CN104052142B - A kind of light, storage interlock PD regulation device - Google Patents
A kind of light, storage interlock PD regulation device Download PDFInfo
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- CN104052142B CN104052142B CN201310079562.5A CN201310079562A CN104052142B CN 104052142 B CN104052142 B CN 104052142B CN 201310079562 A CN201310079562 A CN 201310079562A CN 104052142 B CN104052142 B CN 104052142B
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- 230000005611 electricity Effects 0.000 abstract description 11
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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 belongs to new forms of energy technical field of electric power, be specifically related to a kind of light, storage interlock PD regulation device.Technical solution of the present invention makes system not generate electricity the period at photovoltaic, by batteries for while the two-way inverter of energy storage provides electric power, batteries is also passed through batteries incoming end A (8a) and batteries incoming end B (8b) and is connect electric discharge bus (14) respectively by condensed discharge gating switch A (7a) and condensed discharge gating switch B (7b) and pass through light, 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 connectivity port (11) of gating circuit (2), form electric power storage grid-connected feed inversion supply path, the muck in that the power supply provided for user is exerted oneself as the two-way inverter of energy storage and combining inverter, the ability of exerting oneself of powering is multiplied.
Description
Technical field
The invention belongs to new forms of energy technical field of electric power, be specifically related to a kind of light, storage interlock PD regulation device.
Background technology
Photovoltaic new energy application is subject to the attention of world community government and fosters, but photovoltaic electric power belongs to the unstable electric power of batch (-type), need the cooperation stable output electric power of energy storage battery, therefore independently photovoltaic generation electric power system all can't do without energy storage battery, with light storage complementary type construction system.Its prior art and product exchange as Fig. 1 (a) and connect mode and Fig. 1 (b) direct current and connect shown in mode, light storage common composition electrification energy storage electric power system; Alternating electromotive force form that Fig. 1 (a) mode utilizes photovoltaic combining inverter to export generating power supply, the direct current power mode that Fig. 1 (b) mode utilizes photovoltaic controller to export generates electricity power supply, 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, and exerting oneself for the two-way inverter of energy storage of exerting oneself of powering; Fig. 1 (b) mode is in the photovoltaic generation period, and the direct current power that photovoltaic controller exports and batteries direct current power provide Alternating Current Power Supply by the two-way inverter of energy storage in the lump; Period that do not generate electricity is identical with Fig. 1 (a) mode, and by batteries by the two-way inverter power supply of energy storage, power supply is exerted oneself exerting oneself for the two-way inverter of energy storage.It can thus be appreciated that, Fig. 1 (a) mode in do not generate electricity period and Fig. 1 (b) mode at photovoltaic generation and do not generate electricity two periods, namely system power supply ability powers exerting oneself for the two-way inverter of energy storage of exerting oneself, photovoltaic combining inverter is not exerted oneself, decrease the power supply capacity for user load, system resource all part utilizes, and reduces the level of resources utilization, have impact on 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, condensed discharge gating switch A, condensed 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 connectivity port of energy storage, controlling bus, electric discharge bus, charging bus, discharge and recharge bus,
It is characterized in that: many power regulations device connects photovoltaic DC monitoring and protecting and gating circuit, light, storage direct current dispensable circuit, charging monitoring and automatically controlled drive circuit, condensed discharge gating switch A, condensed discharge gating switch B and communication port respectively by controlling bus, forms regulation and control and communication link;
Wherein, described condensed discharge gating switch A has first, second and the 3rd terminal, described condensed discharge gating switch B has first, second and the 3rd terminal, the first terminal of condensed discharge gating switch A is connected with batteries incoming end A, the first terminal of condensed discharge gating switch B is connected with batteries incoming end B, 3rd terminal of condensed discharge gating switch A is connected with electric discharge bus with second terminal of condensed discharge gating switch B simultaneously, second terminal of condensed discharge gating switch A is connected charging bus with the 3rd terminal of condensed discharge gating switch B simultaneously,
