CN104052142A - Optical storage interlinking power multiplication regulation and control apparatus - Google Patents
Optical storage interlinking power multiplication regulation and control apparatus Download PDFInfo
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- CN104052142A CN104052142A CN201310079562.5A CN201310079562A CN104052142A CN 104052142 A CN104052142 A CN 104052142A CN 201310079562 A CN201310079562 A CN 201310079562A CN 104052142 A CN104052142 A CN 104052142A
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- 230000003287 optical effect Effects 0.000 title abstract 3
- 238000004146 energy storage Methods 0.000 claims abstract description 44
- 238000012544 monitoring process Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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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Abstract
The invention, which belongs to the field of the new energy power technology, particularly relates to an optical storage interlinking power multiplication regulation and control apparatus. According to the technical scheme, at the non-photovoltaic power generating time period, while a storage battery pack provides power for an energy storage bidirectional inverter, a storage battery pack access terminal A (8a) and a storage battery pack access terminal B (8b) of the storage battery pack are connected with a discharging bus (14) respectively through a storage battery discharging selection switch A (7a) and a storage battery discharging gating switch B (7b) , then connected with a photovoltaic direct-current monitoring protection and gating circuit (2) by an optical storage direct-current dispensable circuit (3), and connected with a grid-connected inverter connecting port (11) by the photovoltaic direct-current monitoring protection and gating circuit (2), thereby forming a storage grid-connected feed inverter power supplying path. Therefore, power provided for the user is equal to the power provided by the energy storage bidirectional inverter and the grid-connected converter jointly, so that the capability for power supplying is doubled.
Description
Technical field
The invention belongs to new forms of energy power technology field, be specifically related to a kind of light, storage interlock PD regulation device.
Background technology
The application of photovoltaic new forms of energy is subject to the attention of global national governments and fosters, but photovoltaic electric power belongs to the unstable electric power of batch (-type), the cooperation stable output electric power that needs energy storage battery, therefore independently photovoltaic generation electric power system all be can't do without energy storage battery, with light storage complementary type construction system.Its prior art and product exchange and connect mode and Fig. 1 (b) direct current and connect as shown in mode, the common composition of light storage electrification energy storage electric power system as Fig. 1 (a); Fig. 1 (a) mode is utilized the alternating electromotive force form generating power supply of photovoltaic combining inverter output, and Fig. 1 (b) mode is utilized the power supply of generating electricity of the direct current power mode of photovoltaic controller output, and its scale of investment is suitable.
Fig. 1 (a) mode is in the generating period, and photovoltaic combining inverter generating and batteries realize muck in by the two-way inverter of energy storage provides Alternating Current Power Supply; Photovoltaic does not generate electricity the period, by batteries by the two-way inverter power supply of energy storage, power supply the exerting oneself for the two-way inverter of energy storage of exerting oneself; Fig. 1 (b) mode is in the photovoltaic generation period, and direct current power and the batteries direct current power of photovoltaic controller output provide Alternating Current Power Supply by the two-way inverter of energy storage in the lump; Period of not generating electricity is identical with Fig. 1 (a) mode, by batteries by the two-way inverter power supply of energy storage, power supply the exerting oneself for the two-way inverter of energy storage of exerting oneself.Hence one can see that, Fig. 1 (a) mode in period and Fig. 1 (b) mode of not generating electricity at photovoltaic generation and do not generate electricity two periods, system power supply ability the exerting oneself for the two-way inverter of energy storage of exerting oneself of powering, photovoltaic combining inverter is not exerted oneself, reduce the power supply capacity for user load, system resource all part is utilized, and has reduced the level of resources utilization, has affected returns of investment.
