CN101789618B - Wind-solar compensation type solar energy power supply system - Google Patents
Wind-solar compensation type solar energy power supply system Download PDFInfo
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- CN101789618B CN101789618B CN2010101188700A CN201010118870A CN101789618B CN 101789618 B CN101789618 B CN 101789618B CN 2010101188700 A CN2010101188700 A CN 2010101188700A CN 201010118870 A CN201010118870 A CN 201010118870A CN 101789618 B CN101789618 B CN 101789618B
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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
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention provides a wind-solar compensation type solar energy power supply system which comprises a solar cell panel, a fan system, a solar energy controller, a storage battery, a fan controller and a fan input board of the solar energy controller, wherein the fan system comprises a wind driven generator and a fan controller which rectifies alternating current output by the wind driven generator into direct current; the solar energy controller is respectively connected with the solar-cell panel and the storage battery and used for controlling the power generating state of solar-cell panel and the charging and discharging of the storage battery as well as controlling the wind-solar compensation type solar energy power supply system to load the on and off of a power supply loop and acquire the voltage and the current of the storage battery; the fan input board is used for automatically switching off the current loop of the wind driven generator when the output voltage of the fan controller is lower than storage battery voltage so as to prevent the storage battery from back sinking current to the wind driven generator and avoid the serious damage to the wind-solar compensation type solar energy power supply system.
Description
[technical field]
The present invention relates to a kind of mixed power supply system, be specifically related to wind-solar compensation type solar energy power supply system.
[background technology]
In recent years, along with the active demand that various countries use natural energy resources, solar energy, wind energy more and more were generalized to every field, and wind-solar compensation type solar energy power supply system arises at the historic moment.Wind-solar compensation type solar energy power supply system is comprised of solar panel, blower fan system, controller for solar, storage battery etc.Blower fan system comprises wind-driven generator and controller of fan.Controller for solar is to control solar panel, control to the charging and discharging of storage battery, the opening and closing of control system electric current output.The electric current of wind-driven generator output directly is connected on the bus of storage battery after the controller of fan rectification, when the wind-driven generator output voltage is low, wind-driven generator can not break away from from storage battery, so that the anti-electric current of filling with of storage battery direction wind-driven generator causes serious harm to wind-solar compensation type solar energy power supply system.
[summary of the invention]
The objective of the invention is to solve in the wind-solar compensation type solar energy power supply system of above-mentioned prior art when the wind-driven generator output voltage is low storage battery can the anti-problem of filling with electric current of direction wind-driven generator, and a kind of wind-solar compensation type solar energy power supply system that can carry out to the output of blower fan system switch control is provided.
A kind of wind-solar compensation type solar energy power supply system comprises: solar panel, blower fan system, controller for solar, storage battery, blower fan system comprise wind-driven generator, the arrangement of wind-driven generator output AC electricity are galvanic controller of fan; Controller for solar is connected with solar panel, storage battery respectively, is used for: the charging and discharging of control solar panel generating state, control storage battery, control wind-solar compensation type solar energy power supply system are opening and closing, collection battery tension, the electric current in load supplying loop; Wind-solar compensation type solar energy power supply system also comprises the blower fan tablet of connecting fan controller and controller for solar; Described blower fan tablet is used for automatically cutting off the current circuit of described wind-driven generator when the controller of fan output voltage is lower than battery tension.
Adopt the beneficial effect of technique scheme to be: by the blower fan tablet that connects described controller of fan and controller for solar is set, can be when the wind-driven generator output voltage be lower than battery tension, wind-driven generator and storage battery are disconnected, thereby can avoid that the storage battery direction wind-driven generator is counter fills with the grievous injury that electric current causes wind-solar compensation type solar energy power supply system.
