CN106058936A - Hybrid-energy smart grid-connected power supply system - Google Patents
Hybrid-energy smart grid-connected power supply system Download PDFInfo
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- CN106058936A CN106058936A CN201610615888.9A CN201610615888A CN106058936A CN 106058936 A CN106058936 A CN 106058936A CN 201610615888 A CN201610615888 A CN 201610615888A CN 106058936 A CN106058936 A CN 106058936A
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- 230000005611 electricity Effects 0.000 claims abstract description 186
- 238000010248 power generation Methods 0.000 claims abstract description 48
- 239000000446 fuel Substances 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 74
- 230000005622 photoelectricity Effects 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 24
- 230000010354 integration Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 239000002828 fuel tank Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000011049 filling Methods 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 9
- 241000196324 Embryophyta Species 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 230000007812 deficiency Effects 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 10
- 239000003921 oil Substances 0.000 description 6
- 210000000352 storage cell Anatomy 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- H02J3/382—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
-
- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A hybrid-energy smart grid-connected power supply system comprises a photovoltaic power generation module, a wind power generation module, a battery pack module, a mains supply access module and a generator module which are connected with electricity facilities, and a control module. The photovoltaic power generation module is further connected with the mains supply access module, the battery pack module and the control module. The wind power generation module is further connected with the mains supply access module, the battery pack module and the control module. The battery pack module is further connected with the control module. The control module is further connected with the generator module. The electricity facilities are powered by a hybrid energy system including photovoltaic energy, wind, mains supplies, storage batteries and generators. The parameters are monitored intelligently to realize intelligent switching between power supplies so as to reduce energy consumption, and fuel charging, fuel consumption and production of the battery pack and generator modules are monitored. Moreover, photovoltaic panels are flushed by a self-cleaning module to improve the efficiency of photoelectric conversion. The system is suitable for popularization and application, and especially suitable for application in unattended power places in remote mountainous areas.
Description
Technical field
The present invention relates to new forms of energy and traditional energy mixed power supply system, particularly relate to a kind of energy mix intelligent grid connection and supply
Electricity system.
Background technology
Photovoltaic generation and wind-power electricity generation are the most gradually popularized as the reproducible new forms of energy cleaned.Some are used
The power utilization environment that electricity demand is big and power quality requirements is stricter, if can send out traditional energy, such as civil power, accumulator, internal combustion
Motors etc., and new forms of energy, as photovoltaic, wind-force etc. do energy mixing, can improve resource utilization.But how to carry out management and control to reach
To the scheme that resource is optimum, it is to need to improve, and can the consumption that maximize minimizing civil power and generating set be crucial, if
The power consumption of electromotor can also be monitored with production capacity, and the efficiency of photovoltaic panel can be improved further, this energy will be more favorable for
Systematic difference and popularization.
Summary of the invention
The present invention provides a kind of energy mix intelligent grid connection electric power system, not only realizes utilization and includes photovoltaic, wind-force, city
The energy mix system of electricity, accumulator and electromotor is electricity consumption facility power, realizes power supply source by each parameter of intellectual monitoring
Intelligence switching is to reduce energy resource consumption, and is monitored accumulator battery and the oiling of generator module, oil consumption with production capacity, and also
Can be rinsed improving photoelectric transformation efficiency to photovoltaic panel by automatically cleaning module, be suitable for popularization and application, be especially suitable for application
Electricity consumption place in unattended remote mountain areas.
The technical solution used in the present invention is:
A kind of energy mix intelligent grid connection electric power system, it is characterised in that include the photovoltaic generation mould connecting electricity consumption facility respectively
Block, wind power generation module, accumulator battery module, civil power AM access module and generator module, and control module, photovoltaic generation mould
Block is also connected with civil power AM access module, accumulator battery module, control module, and wind power generation module is also connected with civil power AM access module, storage
Battery module, control module, accumulator battery module is also connected with control module, and control module is also connected with generator module, wherein:
Photovoltaic generating module, is used for converting the solar into electric energy, and can grid-connected feeding civil power, or charge to accumulator battery module, or
To electricity consumption facility power；Wind power generation module, for wind energy being converted to electric energy, and can grid-connected feeding civil power, or give accumulator
Group module charging, or give electricity consumption facility power；Accumulator battery module, for storing electric energy and the wind-powered electricity generation conversion electricity of opto-electronic conversion
Can, and can be electricity consumption facility power；Civil power AM access module, can receive the grid-connected electric energy of photovoltaic generation or wind-power electricity generation, and can be straight
Connect as electricity consumption facility power；Generator module, in civil power power-off, and photovoltaic generation and wind-power electricity generation is not enough, accumulator battery
During module remaining capacity also deficiency, for electricity consumption facility power；Control module, is monitored and management and control each supply module, record
The information about power of accumulator battery module, the record volume read-out of generator module, fuel consumption and production capacity information, concrete, control mould
Block is when photovoltaic generating module being detected and wind power generation module generating is the most sufficient, and controlling one is electricity consumption facility power, and allows
Another charges for accumulator battery module, stops charging after filling by grid-connected for electric energy feeding civil power AM access module；Light detected
When volt electricity generation module or wind power generation module generating only have a generating abundance, control generating abundance person and supply for electricity consumption facility
Electricity, and allow the inadequate person of generating charge for accumulator battery module, stop charging after filling and grid-connected for electric energy feeding city is electrically accessed
Module；Detect photovoltaic generating module and wind power generation module generating the most inadequate time, control civil power AM access module for use
Electricity facility power, allows photovoltaic generating module and wind power generation module be the charging of accumulator battery module, stops charging after filling
The electric energy grid-connected feeding civil power AM access module that both are produced；Detecting what photovoltaic generating module and wind power generation module generated electricity
The most inadequate, and during civil power AM access module power-off, first the electricity of detection accumulator battery module is the most sufficient, if sufficient, controls to store
Battery module is electricity consumption facility power, until accumulator battery module electricity remnants are not enough, changing work is electricity consumption by generator module
Facility power.
