CN105471282A - Distributed power generation system - Google Patents
Distributed power generation system Download PDFInfo
- Publication number
- CN105471282A CN105471282A CN201510991460.XA CN201510991460A CN105471282A CN 105471282 A CN105471282 A CN 105471282A CN 201510991460 A CN201510991460 A CN 201510991460A CN 105471282 A CN105471282 A CN 105471282A
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- Prior art keywords
- terminal
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- signal
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The present invention proposes a distributed power generation system. The system comprises: a hydraulic turbine generator, a wind power generator, a solar cell panel, a hydraulic power detector, a wind power detector and a light detector, wherein output terminals of the hydraulic turbine generator, the wind power generator and the solar cell panel are connected to a power conversion circuit respectively through diodes, and an output terminal of the power conversion circuit is connected to a storage battery and a load; and and the hydraulic power detector, the wind power detector and the light detector outputs a hydraulic power detection signal, a wind power detection signal and a light intensity signal to a controller, and the controller outputs a turn-on signal and a turn-off signal to the hydraulic turbine generator, the wind power generator and the solar cell panel. According to the distributed power generation system, effective combination of various power supply devices is achieved; the distributed power generation system is high in power generation efficiency, is stable in operation, and is all-weather in power generation; and green and high-efficiency power generation is really achieved.
Description
Technical field
The present invention relates to technical field of electric power, particularly a kind of distributed generation system.
Background technology
Existing distributed generation system is more single, generally only has wind energy, solar energy, tidal energy independently distributed generation system.Especially island powers, once distributed generation system causes power failure due to fault or natural energy resources shortage, user can only wait for that maintenance personal fixes and could continue to use, and can cause the unnecessary loss of man power and material.
Summary of the invention
The present invention proposes a kind of distributed generation system, solves the problem that existing distributed generation system supply power mode is single.
Technical scheme of the present invention is achieved in that
A kind of distributed generation system, comprise: hydraulic turbine generator, wind-driven generator and solar panel, the output of described hydraulic turbine generator, wind-driven generator and solar panel is connected to circuit transformations circuit respectively by diode, and the output of power transformation circuit is connected to storage battery and load; Also comprise waterpower detector, wind-force detector and illumination detector, export waterpower detection signal, wind-force detection signal and intensity of illumination signal to controller, controller exports and turns on and off signal to described hydraulic turbine generator, wind-driven generator and solar panel;
Described electric power variation circuit comprises: input port, receives input voltage;
Output port, provides output voltage;
Rectification unit, is coupled to input port and receives input voltage, produce commutating voltage;
Transformer, comprises former limit winding and vice-side winding, and its limit, Central Plains winding and vice-side winding respectively have the first terminal and the second terminal, and the first terminal of former limit winding is coupled to rectification unit and receives commutating voltage, and the second terminal of vice-side winding connects secondary side reference ground;
Former limit power switch, is coupled between the second terminal of former limit winding and reference ground, former limit;
Secondary side diode, is coupled between the first terminal of vice-side winding and output port;
Output capacitor, is coupled between output port and secondary side reference ground;
Feedback component, comprises secondary part and former edge is divided;
Secondary contact resistance, the first Zener diode and former limit contact resistance, wherein secondary part, secondary contact resistance and the first Zener diode are coupled in series between output port and secondary side reference ground, divide generation feedback voltage with the former edge in feedback component;
Voltage comparator, has in-phase input end, inverting input and lead-out terminal, its inverting input threshold level voltage, and its in-phase input end is coupled to feedback component and receives feedback voltage, and its lead-out terminal produces voltage comparison signal;
Error amplifier, has in-phase input end, inverting input and lead-out terminal, and its in-phase input end receives reference voltage, and the former edge that its inverting input is coupled to feedback component divides reception feedback voltage, and its lead-out terminal produces error amplification signal;
Clamper, is coupled between the lead-out terminal of error amplifier and reference ground, former limit;
First logic switch, has the first terminal, the second terminal and control terminal, and the lead-out terminal that its first terminal is coupled to error amplifier receives error amplification signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Second logic switch, have the first terminal, the second terminal and control terminal, its first terminal couples current peak signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Current comparator, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end is coupled to the coupled in series node of former limit power switch and former limit winding to receive the current sampling signal characterizing and flow through former limit power switch, its inverting input is coupled to the second terminal of the first logic switch and the second terminal of the second logic switch, its lead-out terminal generation current comparison signal;
Control and drive circuit, be coupled to the lead-out terminal received current comparison signal of current comparator, and based on electric current comparison signal, produce switching drive signal, to control the break-make of former limit power switch.