[description of drawings]
Fig. 1 is system block diagram of the present invention;
Fig. 2 is the structure chart of an embodiment of the present invention;
Fig. 3 is the schematic diagram of blower fan tablet;
Voltage protection logic decision flow chart when Fig. 4 is the wind-driven generator generation charge fault of an embodiment of the present invention;
Voltage protection logic decision flow chart when Fig. 5 is the wind-driven generator generation discharge fault of an embodiment of the present invention;
Fig. 6 is the logic decision flow chart that the battery tension of an embodiment of the present invention carries out current protection during greater than overvoltage alarm point but less than over-voltage protection point;
Fig. 7 is the logic decision flow chart that the battery tension of an embodiment of the present invention carries out current protection when surpassing over-voltage protection point.
[embodiment]
Embodiment 1
A kind of wind-solar compensation type solar energy power supply system, as shown in Figure 1, comprise: solar panel, blower fan system, blower fan tablet, controller for solar, storage battery, blower fan system comprise wind-driven generator, the arrangement of wind-driven generator output AC electricity are galvanic controller of fan; Controller for solar is connected with solar panel, storage battery respectively, is used for: the charging and discharging of control solar panel generating state, control storage battery, control wind-solar compensation type solar energy power supply system are opening and closing, collection battery tension, the electric current in load supplying loop; The controller of fan output loop is through blower fan tablet access controller for solar; When the controller of fan output voltage was lower than battery tension, the blower fan tablet cut off the current circuit of described wind-driven generator automatically.
By the blower fan tablet of setting up, can be when the wind-driven generator output voltage be lower than battery tension, wind-driven generator and storage battery are disconnected, thereby can avoid that the storage battery direction wind-driven generator is counter fills with the grievous injury that electric current causes wind-solar compensation type solar energy power supply system.
Embodiment 2
Wind-solar compensation type solar energy power supply system, such as Fig. 1, Fig. 2, comprise: 4 solar panels (U1, U2, U3, U4), two blower fan systems, controller for solar, two storage battery B1, B2, blower fan system comprise wind-driven generator, the arrangement of wind-driven generator output AC electricity are galvanic controller of fan; Controller for solar is connected with power tablet, storage battery B1, the B2 of solar panel respectively, and controller for solar act as: control the charging and discharging of sun energy cell panel generating state, control storage battery B1, B2, opening and closing, collection battery tension, electric current B1, the B2 that the control wind-solar compensation type solar energy power supply system is important load equipment, less important load equipment current supply circuit; Wind-solar compensation type solar energy power supply system also comprises the blower fan tablet of connecting fan controller and controller for solar; The blower fan tablet is one to have the switching circuit of voltage acquisition unit and current acquisition unit, and when the controller of fan output voltage was lower than storage battery B1, B2 voltage, the blower fan tablet cut off the current circuit of wind-driven generator automatically.
The schematic diagram of blower fan tablet as shown in Figure 3, on the loop between this blower fan tablet access controller of fan negative pole and the battery cathode, this blower fan tablet is made of two N channel enhancement metal-oxide-semiconductor source electrode docking series connection, seals in the controller of fan negative loop through MOS two drain electrodes; Triode is NPN type triode, the transistor base machine controller negative pole of behind current-limiting resistance R2, giving a dinner for a visitor from afar, and transistor emitter connects the metal-oxide-semiconductor source electrode, and transistor collector connects the two mos gate utmost points; Wherein current-limiting resistance R2 resistance is thousands of Europe; Triode act as clamping protective circuit; When the controller of fan output voltage is higher than battery tension, triode cut-off, electric current through metal-oxide-semiconductor to charge in batteries, when the controller of fan output voltage is lower than battery tension, the relative storage battery of controller of fan negative pole is malleation, this malleation is by triode and close on the body diode of the metal-oxide-semiconductor Q2 of storage battery, the conducting of triode causes collector potential to be dragged down, namely metal-oxide-semiconductor grid control current potential Dr+ is dragged down, thereby cut off the conducting of two metal-oxide-semiconductors, be that the wind-driven generator loop cuts off, avoid the anti-electric current of filling with of storage battery direction wind-driven generator.
The voltage sample unit is the voltage sample resistance R 1 that is connected on the controller of fan negative pole, and voltage sample resistance transfers to controller for solar with WindVolt-.
Current sampling unit is arranged on as being arranged on the shunt RD1 on the controller of fan loop, and shunt RD1 transfers to controller for solar with the dynamo current signal that gathers.
