CN104426401A - Medium-frequency power-supply system method powered by photovoltaic power supply - Google Patents
Medium-frequency power-supply system method powered by photovoltaic power supply Download PDFInfo
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- CN104426401A CN104426401A CN201310402735.2A CN201310402735A CN104426401A CN 104426401 A CN104426401 A CN 104426401A CN 201310402735 A CN201310402735 A CN 201310402735A CN 104426401 A CN104426401 A CN 104426401A
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- 238000012360 testing method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000005058 metal casting Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 7
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- 229910052710 silicon Inorganic materials 0.000 description 2
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- 238000003860 storage Methods 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
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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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Abstract
The invention discloses a medium-frequency power-supply system method powered by a photovoltaic power supply. The medium-frequency power-supply system method comprises a storage-battery pack, a solar array (PV), a photovoltaic power-supply controller, a primary inverter bridge, a boosted circuit, a full-bridge rectifying circuit, a medium-frequency full-bridge inverter power supply, a resonance loop, a driving circuit, a waveform generating circuit, a trigger circuit, a feedback detecting circuit, a sampling feedback (closed-loop) control circuit and a load. According to the medium-frequency power-supply system method, energy saving effect and emission reduction as well as environmental protection are realized by developing new energy resources and utilizing the technology of the new energy resources, and the invention fully relates to a series of technologies of a construction industry, energy-resource utilization, a metal casting industry and a heat-processing and hot-working manufacturing industry.
Description
Technical field
The present invention relates to a kind of intermediate frequency power supply systems approach of being powered by photo-voltaic power supply.
Background technology
Earth resource, environment and energy savings that the protection mankind depend on for existence, make rational use of resources, be the key subjects that the whole world faces, Ye Shi Human and nature circle is got along amiably and peacefully the responsibility that must need to bear.Energy-saving and emission-reduction are only ways that country realizes sustainable development; also be safeguard country even the only way which must be passed of world's long-term interest; eliminate the production capacity fallen behind, develop new forms of energy and utilize the technological revolution of new forms of energy to be the important means realizing energy-saving and emission-reduction and environmental protection.Intermediate frequency power supply is exactly the solid-state novel power supply of the high power semi-conductor that metallurgy industry and heat treatment process industry replace traditional flame stove, resistance furnace arises at the historic moment; it is the power-supply device utilizing electromagnetic induction principle and carry out work with the coupling of load; its advantage is that efficiency is high, heating (or melting) time is short, be easy to realize automatic control, operation can be closed at any time and be started at any time; time-saving energy-saving, safe and reliable, use time do not produce waste gas, particularly remarkable especially in protection of the environment.The production of current intermediate frequency power supply and use quite general, use and control technology also very ripe, but be all utilize existing national grid to carry out power supply use as the electric power system of intermediate frequency power supply.And electrical network is limited resources as conventional energy resource on the one hand, not recycling, conventional energy resource utilizes in a large number in addition also has to environment for human survival the destruction be on the rise.The energy that the mankind utilize, nearly all from solar energy, comprises a series of energy of such as solar energy, wind energy, nuclear energy.The sun is irradiated to tellurian energy equivalence in 5,000,000 tons of coals each second, and the energy equivalence projecting earth surface in 40min is annual catabiotic summation in the whole world.And solar energy (photo-voltaic power supply) power supply is the core of the renewable energy resources.The sun is the natural origin of energy, and solar energy can infinitely be supplied every day, and substantial amounts.Free from environmental pollution as one, inexhaustible new forms of energy again, it is ubiquitous.Although the available new forms of energy of the mankind at present, if solar energy, wind energy, geothermal energy, water energy, oceanic energy equal energy source form are all to meet the demands.But from the stability of the energy, can persistence, quantity, equipment cost, utilize the factors such as condition to consider, solar energy will become ideal regenerative resource and non-polluting energy sources.And photo-voltaic power supply is complied with this theory just as the electric power system of intermediate frequency power supply innovate.The form that utilizes of current solar energy mainly contains solar thermal utilization, photovoltaic generation utilization and Photochemical convertion three kinds of forms.Photovoltaic generation utilizes using electric energy as the final form of expression, has transmission feature extremely easily, has the irreplaceable advantage of other energy in versatility, storability etc.And because the reserves of the raw material-silicon of solar cell are very abundant, the improving constantly of solar cell conversion efficiency, production cost continuous decline, all impel solar energy power generating to occupy critical role in the energy, environment and human society future development.On the other hand building energy consumption problem is the most serious part of energy resource consumption in the world at present, and in the building of China high energy consumption type building shared by population proportion up to 99%, development utilization novel energy, all sidedly Application and Development solar photovoltaic building.Can benefit to modern humans in multiple angle undoubtedly, create better individual and quality of social life.Existing plant area structure generally has brick masonry structure, block masonry structure, plate masonry structure, frame structure, shear wall structure, frame-shear structure etc.These bodies of wall only consider to ensure the requirement of physical property of the fail safe of building, durability and building at present when designing, and cannot meet the principle of environmental protection.The building of intermediate frequency equipment use is combined with the layout of photo-voltaic power supply, and the space that can be arranged on plant area roof and not use at ordinary times, noiselessness, life-span are long, and just will need adjustment hardly once setting completed.The utilization of photo-voltaic power supply and the perfect adaptation of intermediate frequency power supply the most reasonably design beyond doubt.