Alternatively, described controller is dsp processor.
Alternatively, described controller is arm processor.
The invention has the beneficial effects as follows: distributed generation system achieves effective combination of multiple power supply unit, and generating efficiency is high, stable, round-the-clock generating, really accomplish that green high-efficient generates electricity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the control circui block diagram of distributed generation system of the present invention;
Fig. 2 is the circuit diagram of power transformation circuit of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, distributed generation system of the present invention comprises: hydraulic turbine generator 10, wind-driven generator 20 and solar panel 30, the output of hydraulic turbine generator 10, wind-driven generator 20 and solar panel 30 is connected to circuit transformations circuit 40 respectively by diode, and the output of power transformation circuit 100 is connected to storage battery 50 and load 60; Distributed generation system also comprises waterpower detector 11, wind-force detector 21 and illumination detector 31, export waterpower detection signal, wind-force detection signal and intensity of illumination signal to controller 70, controller 70 exports and turns on and off signal to hydraulic turbine generator 10, wind-driven generator 20 and solar panel 30, and such as controller 70 can be dsp processor or arm processor.
Fig. 2 is the electrical block diagram of power transformation circuit 100 according to an embodiment of the invention.As shown in Figure 2, power transformation circuit 100 of the present invention comprises: input port 101, receives input voltage vin; Output port 102, provides output voltage Vo; Rectification unit 103, is coupled to input port 101 and receives input voltage vin, produces commutating voltage; Transformer, comprise former limit winding 104-1 and vice-side winding 104-2, its limit, Central Plains winding 104-1 and vice-side winding 104-2 respectively has the first terminal and the second terminal, the first terminal of former limit winding 104-1 is coupled to rectification unit 103 and receives commutating voltage, and second terminal of vice-side winding 104-2 connects secondary side reference ground; Former limit power switch 105, is coupled between second terminal of former limit winding 104-1 and reference ground, former limit; Secondary side diode 106, is coupled between the first terminal of vice-side winding 104-2 and output port 102; Output capacitor 107, is coupled between output port 102 and secondary side reference ground; Feedback component, comprises secondary part 108-1 and former edge divides 108-2; Secondary contact resistance 109, first Zener diode 110 and former limit contact resistance 111, wherein the secondary part 108-1 of feedback component, secondary contact resistance 109 and the first Zener diode 110 are coupled in series between output port 102 and secondary side reference ground, produce feedback voltage Vfb to divide 108-2 in the former edge of feedback component; Voltage comparator 112, there is in-phase input end, inverting input and lead-out terminal, its inverting input threshold level voltage Vth, its in-phase input end divides 108-2 and former limit contact resistance 111 to be coupled to former limit with reference to ground via the former edge of feedback component, to receive feedback voltage Vfb, its lead-out terminal produces voltage comparison signal; Error amplifier 113, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end receives reference voltage Vref, and the former edge that its inverting input is coupled to feedback component divides 108-2 to receive feedback voltage Vfb, and its lead-out terminal produces error amplification signal Vc; Clamper 114, is coupled between the lead-out terminal of error amplifier 113 and reference ground, former limit; First logic switch 115, there is the first terminal, the second terminal and control terminal, the lead-out terminal that its first terminal is coupled to error amplifier 113 receives error amplification signal Vc, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator 112; Second logic switch 116, have the first terminal, the second terminal and control terminal, its first terminal couples current peak signal Ilim, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator 112; Current comparator 117, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end is coupled to the coupled in series node of former limit power switch 105 and former limit winding 104-1 to receive the current sampling signal Isen characterizing and flow through former limit power switch, its inverting input is coupled to the second terminal of the first logic switch 115 and the second terminal of the second logic switch 116, its lead-out terminal generation current comparison signal; Control and drive circuit 118, be coupled to the lead-out terminal received current comparison signal of current comparator 117, and based on electric current comparison signal, produce switching drive signal, to control the break-make of former limit power switch 105.
