WO2014010834A1 - Système de transmission d'énergie électrique - Google Patents

Système de transmission d'énergie électrique Download PDF

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Publication number
WO2014010834A1
WO2014010834A1 PCT/KR2013/005231 KR2013005231W WO2014010834A1 WO 2014010834 A1 WO2014010834 A1 WO 2014010834A1 KR 2013005231 W KR2013005231 W KR 2013005231W WO 2014010834 A1 WO2014010834 A1 WO 2014010834A1
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WO
WIPO (PCT)
Prior art keywords
voltage
electrical energy
transmitting
reference voltage
electrical
Prior art date
Application number
PCT/KR2013/005231
Other languages
English (en)
Korean (ko)
Inventor
구본훈
Original Assignee
Ku Bon Hun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ku Bon Hun filed Critical Ku Bon Hun
Publication of WO2014010834A1 publication Critical patent/WO2014010834A1/fr

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Classifications

    • 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
    • H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power
    • 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
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic 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
    • 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

Definitions

  • the present invention relates to a system for minimizing power consumption during transfer in transmitting power converted from solar energy to electrical energy through a solar module.
  • Solar energy an eco-friendly power generation system that can produce energy without polluting the environment, converts solar energy into electrical energy using solar modules.
  • the amount of energy actually converted is far less than the amount of solar energy.
  • the loss rate occurs in the process of converting direct current electrical energy into alternating current electrical energy in the inverter, and is also lost in the transmission line.
  • the main investment cost of the photovoltaic business is the price of photovoltaic modules. Therefore, many places are developing for the purpose of lowering the price or installation cost of solar module production. In some countries, subsidies are provided by the national fostering industry.
  • improvement methods for increasing the efficiency of solar cells include the development of pigments of photocatalysts (dyes) that perform photoelectric conversion, the development of conversion of light to electrical energy by the extraction of highly pure silicon materials, the development of alternative materials other than silicon, Attempts have been made to improve the method in many aspects, including the development of photovoltaic modules.
  • the existing method is focused on demanding the development of the product configuration, such as the development of a cell that can increase the purity of the material or increase the power generation, or the development of an inverter that can increase the efficiency. While these can continue to evolve as technology advances, it is more important to discover that there are important electrical properties in the most basic electrical mechanisms, and to increase the efficiency of the mechanisms.
  • an object of the present invention is to reduce the power consumption generated during transmission by maximizing the transmission efficiency of DC current generated in a solar module and AC converted in an inverter.
  • the purpose is to efficiently use the power without changing the existing equipment by using a control technology for the movement of the current and the former, the nature of the current, rather than the development of existing modules, coatings, materials.
  • the present invention provides a system for producing and transmitting electrical energy from sunlight, comprising: a solar module for generating direct current electrical energy from the solar light; and stabilizing and transmitting a voltage of the direct current electric energy generated from the solar module.
  • An inverter for converting direct current electrical energy generated from the solar module into alternating current electrical energy;
  • a wavelength controller for converting and converting the AC electrical energy converted by the inverter into AC electrical energy having a sine wave having a constant wavelength. It provides a system for transmitting electrical energy produced from solar light including a.
  • the electronic controller may include: a transmission line through which the direct current electric energy flows; and an electrical characteristic material surrounding the transmission line; and the electrical characteristic material at regular intervals so as to be perpendicular to a direction of the transmission line, and connected to the transmission line. Electromagnetic field generating coils; And a voltage stabilization circuit unit for stabilizing the voltage of the direct current electrical energy.
  • the electrical characteristic material may have a positive charge when the electronic controller operates as a semiconductor, thereby uniformizing the distribution of electrons in the conductive wire, thereby stabilizing the movement of current flowing through the conductive wire.
  • the electronic controller stabilizes the vibration of the electrons due to the electron spin by the electric field generated by the electric field generating coil and the electric characteristic material to accelerate the movement of the electrons, thereby preventing the loss of the DC electric energy during transmission. can do.
  • the voltage stabilization circuit unit a voltage division stage for dividing the input voltage of the DC electrical energy with a reference voltage to distinguish the voltage higher than the reference voltage and the voltage lower than the reference voltage; and the voltage higher than the reference voltage
  • a voltage conversion stage configured to drop a voltage to be equal to the reference voltage, and boost the voltage so that a voltage lower than the reference voltage is equal to the reference voltage
  • a stabilization voltage output stage for returning when the transformed voltage is out of a predetermined range of the reference voltage, and outputting when the transformed voltage is within a predetermined range of the reference voltage.
  • the voltage stabilizing device may be configured of an upper voltage stabilizing device and a lower voltage stabilizing device in the electronic controller, and the upper voltage stabilizing device and the lower voltage stabilizing device may be characterized by having the same charge and polarity.
  • the wavelength controller the electrical characteristic material consisting of a semiconductor; And a sine wave generating coil surrounding the electrical characteristic material at regular intervals and connected to a transmission line for transmitting the AC electrical energy.
  • the waveform of the AC electrical energy flowing through the transmission line is characterized by making a sine wave constant. Can be.
