CN202872408U - Wind-solar complementary intelligent charging and discharging controller, battery management system and wind-solar complementary intelligent charging system - Google Patents
Wind-solar complementary intelligent charging and discharging controller, battery management system and wind-solar complementary intelligent charging system Download PDFInfo
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- CN202872408U CN202872408U CN201220491680.8U CN201220491680U CN202872408U CN 202872408 U CN202872408 U CN 202872408U CN 201220491680 U CN201220491680 U CN 201220491680U CN 202872408 U CN202872408 U CN 202872408U
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Abstract
The invention relates to the technical field of the new energy control and application, in particular to a wind-solar complementary intelligent charging and discharging controller, a battery management system and a wind-solar complementary intelligent charging system. The wind-solar complementary intelligent charging system comprises a battery pack, the wind-solar complementary intelligent charging and discharging controller and the battery management system which are correspondingly connected. The wind-solar complementary intelligent charging and discharging controller is communicated with the battery management system, and compared with the prior art, a switch tube in the battery management system is not needed, the wind-solar complementary intelligent charging and discharging controller is informed of the operation parameter of the battery pack which is detected by the battery management system through loading the data, the charging, discharging parameters of the battery pack are adjusted by the wind-solar complementary intelligent charging and discharging controller, and it is not necessary to disconnect the battery pack and the wind-solar complementary intelligent charging and discharging controller, thus the abnormality of the system such as sudden power lose due to cutting off the switch tube on the main path of the battery management system is greatly reduced, the reaction speed is quick, the power lose of the load on the rear end is not avoided, and therefore the reliability and efficiency of the whole system are simultaneously improved.
Description
Technical field
The application relates to new forms of energy control and applied technical field, particularly a kind of wind-solar hybrid intelligent charging-discharging controller, battery management system and wind-solar hybrid intelligent charging system.
Background technology
At present, solar energy, wind energy are used widely to the technology of battery order charging, and the charge and discharge management of the battery pack of energy energy-storage system, energy management then are management difficult points of energy resource system.
In the prior art, wind light mutual complementing charge and discharge energy-storage system all is comprised of discrete wind light mutual complementing charge and discharge controller and battery pack; The application lithium battery, also only just increased lithium battery management system (BMS) on the basis of lithium battery, also remain independently parts, to filling of battery, the discharge management, the energy management of battery all is that simple estimation obtains inversion system according to cell voltage, moreover, in the battery management system in the market, discharging and recharging coherency management only is applied on the lithium battery mostly, and the electric current of the master control in the battery management system (BMS) (electric switch pipe) is the insoluble difficult problem of industry, it also is the highest part of failure rate, simultaneously, after using this device, finish in the battery charging, excess temperature, in the situation of overvoltage, battery management system can be closed it, because the reaction speed of electric switch pipe is slow, delay when system restores electricity will cause the stand-by power supply of controller to be in off-state, cause easily the massive losses of rear end load outage, so that the reliability of system and inefficiency.
Summary of the invention
One of purpose of the application is to be to avoid weak point of the prior art and a kind of wind-solar hybrid intelligent charging-discharging controller is provided, this wind-solar hybrid intelligent charging-discharging controller, can carry out communication with battery management system, obtain the information such as operating position of battery pack by battery management system, and reaction speed is fast, can not cause rear end load outage, can pass through rational maintenance and management, so that battery pack is rationally utilized.
Provide a kind of wind-solar hybrid intelligent charging-discharging controller for this reason, be provided with first interface and the battery interface that is connected with battery pack with the battery management system communication.