Summary of the invention
For solving above-mentioned existing shortcoming; main purpose of the present invention is the intermediate frequency power supply systems approach of being powered by photo-voltaic power supply providing a kind of practicality; by development new forms of energy and utilize the technology of new forms of energy to realize energy-saving and emission-reduction and environmental protection, fully relate to building industry, using energy source, the foundry industry of metal and heat treatment, hot worked manufacturing a series of technology.Be applicable to intermediate frequency metallurgy, heat treatment manufacturing newly-built or transformation time make full use of space, making full use of of these new forms of energy of photo-voltaic power supply is applied with the new invention of perfect adaptation.To the utilization of Future New Energy Source, once comprehensively technological innovation is carried out in energy-conserving and environment-protective and process industry aspect.The application characteristic of photo-voltaic power supply and intermediate frequency power supply equipment characteristic have a lot of general character to exist technically, photo-voltaic power supply replaces the mains supply system of intermediate frequency power supply, final purpose is exactly directly by technological innovation, utilizes photo-voltaic power supply as the electric power system for intermediate frequency power supply.Solve in current metallurgical industry and metal heat treatmet processing and apply the electrical network energy, the waste of building energy consumption and the problem of its environmental pollution.
For reaching above-described object, one of the present invention takes following technical scheme:
A kind of intermediate frequency power supply systems approach of being powered by photo-voltaic power supply, comprise batteries, solar battery (PV), photo-voltaic power supply controller, preceding-stage inversion bridge, booster circuit, full bridge rectifier, intermediate frequency full bridge inverse conversion power, resonant tank, drive circuit, Waveform generating circuit, circuits for triggering, feedback sense circuit, sampling feedback (closed loop) control circuit and load, it is characterized in that, described solar battery (PV) is interconnected with batteries and photo-voltaic power supply controller, direct current is inputted preceding-stage inversion bridge by solar battery (PV), described photo-voltaic power supply controller simultaneously control waveform produces circuit and drive circuit, described preceding-stage inversion bridge inputs booster circuit by after converting direct-current power into alternating-current power, described booster circuit inputs full bridge rectifier after being superposed by alternating current, alternating current after superposition is converted to direct current input intermediate frequency full bridge inverse conversion power by described full bridge rectifier, described intermediate frequency full bridge inverse conversion power inputs resonant tank by after converting direct-current power into alternating-current power, alternating current is divided into two-way by described resonant tank, No. one alternating current input load, another road alternating current utilizes the discharge and recharge of electric capacity to produce concussion input sample feedback (closed loop) control circuit, the alternating current utilizing the discharge and recharge of electric capacity to produce concussion is divided into two-way by described sampling feedback (closed loop) control circuit, one road input feedback testing circuit, full bridge rectifier is inputted by circuits for triggering, another road input waveform produces circuit, by drive circuit input propons inverter bridge.