  • the electrical characteristic material may be an np-type semiconductor in which n-type and p-type semiconductors are combined, and may control the flow of electrons or the change of wavelength in movement of electrons by electrical characteristics.
  • FIG. 1 is a diagram showing a system structure of the present invention.
  • FIGS. 2 and 3 illustrate a configuration of an electronic controller according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a voltage stabilization circuit part of an electronic controller according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a configuration of a wavelength controller according to an embodiment of the present invention.
  • 6 to 13 are diagrams showing experimental results according to the system configuration of the present invention.
  • FIG. 1 is a diagram showing a system structure of the present invention.
  • the system of the present invention is composed of a solar module 100, an electronic controller 200, an inverter 300, a wavelength controller 400.
  • the electrical energy (direct current) generated by the solar module 100 is input to the electronic controller 200, and the electronic controller 200 stabilizes and outputs the DC electrical energy generated by the solar module 100.
  • the stabilized DC electric energy output from the electronic controller 200 is transmitted through the power transmission line 10 and input to the inverter 300, and the inverter 300 converts the DC electric energy into AC electric energy and outputs the same.
  • the alternating electrical energy converted by the inverter 300 is transmitted to the substation 500 or the rechargeable battery 600 through the power transmission line 20.
  • the wavelength controller 400 is connected to the transmission line 20 to convert the unstable wavelength of the alternating electrical energy converted by the inverter into the wavelength of the stabilized sine wave.
  • the wavelength controller 400 is connected to the transmission line 20 for transmitting AC electrical energy in parallel, and serves to stabilize the AC electric energy of the non-sinusoidal wave flowing in the transmission line 20 for transmitting the AC electrical energy to the sine wave. .
  • the present invention stabilizes the transmission of the direct current electrical energy by using the electronic controller 200 to transmit to the inverter 300 to increase the transmission efficiency of the direct current electrical energy, and converts the alternating electrical energy converted by the inverter 300 into the wavelength controller 400. Using), stabilizes the wavelength with a constant sine wave and increases the transmission efficiency of AC electrical energy.
  • the present invention reduces the power generated during the transmission of the direct current electrical energy in the front of the inverter 300, and reduces the power generated during the transmission of the alternating current electrical energy in the rear end of the inverter 300, the transmission of electrical energy as a whole Can significantly reduce power consumption.
  • the solar module 100 generates electrical energy from sunlight. Electrical energy generated through the solar module 100 is input to the electronic controller 200 through the transmission line 10 for transmitting a direct current.
  • the electronic controller 200 is connected to a transmission line 10 for transmitting direct current electrical energy between the solar module 100 and the inverter 300.
  • the electronic controller 200 minimizes the consumption of electrical energy generated during transmission by improving the movement of electrons and stabilizing the voltage of the DC electrical energy using the DC electric energy generated by the solar module 100 by using an electromagnetic field.
  • the inverter 300 performs a function of converting DC electric energy into AC electric energy. Since the inverter 300 may use the inverter 300 which is generally used in power transmission, detailed description thereof will be omitted.
  • the wavelength controller 400 performs a function of making the alternating current electrical energy converted through the inverter 300 into a sine wave having a stable wavelength (waveform). Detailed description thereof will be described later with reference to FIG. 5.
  • FIGS. 2 and 3 illustrate a configuration of an electronic controller according to an embodiment of the present invention.
  • the electronic controller 200 of the present invention includes a voltage stabilization device 210 for performing electron movement and stabilization of voltage.
  • the voltage stabilization device 210 may be configured with one or more according to the magnitude of the electrical energy generated from the solar module 100.
  • the voltage stabilizer 210 of the present invention is composed of an electrical characteristic material 211 and the electromagnetic field generating coil 212 surrounding the power transmission line (10).
  • the power transmission line 10 is wrapped in a non-insulating metal material such as fluorine resin.
  • a coating agent 213 is coated between the electrical characteristic material 211 and the electromagnetic field generating coil 212.
  • the electrical characteristic material 211 combines compound semiconductors such as gallium arsenide (GaAs), gallium phosphide (GaP), cadmium sulfide (CdS), SiC, Si, CdSe, MnFe2O4, Cl, Al, and Mg having semiconductor characteristics. It is composed by increasing the distribution of (ion) electrons in the outer shell by structural bonding using polarity in the process.
  • GaAs gallium arsenide
  • GaP gallium phosphide
  • CdS cadmium sulfide
  • the magnetic moment of the electron is determined by the spin motion of the charge, and the result of the mixing of the same polarity has a stronger polarity value, and the polarity value plays a major role in controlling the movement of the current, that is, the vibration of the electron.
  • the electrical characteristic material 211 of the present invention attaches an n-type semiconductor and a p-type semiconductor, and uses a rectifying action to allow current to flow well in the direction of the n-type semiconductor in the p-type semiconductor so that the electromagnetic field hardly flows in the opposite direction. will be.
  • the electromagnetic field generating coil 212 is a coil surrounding the electrical characteristic material 211.
  • the electromagnetic characteristic material 211 is perpendicular to the direction of the transmission line 10. Wrap at regular intervals.
  • the electromagnetic field generating coil 212 is designed to optimize the electric field in a direction perpendicular to the plane of the transmission line 10 and the electrical characteristic material 211, thereby forming a conductive plane derivative by maintaining a constant distance between the electromagnetic field and the positive charge. In this way, a constant electric field is applied to the power line to make the value of the moving charge constant.
  • the electromagnetic field generating coil 212 is connected to the power transmission line 10.
