KR20170007625A - Micro-grid solar energy havesting based energy integrated management system for energy efficiency - Google Patents

Micro-grid solar energy havesting based energy integrated management system for energy efficiency Download PDF

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Publication number
KR20170007625A
KR20170007625A KR1020150098085A KR20150098085A KR20170007625A KR 20170007625 A KR20170007625 A KR 20170007625A KR 1020150098085 A KR1020150098085 A KR 1020150098085A KR 20150098085 A KR20150098085 A KR 20150098085A KR 20170007625 A KR20170007625 A KR 20170007625A
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South Korea
Prior art keywords
data
energy
power
solar cell
cell modules
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KR1020150098085A
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Korean (ko)
Inventor
강태창
김진우
정호헌
최준열
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주식회사 대류
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Priority to KR1020150098085A priority Critical patent/KR20170007625A/en
Publication of KR20170007625A publication Critical patent/KR20170007625A/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/063Details of electronic electricity meters related to remote communication
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00Electric signal transmission systems
    • G08C19/02Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L31/00Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/32Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

An integrated energy management system for energy efficiency based on micro grid solar harvesting according to the present invention includes a plurality of solar battery modules for converting light energy incident from the sun into electric energy; A chargeable battery data monitoring unit for storing a direct current converted by the plurality of solar cell modules; An inverter data monitoring unit for converting the direct current stored in the chargeable battery data monitoring unit into an alternating current and supplying an alternating current to the power system; A data controller for sensing a power amount and a charging amount supplied from the plurality of solar cell modules to the charging battery data monitoring unit and a power supply amount supplied from the inverter data monitoring unit to the power system; A weather information collector connected to the data controller for collecting weather information and providing weather information data to the data controller; A voltage-temperature wireless measurement sensor installed in the plurality of solar cell modules; And a data warehouse for wirelessly communicating data with the data controller through the voltage-temperature wireless measurement sensor in both directions to measure and manage the amount of power and the amount of power supplied to the plurality of solar modules and the amount of power supplied to the power system, ; And