Adopt the present invention of as above technical scheme, there is following beneficial effect:
By development new forms of energy and utilize the technology of new forms of energy to realize energy-saving and emission-reduction and environmental protection, fully relate to building industry, using energy source, the foundry industry of metal and heat treatment, hot worked manufacturing a series of technology.Be applicable to intermediate frequency metallurgy, heat treatment manufacturing newly-built or transformation time make full use of space, making full use of of these new forms of energy of photo-voltaic power supply is applied with the new invention of perfect adaptation.To the utilization of Future New Energy Source, once comprehensively technological innovation is carried out in energy-conserving and environment-protective and process industry aspect.The application characteristic of photo-voltaic power supply and intermediate frequency power supply equipment characteristic have a lot of general character to exist technically, photo-voltaic power supply replaces the mains supply system of intermediate frequency power supply, final purpose is exactly directly by technological innovation, utilizes photo-voltaic power supply as the electric power system for intermediate frequency power supply.Solve in current metallurgical industry and metal heat treatmet processing and apply the electrical network energy, the waste of building energy consumption and the problem of its environmental pollution.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention.
Embodiment
In order to further illustrate the present invention, be described further below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of intermediate frequency power supply systems technology of being powered by photo-voltaic power supply of the present invention, comprise batteries, solar battery (PV), photo-voltaic power supply controller, preceding-stage inversion bridge, booster circuit, full bridge rectifier, intermediate frequency full bridge inverse conversion power, resonant tank, drive circuit, Waveform generating circuit, circuits for triggering, feedback sense circuit, sampling feedback (closed loop) control circuit and load, solar battery (PV) is interconnected with batteries and photo-voltaic power supply controller, direct current is inputted preceding-stage inversion bridge by solar battery (PV), photo-voltaic power supply controller simultaneously control waveform produces circuit and drive circuit, preceding-stage inversion bridge inputs booster circuit by after converting direct-current power into alternating-current power, booster circuit inputs full bridge rectifier after being superposed by alternating current, alternating current after superposition is converted to direct current input intermediate frequency full bridge inverse conversion power by full bridge rectifier, intermediate frequency full bridge inverse conversion power inputs resonant tank by after converting direct-current power into alternating-current power, alternating current is divided into two-way by resonant tank, No. one alternating current input load, another road alternating current utilizes the discharge and recharge of electric capacity to produce concussion input sample feedback (closed loop) control circuit, the alternating current utilizing the discharge and recharge of electric capacity to produce concussion is divided into two-way by sampling feedback (closed loop) control circuit, one road input feedback testing circuit, full bridge rectifier is inputted by circuits for triggering, another road input waveform produces circuit, by drive circuit input propons inverter bridge.Photo-voltaic power supply: solar radiation light converts the power supply of (light--electricity conversion) to by photovoltaic effect.Solar photovoltaic generation system is the photovoltaic effect utilizing solar cell semi-conducting material, solar radiation directly can be converted to a kind of new power generating system of electric energy, has independent operating and the two kinds of modes that are incorporated into the power networks.The photovoltaic generating system of independent operating needs storage battery as energy storage device (solar cell or title photovoltaic cell), and photovoltaic (PV) energy being power supply by transform light energy is a kind of clean regenerative resource.It is made up of parts such as solar cell array, controller, batteries, DC/AC inverters.Intermediate frequency power supply: refer to a kind of variable frequency power supply be made up of electric semiconductor components and parts, generally has two kinds of modes: the frequency conversion of interchange-AC/DC with exchange---AC frequency conversion.A kind of mode of general Chang Zhiqian.The frequency of intermediate frequency power supply is generally between 0.5 ~ 10kZ, and the type of attachment according to power supply output and load is divided into again parallel connection (current feed type) intermediate frequency power supply, series connection (voltage feed type) intermediate frequency power supply and connection in series-parallel intermediate frequency power supply.Can be divided into according to electric semiconductor difference in power supply architecture: SCR(thyristor) intermediate frequency power supply (being the KGPS generally applied), GTR(bipolar transistor) intermediate frequency power supply, IGBT(insulated gate bipolar transistor) intermediate frequency power supply and IGCT intermediate frequency power supply newly developed and MOS intermediate frequency power supply etc.Be independent off-grid electric power system as the photo-voltaic power supply for intermediate frequency power supply electric power system, general power ratio is comparatively large, so select monocrystaline silicon solar cell.Its photoelectric conversion efficiency is about 15%, and the highest reaches 24%, and this is that in the solar cell of current all kinds, photoelectric conversion efficiency is the highest, monocrystalline silicon generally adopts toughened glass and waterproof resin to encapsulate, it is sturdy and durable, and useful life generally can reach 15 years, reaches as high as 25 years.The gross power of photo-voltaic power supply needs is calculated according to intermediate frequency load and inverter efficiency (being generally 90%); calculate with parameters input pvsyst photovoltaic design softwares such as on-site geographic logitude and latitudes; configure the electricity generation system such as square formation of the storage battery quantity of photo-voltaic power supply, controller, inverter, photo-voltaic power supply, by intermediate frequency electric design principle configuration booster circuit, rectification circuit, inverter circuit and the element such as control and protective circuit.Then set up photo-voltaic power supply square formation according to architectural design with the design principle of photo-voltaic power supply, be connected electric component, commissioning test.
