CN205017022U - Intelligent photovoltaic micro -grid distributed power generation system - Google Patents

Intelligent photovoltaic micro -grid distributed power generation system Download PDF

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Publication number
CN205017022U
CN205017022U CN201520803240.5U CN201520803240U CN205017022U CN 205017022 U CN205017022 U CN 205017022U CN 201520803240 U CN201520803240 U CN 201520803240U CN 205017022 U CN205017022 U CN 205017022U
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China
Prior art keywords
switch
photovoltaic
contact
module
charge
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Expired - Fee Related
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CN201520803240.5U
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Chinese (zh)
Inventor
杨波
罗赟
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杨波
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Priority to CN201520803240.5U priority Critical patent/CN205017022U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/14District level solutions, i.e. local energy networks

Abstract

The utility model discloses an intelligent photovoltaic micro -grid distributed power generation system, include interconnect's photovoltaic module and be connected with charge controllers, last photovoltaic power generation output and the energy storage battery of being connected with of charge controllers, still be connected with the terminal consumer on the photovoltaic power generation output, the photovoltaic power generation output with be provided with microgrid converter and control module between the consumer wherein the microgrid converter includes a DCDC module, the 2nd DCDC module, charge and discharge capacitance, the 3rd DCDC module, DCAC module and the first contact that connects gradually, and second contact and a plurality of switch are connected with this system of load circuit still including connecting in the lithium battery measurement equipment of two ends of charge and discharge capacitance on. The utility model discloses can realize charging to what the lithium cell was organized, give the power supply of load circuit and terminal equipment and be connected with public power grid, and have advantages such as simple structure, convenient to use.

Description

A kind of photovoltaic intelligent microgrid distributed generation system
Technical field
The utility model relates to photovoltaic generating system, specifically, relates to a kind of photovoltaic intelligent microgrid distributed generation system.
Background technology
Solar energy is the inexhaustible energy.For promoting the development of low-carbon economy, the Solar use rapid rising based on photovoltaic generation.Photovoltaic generation unit is a kind of special generating equipment, and consider from the angle of environmental protection and renewable energy utilization, the scale expanding photovoltaic generation is very necessary.Namely wherein main in photovoltaic generation equipment be photovoltaic DC-to-AC converter (current transformer).And how to use photovoltaic DC-to-AC converter to carry out photovoltaic generation energy storage, load use and the grid-connected problem being prior art and needing to solve.
Summary of the invention
The purpose of this utility model is to provide a kind of photovoltaic intelligent microgrid distributed generation system, to overcome currently available technology above shortcomings.
The purpose of this utility model is achieved through the following technical solutions:
A kind of photovoltaic intelligent microgrid distributed generation system, comprise photovoltaic module and microgrid current transformer, described photovoltaic module is connected in series with charging-discharging controller, described charging-discharging controller is connected with photovoltaic generation output and energy-storage battery, described photovoltaic generation output is also connected with terminal power consumption equipment, microgrid current transformer and control module is provided with between described photovoltaic generation output and described power consumption equipment, described microgrid current transformer comprises the DC/DC and the 2nd DC/DC that are connected with described photovoltaic generation output, a described DC/DC and the 2nd DC/DC is connected with charge and discharge capacitance, the output of described charge and discharge capacitance is also connected with the 3rd DC/DC module, DC/AC module, described three DC/DC modules, DC/AC module is also connected with the first contact, the second contact be connected with described first contact and the first switch, described second contact is also connected with main circuit breaker and the 3rd switch, described first switch is externally connected with second switch, described second switch is externally connected with outside first load, described 3rd switch is connected with outside second load, described main circuit breaker is connected with public electric wire net.
Wherein, Power Quality Detection unit is also provided with outside described second contact.
Further, described charge and discharge capacitance is also connected with charging and discharging lithium battery equipment, described charging and discharging lithium battery equipment is also connected with lithium battery management system outward.
Preferably, described first switch, described second switch and described 3rd switch are fluorescent switch.
The beneficial effects of the utility model are: the utility model can realize the charging to lithium battery group, be connected, and be simple in structure and convenient in use to load circuit with power terminal equipment and with public electric wire net.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the photovoltaic intelligent microgrid distributed generation system structural representation according to the utility model embodiment.
In figure:
1, photovoltaic module; 2, charging-discharging controller; 3, photovoltaic generation output; 4, energy-storage battery; 5, terminal power consumption equipment; 6, microgrid current transformer; 7, control module; 8, a DC/DC; 9, the 2nd DC/DC; 10, charge and discharge capacitance; 11, the 3rd DC/DC; 12, DC/AC; 13, the first contact; 14, the second contact; 15, the first switch; 16, main circuit breaker; 17, the 3rd switch; 18, second switch; 19 first loads; 20, the second load; 21, public electric wire net; 22, Power Quality Detection unit; 23, charging and discharging lithium battery equipment; 24, lithium battery management system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1, a kind of photovoltaic intelligent microgrid distributed generation system according to embodiment of the present utility model, comprise photovoltaic module 1, described photovoltaic module 1 is connected in series with charging-discharging controller 2, described charging-discharging controller 2 is connected with photovoltaic generation output 3 and energy-storage battery 4, described photovoltaic generation output 3 is also connected with terminal power consumption equipment 5, microgrid current transformer 6 and control module 7 is provided with between described photovoltaic generation output 3 and described power consumption equipment 5, described microgrid current transformer 6 comprises the DC/DC8 and the 2nd DC/DC9 that are connected with described photovoltaic generation output 3, a described DC/DC8 and the 2nd DC/DC9 is connected with charge and discharge capacitance 10, the output of described charge and discharge capacitance 10 is also connected with the 3rd DC/DC(11) and DC/AC12, described three DC/DC11, DC/AC12 is also connected with the first contact 13, the second contact 14 and the first switch 15 be connected with described first contact 13, described second contact 14 is also connected with main circuit breaker 16 and the 3rd switch 17, described first switch 15 is externally connected with second switch 18, described second switch 18 is externally connected with outside first load 19, described 3rd switch 17 is connected with outside second load 20, described main circuit breaker 16 is connected with public electric wire net 21.
Further, described second contact 14 is outer is also provided with Power Quality Detection unit 21.
Further described charge and discharge capacitance 10 is also connected with charging and discharging lithium battery equipment 23, and described charging and discharging lithium battery equipment 23 is outer is also connected with lithium battery management system 24.
Further, described first switch 15, described second switch 18 and described 3rd switch 17 are fluorescent switch.
Reach the effect to the conservative control that output electricity uses by the charging-discharging controller arranged, and the Multi-Switch multiconductor arranged also reaches the high effect of reliability stability.
In sum, by means of technique scheme of the present utility model, the utility model can realize the charging to lithium battery group, is connected, and is simple in structure and convenient in use to load circuit with power terminal equipment and with public electric wire net.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (4)

