CN108695894A - A kind of low pressure parallel network power generation mechanism of environmental protection - Google Patents
A kind of low pressure parallel network power generation mechanism of environmental protection Download PDFInfo
- Publication number
- CN108695894A CN108695894A CN201810626900.5A CN201810626900A CN108695894A CN 108695894 A CN108695894 A CN 108695894A CN 201810626900 A CN201810626900 A CN 201810626900A CN 108695894 A CN108695894 A CN 108695894A
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- connects
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- distribution box
- environmental protection
- low pressure
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000010248 power generation Methods 0.000 title claims abstract description 13
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000008358 core component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
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- H02J3/385—
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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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- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of low pressure parallel network power generation mechanisms of environmental protection, including photovoltaic battery plate, photovoltaic battery plate connects the first dc power table, first dc power table connects controller, controller connects the second dc power table, second dc power table connects accumulator, controller connects gird-connected inverter, gird-connected inverter connects distribution box, distribution box connects user's electric energy meter, user's electric energy meter connects electrical appliance, distribution box connects AC network, it is provided with lightning-protection system and bidirectional converter on photovoltaic battery plate, bidirectional converter is connected with individual loads, distribution box is connected with net side load;This kind of solar photovoltaic grid-connection power generator can all be of great significance as the supplement of conventional energy resource from environmental protection and energy strategy;Environmentally protective resource;Grid-connected voltage is generally in 220V hereinafter, absolute safety, opposite popularity;Longer life expectancy and maintenance are simple;The abundance of the high resource of practicability and have higher potential economy.
Description
Technical field
The present invention relates to a kind of power generator, more particularly to the low pressure parallel network power generation mechanism of a kind of environmental protection belongs to new
Type energy technology field.
Background technology
It is material that solar cell, which mainly uses monocrystalline silicon,.The P-N junction in similar diode is made with monocrystalline silicon.Work is former
Reason and diode-like are seemingly.Only in the diode, push P-N junction hole and electron motion is external electrical field, and in the sun
P-N junction hole and electron motion can be pushed and influenced in battery is solar photon and light radiation heat.It is namely usually said
Photovoltaic effect principle.For the sustainable development of the utilization and society of regenerative resource, worldwide, grid-connected hair
Power technology is flourishing.Gird-connected inverter is the core component of entire grid-connected photovoltaic system, grid-connected to improve
The flexibility of system, the quality of reliability and grid-connected electric energy, the grid-connected converter unit of system may be used a kind of completely new inverse
Become device circuit structure.On the basis of being analysed in depth to inverter, entire grid-connected photovoltaic system is studied.Solar energy
Photovoltaic generating system is mainly by solar-energy photo-voltaic cell group, photovoltaic system battery controller, accumulator and alternating current-direct current inverter
Its critical piece.
Invention content
The present invention provides a kind of low pressure parallel network power generation mechanism of environmental protection, can efficiently solve nowadays parallel network reverse
Device is the core component of entire grid-connected photovoltaic system, to improve flexibility, reliability and the grid-connected electricity of photovoltaic parallel in system
Can quality, the problem of a kind of completely new inverter circuit structure may be used in the grid-connected converter unit of system.
In order to solve the above technical problem, the present invention provides the following technical solutions:
A kind of low pressure parallel network power generation mechanism of environmental protection of the present invention, including photovoltaic battery plate, the photovoltaic battery plate connect the
One direct current power meter, the first dc power table connect controller, and the controller connects the second dc power table, and described the
Two dc power tables connect accumulator, and the controller connects gird-connected inverter, and the gird-connected inverter connects distribution box, described
Distribution box connects user's electric energy meter, and user's electric energy meter connects electrical appliance, and the distribution box connects AC network, the photovoltaic
Lightning-protection system and bidirectional converter are provided on battery plate, the bidirectional converter is connected with individual loads, the distribution box connection
There is net side load.
As a preferred technical solution of the present invention, described is provided between the photovoltaic battery plate and the controller
One direct current power meter is provided with the second dc power table between the controller and the gird-connected inverter.
As a preferred technical solution of the present invention, the accumulator connects the bidirectional converter, the two-way change
It flows device and connects the lightning-protection system.
As a preferred technical solution of the present invention, the controller is intelligent controller, and the accumulator is plumbic acid
Accumulator.
As a preferred technical solution of the present invention, user's electric energy meter is connect with the electrical appliance control, described
Controller is connected with accumulator control, and the controller is connected with gird-connected inverter control.
As a preferred technical solution of the present invention, the gird-connected inverter is connected with distribution box control, described
Distribution box is connected with user's electric energy meter control.
The advantageous effect that is reached of the present invention is:This kind of solar photovoltaic grid-connection power generator can be used as conventional energy resource
Supplement, be of great significance from environmental protection and energy strategy;Environmentally protective resource;Grid-connected voltage generally 220V with
Under, absolute safety, opposite popularity;Certain long-life and maintenance-free;The abundance and tool of the high resource of practicability
There is higher potential economy.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of solar photovoltaic grid-connection power generator of the present invention;
Fig. 2 is the system structure diagram of solar photovoltaic grid-connection power generator of the present invention;
In figure:1, photovoltaic battery plate;2, the first dc power table;3, controller;4, the second dc power table;5, accumulator;
6, gird-connected inverter;7, distribution box;8, user's electric energy meter;9, electrical appliance;10, AC network;11, lightning-protection system;12, two-way change
Flow device;13, individual loads;14, net side loads.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
As shown in Figs. 1-2, a kind of low pressure parallel network power generation mechanism of environmental protection of the present invention, including photovoltaic battery plate 1, photovoltaic electric
Plate 1 connects the first dc power table 2, and the first dc power table 2 connects controller 3, and controller 3 connects the second dc power table 4,
Second dc power table 4 connects accumulator 5, and controller 3 connects gird-connected inverter 6, and gird-connected inverter 6 connects distribution box 7, distribution
Case 7 connects user's electric energy meter 8, and user's electric energy meter 8 connects electrical appliance 9, and distribution box 7 connects AC network 10, set on photovoltaic battery plate 1
It is equipped with lightning-protection system 11 and bidirectional converter 12, bidirectional converter 12 is connected with individual loads 13, and it is negative that distribution box 7 is connected with net side
Carry 14.
