CN205791570U - Self reliance type micro-grid system - Google Patents

Self reliance type micro-grid system Download PDF

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Publication number
CN205791570U
CN205791570U CN201620781675.9U CN201620781675U CN205791570U CN 205791570 U CN205791570 U CN 205791570U CN 201620781675 U CN201620781675 U CN 201620781675U CN 205791570 U CN205791570 U CN 205791570U
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China
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photovoltaic
grid
electric energy
electrical
type micro
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CN201620781675.9U
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Chinese (zh)
Inventor
田中和
项裕桥
王建新
阎燕
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Ningbo Zhongke Energy Technology Co Ltd
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Ningbo Zhongke Energy Technology Co Ltd
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Priority to CN201620781675.9U priority Critical patent/CN205791570U/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

Abstract

This utility model relates to self reliance type micro-grid system, it is characterized in that, including photovoltaic power generation apparatus, photovoltaic controller, electrical storage device and the off-network inverter for the electrical connection of AC load device, photovoltaic controller has the DC current outfan connected for DC load and the alternating current outfan connected for AC load, the electrical energy inputs of the electric energy output end electrical connection photovoltaic controller of photovoltaic power generation apparatus, the electrical energy inputs of the electric energy output end electrical connection electrical storage device of photovoltaic controller, the electric energy output end electrical connection off-network inverter of electrical storage device.This micro-grid system utilizes the power generation characteristics of photovoltaic power generation apparatus, the electric energy of generation is stored in electrical storage device after photovoltaic controller transformation, and through off-network inverter, direct current energy is changed into alternating current, meet the load electricity consumption needs without electrical network area, achieve Independent Power Generation, decrease environmental pollution.