Controller for solar comprises can do logic judgment module that logic judges to voltage or current anomaly, to the alarm device of voltage or current anomaly alarm.
Controller for solar is judged the wind-driven generator electric current logic of storage battery the wind-driven generator that gathers: when controller of fan is in open circuit, theoretical current should be 0A, consider the existence of sampling error, the native system error is+/-1A, therefore should default short circuit current threshold point be made as 2A in the native system, this default short circuit current threshold point can be regulated according to self systematic error; When controller of fan open-circuit current during greater than default short circuit current threshold point 2A and lasting several seconds (the present embodiment is 10 seconds), controller for solar disconnects wind-driven generator and alarm; This alarm is fault, without the recovery condition, needs clearance by hand.
When the charging over current fault appears in wind-driven generator; controller for solar is judged the logic that the wind-driven generator electric current of storage battery carries out as shown in Figure 4 the wind-driven generator that gathers: when the wind-driven generator charging current greater than a default protection point electric current, and when continuing the several seconds (the present embodiment is 5 seconds); disconnect wind-driven generator; and send the large electric current alarm signal of generator, postpone to reopen wind-driven generator after (the present embodiment is 12 hours) in 3～48 hours.Then again recovering this logic judges.When discharge fault appears in wind-driven generator, controller for solar is judged the logic that the wind-driven generator electric current of storage battery carries out as shown in Figure 5 the wind-driven generator that gathers: when the wind-driven generator electric current oppositely less than predetermined current (the present embodiment is-5 peaces) and after continuing the Preset Time several seconds (the present embodiment is 3 seconds), disconnect wind-driven generator, and the reverse alarm of output current; This fault belongs to hardware fault, can not automatically recover by software logic, can only manually remove fault, alarm, after the removing, if without other abnormal conditions, then reopens wind-driven generator.
This wind-solar compensation type solar energy power supply system also has battery tension protection and alarm function, and this function is divided A, B, C, D totally 4 kinds of logic judgment models:
A, controller for solar carry out logic to the controller of fan open circuit voltage that collects to be judged, abnormal failure is protected and alarm.After the controller of fan open circuit voltage surpasses default unloading upper voltage limit (the present embodiment is 58V) and continues the several seconds (the present embodiment is 5 seconds), then irretrievably the wind-driven generator loop is disconnected and alarm; Default unloading upper voltage limit is the maximum dc voltage of wind-driven generator output.This alarm is fault, without the recovery condition, needs clearance by hand.
B, controller for solar carry out the disconnected logic judgement of path to the charge circuit of wind-driven generator, and controller of fan charge circuit fault is protected and alarm.When wind-driven generator charged to storage battery, blower fan mouth voltage should equate substantially with cell voltage, and difference between the two is to have metal-oxide-semiconductor Vds pressure drop and sampling error; The VDS pressure drop is maximum when rated current, native system is 0.35V, sampling error is+/-0.5V, therefore the error of actual capabilities existence is 0.35+0.5+0.5=1.35V, according to this numerical value set the threshold to+/-2V, the wind-driven generator voltage that gathers when controller for solar and storage battery pressure difference greater than threshold value+/-2V and when postponing the number several seconds (the present embodiment is 10 seconds), controller for solar is then expendable to disconnect also alarm with the wind-driven generator loop.This alarm is fault, without the recovery condition, needs clearance by hand.
In the time of above-mentioned judgement alarm; in view of the existence of blower fan tablet clamping protective circuit, after the blower fan tablet disconnects once, again when conducting; if this moment is calm, the controller of fan short-circuit voltage then can appear far below the situation of battery tension " vacation " conducting.At this moment, when judging the controller of fan alarm, need to increase extra Rule of judgment.The concrete operations mode is as follows, and following variable is set in software:
SetWindOff: show the flag bit that control blower fan tablet disconnects.
WindEverOffFlag: the flag bit that shows the once controlled disconnection of blower fan tablet.
WindCloseVolt: blower fan short-circuit voltage
VBus: battery tension
Time: satisfy the duration of corresponding conditions, be used for the alarm time-delay and use.