Further, described electricity consumption facility includes direct current electricity consumption facility and exchanges electricity consumption facility.
Further, described photovoltaic generating module includes photovoltaic panel assembly, photoelectric energy handover module, photoelectricity parallel network reverse mould
Block, DC-DC and inverter, photovoltaic panel assembly connects photoelectric energy handover module and control module, and photoelectric energy handover module divides
Not Lian Jie photoelectricity Inverter Unit, accumulator battery module, DC-DC and control module, photoelectricity Inverter Unit connects civil power
AM access module, DC-DC connects direct-flow electricity utilization apparatus and inverter, and inverter connects AC electric equipment, wherein, photovoltaic panel assembly
For changing solar energy into electric energy, photoelectric energy handover module is for carrying out selectivity switching to the electric energy of photovoltaic panel assembly conveying
Output, photoelectricity parallel network reverse mould for convert electrical energy into can be grid-connected electric energy send into civil power AM access module.
Further, described wind power generation module includes wind-driven generator, wind-powered electricity generation energy switching module, wind-electricity integration inversion mould
Block, DC-DC and inverter, wind-driven generator connects wind-powered electricity generation energy switching module and control module, and wind-powered electricity generation energy switching module is divided
Not Lian Jie light wind-electricity integration inversion module, accumulator battery module, DC-DC and control module, wind-electricity integration inversion module connects city
Being electrically accessed module, DC-DC connects direct-flow electricity utilization apparatus and inverter, and inverter connects AC electric equipment, wherein, wind-power electricity generation
Machine is used for changing wind into electric energy, and wind-powered electricity generation energy switching module is defeated for the electric energy of wind-driven generator conveying is carried out selectivity switching
Go out, wind-electricity integration inversion mould for convert electrical energy into can be grid-connected electric energy send into civil power AM access module.
Further, described accumulator battery module includes photoelectricity charging module, photoelectricity accumulator battery, wind-powered electricity generation charging module, wind
Electrical storage cell group, set of cells Monitoring and Controlling module, DC-DC and inverter, the input of photoelectricity charging module connects photovoltaic generation
Module, outfan connects photoelectricity accumulator battery, and the input of wind-powered electricity generation charging module connects wind power generation module, and outfan connects wind
Electrical storage cell group, set of cells Monitoring and Controlling module connects photoelectricity accumulator battery, wind-powered electricity generation accumulator battery and control module, photoelectricity electric power storage
Pond group and wind-powered electricity generation accumulator battery are also connected with DC-DC, DC-DC and connect direct-flow electricity utilization apparatus and inverter, and inverter connects exchange and uses
Electricity equipment.
Further, described civil power AM access module includes anti-isolated island device, conducting switch and AC-DC, and civil power is by anti-isolated island device
Connecting conducting switch, conducting switch connects AC-DC and AC electric equipment, and AC-DC connects direct-flow electricity utilization apparatus, and control module is even
Connecing civil power and conducting switch, anti-isolated island device is also connected with photovoltaic generating module and wind power generation module.
Further, described generator module includes machine room fuel tank, fuel electric generator, DC-DC and inverter, and machine room fuel tank leads to
Piping connects oiling pipeline interface and fuel electric generator, and fuel electric generator connects DC-DC, DC-DC and connects direct-flow electricity utilization apparatus
And inverter, inverter connects AC electric equipment, and the pipeline between machine room fuel tank and oiling pipeline interface is provided with first-class
Amount detection meter, for detecting the volume read-out information of generator module, first flow detection meter link control module, control module is also
Connect fuel electric generator and the outfan of fuel electric generator.
Further, described generator module also includes second flow detection meter, for detecting the oil mass of fuel electric generator
Consumption information, is located on the pipeline between machine room fuel tank and fuel electric generator, and link control module.