Summary of the invention
In order to overcome the technological deficiency of above-mentioned prior art and product, the present invention proposes a kind of light storage interlock PD regulation device, comprise: many power regulations device, photovoltaic DC monitoring and protecting and gating circuit, light, storage direct current dispensable circuit, charging monitoring and automatically controlled drive circuit, electric discharge on-off switch circuit, discharge-preventing reverse current protection circuit, charging counterflow-preventing protective circuit, electric power storage electric discharge gating switch A, electric power storage electric discharge gating switch B, batteries incoming end A, batteries incoming end B, photovoltaic electric power incoming end, communication port, parallel network reverse connectivity port, the two-way inversion module of energy storage connectivity port, controlling bus, electric discharge bus, charging bus, discharge and recharge bus,
It is characterized in that: many power regulations device connects respectively photovoltaic DC monitoring and protecting and gating circuit, light, storage direct current dispensable circuit, charging monitoring and automatically controlled drive circuit, electric power storage electric discharge gating switch A, electric power storage electric discharge gating switch B and communication port by controlling bus, forms regulation and control and communication link;
Photovoltaic electric power incoming end (9) connects parallel network reverse connectivity port (11) by photovoltaic DC monitoring and protecting and gating circuit (2), forms photovoltaic direct-furnish parallel network reverse generating supply path;
Photovoltaic electric power incoming end connects electric discharge bus and the two-way inversion module of energy storage connectivity port after connecting light, storage direct current dispensable circuit by photovoltaic DC monitoring and protecting and gating circuit, forms photovoltaic and energy storage electric power storage DC inversion supply path;
Photovoltaic electric power incoming end is connected and is connect electric discharge bus after light, storage direct current dispensable circuit and connect batteries incoming end A and batteries incoming end B, formation photovoltaic DC charging path by discharge gating switch A and electric power storage electric discharge gating switch B of electric power storage respectively by photovoltaic DC monitoring and protecting and gating circuit;
Batteries incoming end A and batteries incoming end B are connect electric discharge bus and are connected photovoltaic DC monitoring and protecting and gating circuit by light, storage direct current dispensable circuit by electric power storage gating switch A and the electric power storage electric discharge gating switch B that discharges respectively, through photovoltaic DC monitoring and protecting and the access grid-connected inversion of gating circuit connectivity port, form the grid-connected feed inversion of electric power storage supply path;
Batteries incoming end A and batteries incoming end B discharge by electric power storage that gating switch A and electric power storage electric discharge gating switch B connects electric discharge bus respectively and by electric discharge on-off switch circuit and the discharge-preventing reverse current protection circuit access two-way inversion of energy storage connectivity port, form energy storage electric power storage inversion and are load supply path;
The two-way inversion of energy storage connectivity port connects after discharging and recharging bus and connecing charging bus by charging counterflow-preventing protective circuit and connects batteries incoming end A and batteries incoming end B through electric power storage electric discharge gating switch A and electric power storage electric discharge gating switch B, and forming inversion alternating current is batteries electric power storage charging path.
The present invention has effectively overcome the technological deficiency of prior art and product, and its system is in the generating period, and photovoltaic combining inverter generating and batteries realize muck in by the two-way inverter of energy storage provides Alternating Current Power Supply, photovoltaic does not generate electricity the period, batteries is providing alternating electromotive force by the two-way inverter of energy storage, simultaneously batteries incoming end A and batteries incoming end B are connect and are discharged bus and pass through light by discharge gating switch A and electric power storage electric discharge gating switch B of electric power storage respectively, storage direct current dispensable circuit connects photovoltaic DC monitoring and protecting and gating circuit, through photovoltaic DC monitoring and protecting and the access grid-connected inversion of gating circuit connectivity port, form the grid-connected feed inversion of electric power storage supply path, for the power supply that user provides is exerted oneself as the muck in of the two-way inverter of energy storage and combining inverter, the ability that power supply is exerted oneself is multiplied.Hence one can see that, at photovoltaic generation and do not generate electricity two periods, the system power supply ability sum of exerting oneself of exerting oneself as the two-way inverter of energy storage and combining inverter of powering, overcome the defect that the unglazed photograph of photovoltaic combining inverter is not just exerted oneself, increase the power supply capacity for user load, system resource is fully used, and the level of resources utilization is provided greatly, has increased returns of investment.
Brief description of the drawings
Fig. 1 (a) exchanges and connects the system principle schematic block diagram of mode for prior art;
Fig. 1 (b) is prior art direct current the system principle schematic block diagram that connects mode;
Fig. 2 is a kind of system principle schematic block diagram of light storage interlock PD regulation device.
Embodiment
As examples of implementation, by reference to the accompanying drawings a kind of light, storage interlock PD regulation device are described, still, technology of the present invention and scheme are not limited to the content that the present embodiment provides.
Accompanying drawing 1 (a) has provided prior art and exchanges and connect the system principle schematic block diagram of mode.As shown in Fig. 1 (a), system forms light, storage complemental power-generation energy storage for power supply system to exchange and to connect mode; In the generating period, photovoltaic combining inverter generating and batteries realize muck in by the two-way inverter of energy storage provides Alternating Current Power Supply; Photovoltaic does not generate electricity the period, by batteries by the two-way inverter power supply of energy storage, power supply the exerting oneself for the two-way inverter of energy storage of exerting oneself.