Description

{MICRO-GRID SOLAR ENERGY HAVESTING BASED ENERGY INTEGRATED MANAGEMENT SYSTEM FOR ENERGY EFFICIENCY}
The present invention relates to an energy integration management system for energy efficiency based on micro grid solar harvesting, and more particularly, to an energy integration management system for solar energy harvesting based on solar energy harvesting, And the database of the collected climate information, it is possible to monitor and control the operation status of distributed energy in real time to economically produce electricity and to supply it stably. An integrated energy management system for energy efficiency based on solar grid harvesting .
There is growing interest in renewable energy to meet the challenges of depletion of fossil fuels and environmental protection. In addition, facility investment for renewable energy is increasing. Particularly, among the renewable energy, the generation type of solar power generation is similar to the nationwide type of power use, and the need for integrated and efficient production and maintenance of power reserve management and renewable energy is emerging.
In addition, the solar cell module, which converts pollution-free and indefinite solar energy directly into electric energy, is composed of solar panels and electronic components, so there is no mechanical vibration and noise, and the cost of operation and maintenance is minimized This is a major axis of renewable energy.
Thus, the energy harvesting used in the photovoltaic module means that the waste energy is harvested and used as electric energy to be used. Especially, efficient use of renewable energy, which is the main focus of micro grid, requires advanced management system technology of energy to be produced. On average, if you produce 130% of the amount needed for self-generation, 30% is just discarded.
Therefore, efficient utilization of renewable energy can lead to spread of supply, which can lead to increase in production of energy devices, decrease in installation cost, and maximization of energy produced.
A related prior art document is Korean Patent Registration No. 10-1278041 (published on Jun. 18, 2013), which discloses a self luminous flexible solar cell module, a manufacturing method thereof, and a rooftop greening system using the same.
It is an object of the present invention to provide a method and apparatus for diagnosing solar energy harvesting energy obtained from a plurality of solar cell modules in real time and database information of sensor information and collected climate information to monitor and control the operation status of distributed energy in real time And to provide an integrated energy management system for energy efficiency based on micro grid solar harvesting that can economically produce electricity and supply electricity stably.
According to another aspect of the present invention, there is provided an integrated energy management system for energy efficiency based on micro grid solar harvesting, comprising: a plurality of solar cell modules for converting light energy incident from the sun into electric energy; A chargeable battery data monitoring unit for storing a direct current converted by the plurality of solar cell modules; An inverter data monitoring unit for converting the direct current stored in the chargeable battery data monitoring unit into an alternating current and supplying an alternating current to the power system; A data controller for sensing a power amount and a charging amount supplied from the plurality of solar cell modules to the charging battery data monitoring unit and a power supply amount supplied from the inverter data monitoring unit to the power system; A weather information collector connected to the data controller for collecting weather information and providing weather information data to the data controller; A voltage-temperature wireless measurement sensor installed in the plurality of solar cell modules; And a data warehouse for wirelessly communicating data with the data controller through the voltage-temperature wireless measurement sensor in both directions to measure and manage the amount of power and the amount of power supplied to the plurality of solar modules and the amount of power supplied to the power system, ; And
At this time, the voltage-temperature wireless measurement sensor measures voltage, temperature, and current of each of the plurality of solar cell modules using its own power source of the plurality of solar cell modules, and transmits data to the data warehouse wirelessly.
The voltage-temperature wireless measurement sensor is mounted inside a junction box provided in the plurality of solar cell modules.
The data warehouse compares the power generation amounts of the plurality of solar cell modules, respectively, and detects the failure.
The power system includes at least one of a power plant, a substation, a transmission line, and a home.
The energy integrated management system may further include a plurality of circuit breakers mounted between the plurality of solar cell modules, a data controller, and an inverter data monitoring unit, and a plurality of circuit breakers installed between the plurality of solar cell modules and the charging battery data monitoring unit And may further include a charging regulator.
The data integration management system for energy efficiency based on the micro grid solar harvesting according to the present invention includes a micro grid solar harvesting-based energy harvesting system constructed based on a distributed energy resource of several tens kW or less, It is possible to make real-time diagnosis, sensor information and collected climate information on a database, and to build a standardized data warehouse, to optimize analysis and management of energy data, management of storage system, .
Accordingly, the energy integration management system for energy efficiency based on the micro grid solar harvesting according to the embodiment of the present invention can diagnose the solar harvesting energy obtained from a plurality of solar cell modules in real time, By database of information and collected climate information, it is possible to economically produce and steadily supply electricity by monitoring and controlling the operation status of distributed energy in real time.
Also, according to the embodiment of the present invention, the energy integrated management system for energy efficiency based on the micro grid solar harvesting is constructed by analyzing the environmental influence of solar power generation and building data warehouse, By making the climate information database, it is possible to cope with the power loss by cause.
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a diagram of an energy integrated management system for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion A in Fig. 1; Fig.