Description

Self reliance type micro-grid system
Technical field
This utility model relates to field of photovoltaic power generation, particularly relates to a kind of self reliance type micro-grid system.
Background technology
Now boats and ships, isolated island etc. are mainly electromotor and lead-acid accumulator without the power supply on electrical network area, exist energy consumption greatly, Pollute environment, lead-acid accumulator needs profit, waste gas and the noise of discharge in the problems, and power generation process such as frequent maintaining The water body caused and air, noise pollution problem are the most serious, make the green power generation research of electric energy have more realistic meaning.
Microgrid based on the regenerative resource such as solar energy, wind energy is increasingly becoming the focus of research, and solar energy recently Volt has obtained more sufficiently applying.At boats and ships, isolated island etc. without, in the application scenarios in electrical network area, how utilizing Photovoltaic technology meets the load supplying needs without electrical network area, becomes the another technical need of field of photovoltaic power generation.
Utility model content
Technical problem to be solved in the utility model is to provide one to be capable of independent sending out for above-mentioned prior art Electricity, reduce environmental pollution, adapt to without the self reliance type micro-grid system of electrical network area electricity consumption needs.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: self reliance type micro-grid system, its feature exists In, including photovoltaic power generation apparatus, photovoltaic controller, electrical storage device and the off-network inverter for the electrical connection of AC load device, Photovoltaic controller has the DC current outfan connected for DC load and the alternating current output connected for AC load End, the electrical energy inputs of the electric energy output end electrical connection photovoltaic controller of photovoltaic power generation apparatus, the electric energy output of photovoltaic controller The electrical energy inputs of end electrical connection electrical storage device, the electric energy output end electrical connection off-network inverter of electrical storage device.
Further, described photovoltaic power generation apparatus uses and is at least connected, by two photovoltaic cells, the photovoltaic cell battle array formed Row.Wherein, the operating power of described each photovoltaic cell is 200W.Further, in order to avoid vile weather is to photovoltaic cell battle array The adverse effect of row and destruction, and receive solar energy to greatest extent, as improvement, photovoltaic battery array may be equipped with arranging Safety glass protection board and the tracking support that sun direct projection direction carries out rotating can be followed the tracks of.
It addition, for the service life extending electrical storage device, fully ensure that safety and environmental protection when electrical storage device works, as Improving, described electrical storage device uses the lead carbon battery accumulator battery at least formed by two lead carbon batteries series connection.Such as, described lead Carbon battery accumulator battery is that the lead carbon battery of 24 FPC series is in series, and each lead carbon battery uses the lead carbon electricity of 2V/500Ah Pond;The output voltage of the electric energy output end of described photovoltaic controller is 48V.
In order to adapt to the voltage needs during work of domestic existing each AC load, the electric energy output end of described off-network inverter The alternating voltage of output is 220V.
In order to the offer electric energy of more green, environmental protection is to electrical storage device energy storage, as improvement, described self reliance type microgrid system System also includes wind power generation plant, the electrical energy inputs of the electric energy output end electrical connection photovoltaic controller of wind power generation plant.
So that photovoltaic generation station arrangement can adapt to the change that sunlight is strong and weak, to produce electric energy more efficiently, make For improving, described self reliance type micro-grid system also includes and the solar tracking apparatus of photovoltaic power generation apparatus communication connection.
So that micro-grid system provides more stable voltage, as improvement, described self reliance type micro-grid system also wraps Include manostat, the electric energy output end of one end electrical connection photovoltaic power generation apparatus of manostat, the other end electrical connection photovoltaic of manostat The electrical energy inputs of controller.
Compared with prior art, the utility model has the advantage of: this micro-grid system utilizes the generating of photovoltaic power generation apparatus Characteristic, is converted the solar into electric energy by photovoltaic power generation apparatus, and stores after photovoltaic controller is by the electric energy transformation of generation and arrive In electrical storage device, then meet the load electricity consumption needs without electrical network area through off-network inverter, it is achieved that Independent Power Generation, decrease Environmental pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of self reliance type micro-grid system in this utility model embodiment;
Fig. 2 is the schematic diagram during application of self reliance type micro-grid system shown in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As depicted in figs. 1 and 2, the self reliance type micro-grid system in the present embodiment, control including photovoltaic power generation apparatus 1, photovoltaic Device 2, electrical storage device 3 and the off-network inverter 4 for the electrical connection of AC load device, photovoltaic controller 2 has for DC load The DC current outfan connected and the alternating current outfan connected for AC load, the electric energy of photovoltaic power generation apparatus 1 is defeated Go out the electrical energy inputs of end electrical connection photovoltaic controller 2, the electricity of the electric energy output end electrical connection electrical storage device 3 of photovoltaic controller 2 Energy input, the electric energy output end electrical connection off-network inverter 4 of electrical storage device 3.Wherein, photovoltaic power generation apparatus 1 use at least by Two photovoltaic cells connect the photovoltaic battery array formed, and the operating power of each photovoltaic cell is 200W.Off-network inverter 4, energy Enough in the independent isolated island not accessing electrical network, the direct current energy of storage in electrical storage device 3 is transformed into alternating current.Wherein, off-network Inverter 4 belongs to prior art, the most too much repeats.
It addition, in order to avoid vile weather is to the adverse effect of photovoltaic battery array and destruction, and receive to greatest extent Solar energy, as improvement, photovoltaic battery array herein may be equipped with arranging safety glass protection board and can following the tracks of too Sun direct projection direction carries out the tracking support rotated.Follow the tracks of support to be used for photovoltaic battery array is fixed, and make photovoltaic cell have There is certain inclination angle, to follow the tracks of sun direct projection direction, thus ensure that photovoltaic battery array can farthest receive solar energy, Thus produce more electric energy.Certainly, photovoltaic battery array can also arrange lightning arrester, to prevent thunder and lightning to photovoltaic electric The destruction of pond array.
It addition, for the service life extending electrical storage device 3, fully ensure that safety and environmental protection when electrical storage device 3 works, make For improving, the electrical storage device 3 in the present embodiment uses the lead carbon battery accumulator battery at least formed by two lead carbon batteries series connection. Such as, lead carbon battery accumulator battery is that the lead carbon battery of 24 FPC series is in series, and each lead carbon battery uses 2V/500Ah's Lead carbon battery;The output voltage of the electric energy output end of photovoltaic controller 2 is 48V.Wherein, lead carbon battery, as accumulation power supply, is Add material with carbon element by the negative plate at lead-acid battery, significantly improve the service life of lead-acid accumulator, there is more preferable charge and discharge Electrical property, it is possible to the depleted electrolytes solving existing lead-acid accumulator processes difficult and causes problem of environmental pollution.
In order to adapt to the voltage needs during work of domestic existing each AC load, the electric energy output end of off-network inverter 4 is defeated The alternating voltage gone out is 220V.Certainly, as the functions expanding of this micro-grid system, as improvement, at this self reliance type micro-grid system In can also increase combining inverter is set, with will in electrical storage device 3 electric energy of storage grid-connected in the electrical network arranged in the future.
In order to the offer electric energy of more green, environmental protection is to electrical storage device 3 energy storage, as improvement, the independence in the present embodiment Type micro-grid system also includes wind power generation plant 5, the electricity of the electric energy output end electrical connection photovoltaic controller 2 of wind power generation plant 5 Can input.
So that photovoltaic generation station arrangement 1 can adapt to the change that sunlight is strong and weak, to produce electric energy more efficiently, make For improving, self reliance type micro-grid system also includes and the solar tracking apparatus 6 of photovoltaic power generation apparatus 1 communication connection.
So that micro-grid system provides more stable voltage, as improvement, self reliance type micro-grid system also includes voltage stabilizing Device, the electric energy output end of one end electrical connection photovoltaic power generation apparatus 1 of manostat, the other end electrical connection photovoltaic controller of manostat The electrical energy inputs of 2.