Accompanying drawing 1 (b) has provided prior art direct current and has connect the system principle schematic block diagram of mode, and as shown in Fig. 1 (b), system forms light, storage complemental power-generation energy storage for power supply system with direct current the mode that connects; In the photovoltaic generation period, direct current power and the batteries direct current power of photovoltaic controller output provide Alternating Current Power Supply by the two-way inverter of energy storage in the lump; Period of not generating electricity is identical with Fig. 1 (a) mode, by batteries by the two-way inverter power supply of energy storage, power supply the exerting oneself for the two-way inverter of energy storage of exerting oneself.
Accompanying drawing 2 has provided a kind of multi-to-multi electrical path regulation device schematic block diagram, as shown in Figure 1, a kind of light storage interlock PD regulation device, comprise: many power regulations device (1), photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), charging monitoring and automatically controlled drive circuit (4), electric discharge on-off switch circuit (5), discharge-preventing reverse current protection circuit (6a), charging counterflow-preventing protective circuit (6b), electric power storage electric discharge gating switch A (7a), electric power storage electric discharge gating switch B (7b), batteries incoming end A (8a), batteries incoming end B (8b), photovoltaic electric power incoming end (9), communication port (10), parallel network reverse connectivity port (11), the two-way inversion module of energy storage connectivity port (12), controlling bus (13), electric discharge bus (14), charging bus (15), discharge and recharge bus (16),
It is characterized in that: many power regulations device (1) connects respectively photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), charging monitoring and automatically controlled drive circuit (4), electric power storage electric discharge gating switch A (7a), electric power storage electric discharge gating switch B (7b) and communication port (10) by controlling bus (13), forms regulation and control and communication link;
Photovoltaic electric power incoming end (9) connects parallel network reverse connectivity port (11) by photovoltaic DC monitoring and protecting and gating circuit (2), forms photovoltaic direct-furnish parallel network reverse generating supply path;
Photovoltaic electric power incoming end (9) connects electric discharge bus (14) and the two-way inversion module of energy storage connectivity port (12) after connecting light, storage direct current dispensable circuit (3) by photovoltaic DC monitoring and protecting and gating circuit (2), forms photovoltaic and energy storage electric power storage DC inversion supply path;
Photovoltaic electric power incoming end (9) is connected and is connect electric discharge bus (14) after light, storage direct current dispensable circuit (3) and connect batteries incoming end A (8a) and batteries incoming end B (8b), formation photovoltaic DC charging path by discharge gating switch A (7a) and electric power storage electric discharge gating switch B (7b) of electric power storage respectively by photovoltaic DC monitoring and protecting and gating circuit (2);
Batteries incoming end A (8a) and batteries incoming end B (8b) are connect electric discharge bus (14) and are connected photovoltaic DC monitoring and protecting and gating circuit (2) by light, storage direct current dispensable circuit (3) by electric power storage gating switch A (7a) and the electric power storage electric discharge gating switch B (7b) that discharges respectively, through photovoltaic DC monitoring and protecting and the access grid-connected inversion of gating circuit (2) connectivity port (11), form the grid-connected feed inversion of electric power storage supply path;
Batteries incoming end A (8a) and batteries incoming end B (8b) discharge by electric power storage that gating switch A (7a) and electric power storage electric discharge gating switch B (7b) connects electric discharge bus (14) respectively and by electric discharge on-off switch circuit (5) and discharge-preventing reverse current protection circuit (6a) the access two-way inversion of energy storage connectivity port (12), form energy storage electric power storage inversion and are load supply path;
The two-way inversion of energy storage connectivity port (12) connects to discharge and recharge bus (16) and connect charging bus (15) by charging counterflow-preventing protective circuit (6b) and connects batteries incoming end A (8a) and batteries incoming end B (8b) by electric power storage electric discharge gating switch A (7a) and electric power storage electric discharge gating switch B (7b), and formation inversion alternating current is batteries electric power storage charging path.
Technical solution of the present invention makes system not generate electricity the period at photovoltaic, when providing electric power by batteries for the two-way inverter of energy storage, batteries is also connect electric discharge bus (14) and is passed through light by discharge gating switch A (7a) and electric power storage electric discharge gating switch B (7b) of electric power storage respectively by batteries incoming end A (8a) and batteries incoming end B (8b), storage direct current dispensable circuit (3) connects photovoltaic DC monitoring and protecting and gating circuit (2), through photovoltaic DC monitoring and protecting and the access grid-connected inversion of gating circuit (2) connectivity port (11), form the grid-connected feed inversion of electric power storage supply path, for the power supply that user provides is exerted oneself as the muck in of the two-way inverter of energy storage and combining inverter, the ability that power supply is exerted oneself is multiplied.