A kind of intermediate frequency power supply systems approach of being powered by photo-voltaic power supply of the present invention; by development new forms of energy and utilize the technology of new forms of energy to realize energy-saving and emission-reduction and environmental protection, fully relate to building industry, using energy source, the foundry industry of metal and heat treatment, hot worked manufacturing a series of technology.Be applicable to intermediate frequency metallurgy, heat treatment manufacturing newly-built or transformation time make full use of space, making full use of of these new forms of energy of photo-voltaic power supply is applied with the new invention of perfect adaptation.To the utilization of Future New Energy Source, once comprehensively technological innovation is carried out in energy-conserving and environment-protective and process industry aspect.The application characteristic of photo-voltaic power supply and intermediate frequency power supply equipment characteristic have a lot of general character to exist technically, photo-voltaic power supply replaces the mains supply system of intermediate frequency power supply, final purpose is exactly directly by technological innovation, utilizes photo-voltaic power supply as the electric power system for intermediate frequency power supply.Solve in current metallurgical industry and metal heat treatmet processing and apply the electrical network energy, the waste of building energy consumption and the problem of its environmental pollution.
Claims (1)
1. an intermediate frequency power supply systems approach of being powered by photo-voltaic power supply, comprise batteries, solar battery (PV), photo-voltaic power supply controller, preceding-stage inversion bridge, booster circuit, full bridge rectifier, intermediate frequency full bridge inverse conversion power, resonant tank, drive circuit, Waveform generating circuit, circuits for triggering, feedback sense circuit, sampling feedback (closed loop) control circuit and load, it is characterized in that, described solar battery (PV) is interconnected with batteries and photo-voltaic power supply controller, direct current is inputted preceding-stage inversion bridge by solar battery (PV), described photo-voltaic power supply controller simultaneously control waveform produces circuit and drive circuit, described preceding-stage inversion bridge inputs booster circuit by after converting direct-current power into alternating-current power, described booster circuit inputs full bridge rectifier after being superposed by alternating current, alternating current after superposition is converted to direct current input intermediate frequency full bridge inverse conversion power by described full bridge rectifier, described intermediate frequency full bridge inverse conversion power inputs resonant tank by after converting direct-current power into alternating-current power, alternating current is divided into two-way by described resonant tank, No. one alternating current input load, another road alternating current utilizes the discharge and recharge of electric capacity to produce concussion input sample feedback (closed loop) control circuit, the alternating current utilizing the discharge and recharge of electric capacity to produce concussion is divided into two-way by described sampling feedback (closed loop) control circuit, one road input feedback testing circuit, full bridge rectifier is inputted by circuits for triggering, another road input waveform produces circuit, by drive circuit input propons inverter bridge.
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| CN201310402735.2A CN104426401A (en) | 2013-09-07 | 2013-09-07 | Medium-frequency power-supply system method powered by photovoltaic power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811411A (en) * | 2016-05-06 | 2016-07-27 | 郑尧 | Distributed solar energy medium-frequency power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811411A (en) * | 2016-05-06 | 2016-07-27 | 郑尧 | Distributed solar energy medium-frequency power supply device |
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