The actual software handling process is:
After satisfy certain condition, closing the blower fan tablet, namely SetWindOff==1 is for after very, set flag bit WindEverOffFlag=1.
Whenever satisfying condition, the blower fan tablet is again after the conducting, rises to battery tension closely if detect blower fan tablet short-circuit voltage, and after the certain time, removes WindEverOffFlag=0.The implication of this judgement is: the blower fan tablet is again after the conducting, and after environment had wind, when blower fan tablet output voltage was elevated near the cell voltage, the blower fan tablet was realized real conducting.Show that input channel has recovered normal.
The disconnected Rule of judgment of wind-driven generator path is divided into two kinds (two kinds of conditions are phase or relation):
When the controller of fan short-circuit voltage than the large 2V of cell voltage and continue to surpass 10 seconds, can directly judge the alarm of breaking of wind-driven generator path this moment.
When blower fan tablet short-circuit voltage than the little 2V of cell voltage and duration above 10 seconds, need to judge the state of WindEverOffFlag this moment, if WindEverOffFlag=1, show that the blower fan tablet experiences last controlled opening again, again conducting after, environment never has wind, input channel is in " false conducting " state, even satisfy the condition that alarm is judged, also not alarm this moment; If WindEverOffFlag=0 shows that then the blower fan tablet experiences last controlled disconnection again, after the conducting, wind weather has appearred having in environment again, and input channel has been recovered the normally state, if satisfy alarm conditions this moment, then carries out alarm.
Controller for solar can carry out the logic comparative analysis according to the controller of fan voltage signal, the battery tension signal that gather, thereby to the protection of controller of fan electric voltage exception and alarm.Concrete judgment model is C, the D kind logic judgment model of description below.
C, battery tension (VBus) be greater than overvoltage alarm point, and during less than over-voltage protection point.Controller for solar is judged the logic that the battery tension that gathers carries out as shown in Figure 6: a, battery tension are during greater than overvoltage alarm point but less than over-voltage protection point, controller for solar is closed solar panel S1, S2, S3, S4 one by one, until battery tension is lower than overvoltage alarm point; Still greater than overvoltage alarm point, then controller for solar is closed wind-driven generator to battery tension behind the solar panel Close All; B, (the present embodiment is between the 52V～56V) time, reopens all solar panel S1, S2, S3, S4 and wind-driven generator to default float charge voltage scope when battery tension falls after rise; Overvoltage alarm point is less than over-voltage protection point, and is preset value; The controller for solar alarm can be exported by alarm equipment, and this flow chart is not shown.
When D, battery tension surpass over-voltage protection point, controller for solar is judged the logic that the battery tension that gathers carries out as shown in Figure 7: battery tension is closed all solar panel S1, S2, S3, S4 and wind-driven generator during greater than over-voltage protection point immediately; (the present embodiment is between the 52V～56V) time, reopens all solar panel S1, S2, S3, S4 and wind-driven generator when battery tension falls back to default float charge voltage scope.
Because it is uncertain that natural sunlight and wind speed change, so the output of the electric power of wind-light complementary system is unstable, in addition, when the fortuitous events such as the exceedingly odious weather of appearance, line fault, system may stop supply of electric power, causes discharged or defective battery, load to work.This wind-solar compensation type solar energy power supply system is reserved with diesel engine generator and/or communication power supply interface, and when solar energy and wind energy input deficiency, controller for solar carries out emergent charging with diesel engine generator and/or communication power supply interface and storage battery connection.
Be subject to thunder and lightning for fear of system and destroy, generator loop, solar energy loop, important load equipment, less important load equipment are provided with lightning protection device in wind, are provided with lighting protection plate on oil machine/communication power supply interface.
In the present embodiment, the logic judgment model that postpones to carry out (namely postponing the several seconds) is adopted in many places, can avoid voltage sample or current sample unusually to beat and bring malfunction to system.
