CN104348207A - Interconnected distributed type wind-solar complementary power generation system - Google Patents
Interconnected distributed type wind-solar complementary power generation system Download PDFInfo
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- CN104348207A CN104348207A CN201310340738.8A CN201310340738A CN104348207A CN 104348207 A CN104348207 A CN 104348207A CN 201310340738 A CN201310340738 A CN 201310340738A CN 104348207 A CN104348207 A CN 104348207A
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- 238000010248 power generation Methods 0.000 title abstract description 10
- 230000000295 complement effect Effects 0.000 title abstract description 3
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
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- H02J3/383—
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- H02J3/386—
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- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- 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
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- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to an interconnected distributed type wind-solar complementary power generation system. The power generation system comprises a wind driven generator unit, a solar battery matrix, a total controller, a storage battery pack, an inverter, an unloading device and a power supply distribution control switch, wherein the wind driven generator unit, the solar battery matrix, the storage battery pack and the inverter are connected with the total controller; the unloading device is connected with the storage battery pack; one end of the power supply distribution control switch is connected with the inverter; the other end of the power supply distribution control switch is connected with a load; an electric supply grid is directly connected with the power supply distribution control switch or is connected with the storage battery pack through the total controller. Compared with the prior art, continuous power supply can be realized without a large number of storage batteries, so that the investment cost is greatly reduced, and meanwhile, the system can be independently operated without a network and can also be subject to grid-connected operation.
Description
Technical field
The present invention relates to a kind of wind and solar hybrid generating system, especially relate to the distributed wind and solar hybrid generating system of a kind of interconnection type.
Background technology
Wind energy, solar energy are reproducible clear energy sources, not consumption of natural resource, free from environmental pollution; It is one of best alternative energy source of the fossil class energy moving towards exhaustion fast; Abundant exploitation regenerative resource is the important channel of protection of the environment and the Implement of sustainable development strategy.
Enrich and the area of existing electrical network at wind energy, solar energy resources at present; there are many units; although grid power used is sufficient; and have emergency generator system; but in order to development green energy resource energetically; for protection of the environment and social sustainable development contribute; wish to explore and utilize local wind energy and solar power generation; solve unit part electricity consumption; the exploitation of wind energy, solar energy can be participated in; start the demonstration that non-electricity enterprise development utilizes wind-powered electricity generation, solar power generation, develop new way more widely for Wind Power Generation Industry splits.
The wind generator system of China is classified according to the relation with electrical network, is divided into grid type and from net type two class.China is grid type and has formulated different technical standards respectively from net type wind turbine equipment.Such as from the execution of net type wind turbine generator is GB/T19068.1-2003 " from net type wind turbine generator Part I: technical conditions ".And the execution of grid-connected wind power unit is GB/T79960.1-2005 " wind turbine generator part 1: general technical specifications ".
China be distinguish grid type with from the different technical standard of net type wind turbine equipment, GB adopts different naming methods, all be preced with " from net type " attribute when all technical standards from net type wind power plant are named, and all omit attribute when all technical standards of grid-connected wind power equipment are named.The such as naming method of above-mentioned two technical standards.
From net type wind generator system
The electrical network of wind powered generator system and electric power system is separated from each other and independent operating, electric energy that wind-driven generator produces is as the power autonomous use of user, this wind generator system be referred to as independent operating from net type wind generator system, the blower fan of use is from net type wind turbine generator.
The electric energy that at present general middle low power wind turbine generator produces is connected to the grid not by converting equipment, but the generating of a composition independent operating and power supply network system one are from wind-force, the wind and solar hybrid generating system of net type independent operating.Wrap wind generator system, wind and solar hybrid generating system, wind power generation water lifting system, wind power generation water-carrying and the generating dual-purpose system etc. that expand independent operating ...
Independent operating from net type wind-force, wind and solar hybrid generating system based in, low power wind-driven generator, construction family, non-Electric region with or village electricity generation system, be the auxiliary power supply of the user of non-Electric region.Comprise some just to rise from net type wind and light complementary road lamp etc. in urban market and international market.
China is the first big country of medium and small blower fan, and no matter the installed capacity of kind, production quantity, quality and hundreds of thousands platform, is the first in the world.
The wind turbine generator from the middle low power in net type wind-force, wind and solar hybrid generating system of independent operating can be one, also can be the wind turbine generator of the multiple stage middle low power that quantity does not wait.