Further, described control module includes civil power parameter detection module, photovoltaic generation parameter detection module, wind-power electricity generation
Parameter detection module, central processing controller and output parameter detection module, civil power parameter detection module, photovoltaic generation parameter are examined
Survey module, wind-power electricity generation parameter detecting mould and output parameter detection module and be all connected with central processing controller, city's electrical parameters detection
Module is also connected with civil power AM access module, and photovoltaic generation parameter detection module is also connected with photovoltaic generating module, and wind-power electricity generation parameter is examined
Surveying module and be also connected with wind power generation module, output parameter detection module is also connected with generator module, and central processing controller also connects
Connect accumulator battery module, photovoltaic generating module, wind power generation module, civil power AM access module and generating and module.Further,
Described control module also includes radio receiving transmitting module, and radio receiving transmitting module connects central processing controller, and radio receiving transmitting module is also
Remote terminal is connected by wireless communication mode.
Further, described photovoltaic panel assembly be arranged over multiple shower nozzle, shower nozzle is positioned on pipeline, pipeline) connect from punching
Mold cleaning block, described includes refrigeration plant, water tank, liquid level detector, water pump and from flushing controller from wash module, and refrigeration sets
Standby condensation end connects water tank by pipeline, and liquid level detector is positioned at water tank, and water tank connects water pump, water by pipeline
Pump connects the pipeline having the top reaching photovoltaic panel assembly, and refrigeration plant, liquid level detector, water pump are all connected with from rinsing control
Device, connects from flushing controller and has power supply.
The invention has the beneficial effects as follows:
1, the energy of the energy of photovoltaic generation, the energy of wind-power electricity generation, civil power and accumulator battery, generating set is mixed into
The switching power supply of electrical equipment intelligence, by this system structure design and control, it is achieved that maximally utilizing of new forms of energy, maximum
Degree reduces civil power and the consumption of electromotor, it is achieved that resource maximally utilizes；
2, when photovoltaic generation abundance and wind-power electricity generation abundance, electricity consumption facility can not only be met, but also can be by unnecessary
Accumulator battery module is preferentially charged by electric energy, also by Inverter Unit, electric energy can be sent into civil power after being full of；
3, the most inadequate of photovoltaic generating module and wind power generation module generating is being detected, and during civil power AM access module power-off,
First the electricity of detection accumulator battery module is the most sufficient, if sufficient, controlling accumulator battery module is electricity consumption facility power, until storing
Battery module electricity remnants are not enough, then to change work be electricity consumption facility power by generator module, greatly improve energy utilization rate,
Optimize the working time of electromotor, reduce energy consumption；
4, generator module is provided with the first flow detection meter of detection machine room fuel tank volume read-out information, it is simple to manager knows often
The secondary actual volume read-out for generator module, and it is provided with the second flow detection meter of detection electromotor fuel consumption, it is simple to pipe
Reason person knows after a generator operation running status, the actual oil mass flowing to electromotor from machine room fuel tank, simultaneously also by
The production capacity information of output parameter detection module detection electromotor, it is simple to manager knows in each run state, and electromotor is actual
Generated energy, and synthesis fuel-filling amount, fuel consumption, generated energy information, it is to be understood that generator module actual energy consumes, and knows oiling
Whether amount has a tremendous difference with generated energy with consumption, fuel consumption, if there is the biggest discrepancy, then there may be leakage of oil or draining etc.
Other problems, if it is little to come in and go out, it is possible to know the proportionate relationship that energy expenditure produces with energy；
5, by wireless sending module and remote terminal, photovoltaic generation, wind-power electricity generation, civil power can be obtained in real time at remote terminal
Situation, and the information about power of accumulator battery, and the volume read-out information of engine block, the working time, fuel consumption information, send out
Power consumption information, beneficially management personnel carry out intelligent remote analysis；
6, photovoltaic panel assembly is furnished with Self-cleaning system, and the condensation end of refrigeration plant collects the steam in air, is converted to liquid and deposits
Storage, at water tank, when liquid level reaches to a certain degree, pumps effect by water pump, sprays from shower nozzle through pipeline, to photovoltaic panel group
Part is rinsed；When liquid level drops to a certain degree, stop pumping, in time again collecting enough water, reopen, so follow
Ring, it is achieved from rinsing, the dust etc. of photovoltaic panel assembly surface can be removed significantly, improve photovoltaic efficiency；
7, it is suitable for popularization and application, is particularly suitable for application to the electricity consumption place of unattended remote mountain areas.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of photovoltaic generating module of the present invention.
Fig. 3 is the structural representation of wind power generation module of the present invention.
Fig. 4 is the structural representation of civil power AM access module of the present invention.
Fig. 5 is the structural representation of accumulator battery module of the present invention.
Fig. 6 is the structural representation of generator module of the present invention.
Fig. 7 is the structural representation of control module of the present invention.
Fig. 8 is the present invention structural representation from wash module.