Photovoltaic electric power incoming end connects parallel network reverse connectivity port by photovoltaic DC monitoring and protecting and gating circuit, forms photovoltaic direct-furnish parallel network reverse generating supply path;
Photovoltaic electric power incoming end connects the two-way inversion module connectivity port of energy storage by photovoltaic DC monitoring and protecting and gating circuit, light, storage direct current dispensable circuit, electric discharge bus, electric discharge on-off switch circuit successively, forms photovoltaic and energy storage electric power storage DC inversion supply path;
Photovoltaic electric power incoming end is successively by photovoltaic DC monitoring and protecting and gating circuit, light, storage direct current dispensable circuit connection electric discharge bus, connect the 3rd terminal of condensed discharge gating switch A by electric discharge bus and connect batteries incoming end A by the first terminal of condensed discharge gating switch A, connect second terminal of condensed discharge gating switch B by electric discharge bus simultaneously and connect batteries incoming end B by the first terminal of condensed discharge gating switch B, forming photovoltaic DC charging path;
Batteries incoming end A connects the first terminal of condensed discharge gating switch A and connects electric discharge bus by the 3rd terminal of condensed discharge gating switch A, and batteries incoming end B connects the first terminal of condensed discharge gating switch B and connects electric discharge bus by second terminal of condensed discharge gating switch B, connect parallel network reverse connectivity port by electric discharge bus by light, storage direct current dispensable circuit, photovoltaic DC monitoring and protecting and gating circuit again, form electric power storage grid-connected feed inversion supply path;
Batteries incoming end A connects the first terminal of condensed discharge gating switch A and connects electric discharge bus by the 3rd terminal of condensed discharge gating switch A, and batteries incoming end B connects the first terminal of condensed discharge gating switch B and connects electric discharge bus by second terminal of condensed discharge gating switch B, access the two-way inversion connectivity port of energy storage by electric discharge bus by electric discharge on-off switch circuit and discharge-preventing reverse current protection circuit again, form energy storage electric power storage inversion and be load supply path;
Energy storage two-way inversion connectivity port connects charging monitoring and automatically controlled drive circuit, charging counterflow-preventing protective circuit, charging bus in turn; batteries incoming end A is connected through second terminal of condensed discharge gating switch A, the first terminal of condensed discharge gating switch A by charging bus; and connect batteries incoming end B through the 3rd terminal of condensed discharge gating switch B, the first terminal of condensed discharge gating switch B, forming inversion alternating current is batteries electric power storage charging path.
The present invention effectively overcomes 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, batteries incoming end A and batteries incoming end B connects electric discharge bus respectively by condensed discharge gating switch A and condensed discharge gating switch B and passes through light simultaneously, 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 connectivity port of gating circuit, form electric power storage grid-connected feed inversion supply path, the muck in that the power supply provided for user is exerted oneself as the two-way inverter of energy storage and combining inverter, the ability of exerting oneself of powering is multiplied.It can thus be appreciated that, at photovoltaic generation and do not generate electricity two periods, namely system power supply ability powers the sum of exerting oneself of exerting oneself as the two-way inverter of energy storage and combining inverter, overcome the defect that the unglazed photograph of photovoltaic combining inverter is not just exerted oneself, add the power supply capacity for user load, system resource is fully used, and greatly provides the level of resources utilization, adds returns of investment.
Accompanying drawing explanation
Fig. 1 (a) exchanges for prior art and connects the system principle schematic block diagram of mode;
Fig. 1 (b) is for prior art direct current and connect the system principle schematic block diagram of mode;
Fig. 2 is the system principle schematic block diagram of a kind 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, but technology of the present invention and scheme are not limited to the content that the present embodiment provides.
Accompanying drawing 1 (a) gives prior art and exchanges and the system principle schematic block diagram connecing mode.As Suo Shi Fig. 1 (a), system is to exchange and the mode that connects forms light, storage complemental power-generation energy storage for power supply system; 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, and exerting oneself for the two-way inverter of energy storage of exerting oneself of powering.