Above content is in conjunction with implementation embodiment further description made for the present invention, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (17)
1. a wind-solar compensation type solar energy power supply system comprises: solar panel, blower fan system, controller for solar, storage battery; Described blower fan system comprises wind-driven generator, the alternating current of described wind-driven generator output is put in order is galvanic controller of fan; Described controller for solar is connected with described solar panel, storage battery respectively, is used for controlling the generating state of described solar panel, the charging and discharging of storage battery, opening and closing, collection battery tension, the electric current that wind-solar compensation type solar energy power supply system is the loop of load supplying; It is characterized in that: also comprise the blower fan tablet that connects described controller of fan and controller for solar; Described blower fan tablet is used for automatically cutting off the current circuit of described wind-driven generator when the controller of fan output voltage is lower than battery tension; When judging described controller of fan alarm, carry out in the following manner: when described controller of fan short-circuit voltage surpasses setting-up time than the large threshold voltage of described battery tension and duration, directly judge the disconnected alarm of described wind-driven generator path this moment; When described blower fan tablet short-circuit voltage surpasses setting-up time than the little threshold voltage of described battery tension and duration, judge this moment: when described blower fan tablet experiences last controlled disconnection, again conducting, environment does not have wind, the input channel of described wind-driven generator is in false conducting state, even satisfy the condition that alarm is judged, also not alarm this moment; When described blower fan tablet experiences last controlled disconnection, again conducting, environment has wind weather, and the input channel of described wind-driven generator has been recovered the normally state, if satisfy alarm conditions this moment, then carries out alarm; Wherein said false conducting state is after the blower fan tablet disconnects once, and when conducting, if this moment is calm, the described controller of fan short-circuit voltage of appearance is far below the situation of battery tension again.
2. wind-solar compensation type solar energy power supply system according to claim 1, it is characterized in that: described blower fan tablet comprises the switching circuit that is made of metal-oxide-semiconductor circuit and triode.
3. wind-solar compensation type solar energy power supply system according to claim 2, it is characterized in that: described metal-oxide-semiconductor circuit is made of two N channel enhancement metal-oxide-semiconductor source series, seals in the controller of fan loop through described N channel enhancement metal-oxide-semiconductor two drain electrodes; Triode is NPN type triode, the described NPN type transistor base machine controller negative pole of behind current-limiting resistance, giving a dinner for a visitor from afar, and emitter connects described N channel enhancement metal-oxide-semiconductor source electrode, and collector electrode connects described two N channel enhancement metal-oxide-semiconductor grids.
4. wind-solar compensation type solar energy power supply system according to claim 3; it is characterized in that: described NPN type triode consists of clamping protective circuit; be used for when described controller of fan output voltage is higher than battery tension; the cut-off of described NPN type triode, electric current through described N channel enhancement metal-oxide-semiconductor to charge in batteries; when described controller of fan output voltage is lower than described battery tension; thereby the conducting of described two N channel enhancement metal-oxide-semiconductors is cut off in the conducting of described NPN type triode, and namely the wind-driven generator loop cuts off.
5. wind-solar compensation type solar energy power supply system according to claim 3, it is characterized in that: described blower fan tablet also comprises the voltage sample unit, described voltage sample unit feeds back to described controller for solar with voltage signal, and described controller for solar optionally disconnects described wind-driven generator and described storage battery according to voltage signal or connects; And/or with at least one disconnection or connection in described wind-driven generator and the load.
6. wind-solar compensation type solar energy power supply system according to claim 5, it is characterized in that: described voltage sample unit is the voltage sample resistance that is connected on described controller of fan negative pole, the controller for solar.
7. wind-solar compensation type solar energy power supply system according to claim 5, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, described logic judgment module is used for that the controller of fan open circuit voltage that collects is carried out logic and judges, after described controller of fan open circuit voltage also continues the several seconds above default unloading upper voltage limit, then irretrievably with the disconnection of described wind-driven generator loop and by described alarm device alarm.
8. wind-solar compensation type solar energy power supply system according to claim 5, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, described logic judgment module is used for charge circuit to wind-driven generator and carries out fault logic and judge: when wind-driven generator voltage and storage battery pressure difference greater than the Vds pressure drop of described N channel enhancement metal-oxide-semiconductor and sampling error sum and when postponing the several seconds, described controller for solar is then expendable with the disconnection of described wind-driven generator loop and by described alarm device alarm.