Detailed description of the invention
As shown in accompanying drawing 1 ~ 8, a kind of energy mix intelligent grid connection electric power system, including the photovoltaic connecting electricity consumption facility respectively
Electricity generation module, wind power generation module, accumulator battery module, civil power AM access module and generator module, and control module, photovoltaic
Electricity generation module is also connected with civil power AM access module, accumulator battery module, control module, and wind power generation module is also connected with city and is electrically accessed mould
Block, accumulator battery module, control module, accumulator battery module is also connected with control module, and control module is also connected with generator module,
Wherein: photovoltaic generating module, be used for converting the solar into electric energy, and can grid-connected feeding civil power, or fill to accumulator battery module
Electricity, or give electricity consumption facility power；Wind power generation module, for wind energy being converted to electric energy, and can grid-connected feeding civil power, or give and store
Battery module charges, or gives electricity consumption facility power；Accumulator battery module, for storing electric energy and the wind-powered electricity generation conversion of opto-electronic conversion
Electric energy, and can be electricity consumption facility power；Civil power AM access module, can receive the grid-connected electric energy of photovoltaic generation or wind-power electricity generation, and can
Directly for electricity consumption facility power；Generator module, in civil power power-off, and photovoltaic generation and wind-power electricity generation is not enough, accumulator
During group module remaining capacity also deficiency, for electricity consumption facility power；Control module, is monitored and management and control each supply module, note
The information about power of record accumulator battery module, the record volume read-out of generator module, fuel consumption and production capacity information.
During work, control module, when photovoltaic generating module being detected and wind power generation module generating is the most sufficient, controls it
One be electricity consumption facility power, and allow another be accumulator battery module charging, after filling stop charging by grid-connected for electric energy feeding city
It is electrically accessed module；When only having a generating abundance in photovoltaic generating module or wind power generation module generating being detected, control to send out
Electricity abundance person is electricity consumption facility power, and allows the inadequate person of generating charge for accumulator battery module, and stopping charging after filling will
Electric energy grid-connected feeding civil power AM access module；Detect photovoltaic generating module and wind power generation module generating the most inadequate time,
Controlling civil power AM access module is electricity consumption facility power, allows photovoltaic generating module and wind power generation module be accumulator battery module and fills
Electricity, stops the electric energy grid-connected feeding civil power AM access module that both are produced by charging after filling；Photovoltaic generating module detected
The most inadequate with what wind power generation module generated electricity, and during civil power AM access module power-off, first the electricity of detection accumulator battery module is
No abundance, if sufficient, controlling accumulator battery module is electricity consumption facility power, until accumulator battery module electricity remnants are not enough, changes
Making by generator module is electricity consumption facility power.
Concrete, described electricity consumption facility includes direct current electricity consumption facility and exchanges electricity consumption facility.Described control module includes city
Electrical parameters detection module, photovoltaic generation parameter detection module, wind-power electricity generation parameter detection module, central processing controller and output
Parameter detection module, civil power parameter detection module, photovoltaic generation parameter detection module, wind-power electricity generation parameter detecting mould and output ginseng
Number detection module is all connected with central processing controller, and civil power parameter detection module is also connected with civil power AM access module, and photovoltaic generation is joined
Number detection module is also connected with photovoltaic generating module, and wind-power electricity generation parameter detection module is also connected with wind power generation module, output parameter
Detection module is also connected with generator module, and central processing controller is also connected with accumulator battery module, photovoltaic generating module, wind-force are sent out
Electricity module, civil power AM access module and generating and module.Further, described control module also includes radio receiving transmitting module, nothing
Line transceiver module connects central processing controller, and radio receiving transmitting module connects remote terminal also by wireless communication mode.
Concrete, described photovoltaic generating module includes photovoltaic panel assembly, photoelectric energy handover module, photoelectricity parallel network reverse mould
Block, DC-DC and inverter, photovoltaic panel assembly connects photoelectric energy handover module and control module, and photoelectric energy handover module divides
Not Lian Jie photoelectricity Inverter Unit, accumulator battery module, DC-DC and control module, photoelectricity Inverter Unit connects civil power
AM access module, DC-DC connects direct-flow electricity utilization apparatus and inverter, and inverter connects AC electric equipment, wherein, photovoltaic panel assembly
For changing solar energy into electric energy, photoelectric energy handover module is for carrying out selectivity switching to the electric energy of photovoltaic panel assembly conveying
Output, photoelectricity parallel network reverse mould for convert electrical energy into can be grid-connected electric energy send into civil power AM access module.More specifically, photovoltaic
Board component is the photovoltaic generation parameter detection module of link control module, in photoelectric energy handover module link control module
Centre processing controller, photoelectric energy handover module is the photoelectricity charging module connecting accumulator battery module.