Accompanying drawing 1 (b) gives prior art direct current and connects the system principle schematic block diagram of mode, and as Suo Shi Fig. 1 (b), system is with direct current and the mode that connects forms light, storage complemental power-generation energy storage for power supply system; In the photovoltaic generation period, the direct current power that photovoltaic controller exports and batteries direct current power provide Alternating Current Power Supply by the two-way inverter of energy storage in the lump; Period that do not generate electricity is identical with Fig. 1 (a) mode, and by batteries by the two-way inverter power supply of energy storage, power supply is exerted oneself exerting oneself for the two-way inverter of energy storage.
Figure 2 shows 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), condensed discharge gating switch A (7a), condensed 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 connectivity port (12) of energy storage, 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 photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), charging monitoring and automatically controlled drive circuit (4), condensed discharge gating switch A (7a), condensed discharge gating switch B (7b) and communication port (10) respectively by controlling bus (13), forms regulation and control and communication link;
Wherein, described condensed discharge gating switch A (7a) has first, second and the 3rd terminal, described condensed discharge gating switch B (7b) has first, second and the 3rd terminal, the first terminal of condensed discharge gating switch A (7a) is connected with batteries incoming end A (8a), the first terminal of condensed discharge gating switch B (7b) is connected with batteries incoming end B (8b), 3rd terminal of condensed discharge gating switch A (7a) is connected with electric discharge bus (14) with second terminal of condensed discharge gating switch B (7b) simultaneously, second terminal of condensed discharge gating switch A (7a) is connected with the 3rd terminal of condensed discharge gating switch B (7b) bus (15) that charges simultaneously,
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 the two-way inversion module connectivity port (12) of energy storage by photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), electric discharge bus (14), electric discharge on-off switch circuit (5) successively, forms photovoltaic and energy storage electric power storage DC inversion supply path;
Photovoltaic electric power incoming end (9) is successively by photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3) connects electric discharge bus (14), connect the 3rd terminal of condensed discharge gating switch A (7a) by electric discharge bus (14) and connect batteries incoming end A (8a) by the first terminal of condensed discharge gating switch A (7a), connect the second terminal of condensed discharge gating switch B (7b) by electric discharge bus (14) simultaneously and connect batteries incoming end B (8b) by the first terminal of condensed discharge gating switch B (7b), form photovoltaic DC charging path,
Batteries incoming end A (8a) connects the first terminal of condensed discharge gating switch A (7a) and connects electric discharge bus (14) by the 3rd terminal of condensed discharge gating switch A (7a), and batteries incoming end B (8b) connects the first terminal of condensed discharge gating switch B (7b) and connects electric discharge bus (14) by second terminal of condensed discharge gating switch B (7b), light is passed through again by electric discharge bus (14), storage direct current dispensable circuit (3), photovoltaic DC monitoring and protecting and gating circuit (2) connect parallel network reverse connectivity port (11), form electric power storage grid-connected feed inversion supply path,
Batteries incoming end A (8a) connects the first terminal of condensed discharge gating switch A (7a) and connects electric discharge bus (14) by the 3rd terminal of condensed discharge gating switch A (7a), and batteries incoming end B (8b) connects the first terminal of condensed discharge gating switch B (7b) and connects electric discharge bus (14) by second terminal of condensed discharge gating switch B (7b), the two-way inversion connectivity port (12) of energy storage is accessed by electric discharge on-off switch circuit (5) and discharge-preventing reverse current protection circuit (6a) again by electric discharge bus (14), form energy storage electric power storage inversion and be load supply path,
Energy storage two-way inversion connectivity port (12) connects charging monitoring and automatically controlled drive circuit (4) in turn, charging counterflow-preventing protective circuit (6b), charging bus (15), by second terminal of charging bus (15) through condensed discharge gating switch A (7a), the first terminal of condensed discharge gating switch A (7a) connects batteries incoming end A (8a), and through the 3rd terminal of condensed discharge gating switch B (7b), the first terminal of condensed discharge gating switch B (7b) connects batteries incoming end B (8b), forming 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, by batteries for while the two-way inverter of energy storage provides electric power, batteries is also by batteries incoming end A (8a), the first terminal of condensed discharge gating switch A (7a), 3rd terminal of condensed discharge gating switch A (7a) or batteries also by batteries