The wind-solar hybrid intelligent charging-discharging controller comprises wind energy branch road, solar energy branch road and the first main control chip;
The wind energy branch road comprises the rectification circuit that connects successively, the blower fan braking circuit, the first testing circuit, the one MPPT controller, the second testing circuit, output control circuit and the 5th testing circuit, rectification circuit is connected with wind energy by the wind energy input, rectification circuit also is connected with 1 end of the first main control chip, the blower fan braking circuit also is connected with 2 ends of the first main control chip, the first testing circuit also is connected with 3 ends of the first main control chip, the one MPPT controller also is connected with 4 ends of the first main control chip, the second testing circuit also is connected with 5 ends of the first main control chip, and output control circuit also is connected with 6 ends of the first main control chip;
The solar energy branch road comprises three testing circuit, reverse-connection preventing circuit, the 2nd MPPT controller and the 4th testing circuit that connects successively, three testing circuit is connected with solar energy by the solar energy input, three testing circuit also is connected with 10 ends of the first main control chip, reverse-connection preventing circuit also is connected with 9 ends of the first main control chip, and the 2nd MPPT controller also is connected with 8 ends of the first main control chip;
Contact between the second testing circuit and the output control circuit, the output of the 4th testing circuit all are connected battery interface;
First interface is located at 7 ends of the first main control chip.
The first main control chip is MCU or DSP.
The beneficial effect of a kind of wind-solar hybrid intelligent charging-discharging controller of the application is, by being provided with first interface at the wind-solar hybrid intelligent charging-discharging controller, be used for carrying out communication with battery management system, need not to realize with switching tube, but detect the operating position of battery pack by battery management system, operating position is fed back to the wind-solar hybrid intelligent charging-discharging controller, by the wind-solar hybrid intelligent charging-discharging controller battery pack is carried out rational maintenance and management, reaction speed is fast, can not cause rear end load outage, so that battery pack is rationally utilized.
Two of the application's purpose is to be to avoid weak point of the prior art and a kind of battery management system is provided, this battery management system can carry out communication with the wind-solar hybrid intelligent charging-discharging controller, need not to realize with switching tube, but by the battery pack operating position that detects is informed the wind-solar hybrid intelligent charging-discharging controller, pass through rational maintenance and management by the wind-solar hybrid intelligent charging-discharging controller, reaction speed is fast, can not cause rear end load outage, so that battery pack is rationally utilized.
Provide a kind of battery management system, battery management system is connected with the single battery of battery pack respectively for this reason, comprises the second interface with the communication of wind-solar hybrid intelligent charging-discharging controller.
Battery management system comprises the detection control circuit of the second main control chip, current detection circuit and a plurality of monocells, each detects control circuit and the second main control chip communication, current detection circuit detects the total current of battery pack and current information is fed back to the second main control chip, and described the second interface is located at the second main control chip.
Detect control circuit and comprise control and management device, voltage detecting circuit, drive circuit and equalizing circuit, voltage detecting circuit detects the voltage at battery two ends and information of voltage is fed back to the control and management device, when this cell voltage was too high, the control and management device drove equalizing circuit by drive circuit unnecessary electric weight is transferred to the few battery of electric weight.
Equalizing circuit comprises switching tube and inductance, switching tube is controlled conducting/disconnection by drive circuit, during the switching tube conducting, the battery of too high voltages is stored in inductance with unnecessary electric weight, when switching tube turn-offs, the energy of inductance storage by the built-in damper diode of switching tube with electric energy transfer to next battery, the unnecessary electric energy transfer of battery to the few battery of electric energy, is reached the effect of equilibrium.
The battery two ends are connected to filter capacitor, and the inductance two ends are connected to the power resistor for current-limiting protection.
The second main control chip is MCU or DSP.
The beneficial effect of a kind of battery management system of the application is, by be provided with the second interface at battery management system, be used for carrying out communication with the wind-solar hybrid intelligent charging-discharging controller, different from the battery management system of prior art is: the use of cancellation switching tube, by battery management system the operating position of the battery pack that detects is informed the wind-solar hybrid intelligent charging-discharging controller by uploading data, by filling of wind-solar hybrid intelligent charging-discharging controller regulating cell group, discharge parameter, needn't disconnect being connected of battery pack and wind-solar hybrid intelligent charging-discharging controller, greatly reduce because disconnecting battery management system main path switch pipe and cause the unusual of system burst outage, reaction speed is fast, can not cause rear end load outage, the reliability of whole system and efficient are improved simultaneously.
Three of the application's purpose is to be to avoid weak point of the prior art and a kind of wind-solar hybrid intelligent charging system is provided, this wind-solar hybrid intelligent charging system can reduce the loss and raising reliability of circuit, and unusual, the problem that prevents the single battery short slab that can accomplish to prevent in advance battery, by rational maintenance and management, so that battery is rationally utilized, reaction speed is fast, can not cause rear end load outage.
