CN101699749A - Off-grid small-sized solar power plant system and control method thereof - Google Patents
Off-grid small-sized solar power plant system and control method thereof Download PDFInfo
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- CN101699749A CN101699749A CN200910233568A CN200910233568A CN101699749A CN 101699749 A CN101699749 A CN 101699749A CN 200910233568 A CN200910233568 A CN 200910233568A CN 200910233568 A CN200910233568 A CN 200910233568A CN 101699749 A CN101699749 A CN 101699749A
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- control switch
- solar
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- control
- storage battery
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an off-grid small-sized solar power plant system and a control method thereof. The system comprises a solar battery pack and a commercial power control switch, wherein the solar battery pack is connected with two sets of storage batteries that can be switched through a charge and discharge control switch which is connected to a solar alternating current output end through an inversion control switch and an inverter and connected to a solar direct current output end through a direct current control switch; the commercial power control switch is connected in an alternating current 220V commercial power supply line and can control the on and off of commercial power supply; and the control signal input parts of the charge and discharge control switch, the inversion control switch, the direct current control switch and the commercial power control switch are all connected to a microcomputer control module. The system and the method can perform intelligent control of the charge process according to the load conditions of users, improve solar storage capacity and realize an uninterruptable power output.
Description
Technical field
The present invention relates to a kind of off-grid type solar power plant system and control method thereof.
Background technology
Solar energy generation technology is applied to family and remote area power supplies more and more, use is inconvenient, efficiency for charge-discharge is low, the defective of operation stability difference but existing small-sized solar Blast Furnace Top Gas Recovery Turbine Unit (TRT) ubiquity, its power supply does not realize that intelligent control is difficult to satisfy the instructions for use of remote area power supplies and average family routine～220V power supply simultaneously.
Summary of the invention
Technical problem to be solved by this invention is that providing a kind of can carry out intellectuality control to filling with electric process according to the user load situation, improves the storage capacity of solar energy, and realizes the off-grid small-sized solar power plant system and the control method thereof of uninterrupted power supply.
Off-grid small-sized solar power plant system of the present invention includes solar battery group, solar battery group discharges and recharges control switch through one and is connected with two groups of storage batterys that can switch mutually, discharge and recharge control switch and be connected to solar energy alternating current output, discharge and recharge control switch and also be connected to the solar DC output through DC control switch through inversion control switch and inverter; Also include in the system and be connected in the alternating current 220V mains-supplied circuit and city's electric control switch of may command mains-supplied switching; The described control signal importation that discharges and recharges control switch, inversion control switch, DC control switch and city's electric control switch all is connected in the system controlled by computer module, by its switching of system controlled by computer module controls.
The control method that the present invention is based on the off-grid small-sized solar power plant system of said system is:
Gather sunlight with the solar energy component palette, produce electric energy, give the charging of first group storage battery, send indication by the system controlled by computer module after being full of fully and give second group of charging by charging-discharging controller by luminous energy;
When Control System of Microcomputer has detected the load connection by the induction installation in the electricity consumption loaded line, send instruction automatically and connect inversion control switch or DC control switch, power by first group storage battery;
When the first Battery pack voltage drops to set point, start the power supply of second group storage battery, when the second group storage battery voltage also drops to set point, start two group storage batteries parallel operation simultaneously;
When load is excessive when exceeding set point or accumulator electric-quantity when not enough, close storage battery, start city's electric control switch simultaneously, continue powering load by the mains-supplied circuit.
The advantage of system and method for the present invention is:
1, by two group storage batteries is set, and to the charging process control of automaticallying switch, improve the storage capacity of solar energy, also avoided after charge in batteries is full of in traditional solar power system, solar components produces the defective of waste of energy in the wait process, improve efficiency for charge-discharge, also can prolong the useful life of battery.
2, can to carry out intellectuality control with electric process, can realize uninterrupted power supply according to the user load situation, improve solar powered stability and applicability greatly, help it and be widely used in the domestic consumer.
Description of drawings
Fig. 1 is the systematic schematic diagram of off-line type small-sized solar power plant system of the present invention.
Embodiment
As shown in the figure, off-line type small-sized solar power plant system of the present invention includes solar battery group 1, solar battery group discharges and recharges control switch 2 through one and is connected with two groups of storage batterys that can switch mutually 3, discharge and recharge control switch and be connected to solar energy alternating current output 7, discharge and recharge control switch 2 and also be connected to solar DC output 8 through DC control switch 6 through inversion control switch 4 and inverter 5; Also include in the system and be connected in the alternating current 220V mains-supplied circuit and city's electric control switch 9 of may command mains-supplied switching; The control signal importation that discharges and recharges control switch 2, inversion control switch 4, DC control switch 6 and city's electric control switch 9 all is connected in the system controlled by computer module 10, by its switching of system controlled by computer module controls.