Claims (10)

1. self reliance type micro-grid system, it is characterised in that include photovoltaic power generation apparatus, photovoltaic controller, electrical storage device and supply to hand over Current load device electrical connection off-network inverter, photovoltaic controller have for DC load connect DC current outfan and The alternating current outfan connected for AC load, the electric energy of the electric energy output end electrical connection photovoltaic controller of photovoltaic power generation apparatus Input, the electrical energy inputs of the electric energy output end electrical connection electrical storage device of photovoltaic controller, the electric energy output end of electrical storage device Electrical connection off-network inverter.
Self reliance type micro-grid system the most according to claim 1, it is characterised in that described photovoltaic power generation apparatus use at least by Two photovoltaic cells connect the photovoltaic battery array formed.
Self reliance type micro-grid system the most according to claim 2, it is characterised in that the operating power of described each photovoltaic cell is 200W。
Self reliance type micro-grid system the most according to claim 1, it is characterised in that described electrical storage device uses at least by two The lead carbon battery accumulator battery that the series connection of lead carbon battery is formed.
Self reliance type micro-grid system the most according to claim 4, it is characterised in that described lead carbon battery accumulator battery is 24 The lead carbon battery of FPC series is in series, and each lead carbon battery uses the lead carbon battery of 2V/500Ah;The electricity of described photovoltaic controller The output voltage of energy outfan is 48V.
Self reliance type micro-grid system the most according to claim 5, it is characterised in that the electric energy output end of described off-network inverter The alternating voltage of output is 220V.
Self reliance type micro-grid system the most according to any one of claim 1 to 6, it is characterised in that also include wind-power electricity generation Device, the electrical energy inputs of the electric energy output end electrical connection photovoltaic controller of wind power generation plant.
Self reliance type micro-grid system the most according to any one of claim 1 to 6, it is characterised in that also include sending out with photovoltaic The solar tracking apparatus of electric installation communication connection.
Self reliance type micro-grid system the most according to any one of claim 1 to 6, it is characterised in that also include manostat, surely The electric energy output end of one end electrical connection photovoltaic power generation apparatus of depressor, the electric energy of the other end electrical connection photovoltaic controller of manostat Input.
Self reliance type micro-grid system the most according to claim 2, it is characterised in that described photovoltaic battery array is equipped with and arranges There is safety glass protection board and the tracking support that sun direct projection direction carries out rotating can be followed the tracks of.
CN201620781675.9U 2016-07-21 2016-07-21 Self reliance type micro-grid system Active CN205791570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620781675.9U CN205791570U (en) 2016-07-21 2016-07-21 Self reliance type micro-grid system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620781675.9U CN205791570U (en) 2016-07-21 2016-07-21 Self reliance type micro-grid system

Publications (1)

Publication Number Publication Date
CN205791570U true CN205791570U (en) 2016-12-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620781675.9U Active CN205791570U (en) 2016-07-21 2016-07-21 Self reliance type micro-grid system

Country Status (1)

Country Link
CN (1) CN205791570U (en)

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