CN102522814A - Wind-solar hybrid distribution type generating set - Google Patents

Wind-solar hybrid distribution type generating set Download PDF

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Publication number
CN102522814A
CN102522814A CN2011104572595A CN201110457259A CN102522814A CN 102522814 A CN102522814 A CN 102522814A CN 2011104572595 A CN2011104572595 A CN 2011104572595A CN 201110457259 A CN201110457259 A CN 201110457259A CN 102522814 A CN102522814 A CN 102522814A
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CN
China
Prior art keywords
wind
power
power generation
load
electric
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CN2011104572595A
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Chinese (zh)
Inventor
郑恩让
李明勇
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陕西科技大学
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Application filed by 陕西科技大学 filed Critical 陕西科技大学
Priority to CN2011104572595A priority Critical patent/CN102522814A/en
Publication of CN102522814A publication Critical patent/CN102522814A/en

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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
    • 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

Abstract

A wind-solar hybrid distribution type generating set comprises a main controller, a generating set and an electricity storage device. The main controller is respectively electrically connected with an electric switch device, the electricity storage device, an inverter and a direct-current load, the generating set is connected with the electricity storage device, the electricity storage device is electrically connected with the inverter and the direct-current load, the inverter is connected with the load by the electric switch device, and the load is further connected with a power grid. The wind-solar hybrid distribution type generating set has the advantages that electric energy can be directly provided for an oil and gas field by the aid of a wind driven generator or a solar power system, the difficult problem of supplying electricity of wind power generation and solar power generation onto the power grid under the condition without wind or sunshine can be directly solved by the aid of electric power provided by the power grid, the problem of 10% energy loss in a transmission process of the electricity of the wind power generation and the solar power generation is solved, and safety of the power grid is guaranteed.

Description

The distributed power generation device that a kind of wind energy and solar energy are complementary

Technical field

The present invention relates to a kind of TRT, be specifically related to the complementary distributed power generation device of a kind of wind energy and solar energy.

Background technology

In recent years, the Application and Development of clean energy resource had caused increasing concern, and wind energy is very rapid as a kind of clean energy resource development, yet wind energy exists discontinuity and unsteadiness, makes the application of wind energy receive certain obstruction; On the other hand, wind power generation receives certain restriction when getting into electrical network, can use " the car multichannel is few " to describe; North Shaanxi in China, petroleum resources, wind energy, solar energy enrich, in the oil-gas mining process; The access of electric energy must be arranged; Because the distribution of oil gas field has dispersiveness, this makes and adopts the cost of grid transmission to increase greatly, and the complementary distributed generation system of employing wind energy and solar energy will be for addressing this problem the scheme that provides new.

Summary of the invention

In order to overcome the shortcoming of above-mentioned prior art, provide a kind of wind energy and solar energy complementary distributed power generation device, adopt the wind power generation and the solar power generation complementary technology of cleaning; Make the power supply and the balance nearby of loading, needing near the oil gas field of electric power, according to the size of electric power; One or more wind turbine generator and solar power system are installed; Wind or have under the situation of the sun is being arranged, adopting wind-driven generator or solar power system, calm and do not have under the situation of the sun directly for oil gas field provides electric energy; The electric power that utilizes electrical network to provide; Can directly overcome the difficult difficult problem of wind power generation and solar power generation online, solve wind power generation and solar power generation about 10% energy loss in transmission course, the safety of electrical network also is protected; In addition; The input of wind turbine generator and solar power system does not need oil gas field enterprise to drop into, by the input of wind power generation and solar power generation equipment manufacturing enterprise; Oil gas field enterprise only need pay the electricity charge by used electric energy; So also reduced business burden, also, also guaranteed the safety of electrical network for wind power generation equipment manufacturing enterprise provides wind field.