Further, the first dc power table 2, controller 3 and parallel network reverse are provided between photovoltaic battery plate 1 and controller 3
The second dc power table 4 is provided between device 6.Accumulator 5 connects bidirectional converter 12, and bidirectional converter 12 connects lightning-protection system
11.Controller 3 is intelligent controller, and accumulator 5 is lead-acid accumulator.User's electric energy meter 8 is connected with the control of electrical appliance 9, control
Device 3 is connected with the control of accumulator 5, and controller 3 is connected with the control of gird-connected inverter 6.Gird-connected inverter 6 connects with the control of distribution box 7
It connects, distribution box 7 is connected with the control of user's electric energy meter 8.
Operation principle controller:Controller 3 acts on the process control of whole system, and the intelligent controller used is used for
Communication system and relatively large photovoltaic plant.Accumulator 5 uses lead-acid accumulator, and accumulator is the key that in photovoltaic generating system
Component, for storing the electric power come from photovoltaic cell conversion;Gird-connected inverter 6 uses maximal power tracing technology, to greatest extent
The electric energy that photovoltaic cell is converted is sent into AC network 10 on ground or supply electrical appliance 9 uses.
This kind of solar photovoltaic grid-connection power generator can be fought as the supplement of conventional energy resource from environmental protection and the energy
It is all of great significance on slightly;Environmentally protective resource;Grid-connected voltage is generally in 220V hereinafter, absolute safety, opposite
Popularity;Longer life expectancy and maintenance are simple;The abundance of the high resource of practicability and have higher potential economy.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of low pressure parallel network power generation mechanism of environmental protection, including photovoltaic battery plate (1), which is characterized in that the photovoltaic battery plate
(1) the first dc power table (2), the first dc power table (2) connection controller (3), controller (3) connection are connected
Second dc power table (4), the second dc power table (4) connection accumulator (5), controller (3) connection are grid-connected inverse
Become device (6), gird-connected inverter (6) the connection distribution box (7), distribution box (7) connection user's electric energy meter (8), the use
Family electric energy meter (8) connects electrical appliance (9), and the distribution box (7) connects AC network (10), is arranged on the photovoltaic battery plate (1)
There are lightning-protection system (11) and bidirectional converter (12), the bidirectional converter (12) to be connected with individual loads (13), the distribution
Case (7) is connected with net side load (14).
2. a kind of low pressure parallel network power generation mechanism of environmental protection according to claim 1, which is characterized in that the photovoltaic electric
Be provided with the first dc power table (2) between plate (1) and the controller (3), the controller (3) with it is described grid-connected inverse
It is provided with the second dc power table (4) between change device (6).
3. a kind of low pressure parallel network power generation mechanism of environmental protection according to claim 1, which is characterized in that the accumulator
(5) bidirectional converter (12) is connected, the bidirectional converter (12) connects the lightning-protection system (11).
4. a kind of low pressure parallel network power generation mechanism of environmental protection according to claim 1, which is characterized in that the controller
(3) it is intelligent controller, the accumulator (5) is lead-acid accumulator.
5. a kind of low pressure parallel network power generation mechanism of environmental protection according to claim 1, which is characterized in that user's electricity
Energy table (8) is connected with the electrical appliance (9) control, and the controller (3) controls with the accumulator (5) and connects, the control
Device (3) is connected with the gird-connected inverter (6) control.
6. a kind of low pressure parallel network power generation mechanism of environmental protection according to claim 1, which is characterized in that described grid-connected inverse
Become device (6) to connect with the distribution box (7) control, the distribution box (7) connects with user's electric energy meter (8) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626900.5A CN108695894A (en) | 2018-06-19 | 2018-06-19 | A kind of low pressure parallel network power generation mechanism of environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626900.5A CN108695894A (en) | 2018-06-19 | 2018-06-19 | A kind of low pressure parallel network power generation mechanism of environmental protection |
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| Publication Number | Publication Date |
|---|---|
| CN108695894A true CN108695894A (en) | 2018-10-23 |
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ID=63849451
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810626900.5A Pending CN108695894A (en) | 2018-06-19 | 2018-06-19 | A kind of low pressure parallel network power generation mechanism of environmental protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601181A (en) * | 2019-08-28 | 2019-12-20 | 潘协印 | Hybrid system power decision device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205829185U (en) * | 2016-07-07 | 2016-12-21 | 江苏贝德莱特太阳能科技有限公司 | A kind of solar photovoltaic grid-connection TRT |
| CN206195362U (en) * | 2016-11-07 | 2017-05-24 | 云南耀创能源开发有限公司 | Photovoltaic microgrid grid -connected electricity generation system |
-
2018
- 2018-06-19 CN CN201810626900.5A patent/CN108695894A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205829185U (en) * | 2016-07-07 | 2016-12-21 | 江苏贝德莱特太阳能科技有限公司 | A kind of solar photovoltaic grid-connection TRT |
| CN206195362U (en) * | 2016-11-07 | 2017-05-24 | 云南耀创能源开发有限公司 | Photovoltaic microgrid grid -connected electricity generation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601181A (en) * | 2019-08-28 | 2019-12-20 | 潘协印 | Hybrid system power decision device |
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