incoming end B (8b) respectively by and condensed discharge gating switch B (7b) the first terminal and by condensed discharge gating switch B (7b) second terminal connect electric discharge bus (14), again through light, storage direct current dispensable circuit (3), photovoltaic DC monitoring and protecting and gating circuit (2) connect parallel network reverse connectivity port (11), form electric power storage grid-connected feed inversion supply path, the muck in that the power supply provided for user is exerted oneself as the two-way inverter of energy storage and combining inverter, the ability of exerting oneself of powering 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), condensed discharge gating switch A (7a), condensed 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 connectivity port (12) of energy storage, 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 photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), charging monitoring and automatically controlled drive circuit (4), condensed discharge gating switch A (7a), condensed discharge gating switch B (7b) and communication port (10) respectively by controlling bus (13), forms regulation and control and communication link;
Wherein, described condensed discharge gating switch A (7a) has first, second and the 3rd terminal, described condensed discharge gating switch B (7b) has first, second and the 3rd terminal, the first terminal of condensed discharge gating switch A (7a) is connected with batteries incoming end A (8a), the first terminal of condensed discharge gating switch B (7b) is connected with batteries incoming end B (8b), 3rd terminal of condensed discharge gating switch A (7a) is connected with electric discharge bus (14) with second terminal of condensed discharge gating switch B (7b) simultaneously, second terminal of condensed discharge gating switch A (7a) is connected with the 3rd terminal of condensed discharge gating switch B (7b) bus (15) that charges simultaneously,
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 the two-way inversion module connectivity port (12) of energy storage by photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3), electric discharge bus (14), electric discharge on-off switch circuit (5) successively, forms photovoltaic and energy storage electric power storage DC inversion supply path;
Photovoltaic electric power incoming end (9) is successively by photovoltaic DC monitoring and protecting and gating circuit (2), light, storage direct current dispensable circuit (3) connects electric discharge bus (14), connect the 3rd terminal of condensed discharge gating switch A (7a) by electric discharge bus (14) and connect batteries incoming end A (8a) by the first terminal of condensed discharge gating switch A (7a), connect the second terminal of condensed discharge gating switch B (7b) by electric discharge bus (14) simultaneously and connect batteries incoming end B (8b) by the first terminal of condensed discharge gating switch B (7b), form photovoltaic DC charging path,
Batteries incoming end A (8a) connects the first terminal of condensed discharge gating switch A (7a) and connects electric discharge bus (14) by the 3rd terminal of condensed discharge gating switch A (7a), and batteries incoming end B (8b) connects the first terminal of condensed discharge gating switch B (7b) and connects electric discharge bus (14) by second terminal of condensed discharge gating switch B (7b), light is passed through again by electric discharge bus (14), storage direct current dispensable circuit (3), photovoltaic DC monitoring and protecting and gating circuit (2) connect parallel network reverse connectivity port (11), form electric power storage grid-connected feed inversion supply path,
Batteries incoming end A (8a) connects the first terminal of condensed discharge gating switch A (7a) and connects electric discharge bus (14) by the 3rd terminal of condensed discharge gating switch A (7a), and batteries incoming end B (8b) connects the first terminal of condensed discharge gating switch B (7b) and connects electric discharge bus (14) by second terminal of condensed discharge gating switch B (7b), the two-way inversion connectivity port (12) of energy storage is accessed by electric discharge on-off switch circuit (5) and discharge-preventing reverse current protection circuit (6a) again by electric discharge bus (14), form energy storage electric power storage inversion and be load supply path,
Energy storage two-way inversion connectivity port (12) connects charging monitoring and automatically controlled drive circuit (4) in turn, charging counterflow-preventing protective circuit (6b), charging bus (15), by second terminal of charging bus (15) through condensed discharge gating switch A (7a), the first terminal of condensed discharge gating switch A (7a) connects batteries incoming end A (8a), and through the 3rd terminal of condensed discharge gating switch B (7b), the first terminal of condensed discharge gating switch B (7b) connects batteries incoming end B (8b), forming inversion alternating current is batteries electric power storage charging path.
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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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| CN1536729A (en) * | 2003-04-04 | 2004-10-13 | 京东方科技集团股份有限公司 | Hangover chargeable cell 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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