Grid-connected wind power machine system
The electric energy that wind turbine generator produces is connected to the grid by converting equipment, and the part becoming electric power system is referred to as the Shunt-connected Wind Power Generation System.
The wind power station having the wind power generator incorporated in power network of more than two is called wind power plant, is called for short wind energy turbine set (or wind field).Wind power plant can be divided into again centralized and distributed two kinds of modes.
Centralized wind energy turbine set:
Centralizedly refer in the extraordinary area of wind energy resources, concentrate and build multiple stage Large-scale Wind Turbines, be jointly connected to the grid, and electric power is flowed to bulk power grid, be one of power supply of grid power, be referred to as wind energy turbine set, adopt grid-connected wind power unit generation.
Distributed wind energy turbine set:
Distributed wind energy turbine set is then at wind-resources comparatively horn of plenty, but the area of existing electric power network.Wind energy turbine set is built at user side, can to grid transmission, also can to the bi-directional power of customer power supply, be referred to as distributed wind-powered electricity generation power supply, both the wind energy turbine set of multiple stage blower fan centralized power generation had been distinguished with this kind of wind energy turbine set, also be different from the power autonomous mode of simple independent operating, the impact to electrical network can be reduced.
Distributed wind energy turbine set maximizes with resource, environmental benefit the system determining mode and capacity, by user's various energy resources demand, and status of resource allocation carries out system combination optimization, the novel energy system of employing demand reply formula design and modular arrangements, scale is relatively little, flexible configuration, very universal in Europe.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of interconnection type distributed wind and solar hybrid generating system, this system does not need to use a large amount of storage battery to realize uninterrupted power supply, greatly reduce cost of investment, from net independent operating, also can be able to be incorporated into the power networks simultaneously.
Object of the present invention can be achieved through the following technical solutions:
The distributed wind and solar hybrid generating system of a kind of interconnection type, comprise wind turbine generator, solar cell array, master controller, batteries, inverter, drain charge device and power supply and distribute control switch, described wind turbine generator, solar cell array, batteries are all connected with master controller with inverter, described drain charge device connects batteries, one end that described power supply distributes control switch connects inverter, the other end connects load, and utility grid is directly connected power supply and distributes control switch or be connected with batteries by master controller;
When wind turbine generator and solar cell array normally work, by master controller to battery charging, when the current voltage value of batteries is higher than predeterminated voltage, wind turbine generator and solar cell array then distribute control switch directly to load supplying by master controller via inverter, power supply;
When wind turbine generator and solar cell array cannot normally work, and the current voltage value of batteries is lower than predeterminated voltage, then by utility grid to battery charging, simultaneously batteries is distributed control switch via inverter, power supply and is powered to the load;
When described wind and solar hybrid generating system fault, utility grid is directly distributed control switch by power supply and is powered to the load.
Described wind turbine generator is the permanent magnet direct-drive wind-force generating unit of 50kW ~ 1.5MW.
Described batteries adopts the 3000Ah storage battery of multiple 2V, the batteries of 380V in series.
Described drain charge device is the drain charge device of resistor-type 300kW.
This wind and solar hybrid generating system also comprises cutting-in control circuit, is incorporated into the power networks by this cutting-in control circuit realiration and utility grid.
Compared with prior art, the present invention has the following advantages:
1, native system is green energy resource.
When having wind and have sunlight, native system provides wind-powered electricity generation and photoelectricity, belongs to the green energy resource that clean renewable resources namely it has often been said.
2, can uninterrupted power supply.
Because grid power is as stand-by power source, when battery tension is lower than preset, electrical network is to charge in batteries, until when charge in batteries reaches high voltage preset value, electrical network is closed.So no matter when, system inverter can to load power transmission.Become online uninterruption power source.Therefore native system is without the need to using a large amount of accumulators store electric energy, in order to calm or cloudy time use.Storage battery just can be joined seldom, has greatly saved initial investment, also extends the life-span of storage battery simultaneously.
3, native system is independently power autonomous, from network operation, can examine and approve without the need to obtaining.
The wind and solar hybrid generating system of native system is only powered to user load, is independently power autonomous.Be not the branch road of electrical network, so be different from grid connected wind power system.Grid connected wind power system is first connected to the grid by the electric power that system sends, then be sent to user by electrical network.It is a branch of network system.
Although native system and Power System Interconnection, electrical network is just not enough at wind-force, when light intensity is inadequate, just in back-up source mode for load supplying.
