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 PDF

Info

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
Authority
CN
China
Prior art keywords
connects
controller
distribution box
environmental protection
low pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810626900.5A
Other languages
Chinese (zh)
Inventor
殷凤乾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU YANSHAN PHOTOVOLTAIC EQUIPMENT CO Ltd
Original Assignee
JIANGSU YANSHAN PHOTOVOLTAIC EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU YANSHAN PHOTOVOLTAIC EQUIPMENT CO Ltd filed Critical JIANGSU YANSHAN PHOTOVOLTAIC EQUIPMENT CO Ltd
Priority to CN201810626900.5A priority Critical patent/CN108695894A/en
Publication of CN108695894A publication Critical patent/CN108695894A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • H02J3/382Dispersed generators the generators exploiting renewable energy
    • H02J3/383Solar energy, e.g. photovoltaic energy
    • H02J3/385Maximum power point tracking control for photovoltaic sources
    • 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

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

A kind of low pressure parallel network power generation mechanism of environmental protection
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.
CN201810626900.5A 2018-06-19 2018-06-19 A kind of low pressure parallel network power generation mechanism of environmental protection Pending CN108695894A (en)

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

Publications (1)

Publication Number Publication Date
CN108695894A true CN108695894A (en) 2018-10-23

Family

ID=63849451

Family Applications (1)

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

Country Status (1)

Country Link
CN (1) CN108695894A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110601181A (en) * 2019-08-28 2019-12-20 潘协印 Hybrid system power decision device

Similar Documents

Publication Publication Date Title
CN201194333Y (en) Solar photovoltaic parallel-in system
CN202997585U (en) Household solar energy grid connected generation system
CN104242790A (en) Wind-solar hybrid power generation system
CN203933136U (en) Novel household energy-storage system controller
CN104682533A (en) Double-bus direct current ultra-micro grid system suitable for sustainable building
CN102142793A (en) Power supply system of communication base station
CN204947612U (en) A kind of stable view energy source Blast Furnace Top Gas Recovery Turbine Unit (TRT)
CN102457068A (en) Solar photovoltaic grid-connected system based on packet MPPT control
CN201946994U (en) Capacitor-resistor device of solar photovoltaic grid-connected inverter
CN202513586U (en) Intelligent micro-grid using renewable energy for generating power
CN108695894A (en) A kind of low pressure parallel network power generation mechanism of environmental protection
CN203722249U (en) Distributed photovoltaic grid-connected power generation system
CN205829185U (en) A kind of solar photovoltaic grid-connection TRT
CN202215434U (en) Novel garden wind/photovoltaic complementary power-supply system
CN204119112U (en) A kind of family expenses 500W solar electric power supply system
CN204190669U (en) A kind of wind and solar hybrid generating system
CN106058935A (en) Distributed type wind and optical energy storing and charging integrated micro power grid system
CN203707793U (en) Micro grid system used for island power supply
CN106208132A (en) A kind of water power photovoltaic integrated operated type micro-grid system
CN104659897A (en) Photovoltaic grid-connected power supply system used for sport clubhouse
CN203481843U (en) Wind-light diesel-storage battery micro-grid power generation system
CN203645323U (en) DC microgrid control system
CN203180548U (en) Unidirectional downlink grid-connected type DC microgrid
CN207603498U (en) A kind of wind light mutual complementing power generation and the device of energy storage
CN203423648U (en) Embedded type solar direct current power supply system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181023

WD01 Invention patent application deemed withdrawn after publication