  • FIG. 4 is a diagram illustrating a voltage stabilization circuit part of an electronic controller according to an embodiment of the present invention.
  • the voltage stabilization circuit unit includes a voltage division stage 215, a voltage conversion stage 216, and a stabilization voltage output stage 217.
  • the voltage dividing stage 215 classifies the DC electric energy generated from the solar module 100, that is, the input voltage input to the electronic controller 200 with a reference voltage to determine whether the input voltage is higher than the reference voltage. It is used to distinguish between lower voltages.
  • the voltage conversion stage 216 When the input voltage is higher than the reference voltage, the voltage conversion stage 216 performs a voltage drop to be equal to the reference voltage. When the input voltage is lower than the reference voltage, the voltage converter 216 increases the voltage to be equal to the reference voltage. Do this.
  • the stabilization voltage output terminal 217 returns when the voltage transformed by the voltage conversion terminal 216 is out of a predetermined range of the reference voltage, and outputs the output voltage when it is within a predetermined range of the reference voltage.
  • FIG. 5 is a diagram illustrating a configuration of a wavelength controller according to an embodiment of the present invention.
  • the wavelength controller 400 of the present invention makes the waveform of AC electrical energy (AC current) converted through the inverter 300 into a sine wave, and includes an electrical characteristic material 410 and a sine wave generating coil 411.
  • a sinusoidal wave generating coil 411 surrounds the electrical characteristic material 410, and an insulating material (packaging material) 412 is surrounded on the outside thereof.
  • the electrical characteristic material 410 is a semiconductor composed of the same components as the electrical characteristic material 211 of the electronic controller 200.
  • the sine wave generating coil 411 surrounds the electrical characteristic material 410 at regular intervals and is connected to a transmission line 20 for transmitting the alternating electrical energy converted through the inverter 300.
  • the method for making the alternating current into a sinusoidal wave having a constant wavelength (waveform) in the wavelength controller 400 is as follows.
  • the sinusoidal wave generating coil 411 surrounds the electrical characteristic material 410 at regular intervals and is connected to a transmission line 20 for transmitting AC electrical energy at the rear end of the inverter 300.
  • the sine wave generating coil 411 is parallel with each other while the same current flows through the transmission line 20.
  • 6 to 13 are diagrams showing experimental results according to the system configuration of the present invention.
  • a conventional power transmission system to which the system of the present invention is not applied is referred to as 'A'
  • a power transmission system to which the present invention is applied is referred to as 'B'.
  • FIG. 6 is a graph showing the power transmission efficiency by comparing the system of the present invention before and after the installation, the conventional power transmission system 'A' can transmit up to 80% of the power, the power transmission system 'B of the present invention 'Can be seen that the power transmission efficiency up to 90% or more.
  • FIG. 7 is a graph showing the stabilization of the current value by comparing the system of the present invention before and after installation.
  • the waveform of the current becomes unstable. It can be seen that the transmission system 'B' shows a stable current waveform even when the instantaneous output changes suddenly.
  • FIG. 8 is a graph showing changes in voltage waveforms in comparison with the system of the present invention before and after installation.
  • the voltage waveform is irregular, but the power transmission system 'B' of the present invention has a voltage waveform. You can see that it appears evenly.
  • FIG. 9 and 10 are graphs showing the change in power compared to before and after the installation of the system of the present invention, the power supply in the power transmission system (Fig. 10) of the present invention is more consistently supplied than the conventional power transmission system (Fig. 9) It can be seen that.
  • FIG. 11 is a graph showing a change in voltage charged in the rechargeable battery 600 by comparing the system of the present invention before and after the installation.
  • the conventional power transmission system 'A' is used when the power transmission system 'B' of the present invention is used. It can be seen that the charging completion trks is about 2 hours faster than the use, and the stability of the voltage stored in the rechargeable battery 600 is also improved.
  • 12 and 13 are graphs of efficiency in terms of power compared to before and after installation of the system of the present invention, in which the conventional transmission system 'A' is used when the transmission system 'B' of the present invention is used. It is further seen that significant efficient improvements have been made in active power, leakage, total power and power.
  • the present invention reduces the power consumption generated during transmission by maximizing the transmission efficiency of DC current generated in a solar module and alternating current converted from an inverter, thereby increasing power usage without developing and expanding new power generation facilities. There is availability.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention a pour objet, de façon à solutionner des problèmes existants, de réduire l'occurrence d'une perte d'énergie pendant une transmission de puissance par optimisation de l'efficacité de transmission d'un courant alternatif qui a été converti par un onduleur à partir d'un courant continu généré par un module solaire. Pour ce faire, la présente invention porte sur un système permettant de générer et de transmettre de l'énergie générée à partir de la lumière solaire comprenant : un module solaire destiné à générer du courant continu à partir de la lumière solaire ; un dispositif de commande électronique destiné à stabiliser la tension de l'énergie électrique de courant continu générée par le module solaire et à transmettre l'énergie électrique de courant continu ; un onduleur destiné à convertir l'énergie électrique de courant continu générée par le module solaire en énergie électrique de courant alternatif ; et un organe de commande de longueur d'onde destiné à convertir l'énergie électrique de courant alternatif, convertie par l'onduleur, en énergie électrique de courant alternatif ayant des longueurs d'onde d'une onde sinusoïdale déterminée, et à la transmettre.
PCT/KR2013/005231 2012-07-09 2013-06-13 Système de transmission d'énergie électrique WO2014010834A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120074630A KR101197668B1 (ko) 2012-07-09 2012-07-09 전기에너지 전송 시스템
KR10-2012-0074630 2012-07-09