Concrete, described wind power generation module includes wind-driven generator, wind-powered electricity generation energy switching module, wind-electricity integration inversion mould
Block, DC-DC and inverter, wind-driven generator connects wind-powered electricity generation energy switching module and control module, and wind-powered electricity generation energy switching module is divided
Not Lian Jie light wind-electricity integration inversion module, accumulator battery module, DC-DC and control module, wind-electricity integration inversion module connects city
Being electrically accessed module, DC-DC connects direct-flow electricity utilization apparatus and inverter, and inverter connects AC electric equipment, wherein, wind-power electricity generation
Machine is used for changing wind into electric energy, and wind-powered electricity generation energy switching module is defeated for the electric energy of wind-driven generator conveying is carried out selectivity switching
Go out, wind-electricity integration inversion mould for convert electrical energy into can be grid-connected electric energy send into civil power AM access module.More specifically, wind-force is sent out
Motor is the wind-power electricity generation parameter detection module of link control module, and wind-powered electricity generation energy switching module is the central authorities of link control module
Processing controller, wind-powered electricity generation energy switching module is to connect the wind-powered electricity generation charging module of accumulator battery module.
Concrete, described accumulator battery module includes photoelectricity charging module, photoelectricity accumulator battery, wind-powered electricity generation charging module, wind
Electrical storage cell group, set of cells Monitoring and Controlling module, DC-DC and inverter, the input of photoelectricity charging module connects photovoltaic generation
Module, outfan connects photoelectricity accumulator battery, and the input of wind-powered electricity generation charging module connects wind power generation module, and outfan connects wind
Electrical storage cell group, set of cells Monitoring and Controlling module connects photoelectricity accumulator battery, wind-powered electricity generation accumulator battery and control module, photoelectricity electric power storage
Pond group and wind-powered electricity generation accumulator battery are also connected with DC-DC, DC-DC and connect direct-flow electricity utilization apparatus and inverter, and inverter connects exchange and uses
Electricity equipment.More specifically, set of cells Monitoring and Controlling module is the central processing controller of link control module, photoelectricity charging module
Being the photoelectric energy handover module connecting photovoltaic generating module, wind-powered electricity generation charging module is the wind-powered electricity generation energy connecting wind power generation module
Handover module.
Concrete, described civil power AM access module includes anti-isolated island device, conducting switch and AC-DC, and civil power is by anti-isolated island device
Connecting conducting switch, conducting switch connects AC-DC and AC electric equipment, and AC-DC connects direct-flow electricity utilization apparatus, and control module is even
Connecing civil power and conducting switch, anti-isolated island device is also connected with photovoltaic generating module and wind power generation module.More particularly, photovoltaic generation
The photoelectricity Inverter Unit of module connects anti-isolated island device, and the wind-electricity integration inversion module of wind power generation module connects anti-isolated island
Device, the civil power parameter detection module of control module connects civil power, and central processing controller connects conducting switch.
Concrete, described generator module includes machine room fuel tank, fuel electric generator, DC-DC and inverter, and machine room fuel tank leads to
Piping connects oiling pipeline interface and fuel electric generator, and fuel electric generator connects DC-DC, DC-DC and connects direct-flow electricity utilization apparatus
And inverter, inverter connects AC electric equipment, and the pipeline between machine room fuel tank and oiling pipeline interface is provided with first-class
Amount detection meter, for detecting the volume read-out information of generator module, first flow detection meter link control module, control module is also
Connect fuel electric generator and the outfan of fuel electric generator.Described generator module also includes second flow detection meter, is used for
The fuel consumption information of detection fuel electric generator, is located on the pipeline between machine room fuel tank and fuel electric generator, and connects control
Module.More particularly, first flow detection meter and second flow detection meter are to connect central processing controller, fuel electric generator
Being to connect central processing controller, the outfan of fuel electric generator is also connected with output parameter detection module.
During work, photovoltaic generation parameter detection module and wind-power electricity generation parameter detection module detect photovoltaic panel assembly and wind
When power generator generating is the most sufficient, it is electricity consumption facility power that central processing controller controls one, concrete, as controlled light electric energy
Amount handover module, output is that direct-flow electricity utilization apparatus sends to unidirectional current to DC-DC, DC-DC, and DC-DC passes through inverter again for exchange
Electrical equipment sends to alternating current, controls wind energy handover module and exports to wind-powered electricity generation charging module, treats set of cells Monitoring and Controlling mould
Block detects when wind-powered electricity generation accumulator battery is full of, and stops charging, controls wind energy handover module and exports to wind-electricity integration inversion mould
Block, can be incorporated to civil power by unnecessary wind-powered electricity generation；Can also control wind power generation module is electricity consumption facility power, and controls photovoltaic generation
Module be accumulator battery module charging and grid-connected enter civil power.