Claims (1)
1. a light storage interlock PD regulation device, comprise: many power regulations device (1), photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), charging monitoring and automatically controlled drive circuit (4), electric discharge on-off switch circuit (5), discharge-preventing reverse current protection circuit (6a), charging counterflow-preventing protective circuit (6b), electric power storage electric discharge gating switch A (7a), electric power storage electric discharge gating switch B (7b), batteries incoming end A (8a), batteries incoming end B (8b), photovoltaic electric power incoming end (9), communication port (10), parallel network reverse connectivity port (11), the two-way inversion module of energy storage connectivity port (12), controlling bus (13), electric discharge bus (14), charging bus (15), discharge and recharge bus (16),
It is characterized in that: many power regulations device (1) connects respectively photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), charging monitoring and automatically controlled drive circuit (4), electric power storage electric discharge gating switch A (7a), electric power storage electric discharge gating switch B (7b) and communication port (10) by controlling bus (13), forms regulation and control and communication link;
Photovoltaic electric power incoming end (9) connects parallel network reverse connectivity port (11) by photovoltaic DC monitoring and protecting and gating circuit (2), forms photovoltaic direct-furnish parallel network reverse generating supply path;
Photovoltaic electric power incoming end (9) connects electric discharge bus (14) and the two-way inversion module of energy storage connectivity port (12) after connecting light, storage direct current dispensable circuit (3) by photovoltaic DC monitoring and protecting and gating circuit (2), forms photovoltaic and energy storage electric power storage DC inversion supply path;
Photovoltaic electric power incoming end (9) is connected and is connect electric discharge bus (14) after light, storage direct current dispensable circuit (3) and connect batteries incoming end A (8a) and batteries incoming end B (8b), formation photovoltaic DC charging path by discharge gating switch A (7a) and electric power storage electric discharge gating switch B (7b) of electric power storage respectively by photovoltaic DC monitoring and protecting and gating circuit (2);
Batteries incoming end A (8a) and batteries incoming end B (8b) are connect electric discharge bus (14) and are connected photovoltaic DC monitoring and protecting and gating circuit (2) by light, storage direct current dispensable circuit (3) by electric power storage gating switch A (7a) and the electric power storage electric discharge gating switch B (7b) that discharges respectively, through photovoltaic DC monitoring and protecting and the access grid-connected inversion of gating circuit (2) connectivity port (11), form the grid-connected feed inversion of electric power storage supply path;
Batteries incoming end A (8a) and batteries incoming end B (8b) discharge by electric power storage that gating switch A (7a) and electric power storage electric discharge gating switch B (7b) connects electric discharge bus (14) respectively and by electric discharge on-off switch circuit (5) and discharge-preventing reverse current protection circuit (6a) the access two-way inversion of energy storage connectivity port (12), form energy storage electric power storage inversion and are load supply path;
The two-way inversion of energy storage connectivity port (12) connects to discharge and recharge bus (16) and connect charging bus (15) by charging counterflow-preventing protective circuit (6b) and connects batteries incoming end A (8a) and batteries incoming end B (8b) by electric power storage electric discharge gating switch A (7a) and electric power storage electric discharge gating switch B (7b), and formation inversion alternating current is batteries electric power storage charging path.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310079562.5A CN104052142B (en) | 2013-03-14 | 2013-03-14 | A kind of light, storage interlock PD regulation device |
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| CN201310079562.5A CN104052142B (en) | 2013-03-14 | 2013-03-14 | A kind of light, storage interlock PD regulation device |
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| CN104052142A true CN104052142A (en) | 2014-09-17 |
| CN104052142B CN104052142B (en) | 2016-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130131A (en) * | 2019-12-18 | 2020-05-08 | 安徽天尚清洁能源科技有限公司 | Double-bus micro-grid complementary power supply system |
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2013
- 2013-03-14 CN CN201310079562.5A patent/CN104052142B/en active Active
Patent Citations (6)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111130131A (en) * | 2019-12-18 | 2020-05-08 | 安徽天尚清洁能源科技有限公司 | Double-bus micro-grid complementary power supply system |
| CN111130131B (en) * | 2019-12-18 | 2021-11-19 | 安徽天尚清洁能源科技有限公司 | Double-bus micro-grid complementary power supply system |
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Effective date of registration: 20231221 Address after: Unit 7, 3rd Floor, No. 1115 Fangshan North 2nd Road, Majiang Street, Xiang'an District, Xiamen City, Fujian Province, 361100 Patentee after: Xiamen Xinshuneng Power Technology Co.,Ltd. Address before: Room 301, No. 2 North Building, No. 8 Nanhun Road, Chaoyang District, Beijing 100102 Patentee before: Zhou Xiwei |
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