CN204258331U - A kind of complementary solar photovoltaic generation system - Google Patents
A kind of complementary solar photovoltaic generation system Download PDFInfo
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- CN204258331U CN204258331U CN201420739198.0U CN201420739198U CN204258331U CN 204258331 U CN204258331 U CN 204258331U CN 201420739198 U CN201420739198 U CN 201420739198U CN 204258331 U CN204258331 U CN 204258331U
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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
Abstract
The utility model discloses a kind of complementary solar photovoltaic generation system, especially a kind of solar photovoltaic generation system of powering with public's electrical network complementation is related to, it belongs to the control appliance in solar photovoltaic generation system, its structural feature is, is made up of photovoltaic module, electrical network module, power control module, output module.Its operation principle is, the electric power that photovoltaic module exports also closes power model output power and exports together, and photovoltaic module keeps maximum power output, and not enough part is supplemented by shortcoming by power control module; They are a kind of complementary electric power-feeding structures, when daytime, photovoltaic power generation quantity was large, reduces and use public grid power, and night or cloudy energy output few time, increase and use public's grid power; Due to without the need to electrical grid transmission electric energy, eliminate metering link and reduce cable waste, thus there is good application value.
Description
Technical field
The utility model relates to a kind of solar photovoltaic generation system, and especially relate to solar photovoltaic generation system that is a kind of and public's electrical network complementation, it belongs to the control appliance in solar photovoltaic generation system.
Background technology
Along with the demand of the whole world to clean energy resource increases day by day, solar energy is as the renewable more and more concerned and attention with clean energy resource, and it is referred to as one of most important development energy of human future.
Common solar photovoltaic generation system is made up of photovoltaic panel, inversion step-up circuit, interchange net unit etc.; This common photovoltaic generating system is the photovoltaic effect generation current utilizing photovoltaic panel, after converting alternating voltage to by inversion step-up circuit, through exchange and net unit to public's electrical grid transmission electric power, from the power taking of the public's electrical network during user power utilization, this traditional structure needs metering electricity to bother very much, also there is cable waste to public's electrical grid transmission electric power, reduce promoting the use of and operating efficiency of solar energy power generating.
Summary of the invention
Invention the purpose of this utility model is for above-mentioned deficiency, a kind of new system schema is provided, its structural feature is, is made up of photovoltaic panel, MPPT control circuit, inversion step-up circuit, AC/DC rectification circuit, PFC power factor (PF) emphasizer circuit, power control module, AC/DC change-over circuit.Its operation principle is, solar energy photovoltaic panel can be monocrystaline silicon solar cell assembly array, also can be polysilicon solar cell group pattern, can also to be wind-driven generator group pattern.
MPPT control circuit, the control circuit be made up of application-specific integrated circuit chip or DSP or MCU and MOSFET field effect transistor or IGBT pipe, by the relation of calculating current and voltage and load, adjustment voltage or and electric current to reach peak power output.
Inversion step-up circuit is a kind of pipe by application-specific integrated circuit chip or DSP or MCU and MOSFET field effect transistor or IGBT and circuit that inductance coil or transformer forms, and by being that magnetic energy is converted to electric energy again by electric energy conversion fast, realization is boosted object.
AC/DC rectification circuit is the rectification circuit of a kind of diode composition, also can be the rectification circuit that a kind of MOSFET field effect transistor or IGBT pipe form with control chip.
PFC power factor correction circuit is a kind of pipe by MOSFET field effect transistor or IGBT and circuit that control chip and inductance coil form, makes power factor (PF) reach the circuit unit of 98% or more by the phase place of tracking AC network.
Power control module, it is a kind of control circuit be made up of with inductance coil DSP and MOSFET field effect transistor or IGBT pipe, whether it is changed by the output voltage detecting inversion step-up circuit, and regulates the output current from electrical network to make voltage stabilization, reaches the object of balanced power.
DC/AC change-over circuit a kind ofly outputs signal by dsp chip the circuit that controls MOSFET field effect transistor or IGBT pipe and inductance coil or transformer form, and what control the phase place of its output voltage and changes in amplitude meets the alternating current that electrical network specifies.
The utility model beneficial effect is, without the need to measuring electricity, the energy output of photovoltaic panel is exactly reduce the power taking amount from AC network, and its benefit shows as the electricity reducing and use AC network input; Owing to reducing cable waste, so improve generating efficiency.From the angle of electricity usage, daytime is peak times of power consumption, and daytime is also the effectual time that photovoltaic panel generates electricity, and the form that native system is powered as a kind of photovoltaic generation and public's electrical network complementation is run, and takes full advantage of photovoltaic generation utilization rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is a kind of complementary solar photovoltaic power generation grid-connecting system construction schematic diagram.