When photovoltaic generation parameter detection module and wind-power electricity generation parameter detection module detect that photovoltaic panel assembly and wind-force are sent out
Electric power generation only have one sufficient time, if detecting, photovoltaic generation is sufficient, wind-power electricity generation not enough, then central processing controller controls
Photoelectric energy handover module, output is that direct-flow electricity utilization apparatus sends to unidirectional current to DC-DC, DC-DC, and DC-DC passes through inverter again
Sending to alternating current for AC electric equipment, central processing controller controls the output of wind energy handover module to wind-powered electricity generation charging mould
Block, when set of cells Monitoring and Controlling module detects that wind-powered electricity generation accumulator battery is full of, stops charging, controls wind energy handover module
Unnecessary wind-powered electricity generation, to wind-electricity integration inversion module, can be incorporated to civil power by output；If photovoltaic generation deficiency, wind-power electricity generation being detected
Abundance, then change and do another set of similar control program.
When photovoltaic generation parameter detection module and wind-power electricity generation parameter detection module detect that photovoltaic panel assembly and wind-force are sent out
When electric power generation is all not enough, central processing controller controls conducting switch and opens, and directly powers for AC electric equipment, and pass through
AC-DC is that direct-flow electricity utilization apparatus is powered, and meanwhile, central processing controller controls photoelectric energy handover module and wind-powered electricity generation capability switch
Module all exports to accumulator battery module, is photoelectricity accumulator battery and wind by photoelectricity charging module and wind-powered electricity generation charging module respectively
Electrical storage cell group is powered, when set of cells Monitoring and Controlling module detects that photoelectricity accumulator battery and wind-powered electricity generation accumulator battery are full of, in
Centre processing controller controls photoelectric energy handover module and wind-powered electricity generation capability switch module exports respectively to photoelectricity Inverter Unit
With wind-electricity integration inversion module, photoelectricity and wind-electricity integration is allowed to send into civil power.
When photovoltaic generation parameter detection module and wind-power electricity generation parameter detection module detect that photovoltaic panel assembly and wind-force are sent out
When electric power generation is all not enough, and when civil power parameter detection module detects civil power power-off, set of cells Monitoring and Controlling module detection light
Electrical storage cell group and the electricity of wind-powered electricity generation accumulator battery, if electricity is all sufficient, first controlling one is electricity consumption facility power, treats electricity
Will to the greatest extent time, then control another for electricity consumption facility power, electricity will to the greatest extent time, then control fuel electric generator work, until photoelectricity electric power storage
The electricity of pond group and wind-powered electricity generation accumulator is the most sufficient, or until civil power is sent a telegram here, or until photovoltaic panel assembly and wind-driven generator are sent out
Electricity is sufficient.
In power supply process, photovoltaic generation parameter detection module, wind-power electricity generation parameter detection module, city's electrical parameters detection mould
Block, set of cells Monitoring and Controlling module, output parameter detection module, first flow detection meter, second flow detection meter detection in real time
Parameters, and feed back to central processing controller record, manager can obtain solar electrical energy generation data, wind-power electricity generation data,
Civil power turn-on time, civil power power-off time, battery set charge/discharge information, machine room fuel tank volume read-out information, fuel electric generator fuel oil
Consumption information, fuel electric generator generated energy information etc., it is simple to management analysis.By radio receiving transmitting module, these data are the most permissible
It is sent to remote terminal, it is simple to carry out long-distance intelligent analysis and management.Management duty would know that volume read-out and consumption, fuel consumption with
Whether generated energy has a tremendous difference, if there is the biggest discrepancy, then there may be the other problems such as leakage of oil or draining, if coming in and going out not
Greatly, it is possible to know the proportionate relationship that energy expenditure produces with energy, it is simple to managing power consumption.
Concrete, described photovoltaic panel assembly be arranged over multiple shower nozzle 5, shower nozzle 5 is positioned on pipeline 2, pipeline 2 connect from
Wash module 7, described include refrigeration plant 1, water tank 3, liquid level detector 31, water pump 4 from wash module 7 and certainly rinses control
Device 6, the condensation end 11 of refrigeration plant 1 connects water tank 3 by pipeline 2, and liquid level detector 31 is positioned at water tank 3, water tank 3
Connecting water pump 2 by pipeline 2, water pump 2 connects the pipeline 2 having the top reaching photovoltaic panel assembly, refrigeration plant 1, Level Detection
Device 31, water pump 2 are all connected with, from flushing controller 6, connecting from flushing controller 6 and having power supply.The condensation end 11 of refrigeration plant 1
Collect the steam in air, be converted to liquid and be stored in water tank 3, when liquid level detector 31 detects that liquid level reaches to a certain degree
Time, control water pump 4 from wash module 7 and pump, spray from shower nozzle 5 through pipeline, photovoltaic panel assembly is rinsed；When liquid level declines
Time to a certain extent, stop pumping, in time again collecting enough water, reopen, so circulate, it is achieved from rinsing, can be the biggest
The dust etc. of the removal photovoltaic panel assembly surface of degree, improves photovoltaic efficiency.