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WO2014010834A1 true WO2014010834A1 (fr) 2014-01-16

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CN113325233B (zh) * 2021-06-02 2024-04-09 云南电网有限责任公司电力科学研究院 一种对直流电能中纹波电能的调制及测量系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010011621A (ko) * 1999-07-29 2001-02-15 윤종용 소규모 분산 계통연계형의 태양광 및 디젤 복합 발전시스템
KR20070033395A (ko) * 2007-02-21 2007-03-26 주식회사기영미다스 스트링기준 태양광발전용 전력제어장치
KR20100082306A (ko) * 2008-12-24 2010-07-16 김동관 전송 장치
KR101037875B1 (ko) * 2011-03-23 2011-05-30 강문수 태양광 발전용 인버터의 공냉 제어 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010011621A (ko) * 1999-07-29 2001-02-15 윤종용 소규모 분산 계통연계형의 태양광 및 디젤 복합 발전시스템
KR20070033395A (ko) * 2007-02-21 2007-03-26 주식회사기영미다스 스트링기준 태양광발전용 전력제어장치
KR20100082306A (ko) * 2008-12-24 2010-07-16 김동관 전송 장치
KR101037875B1 (ko) * 2011-03-23 2011-05-30 강문수 태양광 발전용 인버터의 공냉 제어 방법

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