During work, controller 70 is by waterpower detector 11, wind-force detector 21 and illumination detector 31 testing environment situation, in running order according to the equipment that waterpower detection signal, wind-force detection signal and intensity of illumination signal controlling at least 2 cover generating efficiency is high, the electric energy part produced is delivered directly to load 60, and unnecessary power storage is to storage battery 50.
Distributed generation system of the present invention, adopt hydraulic turbine generator tidal energy well should be used, flux and reflux drives turbine rotation; Sea wind ensure that whole day and the stability of wind power generation simultaneously; In bright day gas, the electric energy of solar panel stable output, three kinds of generating equipments generate electricity, together by electrical power storage in storage battery.
Distributed generation system of the present invention achieves effective combination of multiple power supply unit, and generating efficiency is high, stable, round-the-clock generating, really accomplishes that green high-efficient generates electricity.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, 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 (3)
1. a distributed generation system, it is characterized in that, comprise: hydraulic turbine generator, wind-driven generator and solar panel, the output of described hydraulic turbine generator, wind-driven generator and solar panel is connected to power transformation circuit respectively by diode, and the output of power transformation circuit is connected to storage battery and load;
Also comprise waterpower detector, wind-force detector and illumination detector, export waterpower detection signal, wind-force detection signal and intensity of illumination signal to controller, controller exports and turns on and off signal to described hydraulic turbine generator, wind-driven generator and solar panel;
Described power transformation circuit comprises: input port, receives input voltage;
Output port, provides output voltage;
Rectification unit, is coupled to input port and receives input voltage, produce commutating voltage;
Transformer, comprises former limit winding and vice-side winding, and its limit, Central Plains winding and vice-side winding respectively have the first terminal and the second terminal, and the first terminal of former limit winding is coupled to rectification unit and receives commutating voltage, and the second terminal of vice-side winding connects secondary side reference ground;
Former limit power switch, is coupled between the second terminal of former limit winding and reference ground, former limit;
Secondary side diode, is coupled between the first terminal of vice-side winding and output port;
Output capacitor, is coupled between output port and secondary side reference ground;
Feedback component, comprises secondary part and former edge is divided;
Secondary contact resistance, the first Zener diode and former limit contact resistance, wherein secondary part, secondary contact resistance and the first Zener diode are coupled in series between output port and secondary side reference ground, divide generation feedback voltage with the former edge in feedback component;
Voltage comparator, has in-phase input end, inverting input and lead-out terminal, its inverting input threshold level voltage, and its in-phase input end is coupled to feedback component and receives feedback voltage, and its lead-out terminal produces voltage comparison signal;
Error amplifier, has in-phase input end, inverting input and lead-out terminal, and its in-phase input end receives reference voltage, and the former edge that its inverting input is coupled to feedback component divides reception feedback voltage, and its lead-out terminal produces error amplification signal;
Clamper, is coupled between the lead-out terminal of error amplifier and reference ground, former limit;
First logic switch, has the first terminal, the second terminal and control terminal, and the lead-out terminal that its first terminal is coupled to error amplifier receives error amplification signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Second logic switch, have the first terminal, the second terminal and control terminal, its first terminal couples current peak signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Current comparator, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end is coupled to the coupled in series node of former limit power switch and former limit winding to receive the current sampling signal characterizing and flow through former limit power switch, its inverting input is coupled to the second terminal of the first logic switch and the second terminal of the second logic switch, its lead-out terminal generation current comparison signal;
Control and drive circuit, be coupled to the lead-out terminal received current comparison signal of current comparator, and based on electric current comparison signal, produce switching drive signal, to control the break-make of former limit power switch.
2. distributed generation system as claimed in claim 1, it is characterized in that, described controller is dsp processor.
3. distributed generation system as claimed in claim 1, it is characterized in that, described controller is arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991460.XA CN105471282A (en) | 2015-12-25 | 2015-12-25 | Distributed power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991460.XA CN105471282A (en) | 2015-12-25 | 2015-12-25 | Distributed power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105471282A true CN105471282A (en) | 2016-04-06 |
Family
ID=55608688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510991460.XA Withdrawn CN105471282A (en) | 2015-12-25 | 2015-12-25 | Distributed power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105471282A (en) |
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2015
- 2015-12-25 CN CN201510991460.XA patent/CN105471282A/en not_active Withdrawn
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160406 |
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| WW01 | Invention patent application withdrawn after publication |