Provide a kind of wind-solar hybrid intelligent charging system for this reason, comprise battery pack, above-described wind-solar hybrid intelligent charging-discharging controller and above-described battery management system, the connection of being connected with battery management system of battery pack, wind-solar hybrid intelligent charging-discharging controller.
The beneficial effect of a kind of wind-solar hybrid intelligent charging system of the application is, by the communication at wind-solar hybrid intelligent charging-discharging controller and battery management system, compared with prior art: the use of cancellation switching tube, by battery management system the operating position of the battery pack that detects is informed the wind-solar hybrid intelligent charging-discharging controller by uploading data, by filling of wind-solar hybrid intelligent charging-discharging controller regulating cell group, discharge parameter, needn't disconnect being connected of battery pack and wind-solar hybrid intelligent charging-discharging controller, greatly reduce because disconnecting battery management system main path switch pipe and cause the unusual of system burst outage, reaction speed is fast, can not cause rear end load outage, the reliability of whole system and efficient are improved simultaneously.
Description of drawings
Fig. 1 is a kind of schematic diagram of wind-solar hybrid intelligent charging-discharging controller;
Fig. 2 is the circuit block diagram of Fig. 1;
Fig. 3 is a kind of circuit diagram of battery management system;
Fig. 4 is the circuit block diagram of Fig. 3;
Fig. 5 is a kind of schematic diagram of wind-solar hybrid intelligent charging system.
Include among Fig. 1 to Fig. 5:
1---the wind-solar hybrid intelligent charging-discharging controller;
2---battery management system;
3---battery pack.
Embodiment
A kind of wind-solar hybrid intelligent charging-discharging controller of present embodiment arranges with the first interface of battery management system 2 communications and is provided with first interface and the battery interface that is connected with battery pack 3 with battery management system 2 communications as shown in Figure 1.
Present embodiment is by being provided with first interface at wind-solar hybrid intelligent charging-discharging controller 1, be used for carrying out communication with battery management system 2, need not to realize with switching tube, but pass through the operating position that battery management system 2 detects battery pack 3, operating position is fed back to wind-solar hybrid intelligent charging-discharging controller 1, carry out rational maintenance and management by 1 pair of battery pack of wind-solar hybrid intelligent charging-discharging controller 3, reaction speed is fast, can not cause rear end load outage, so that battery pack is rationally utilized.
As shown in Figure 2, wind-solar hybrid intelligent charging-discharging controller 1 comprises wind energy branch road, solar energy branch road and the first main control chip.
The wind energy branch road comprises the rectification circuit that connects successively, the blower fan braking circuit, the first testing circuit, the one MPPT controller, the second testing circuit, output control circuit and the 5th testing circuit, rectification circuit is connected with wind energy by the wind energy input, rectification circuit also is connected with 1 end of the first main control chip, the blower fan braking circuit also is connected with 2 ends of the first main control chip, the first testing circuit also is connected with 3 ends of the first main control chip, the one MPPT controller also is connected with 4 ends of the first main control chip, the second testing circuit also is connected with 5 ends of the first main control chip, and output control circuit also is connected with 6 ends of the first main control chip;
The solar energy branch road comprises three testing circuit, reverse-connection preventing circuit, the 2nd MPPT controller and the 4th testing circuit that connects successively, three testing circuit is connected with solar energy by the solar energy input, three testing circuit also is connected with 10 ends of the first main control chip, reverse-connection preventing circuit also is connected with 9 ends of the first main control chip, and the 2nd MPPT controller also is connected with 8 ends of the first main control chip.
Contact between the second testing circuit and the output control circuit, the output of the 4th testing circuit all are connected battery interface.
First interface is located at 7 ends of the first main control chip.
Concrete, the first main control chip is MCU or DSP.