To achieve these goals, technical scheme of the present invention is:

The distributed power generation device that a kind of wind energy and solar energy are complementary comprises master controller, TRT and electric storage device, and said main controller is electrically connected power switching apparatus respectively; Electric storage device; Inverter and DC load, said TRT is connected with electric storage device, and said electric storage device is electrically connected inverter and DC load; Said inverter connects load through power switching apparatus, and load also is connected with electrical network;

Said TRT comprises wind turbine generator, the blower fan charge controller that is connected with wind turbine generator, and solar panel, the photovoltaic charge controller that is connected with solar panel is used to accomplish generating work, for load provides electric power;

Said blower fan charge controller, photovoltaic charge controller are used for respectively the unstable power conversions of amplitude that wind turbine generator and solar panel send is the stable electric power of output;

Described electric storage device is used for store power, and the electric power that provides when wind power generation and photovoltaic generation is during greater than the required electric power of load, and electric storage device is responsible for storing excrescent electric power; When the electric power that provides when wind power generation and photovoltaic generation was lower than the required electric power of load, electric storage device discharged store power, and proof load normally moves;

Be provided with Hall element between said solar panel and the photovoltaic charge controller, Hall element also is connected with master controller;

Be provided with the voltage transformer summation current transformer of mutual series connection in the said circuit loop;

Said detection module is made up of voltage transformer, current transformer, Hall element ,Parameters such as the input voltage of responsible detection system, input current, output voltage, output current;

Said master controller adopts TMS320F2812, also is connected with information display module and alarm module;

Described master controller is used for the running status of control device charging and discharging circuit, the whole device of monitoring, takes safeguard measure when improper situation is moved when device is in;

Owing to adopt wind power generation and the solar power generation complementary technology of cleaning, make power supply and the balance nearby of loading, needing near the oil gas field of electric power; According to the size of electric power, one or more wind turbine generator and solar power system are installed, wind is being arranged or having under the situation of the sun; Adopt wind-driven generator or solar power system directly electric energy to be provided for oil gas field; Calm and do not have under the situation of the sun, the electric power that utilizes electrical network to provide can directly overcome the difficult difficult problem of wind power generation and solar power generation online; Solve wind power generation and solar power generation about 10% energy loss in transmission course, the safety of electrical network also is protected.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is an electric power supply structure schematic diagram of the present invention.

Fig. 3 is the photovoltaic charge controller sketch map.

Fig. 4 switches sketch map for accumulate.

Fig. 5 is the inverter sketch map.

Fig. 6 is the master controller sketch map.

Embodiment

Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are elaborated.

The distributed power generation device that a kind of wind energy and solar energy are complementary comprises master controller, TRT and electric storage device, and said main controller is electrically connected power switching apparatus respectively; Electric storage device; Inverter and DC load, said TRT is connected with electric storage device, and said electric storage device is electrically connected inverter and DC load; Said inverter connects the oil gas field load through power switching apparatus, and the oil gas field load also is connected with electrical network;

Said TRT comprises wind turbine generator, the blower fan charge controller that is connected with wind turbine generator, and solar panel, the photovoltaic charge controller that is connected with solar panel is used to accomplish generating work, for load provides electric power;

The size of the power of installation wind turbine generator and solar panel is by the bearing power decision of oil gas field; Distribution situation difference according to not comprovincial wind energy and solar energy; Select suitable wind energy alpha and solar energy factor beta; Calculate the wind turbine generator power and the solar cell power output plate of required installation according to the principle of complementation, computing formula is following:

，

，

Wherein, expression needs the power of the wind turbine generator of installation; expression needs the power of the solar panel of installation; The electric power that expression oil gas field need provide, is illustrated in efficient in the whole electric energy transfer process.

Like accompanying drawing 2, when under the situation of wind-force size in generation range, the wind turbine generator normal power generation; When wind-force was lower than the incision wind speed or surpasses cut-out wind speed, wind turbine generator was out of service; Solar panel is having normal power generation under the situation of sunlight, is not having under the situation of the sun out of servicely, and when wind turbine generator and solar panel were all out of service, system carried out electric power automatically and switches, and to oil gas field electric power is provided by electrical network.

Like accompanying drawing 3, the unstable power conversions of amplitude that photovoltaic charge controller is responsible for wind turbine generator and solar panel are sent is the stable electric power of output; Because the wind-force size of oil gas field wind field is non-constant, the electric power amplitude that wind turbine generator is sent is unstable with frequency, and needing increases photovoltaic charge controller, makes the amplitude and the frequency stabilization of the electric power that wind generator system is exported; In like manner, because also there is time variation in solar energy,, increase the electric power that photovoltaic charge controller just also can be converted into electric power amplitude stability so the electric power that solar energy sends also changes.