The control method of said system is:
Gather sunlight with the solar energy component palette, produce electric energy, give the charging of first group storage battery, send indication by the system controlled by computer module after being full of fully and give second group of charging by charging-discharging controller by luminous energy;
When Control System of Microcomputer has detected the load connection by the induction installation in the electricity consumption loaded line, send instruction automatically and connect inversion control switch or DC control switch, power by first group storage battery;
When the first Battery pack voltage drops to set point, start the power supply of second group storage battery, when the second group storage battery voltage also drops to set point, start two group storage batteries parallel operation simultaneously;
When load is excessive when exceeding set point or accumulator electric-quantity when not enough, close storage battery, start city's electric control switch simultaneously, continue powering load by the mains-supplied circuit.
Claims (2)
1. off-grid small-sized solar power plant system, include solar battery group (1), it is characterized in that: solar battery group discharges and recharges control switch (2) through one and is connected with two groups of storage batterys that can switch mutually (3), discharge and recharge control switch and be connected to solar energy alternating current output (7), discharge and recharge control switch (2) and also pass through DC control switch (6) and be connected to solar DC output (8) through inversion control switch (4) and inverter (5); Also include in the system and be connected in the alternating current 220V mains-supplied circuit and city's electric control switch (9) of may command mains-supplied switching; The control signal importation that discharges and recharges control switch (2), inversion control switch (4), DC control switch (6) and city's electric control switch (9) all is connected in the system controlled by computer module (10).
2. control method of off-grid small-sized solar power plant system according to claim 1 is characterized in that:
Gather sunlight with the solar energy component palette, produce electric energy, give the charging of first group storage battery, send indication by the system controlled by computer module after being full of fully and give second group of charging by charging-discharging controller by luminous energy;
When Control System of Microcomputer has detected the load connection by the induction installation in the electricity consumption loaded line, send instruction automatically and connect inversion control switch or DC control switch, power by first group storage battery;
When the first Battery pack voltage drops to set point, start the power supply of second group storage battery, when the second group storage battery voltage also drops to set point, start two group storage batteries parallel operation simultaneously;
When load is excessive when exceeding set point or accumulator electric-quantity when not enough, close storage battery, start city's electric control switch simultaneously, continue powering load by the mains-supplied circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910233568A CN101699749A (en) | 2009-10-29 | 2009-10-29 | Off-grid small-sized solar power plant system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910233568A CN101699749A (en) | 2009-10-29 | 2009-10-29 | Off-grid small-sized solar power plant system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101699749A true CN101699749A (en) | 2010-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200910233568A Pending CN101699749A (en) | 2009-10-29 | 2009-10-29 | Off-grid small-sized solar power plant system and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872982A (en) * | 2010-06-07 | 2010-10-27 | 余建岳 | Method for converting valley electricity into electric energy of mobile storage |
| CN102117854A (en) * | 2011-01-19 | 2011-07-06 | 深圳市创益科技发展有限公司 | Silicon-based thin film solar module and method for power station |
| CN102751745A (en) * | 2011-04-18 | 2012-10-24 | 周锡卫 | System and method for power supply of solar power generation |
| CN104506126A (en) * | 2014-12-15 | 2015-04-08 | 无锡捷盈科技有限公司 | Intelligent retractable solar power station |
| CN106452290A (en) * | 2016-11-23 | 2017-02-22 | 深圳市虹果节能有限公司 | Solar energy storage system and method thereof |
| CN107453684A (en) * | 2017-09-20 | 2017-12-08 | 江苏海克力斯电力科技有限公司 | A kind of photovoltaic system for stablizing output power |
| CN109638954A (en) * | 2018-12-25 | 2019-04-16 | 北斗航天汽车（北京）有限公司 | A kind of uninterrupted experiment power supply |
-
2009
- 2009-10-29 CN CN200910233568A patent/CN101699749A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872982A (en) * | 2010-06-07 | 2010-10-27 | 余建岳 | Method for converting valley electricity into electric energy of mobile storage |
| CN102117854A (en) * | 2011-01-19 | 2011-07-06 | 深圳市创益科技发展有限公司 | Silicon-based thin film solar module and method for power station |
| CN102117854B (en) * | 2011-01-19 | 2012-09-05 | 深圳市创益科技发展有限公司 | Silicon-based thin film solar module and method for power station |
| CN102751745A (en) * | 2011-04-18 | 2012-10-24 | 周锡卫 | System and method for power supply of solar power generation |
| CN102751745B (en) * | 2011-04-18 | 2014-12-24 | 周锡卫 | Method for power supply of solar power generation |
| CN104506126A (en) * | 2014-12-15 | 2015-04-08 | 无锡捷盈科技有限公司 | Intelligent retractable solar power station |
| CN106452290A (en) * | 2016-11-23 | 2017-02-22 | 深圳市虹果节能有限公司 | Solar energy storage system and method thereof |
| CN107453684A (en) * | 2017-09-20 | 2017-12-08 | 江苏海克力斯电力科技有限公司 | A kind of photovoltaic system for stablizing output power |
| CN109638954A (en) * | 2018-12-25 | 2019-04-16 | 北斗航天汽车（北京）有限公司 | A kind of uninterrupted experiment power supply |
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Open date: 20100428 |