The operation principle of present embodiment is as follows:
When system started, the wind-solar hybrid intelligent charging-discharging controller can be patrolled and examined total system, according to battery management system 2(BMS) charge information, the index request uploaded adjust;
When wind energy, solar energy input were arranged, a MPPT controller and the 2nd MPPT controller can regulating system be followed the tracks of the maximal power tracing pattern, and the data in conjunction with battery management system 2 is uploaded in real time realize real-time adjustment to battery pack 3 charge parameters;
When the power of wind energy, solar energy input is enough when full (exceed the battery charging requirement or fill), the wind-solar hybrid intelligent charging-discharging controller can be controlled a MPPT controller and the 2nd MPPT controller follow current, voltage, if when meeting the serious surplus of typhoon or wind energy, system can start the blower fan braking circuit, the rotating speed of control blower fan (being wind energy collector), or close a MPPT controller, and guarantee the charging reliability of battery, guarantee that the power supply of user load is reliable;
If solar energy, wind energy all are in when unusual, the wind-solar hybrid intelligent charging-discharging controller can be sent out and send in advance warning, informs the user, carries out emergency measures.
A kind of battery management system of present embodiment as shown in Figure 3, battery management system 2 is connected with the single battery of battery pack 3 respectively, battery management system 2 comprises the second interface with 1 communication of wind-solar hybrid intelligent charging-discharging controller.
Present embodiment is by being provided with the second interface at battery management system 2, be used for carrying out communication with wind-solar hybrid intelligent charging-discharging controller 1, different from the battery management system 2 of prior art is: the use of cancellation switching tube, by battery management system 2 operating position of the battery pack 3 that detects is informed wind-solar hybrid intelligent charging-discharging controller 1 by uploading data, by filling of wind-solar hybrid intelligent charging-discharging controller 1 regulating cell group 3, discharge parameter, needn't disconnect being connected of battery pack 3 and wind-solar hybrid intelligent charging-discharging controller 1, greatly reduce because disconnecting battery management system 2 main path switch pipes and cause the unusual of system burst outage, reaction speed is fast, can not cause rear end load outage, the reliability of whole system and efficient are improved simultaneously.
As shown in Figure 4, battery management system 2 comprises the detection control circuit of the second main control chip, current detection circuit and a plurality of monocells, each detects control circuit and the second main control chip communication, current detection circuit detects the total current of battery pack 3 and current information is fed back to the second main control chip, and described the second interface is located at the second main control chip.
Concrete, detect control circuit and comprise control and management device, voltage detecting circuit, drive circuit and equalizing circuit, voltage detecting circuit detects the voltage at battery two ends and information of voltage is fed back to the control and management device, when this cell voltage was too high, the control and management device drove equalizing circuit by drive circuit unnecessary electric weight is transferred to the few battery of electric weight.
Concrete, equalizing circuit comprises switching tube and inductance, switching tube is controlled conducting/disconnection by drive circuit, during the switching tube conducting, the battery of too high voltages is stored in inductance with unnecessary electric weight, when switching tube turn-offs, the energy of inductance storage by the built-in damper diode of switching tube with electric energy transfer to next battery, the unnecessary electric energy transfer of battery to the few battery of electric energy, is reached balanced effect.
Concrete, the battery two ends are connected to filter capacitor, and the inductance two ends are connected to the power resistor for current-limiting protection.
Concrete, the second main control chip is MCU or DSP.
The operation principle of present embodiment is as follows:
Battery management system 2(BMS) is connected with battery pack 3, detect voltage, charge volume, discharge capacity, the battery temperature data of single battery, in real time with data upload to the wind-solar hybrid intelligent charging-discharging controller, allow wind-solar hybrid intelligent charging-discharging controller 1 adjust in real time the operational factor of charging system, inverter system, guarantee reliable, the safe use of battery.
When finding that single battery overcharges, equalizing circuit can namely be opened by system, the electric weight that this battery is unnecessary is transferred to the few battery of electric weight, simultaneously, battery management system 2(BMS) can send data notification wind-solar hybrid intelligent charging-discharging controller 1 and adjust charging voltage and electric current, guarantee the reliability of system.
When temperature sensor senses arrives the excess Temperature of battery pack 3, reduced electric current and the voltage of battery by the control of the second main control chip.