Native system not only realize utilizing the energy mix system including photovoltaic, wind-force, civil power, accumulator and electromotor for
Electricity facility power, the intelligence being realized power supply source by each parameter of intellectual monitoring is switched to reduce energy resource consumption, and to accumulator battery
And the oiling of generator module, oil consumption are monitored with production capacity, moreover it is possible to by automatically cleaning module photovoltaic panel is rinsed with
Improve photoelectric transformation efficiency, be suitable for popularization and application, be particularly suitable for application to the electricity consumption place of unattended remote mountain areas.
Claims (10)
1. an energy mix intelligent grid connection electric power system, it is characterised in that include the photovoltaic generation connecting electricity consumption facility respectively
Module, wind power generation module, accumulator battery module, civil power AM access module and generator module, and control module, photovoltaic generation
Module is also connected with civil power AM access module, accumulator battery module, control module, wind power generation module be also connected with civil power AM access module,
Accumulator battery module, control module, accumulator battery module is also connected with control module, and control module is also connected with generator module, its
In:
Photovoltaic generating module, is used for converting the solar into electric energy, and can grid-connected feeding civil power, or fill to accumulator battery module
Electricity, or give electricity consumption facility power；
Wind power generation module, for wind energy being converted to electric energy, and can grid-connected feeding civil power, or charge to accumulator battery module,
Or give electricity consumption facility power；
Accumulator battery module, for storing electric energy and the wind-powered electricity generation converting electrical energy of opto-electronic conversion, and can be electricity consumption facility power；
Civil power AM access module, can receive the grid-connected electric energy of photovoltaic generation or wind-power electricity generation, and can be directly for electricity consumption facility power；
Generator module, is used in civil power power-off, and photovoltaic generation and wind-power electricity generation deficiency, accumulator battery module remaining capacity are also
Time not enough, for electricity consumption facility power；
Control module, is monitored and management and control each supply module, the information about power of record accumulator battery module, records electromotor
The volume read-out of module, fuel consumption and production capacity information, concrete, control module is detecting photovoltaic generating module and wind-power electricity generation mould
When block generating is all sufficient, controlling one is electricity consumption facility power, and to allow another be the charging of accumulator battery module, stops after filling
Charging is by grid-connected for electric energy feeding civil power AM access module；One is only had in photovoltaic generating module or wind power generation module generating being detected
When individual generating is sufficient, controlling generating abundance person is electricity consumption facility power, and allows the inadequate person of generating charge for accumulator battery module,
Stop charging after filling by grid-connected for electric energy feeding civil power AM access module；Photovoltaic generating module and wind power generation module detected
During generating the most inadequate, controlling civil power AM access module is electricity consumption facility power, allows photovoltaic generating module and wind power generation module
It is the charging of accumulator battery module, stops the electric energy grid-connected feeding civil power AM access module that both are produced by charging after filling；?
Detect that photovoltaic generating module and wind power generation module generate electricity the most inadequate, and during civil power AM access module power-off, first detect storage
The electricity of battery module is the most sufficient, if sufficient, controlling accumulator battery module is electricity consumption facility power, until accumulator battery mould
Block electricity remnants are not enough, and changing work is electricity consumption facility power by generator module.
Energy mix intelligent grid connection electric power system the most according to claim 1, it is characterised in that described electricity consumption facility includes
Direct current electricity consumption facility with exchange electricity consumption facility.
Energy mix intelligent grid connection electric power system the most according to claim 2, it is characterised in that described photovoltaic generating module
Including photovoltaic panel assembly, photoelectric energy handover module, photoelectricity Inverter Unit, DC-DC and inverter, photovoltaic panel assembly connects
Photoelectric energy handover module and control module, photoelectric energy handover module connects photoelectricity Inverter Unit, accumulator battery respectively
Module, DC-DC and control module, photoelectricity Inverter Unit connect civil power AM access module, DC-DC connect direct-flow electricity utilization apparatus and
Inverter, inverter connects AC electric equipment, and wherein, photovoltaic panel assembly is used for changing solar energy into electric energy, and photoelectric energy is cut
Die change block for carrying out selectivity switching output to the electric energy of photovoltaic panel assembly conveying, and photoelectricity parallel network reverse mould is for turning electric energy
Be changed to can be grid-connected electric energy send into civil power AM access module.
Energy mix intelligent grid connection electric power system the most according to claim 2, it is characterised in that described wind power generation module
Including wind-driven generator, wind-powered electricity generation energy switching module, wind-electricity integration inversion module, DC-DC and inverter, wind-driven generator connects
Wind-powered electricity generation energy switching module and control module, wind-powered electricity generation energy switching module connects light wind-electricity integration inversion module, accumulator respectively
Group module, DC-DC and control module, wind-electricity integration inversion module connects civil power AM access module, and DC-DC connects direct-flow electricity utilization apparatus
And inverter, inverter connects AC electric equipment, and wherein, wind-driven generator is used for changing wind into electric energy, and wind-powered electricity generation energy switches
Module for carrying out selectivity switching output to the electric energy of wind-driven generator conveying, and wind-electricity integration inversion mould is used for converting electrical energy into
For electric energy feeding civil power AM access module that can be grid-connected.