Can network when 4, needing, be incorporated into the power networks with public electric wire net
If user can obtain grid-connected license simultaneously, native system can install cutting-in control circuit additional, grid-connected with electrical network, realizes bidirectional power supply ability.Or directly by system from net type inverter, be designed to two-way grid type inverter, also can realize bidirectional power supply ability.
Native system utilizes existing power transmission and transformation line for mains supply nearby, not only can reduce investment, and can greatly reduce the construction period, greatly increases economic efficiency.
5, power bracket is extremely wide
The non-constant width of native system power bracket, can need to carry out personalized design according to user, can choose flexibly between 1000W-3MW.The wind and solar hybrid generating system of native system is single power cell with 50kW ~ 1.5MW permanent magnet direct-driven blower fan group and solar cell array, combined by multiple power cell combined modularization, after each power cell DC parallel, regulate and control through intelligent controller, by same combining inverter, electric energy is connected to the grid again, forms multiple power wind and solar hybrid generating system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, the distributed wind and solar hybrid generating system of a kind of interconnection type, comprises wind turbine generator 1, solar cell array 2, master controller 3, batteries 4, inverter 5, drain charge device 6 and power supply and distributes control switch 7.Wind turbine generator 1, solar cell array 2, batteries 4 is all connected with master controller 3 with inverter 5, drain charge device 6 connects batteries 4, one end that power supply distributes control switch 7 connects inverter 5, the other end connects load by load power distribution cabinet 8, when wind turbine generator 1 and solar cell array 2 normally work, charged to batteries 4 by master controller 3, when the current voltage value of batteries 4 is higher than predeterminated voltage, wind turbine generator 1 and solar cell array 2 pass through master controller 3 via inverter 5, power supply distributes control switch 7 and powers to the load, concrete load distributes and can be completed by load power distribution cabinet 8.
Utility grid 9 is directly connected power supply and distributes control switch 7 or be connected with batteries 4 by master controller 3, when wind turbine generator 1 and solar cell array 2 cannot normally work, and the current voltage value of batteries 4 is lower than predeterminated voltage, then charged to batteries 4 by utility grid 9, batteries 4 powers to the load via inverter 5, power supply distribution control switch 7 simultaneously.
And when described wind and solar hybrid generating system fault, utility grid 9 directly can be accessed, directly distribute control switch 7 by power supply by utility grid 9 and power to the load.
The key technical indexes of the present invention is:
1) power 300KW.
2) system nominal voltage: 380V.
3) Systematical control:
System use Programmable Logic Controller (PLC) can to system cloud gray model, rectifier rectification, maximal power tracing, carry out intelligent unified management and control.
4) to the requirement of environment
Outdoor temperature :-25 DEG C ~+45 DEG C; Indoor temperature: 0 DEG C ~+40 DEG C; Relative air humidity is no more than 90% (25 DEG C ± 5 DEG C); Height above sea level is no more than 2000m.
5) to the requirement of wind energy, solar energy resources
A) local annual mean wind speed is greater than 4.5m/s system and can uses district;
B) local annual mean wind speed (V): V >=5m/s is for well to use district;
C) V >=5.5m/s is extraordinary territory of use.
The parameter of the relevant device adopted is as follows:
1, wind turbine generator
Manufacturing enterprise: Wande Wind Power Generation Co., Ltd., Shanghai
Model: FD13-50/12 type
Rotor diameter: 13m
Blade quantity: 3
Blade material: reel glass fibre epoxy applies
Mode of speed regulation: stall
Rated wind speed: 12m/s
Incision wind speed: 3.5m/s
Work wind speed range: 3m/s-25m/s
Rated power: 50kW
Output voltage: AC380V
Generator pattern: three-phase rare-earth permanent-magnet synchronous generator
2, master controller
Adopt FK-300 type 300kW system main-control cabinet, various electronic equipment and electronic devices and components are arranged on the control panel in a defensive cabinet shape structure, so be called control cubicle.Native system master controller has rectification, charging, electric discharge, the switching controls etc. of protecting and carrying out civil power and wind-solar power supply to power.All functions are implemented by Programmable Logic Controller (PLC) sequencing automation.
Manufacturing enterprise: Wande Wind Power Generation Co., Ltd., Shanghai
Model: FK-300 type
Input voltage: AC220V-450V;
Input power: maximum power 350kW;
Power output: 300kW
Output voltage: DC320V-620V;
4, from net inverter (matured product of professional production factory can be bought)
Input voltage: DC180V-450V;
Power output: 300kW
Output voltage: AC380V;
5, power supply distributes control switch
Under the instruction of master controller, realize the orderly switching of electrical network and wind and solar hybrid generating system.