The battery management system 2(BMS of present embodiment) compares with conventional battery management system 2 (BMS), difference is: cancelled and having filled, switching tube on the discharge major loop is (at the battery full charging, overvoltage, control and system disconnection during excess temperature) use, greatly reduce in the battery management system 2 because of switching tube charging is complete close with overvoltage after system restore electricity and postpone to cause the error cut-off machine fault, the problems such as the loss of switching tube, also having reduced because of the inverter load shock causes battery pack 3 unusual, elevator system reliability and efficient, by battery management system 2(BMS) the data notification solar energy inversion of uploading regulates, filling of control, discharge parameter, needn't by the be connected function that could realize correlated equilibrium of disconnection battery pack 3 with wind-solar hybrid intelligent charging-discharging controller 1, make the whole system Reliability Enhancement; Realize battery management system 2 and 1 communication of wind-solar hybrid intelligent charging-discharging controller, exchanges data, reach the purpose of adjusting MPPT controller, rectification (charging) device electric current, voltage.
Embodiment 3.
A kind of wind-solar hybrid intelligent charging system of present embodiment as shown in Figure 5, comprise the wind-solar hybrid intelligent charging-discharging controller 1 of battery pack 3, embodiment 1 and the battery management system 2 of embodiment 2, battery pack 3, wind-solar hybrid intelligent charging-discharging controller 1 are connected with battery management system corresponding the connection.
Present embodiment carries out communication by connection with battery pack 3 management systems (BMS) with wind-solar hybrid intelligent charging-discharging controller 1 and is connected, by battery management system 2 operating position of the battery pack 3 that detects is informed wind-solar hybrid intelligent charging-discharging controller 1 by uploading data, by the charge and discharge parameter of wind-solar hybrid intelligent charging-discharging controller 1 regulating cell group 3, follow the tracks of managing and control system and battery management system 2(BMS to reach solar energy MPPT charging system, wind energy), battery pack 3 more perfect combinations.Make the energy-storage battery group 3 of wind-solar hybrid intelligent charging-discharging controller 1 obtain more perfect management, make system can understand in real time the running status of energy-storage battery group 3, the charge and discharge capacity, temperature etc., omnibearing protection battery prolongs the useful life of battery pack 3.Simultaneously, by saving battery management system 2(BMS) be used as the switching tube of protection system in the system, reaction speed is fast, can not cause rear end load outage, simplification system, the efficient that has improved whole system and reliability.
In addition, the user can also be by arranging man-machine dialog interface at wind-solar hybrid intelligent charging-discharging controller 1, in order to understand running status, parameter and the control of whole (containing battery pack 3) system.Can also by with upper, network connection, realize strange land monitoring and control.The battery pack 3 of present embodiment also can be used other energy storage devices such as super capacitor.
Battery pack is placed with temperature sensor, when temperature sensor senses arrives the excess Temperature of battery pack 3, is reduced electric current and the voltage of battery by the control of the second main control chip.
Should be noted that at last; above embodiment only be used for explanation the application technical scheme but not to the restriction of the application's protection range; although with reference to preferred embodiment the application has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the application's technical scheme, and not break away from essence and the scope of present techniques scheme.
Claims (10)
1. a wind-solar hybrid intelligent charging-discharging controller is characterized in that, is provided with first interface and the battery interface that is connected with battery pack with the battery management system communication.
2. a kind of wind-solar hybrid intelligent charging-discharging controller according to claim 1 is characterized in that, comprises wind energy branch road, solar energy branch road and the first main control chip;
The wind energy branch road comprises the rectification circuit that connects successively, the blower fan braking circuit, the first testing circuit, the one MPPT controller, the second testing circuit, output control circuit and the 5th testing circuit, rectification circuit is connected with wind energy by the wind energy input, rectification circuit also is connected with 1 end of the first main control chip, the blower fan braking circuit also is connected with 2 ends of the first main control chip, the first testing circuit also is connected with 3 ends of the first main control chip, the one MPPT controller also is connected with 4 ends of the first main control chip, the second testing circuit also is connected with 5 ends of the first main control chip, and output control circuit also is connected with 6 ends of the first main control chip;
The solar energy branch road comprises three testing circuit, reverse-connection preventing circuit, the 2nd MPPT controller and the 4th testing circuit that connects successively, three testing circuit is connected with solar energy by the solar energy input, three testing circuit also is connected with 10 ends of the first main control chip, reverse-connection preventing circuit also is connected with 9 ends of the first main control chip, and the 2nd MPPT controller also is connected with 8 ends of the first main control chip;
Contact between the second testing circuit and the output control circuit, the output of the 4th testing circuit all are connected battery interface;
First interface is located at 7 ends of the first main control chip.