Energy mix intelligent grid connection electric power system the most according to claim 2, it is characterised in that described accumulator battery module
Including photoelectricity charging module, photoelectricity accumulator battery, wind-powered electricity generation charging module, wind-powered electricity generation accumulator battery, set of cells Monitoring and Controlling module,
DC-DC and inverter, the input of photoelectricity charging module connects photovoltaic generating module, and outfan connects photoelectricity accumulator battery, wind
The input of electricity charging module connects wind power generation module, and outfan connects wind-powered electricity generation accumulator battery, set of cells Monitoring and Controlling module
Connect photoelectricity accumulator battery, wind-powered electricity generation accumulator battery and control module, photoelectricity accumulator battery and wind-powered electricity generation accumulator battery and be also connected with DC-
DC, DC-DC connect direct-flow electricity utilization apparatus and inverter, and inverter connects AC electric equipment.
Energy mix intelligent grid connection electric power system the most according to claim 2, it is characterised in that described civil power AM access module
Including anti-isolated island device, conducting switch and AC-DC, civil power by anti-isolated island device connect conducting switch, conducting switch connect AC-DC and
AC electric equipment, AC-DC connects direct-flow electricity utilization apparatus, and control module connects civil power and conducting switch, and anti-isolated island device is also connected with
Photovoltaic generating module and wind power generation module.
Energy mix intelligent grid connection electric power system the most according to claim 2, it is characterised in that described generator module bag
Including machine room fuel tank, fuel electric generator, DC-DC and inverter, machine room fuel tank connects oiling pipeline interface by pipeline and fuel oil is sent out
Motor, fuel electric generator connects DC-DC, DC-DC and connects direct-flow electricity utilization apparatus and inverter, and inverter connects exchange electricity consumption and sets
Standby, the pipeline between machine room fuel tank and oiling pipeline interface is provided with first flow detection meter, for detecting generator module
Volume read-out information, first flow detection meter link control module, control module is also connected with fuel electric generator and fuel electric generator
Outfan.
Energy mix intelligent grid connection electric power system the most according to claim 7, it is characterised in that described generator module is also
Include second flow detection meter, for detecting the fuel consumption information of fuel electric generator, be located at machine room fuel tank and oil-fired power generating
On pipeline between machine, and link control module.
Energy mix intelligent grid connection electric power system the most according to claim 2, it is characterised in that described control module includes
Civil power parameter detection module, photovoltaic generation parameter detection module, wind-power electricity generation parameter detection module, central processing controller and defeated
Go out parameter detection module, civil power parameter detection module, photovoltaic generation parameter detection module, wind-power electricity generation parameter detecting mould and output
Parameter detection module is all connected with central processing controller, and civil power parameter detection module is also connected with civil power AM access module, photovoltaic generation
Parameter detection module is also connected with photovoltaic generating module, and wind-power electricity generation parameter detection module is also connected with wind power generation module, output ginseng
Number detection module is also connected with generator module, and central processing controller is also connected with accumulator battery module, photovoltaic generating module, wind-force
Electricity generation module, civil power AM access module and generating and module.
Energy mix intelligent grid connection electric power system the most according to claim 3, it is characterised in that described photovoltaic panel assembly
Be arranged over multiple shower nozzle (5), shower nozzle (5) is positioned on pipeline (2), and pipeline (2) connects from wash module (7), described from punching
Mold cleaning block (7) includes refrigeration plant (1), water tank (3), liquid level detector (31), water pump (4) and from flushing controller (6), system
The condensation end (11) of cool equipment (1) connects water tank (3) by pipeline (2), and liquid level detector (31) is positioned at water tank (3),
Water tank (3) connects water pump (2) by pipeline (2), and water pump (2) connects the pipeline (2) having the top reaching photovoltaic panel assembly, system
Cool equipment (1), liquid level detector (31), water pump (2) are all connected with, from flushing controller (6), connecting from flushing controller (6) and having confession
Electricity power supply.
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| CN108631435A (en) * | 2018-06-22 | 2018-10-09 | 河南森源电气股份有限公司 | A kind of generator booting-self controller device and a kind of power supply system |
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Effective date of registration: 20181227 Address after: 610041 No. 360, Wukexi Five Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: SICHUAN DELI JINGYUAN NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 610041 No. 8 Xiaotianxi Street, Wuhou District, Chengdu City, Sichuan Province Patentee before: SICHUAN DONGZHENG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240202 Address after: Room 612-613, 6th Floor, Unit 1, Building 7, No. 477 Wanxing Road, Wuhou District, Chengdu City, Sichuan Province, 610043 Patentee after: Sichuan Dongzheng Electronic Technology Co.,Ltd. Country or region after: China Address before: 610041 No. 360, Wukexi Five Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: SICHUAN DELI JINGYUAN NEW ENERGY TECHNOLOGY CO.,LTD. Country or region before: China |
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