According to the watt level of single group wind-driven generator and solar panel, select the suitable charge controller of watt level, wherein the blower fan charge controller is AC-DC charging (AC-DC), photovoltaic charge controller is DC-to-DC charging (DC-DC).When wind turbine generator was normally moved, blower fan charge controller operate as normal guaranteed the stable electric power of output amplitude; When solar panel normally moves, photovoltaic charge controller operate as normal, the electric power that the output output amplitude is stable.Blower fan charge controller and photovoltaic charge controller should have overvoltage, under-voltage protection, overcurrent, load short circuits protection, lightning protection, defencive functions such as reverse connection of accumulator protection.

Like accompanying drawing 4, described electric storage device is used for store power, and the electric power that provides when wind power generation and photovoltaic generation is during greater than the required electric power of oil gas field load, and electric storage device is responsible for storing excrescent electric power; When the electric power that provides when wind power generation and photovoltaic generation was lower than the required electric power of oil gas field load, electric storage device discharged store power, and proof load normally moves; Electric storage device is made up of 12V or 24V storage battery; Size according to the oil gas field bearing power is selected battery capacity; Become batteries through a plurality of storage batterys and series connection then, the selection of batteries total capacity size can should be stayed certain allowance with reference to following formula in practical application.

? or

Wherein, is the total power input of wind turbine generator and solar panel; is battery efficiency; is the storage battery rated voltage; is the conversion efficiency of inverter, expression load rated power;

The electric power of electric storage device storage can become alternating current through inverter on the one hand, for AC load provides electric power; Can directly be the DC load power supply on the other hand.

Accompanying drawing 5 is the inverter sketch map; Described inverter is responsible for converting direct current into alternating current; Because most loads are AC load in the oil gas field; Event needs to increase inverter, changes the direct current in the storage battery into alternating current, and the watt level of inverter is selected according to the actual production demand.

The running status of the device charging and discharging circuit that described master controller is responsible for controlling, the whole device of monitoring is taked safeguard measure when device is in when improper situation is moved; The main controller chip adopts DSP (TMS320F2812) chip; 8 road A/D conversion that this main controller carries can realize the output current to solar panel output voltage, electric current, the output voltage of wind turbine generator, electric current, electric storage device output voltage, electric current; The AD conversion of information such as inverter output voltage, electric current; Judge through specific algorithm whether system is in normal operating condition then, if system is in unusual condition, master controller blocks the output signal; And, guarantee system safety through buzzer warning.In addition, master controller also is responsible for charging and discharging of accumulator is controlled, and electric power switches, the functions such as control that relevant information shows.

Described detection module is responsible for the isoparametric detection of input voltage, input current, output voltage, output current of detection system, and wherein dc voltage is measured and adopted the electric resistance partial pressure method to measure, and electric current adopts Hall element to measure; Voltage transformer is adopted in the AC side voltage measurement, and current transformer is adopted in current measurement.

Claims (8)