Fig. 2 is the fundamental diagram of power control module.
1. electrical network module, 2. power control module, 3. photovoltaic module, 4. output modules in Fig. 1.
Embodiment
As shown in Figure 1, comprise photovoltaic panel, photovoltaic module, electrical network module, power control module, output module, it realizes principle, photovoltaic panel is by solar radiation generation current, transferring to MPPT circuit conversion is maximum power output, be connected to inversion step-up circuit and rise to suitable voltage, be transferred to output module again, AC network input ac voltage, direct voltage is converted to by rectification circuit, be transferred to the calibration of PFC power factor again and carry out calibration, be transferred to power control module again, control power on demand and be transferred to output module again, output module exports after the direct voltage from inversion step-up circuit and power control module is converted to alternating voltage.。
Claims (8)
1. a complementary solar photovoltaic generation system, it is characterized in that, comprise photovoltaic panel, photovoltaic module, electrical network module, power control module, output module, it realizes principle, photovoltaic panel is by solar radiation generation current, transferring to MPPT circuit conversion is maximum power output, be connected to inversion step-up circuit and rise to suitable voltage, be transferred to output module again, AC network input ac voltage, direct voltage is converted to by rectification circuit, be transferred to the calibration of PFC power factor again and carry out calibration, be transferred to power control module again, control power on demand and be transferred to output module again, output module exports after the direct voltage from inversion step-up circuit and power control module is converted to alternating voltage.
2. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described solar energy photovoltaic panel can be monocrystaline silicon solar cell assembly array, also can be polysilicon solar cell group pattern, can also to be wind-driven generator group pattern.
3. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described MPPT control circuit, the control circuit be made up of application-specific integrated circuit chip or DSP or MCU and MOSFET field effect transistor or IGBT pipe, by the relation of calculating current and voltage and load, adjustment voltage or and electric current to reach peak power output.
4. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described inversion step-up circuit, a kind of pipe by application-specific integrated circuit chip or DSP or MCU and MOSFET field effect transistor or IGBT and circuit that inductance coil or transformer form, by being fast that magnetic energy is converted to electric energy again by electric energy conversion, realize boosting object.
5. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described AC/DC rectification circuit is the rectification circuit of a kind of diode composition, also can be the rectification circuit that a kind of MOSFET field effect transistor or IGBT pipe form with control chip.
6. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described PFC power factor correction circuit, be a kind of pipe by MOSFET field effect transistor or IGBT and circuit that control chip and inductance coil form, make power factor (PF) reach the circuit unit of 98% or more by the phase place of tracking AC network.
7. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described power control module, it is a kind of control circuit be made up of with inductance coil DSP and MOSFET field effect transistor or IGBT pipe, whether it is changed by the output voltage detecting inversion step-up circuit, and regulate the output current from electrical network to make voltage stabilization, reach the object of balanced power.
8. the complementary solar photovoltaic generation system of one according to claim 1, it is characterized in that, described DC/AC change-over circuit, be a kind ofly output signal by dsp chip the circuit that controls MOSFET field effect transistor or IGBT pipe and inductance coil or transformer form, what control the phase place of its output voltage and changes in amplitude meets the alternating current that electrical network specifies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420739198.0U CN204258331U (en) | 2014-12-02 | 2014-12-02 | A kind of complementary solar photovoltaic generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420739198.0U CN204258331U (en) | 2014-12-02 | 2014-12-02 | A kind of complementary solar photovoltaic generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258331U true CN204258331U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420739198.0U Expired - Fee Related CN204258331U (en) | 2014-12-02 | 2014-12-02 | A kind of complementary solar photovoltaic generation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204258331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026727A (en) * | 2016-06-15 | 2016-10-12 | 湖北文理学院 | Single-phase photovoltaic power generation converter topology |
| CN107168448A (en) * | 2017-01-16 | 2017-09-15 | 广东美的制冷设备有限公司 | Solar air conditioner control device, solar air conditioner and control method |
-
2014
- 2014-12-02 CN CN201420739198.0U patent/CN204258331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026727A (en) * | 2016-06-15 | 2016-10-12 | 湖北文理学院 | Single-phase photovoltaic power generation converter topology |
| CN107168448A (en) * | 2017-01-16 | 2017-09-15 | 广东美的制冷设备有限公司 | Solar air conditioner control device, solar air conditioner and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20201202 |