1. a photovoltaic intelligent microgrid distributed generation system, it is characterized in that, comprise photovoltaic module (1), described photovoltaic module (1) is connected in series with charging-discharging controller (2), described charging-discharging controller (2) is connected with photovoltaic generation output (3) and energy-storage battery (4), described photovoltaic generation output (3) is also connected with terminal power consumption equipment (5), microgrid current transformer (6) and control module (7) is provided with between described photovoltaic generation output (3) and described power consumption equipment (5), described microgrid current transformer (6) comprises the DC/DC(8 be connected with described photovoltaic generation output (3)) and the 2nd DC/DC(9), a described DC/DC(8) and the 2nd DC/DC(9) on be connected with charge and discharge capacitance (10), the output of described charge and discharge capacitance (10) is also connected with the 3rd DC/DC(11) and DC/AC(12), described three DC/DC(11), DC/AC(12) the first contact (13) is also connected with on, the second contact (14) be connected with described first contact (13) and the first switch (15), described second contact (14) is also connected with main circuit breaker (16) and the 3rd switch (17), described first switch (15) is externally connected with second switch (18), described second switch (18) is externally connected with outside first load (19), described 3rd switch (17) is connected with outside second load (20), described main circuit breaker (16) is connected with public electric wire net (21).
2. photovoltaic intelligent microgrid distributed generation system according to claim 1, is characterized in that, described second contact (14) is also provided with Power Quality Detection unit (21) outward.
3. photovoltaic intelligent microgrid distributed generation system according to claim 1, it is characterized in that, described charge and discharge capacitance (10) is also connected with charging and discharging lithium battery equipment (23), described charging and discharging lithium battery equipment (23) is also connected with lithium battery management system (24) outward.
4. photovoltaic intelligent microgrid distributed generation system according to claim 1, is characterized in that, described first switch (15), described second switch (18) and described 3rd switch (17) are fluorescent switch.
CN201520803240.5U 2015-10-17 2015-10-17 Intelligent photovoltaic micro -grid distributed power generation system Expired - Fee Related CN205017022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520803240.5U CN205017022U (en) 2015-10-17 2015-10-17 Intelligent photovoltaic micro -grid distributed power generation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520803240.5U CN205017022U (en) 2015-10-17 2015-10-17 Intelligent photovoltaic micro -grid distributed power generation system

Publications (1)

Publication Number Publication Date
CN205017022U true CN205017022U (en) 2016-02-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520803240.5U Expired - Fee Related CN205017022U (en) 2015-10-17 2015-10-17 Intelligent photovoltaic micro -grid distributed power generation system

Country Status (1)

Country Link
CN (1) CN205017022U (en)

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160203

Termination date: 20191017

CF01 Termination of patent right due to non-payment of annual fee