm controls, and eliminates the time delay that interchip communication causes, reduces the complexity of circuit.
Advantage: can realize maximum power charging to wide region PV assembly input voltage, how staggered application effectively reduces charging current ripple, improves charge efficiency,
In addition, in another embodiment, can also adopt heterogeneous staggered BUCK synchronous rectifier converter, it mainly at needs process Fast Load current transients, and in the DC-DC converter of the less space requirement of demand fulfillment, often can use.
Wherein, heterogeneous PWM mode is described below: multiphase converter is an array be made up of step-down controller in essence, and these step-down controllers have the mode of certain phase shift to work each other.Multiple actual switch speed produced mutually equal each transducer and.If single with the PWM frequency work of 333kHz, then the actual switch frequency of circuit is 1MHz.This high switching frequency greatly can reduce the requirement of input and output capacitor size; It can also improve load transient response and ripple index.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the MPPT controller of a multiphase interleaving; it is characterized in that; comprise: power supply and be located at the PV reverse connecting protection unit between power supply, heterogeneous staggered MPPT power converter cells, battery reverse connecting protection unit, system control unit and display unit; wherein; said system control unit connects described PV reverse connecting protection unit and heterogeneous staggered MPPT power converter cells; wherein, described heterogeneous staggered MPPT power converter cells adopts synchronous BUCK unit and the synchronous rectification charhing unit of multiple phase cross-over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661220.3A CN105375604A (en) | 2015-10-15 | 2015-10-15 | Multi-phase interleaving MPPT controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661220.3A CN105375604A (en) | 2015-10-15 | 2015-10-15 | Multi-phase interleaving MPPT controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105375604A true CN105375604A (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510661220.3A Pending CN105375604A (en) | 2015-10-15 | 2015-10-15 | Multi-phase interleaving MPPT controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN105375604A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616122A (en) * | 2019-08-28 | 2022-06-10 | 斯巴克充电公司 | Electric vehicle charging device, system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090189574A1 (en) * | 2008-01-23 | 2009-07-30 | Alpha Technologies, Inc. | Simplified maximum power point control utilizing the pv array voltage at the maximum power point |
| CN102497098A (en) * | 2011-12-20 | 2012-06-13 | 北京汇能精电科技有限公司 | Multiphase synchronous rectification BUCK topology circuit |
| CN102843071A (en) * | 2012-09-24 | 2012-12-26 | 安徽理工大学 | Solar photovoltaic control system |
| CN104283260A (en) * | 2014-09-29 | 2015-01-14 | 浙江永升新能源科技有限公司 | Network type MPPT solar charging controller and control method thereof |
| CN204131788U (en) * | 2014-09-22 | 2015-01-28 | 华南理工大学 | A kind of wind/solar hybrid street light controller based on MPPT |
-
2015
- 2015-10-15 CN CN201510661220.3A patent/CN105375604A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090189574A1 (en) * | 2008-01-23 | 2009-07-30 | Alpha Technologies, Inc. | Simplified maximum power point control utilizing the pv array voltage at the maximum power point |
| CN102497098A (en) * | 2011-12-20 | 2012-06-13 | 北京汇能精电科技有限公司 | Multiphase synchronous rectification BUCK topology circuit |
| CN102843071A (en) * | 2012-09-24 | 2012-12-26 | 安徽理工大学 | Solar photovoltaic control system |
| CN204131788U (en) * | 2014-09-22 | 2015-01-28 | 华南理工大学 | A kind of wind/solar hybrid street light controller based on MPPT |
| CN104283260A (en) * | 2014-09-29 | 2015-01-14 | 浙江永升新能源科技有限公司 | Network type MPPT solar charging controller and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616122A (en) * | 2019-08-28 | 2022-06-10 | 斯巴克充电公司 | Electric vehicle charging device, system and method |
| CN114616122B (en) * | 2019-08-28 | 2024-01-05 | 斯巴克充电公司 | Electric vehicle charging device, system and method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |
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| RJ01 | Rejection of invention patent application after publication |