3. a kind of wind-solar hybrid intelligent charging-discharging controller according to claim 2 is characterized in that, the first main control chip is MCU or DSP.
4. battery management system, battery management system is connected with the single battery of battery pack respectively, it is characterized in that, comprises the second interface with the communication of wind-solar hybrid intelligent charging-discharging controller.
5. a kind of battery management system according to claim 4, it is characterized in that, battery management system comprises the detection control circuit of the second main control chip, current detection circuit and a plurality of monocells, each detects control circuit and the second main control chip communication, current detection circuit detects the total current of battery pack and current information is fed back to the second main control chip, and described the second interface is located at the second main control chip.
6. battery management system according to claim 5, it is characterized in that, detect control circuit and comprise control and management device, voltage detecting circuit, drive circuit and equalizing circuit, voltage detecting circuit detects the voltage at battery two ends and information of voltage is fed back to the control and management device, when this cell voltage was too high, the control and management device drove equalizing circuit by drive circuit unnecessary electric weight is transferred to the few battery of electric weight.
7. battery management system according to claim 6, it is characterized in that, equalizing circuit comprises switching tube and inductance, switching tube is controlled conducting/disconnection by drive circuit, and during the switching tube conducting, the battery of too high voltages is stored in inductance with unnecessary electric weight, when switching tube turn-offs, the energy of inductance storage by the built-in damper diode of switching tube with electric energy transfer to next battery, the unnecessary electric energy transfer of battery to the few battery of electric energy, is reached the effect of equilibrium.
8. battery management system according to claim 7 is characterized in that, the battery two ends are connected to filter capacitor, and the inductance two ends are connected to the power resistor for current-limiting protection.
9. a kind of battery management system according to claim 5 is characterized in that, the second main control chip is MCU or DSP.
10. wind-solar hybrid intelligent charging system, it is characterized in that, comprise battery pack, the described wind-solar hybrid intelligent charging-discharging controller of claims 1 to 3 any one and the described battery management system of claim 4 to 9 any one, the connection of being connected with battery management system of battery pack, wind-solar hybrid intelligent charging-discharging controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220491680.8U CN202872408U (en) | 2012-09-25 | 2012-09-25 | Wind-solar complementary intelligent charging and discharging controller, battery management system and wind-solar complementary intelligent charging system |
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| CN201220491680.8U CN202872408U (en) | 2012-09-25 | 2012-09-25 | Wind-solar complementary intelligent charging and discharging controller, battery management system and wind-solar complementary intelligent charging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856959A (en) * | 2012-09-25 | 2013-01-02 | 广东易事特电源股份有限公司 | Wind-light complementary intelligent charge-discharge controller, battery management system and wind-light complementary intelligent charging system |
| CN107453400A (en) * | 2017-09-06 | 2017-12-08 | 合肥凌山新能源科技有限公司 | The complementary electricity generation system of a kind of wind energy, solar energy |
-
2012
- 2012-09-25 CN CN201220491680.8U patent/CN202872408U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856959A (en) * | 2012-09-25 | 2013-01-02 | 广东易事特电源股份有限公司 | Wind-light complementary intelligent charge-discharge controller, battery management system and wind-light complementary intelligent charging system |
| CN102856959B (en) * | 2012-09-25 | 2016-05-04 | 广东易事特电源股份有限公司 | A kind of wind-solar hybrid intelligent charging-discharging controller and wind-solar hybrid intelligent charging system |
| CN107453400A (en) * | 2017-09-06 | 2017-12-08 | 合肥凌山新能源科技有限公司 | The complementary electricity generation system of a kind of wind energy, solar energy |
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