1. the complementary distributed power generation device of wind energy and solar energy comprises master controller, TRT and electric storage device, it is characterized in that; Said main controller is electrically connected power switching apparatus respectively, electric storage device, inverter and DC load; Said TRT is connected with electric storage device; Said electric storage device is electrically connected inverter and DC load, and said inverter connects load through power switching apparatus, and load also is connected with electrical network.
2. the distributed power generation device that a kind of wind energy according to claim 1 and solar energy are complementary; It is characterized in that said TRT comprises wind turbine generator, want the blower fan charge controller that is connected with wind turbine generator; Solar panel; The photovoltaic charge controller that is connected with solar panel is used to accomplish generating work, for load provides electric power.
3. the distributed power generation device that a kind of wind energy according to claim 1 and solar energy are complementary; It is characterized in that; Said blower fan charge controller, photovoltaic charge controller are used for respectively the unstable power conversions of amplitude that wind turbine generator and solar panel send is the stable electric power of output.
4. the distributed power generation device that a kind of wind energy according to claim 1 and solar energy are complementary; It is characterized in that; Described electric storage device is used for store power, and the electric power that provides when wind power generation and photovoltaic generation is during greater than the required electric power of load, and electric storage device is responsible for storing excrescent electric power; When the electric power that provides when wind power generation and photovoltaic generation was lower than the required electric power of load, electric storage device discharged store power, and proof load normally moves.
5. the distributed power generation device that a kind of wind energy according to claim 1 and solar energy are complementary is characterized in that said detection module is made up of voltage transformer, current transformer, Hall element ,Parameters such as the input voltage of responsible detection system, input current, output voltage, output current.
6. the distributed power generation device that a kind of wind energy according to claim 1 and solar energy are complementary is characterized in that be provided with Hall element between said solar panel and the photovoltaic charge controller, Hall element also is connected with master controller.
7. the distributed power generation device that a kind of wind energy according to claim 1 and solar energy are complementary is characterized in that, is provided with the voltage transformer summation current transformer of mutual series connection in the said circuit loop.
8. according to described a kind of wind energy of claim 1-5 and the complementary distributed power generation device of solar energy, it is characterized in that said master controller adopts TMS320F2812, also is connected with information display module and alarm module.
CN2011104572595A 2011-12-31 2011-12-31 Wind-solar hybrid distribution type generating set CN102522814A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103227504A (en) * 2013-04-02 2013-07-31 中国第一重型机械股份公司 Wind power distributed spontaneous self-powered system device
CN103399223A (en) * 2013-07-24 2013-11-20 东北大学 New energy power generation system grid-connection intelligent detection and warning system and new energy power generation system grid-connection intelligent detection and warning method
CN104662767A (en) * 2012-10-10 2015-05-27 株式会社日立制作所 Storage cell system and power plant control system
CN107154657A (en) * 2017-05-18 2017-09-12 江苏理工学院 A kind of optimum condition type fuel cell charging station
CN107453400A (en) * 2017-09-06 2017-12-08 合肥凌山新能源科技有限公司 The complementary electricity generation system of a kind of wind energy, solar energy

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JP2000195801A (en) * 1998-12-24 2000-07-14 Fujitsu Ltd Manufacture of semiconductor device
CN101841163A (en) * 2010-03-15 2010-09-22 三一电气有限责任公司 Grid-connected wind-light combined power generation system and power generation method thereof
CN102111088A (en) * 2010-11-24 2011-06-29 广东工业大学 Photovoltaic power generation control system
CN102237691A (en) * 2011-07-06 2011-11-09 东北大学 Wind energy and solar energy grid-connected generation system and control method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000195801A (en) * 1998-12-24 2000-07-14 Fujitsu Ltd Manufacture of semiconductor device
CN101841163A (en) * 2010-03-15 2010-09-22 三一电气有限责任公司 Grid-connected wind-light combined power generation system and power generation method thereof
CN102111088A (en) * 2010-11-24 2011-06-29 广东工业大学 Photovoltaic power generation control system
CN102237691A (en) * 2011-07-06 2011-11-09 东北大学 Wind energy and solar energy grid-connected generation system and control method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104662767A (en) * 2012-10-10 2015-05-27 株式会社日立制作所 Storage cell system and power plant control system
CN104662767B (en) * 2012-10-10 2017-07-14 株式会社日立制作所 Battery system and generating equipment control system
US9740195B2 (en) 2012-10-10 2017-08-22 Hitachi, Ltd. Storage cell system and power plant control system
CN103227504A (en) * 2013-04-02 2013-07-31 中国第一重型机械股份公司 Wind power distributed spontaneous self-powered system device
CN103399223A (en) * 2013-07-24 2013-11-20 东北大学 New energy power generation system grid-connection intelligent detection and warning system and new energy power generation system grid-connection intelligent detection and warning method
CN107154657A (en) * 2017-05-18 2017-09-12 江苏理工学院 A kind of optimum condition type fuel cell charging station
CN107453400A (en) * 2017-09-06 2017-12-08 合肥凌山新能源科技有限公司 The complementary electricity generation system of a kind of wind energy, solar energy

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