9. wind-solar compensation type solar energy power supply system according to claim 5, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, described logic judgment module is used for that the battery tension that gathers is carried out logic to be judged, as follows:
A, battery tension are during greater than overvoltage alarm point but less than over-voltage protection point, and described controller for solar is closed the mode of described wind-driven generator again and controlled, until battery tension is lower than overvoltage alarm point according to closing one by one described solar panel first;
B, when battery tension falls after rise to the default float charge voltage scope, reopen all solar panels and wind-driven generator;
Described overvoltage alarm point is less than described over-voltage protection point, and is preset value.
10. wind-solar compensation type solar energy power supply system according to claim 5, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, described logic judgment module is used for that the battery tension that gathers is carried out logic and judges: described battery tension is closed all solar panels and wind-driven generator during greater than over-voltage protection point immediately; In the time of in described battery tension falls back to default float charge voltage scope, reopen all solar panels and wind-driven generator.
11. wind-solar compensation type solar energy power supply system according to claim 1 is characterized in that: be provided with current sampling unit on the loop of described controller of fan.
12. wind-solar compensation type solar energy power supply system according to claim 11, it is characterized in that: described current sampling unit is arranged on the described blower fan tablet, described current sampling unit feeds back to described controller for solar with current signal, and described controller for solar optionally disconnects described wind-driven generator and described storage battery according to current signal or connects.
13. wind-solar compensation type solar energy power supply system according to claim 11, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, described logic judgment module is used for that the charging current that the wind-driven generator that gathers acts on storage battery is carried out logic and judges: when short circuit current exists and is discharging current, current value is greater than default short circuit current threshold point and lasting several seconds, and described controller for solar is with described wind-driven generator disconnection and by described alarm device alarm.
14. wind-solar compensation type solar energy power supply system according to claim 11; it is characterized in that: described controller for solar comprises logic judgment module and alarm device; the charging current that described logic judgment module acts on storage battery to the wind-driven generator that gathers is carried out logic and is judged: when described wind-driven generator charging current during greater than default protection point electric current; disconnect described wind-driven generator, postpone to reopen described wind-driven generator after 3～48 hours.
15. wind-solar compensation type solar energy power supply system according to claim 11, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, described logic judgment module is carried out the logic judgement to the charging current that the wind-driven generator that gathers acts on storage battery: after the wind-driven generator electric current oppositely also continues the Preset Time section, disconnect described wind-driven generator, and by described alarm device.
16. wind-solar compensation type solar energy power supply system according to claim 11, it is characterized in that: described controller for solar comprises logic judgment module and alarm device, the charging current that described logic judgment module acts on storage battery to the wind-driven generator that gathers is carried out logic and is judged: when described wind-driven generator and storage battery are in when opening a way, and open circuit wind-driven generator current value is during greater than default deviation current value, and controller for solar then irretrievably disconnects the wind-driven generator loop also alarm failure.
17. wind-solar compensation type solar energy power supply system according to claim 1, it is characterized in that: also comprise diesel engine generator/communication power supply interface, when in solar energy and wind energy input deficiency, described controller for solar is connected described diesel engine generator/communication power supply interface and described storage battery, carries out emergent charging.
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| CN102360035B (en) * | 2011-09-08 | 2013-11-27 | 西北工业大学 | Method for realizing detected current on off-grid wind and light supplementary generation system |
| CN103606994A (en) * | 2013-10-21 | 2014-02-26 | 清华大学 | Power supply system, power supply control method and power supply controller |
| CN104155503A (en) * | 2014-06-05 | 2014-11-19 | 工业和信息化部邮电工业标准化研究所 | Testing circuit and testing method for voltage drop of charging loop of solar controller |
| CN113991628B (en) * | 2021-11-24 | 2023-05-02 | 中车大连机车车辆有限公司 | Emergency discharge control method for main and auxiliary integrated diesel locomotive |
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