Manufacturing enterprise: Wande Wind Power Generation Co., Ltd., Shanghai
6, solar cell array
The photovoltaic electricity generating array that output voltage is 380V is formed by the 150kW solar module of outsourcing.
7, storage battery
Adopt the 3000Ah storage battery of monomer 2V, be connected into 380V battery pack.
8, drain charge device
Resistor-type 300kw drain charge device.
Claims (5)
1. the distributed wind and solar hybrid generating system of interconnection type, it is characterized in that, comprise wind turbine generator, solar cell array, master controller, batteries, inverter, drain charge device and power supply distribute control switch, described wind turbine generator, solar cell array, batteries is all connected with master controller with inverter, described drain charge device connects batteries, one end that described power supply distributes control switch connects inverter, the other end connects load, utility grid is directly connected power supply and distributes control switch or be connected with batteries by master controller,
When wind turbine generator and solar cell array normally work, by master controller to battery charging, when the current voltage value of batteries is higher than predeterminated voltage, wind turbine generator and solar cell array then distribute control switch directly to load supplying by master controller via inverter, power supply;
When wind turbine generator and solar cell array cannot normally work, and the current voltage value of batteries is lower than predeterminated voltage, then by utility grid to battery charging, simultaneously batteries is distributed control switch via inverter, power supply and is powered to the load;
When described wind and solar hybrid generating system fault, utility grid is directly distributed control switch by power supply and is powered to the load.
2. the distributed wind and solar hybrid generating system of a kind of interconnection type according to claim 1, is characterized in that, described wind turbine generator is the permanent magnet direct-drive wind-force generating unit of 50kW ~ 1.5MW.
3. the distributed wind and solar hybrid generating system of a kind of interconnection type according to claim 1, is characterized in that, described batteries adopts the 3000Ah storage battery of multiple 2V, the batteries of 380V in series.
4. the distributed wind and solar hybrid generating system of a kind of interconnection type according to claim 1, is characterized in that, described drain charge device is the drain charge device of resistor-type 300kW.
5. the distributed wind and solar hybrid generating system of a kind of interconnection type according to claim 1, it is characterized in that, this wind and solar hybrid generating system also comprises cutting-in control circuit, is incorporated into the power networks by this cutting-in control circuit realiration and utility grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310340738.8A CN104348207A (en) | 2013-08-06 | 2013-08-06 | Interconnected distributed type wind-solar complementary power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310340738.8A CN104348207A (en) | 2013-08-06 | 2013-08-06 | Interconnected distributed type wind-solar complementary power generation system |
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| CN104348207A true CN104348207A (en) | 2015-02-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682366A (en) * | 2015-02-16 | 2015-06-03 | 中节能风力发电(张北）运维有限公司 | Protecting method of master controller of air blower |
| CN104909324A (en) * | 2015-05-26 | 2015-09-16 | 江苏本安环保科技有限公司 | Wind and light complementary type obstructing explosion-proof skid-mounted oil adding device |
| CN105375617A (en) * | 2015-12-23 | 2016-03-02 | 上海电机学院 | Wind-solar complementary uninterruptible power supply charging at night and operation method thereof |
| CN106681445A (en) * | 2015-11-09 | 2017-05-17 | 宋鸿斌 | Computer capable of using exercising to generate power |
-
2013
- 2013-08-06 CN CN201310340738.8A patent/CN104348207A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682366A (en) * | 2015-02-16 | 2015-06-03 | 中节能风力发电(张北）运维有限公司 | Protecting method of master controller of air blower |
| CN104909324A (en) * | 2015-05-26 | 2015-09-16 | 江苏本安环保科技有限公司 | Wind and light complementary type obstructing explosion-proof skid-mounted oil adding device |
| CN104909324B (en) * | 2015-05-26 | 2017-07-28 | 江苏本安环保科技有限公司 | A kind of separating explosion Cproof skid-mounted refueling device of wind-solar complementary type |
| CN106681445A (en) * | 2015-11-09 | 2017-05-17 | 宋鸿斌 | Computer capable of using exercising to generate power |
| CN105375617A (en) * | 2015-12-23 | 2016-03-02 | 上海电机学院 | Wind-solar complementary uninterruptible power supply charging at night and operation method thereof |
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Application publication date: 20150211 |
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