3 is a schematic diagram for explaining failure type analysis of a solar cell module of an energy integrated management system for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an energy integration management system for energy efficiency based on micro grid solar harvesting according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a view showing an energy integration management system for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention, and FIG. 2 is an enlarged view of part A of FIG.
Referring to FIGS. 1 and 2, an energy integration management system 100 for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention includes a plurality of solar battery modules 110, Unit 120, an inverter 130, a data controller 140, a weather information collector 150, a voltage-temperature radio measurement sensor 160 and a data warehouse 170.
The plurality of solar cell modules 110 are installed for the purpose of converting light energy incident from the sun into electric energy. The plurality of solar cell modules 110 may be installed by utilizing an idle space on a building, such as roofs of public buildings and public buildings, canopies of service stations, platforms of railway stations, roofs of railway stations, It is obvious that it can be installed wherever the sun comes in.
The rechargeable battery data monitoring unit 120 stores the DC current converted by the plurality of solar cell modules 110. At this time, the rechargeable battery data monitoring unit 120 converts the direct current generated from the plurality of solar cell modules 110 into the alternating current through the inverter data monitoring unit 130 by the energy harvesting, And stores the remaining electric power. In this way, by installing the data monitoring unit 120 of the rechargeable battery, the energy generated by the energy harvesting can be efficiently used.
The inverter data monitoring unit 130 is installed for the purpose of supplying the alternating current to the power system 135 by converting the direct current stored in the rechargeable battery data monitoring unit 120 into the alternating current. At this time, the power system 135 is electrically connected to the inverter data monitoring unit 130 and receives the AC current converted by the inverter data monitoring unit 130. As described above, when the alternating current converted by the inverter data monitoring unit 130 is supplied to the power system 135, the generated power, the voltage and the current are measured and transmitted wirelessly. The power system 135 includes at least one of a power plant, a substation, a transmission line, and a home.
The data controller 140 controls the amount and the amount of charge supplied from the plurality of solar cell modules 110 to the charging battery data monitoring unit 120 and the amount of charge supplied from the inverter data monitoring unit 130 to the power system 135 As shown in FIG.
The weather information collector 150 is connected to the data controller 140 and is installed for collecting weather information and providing weather information data to the data controller 140.
The voltage-temperature wireless measurement sensor 160 is installed in a plurality of solar cell modules 110. The voltage-temperature wireless measurement sensor 160 measures voltage, temperature, and current of each of the plurality of solar cell modules 110 using the power source of the plurality of solar cell modules 110, And transmits data wirelessly.
The voltage-temperature wireless measurement sensor 160 is mounted inside a junction box provided in a plurality of solar cell modules 110. Thereby, the voltage-temperature radio measurement sensor 160 can be stably protected from the external environment. At this time, the voltage-temperature radio measurement sensor 160 may use the frequency range of the band of 2000 to 2500 MHz, but is not limited thereto.
The data warehouse 170 wirelessly communicates data with the data controller 140 in both directions via the voltage-temperature radio measurement sensor 160 to determine the amount and charge of the plurality of solar modules 110 and the power system 135 For the purpose of measuring and managing the amount of power supplied to the battery.
The data warehouse 170 compares the power generation amounts of the plurality of solar cell modules 110 to detect the failure. That is, the data warehouse 170 can measure and manage the power generation amount of the plurality of solar cell modules 110, thereby realizing diagnosis and information collection of a plurality of the solar cell modules 110. The data warehouse 170 may include a failure alarm function that can report and monitor the failure of the integrated energy management system 100 in real time.
In addition, the energy integration management system 100 for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention may further include a plurality of circuit breakers 180 and a charge regulator 190.
At this time, the plurality of circuit breakers 180 are installed between the plurality of solar cell modules 110, the data controller 140, and the inverter data monitoring unit 130, respectively. The plurality of circuit breakers 180 are mounted for the purpose of protecting the circuit by tripping when an abnormality such as an overload or a short occurs. Accordingly, when an abnormality such as overload or short occurs in the plurality of solar cell modules 110, the data controller 140 and the inverter data monitoring unit 130, the plurality of circuit breakers 180 electrically isolate each other .
The charging regulator 190 is mounted between the plurality of solar cell modules 110 and the charging battery data monitoring unit 120. At this time, the charging regulator 190 controls the amount of charge and the amount of charge supplied from the plurality of solar cell modules 110 to the charging battery data monitoring unit 120, and the amount of current supplied from the inverter data monitoring unit 130 to the power system 135 And the supply amount is detected.
3 is a schematic diagram for explaining failure type analysis of a solar cell module in an energy integration management system for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention.
As shown in FIG. 3, in the case of an energy integration management system for energy efficiency based on micro grid solar harvesting according to an embodiment of the present invention, big data is collected in a data warehouse, Respectively, to detect the failure.
At this time, as a result of comparing and discriminating the power generation amount of the plurality of solar cell modules, if a failure is detected in the specific solar cell module, the repair or replacement operation is performed.
As described above, the energy integrated management system for energy efficiency based on the micro grid solar harvesting according to the embodiment of the present invention is a micro-grid built on the basis of a distributed energy resource of around several tens kW, Real-time diagnostics for energy harvesting based on grid solar photovoltaic harvesting, database of sensor information and collected climate information, optimization of energy data analysis and management through establishment of standardized data warehouse, management of storage system, power loss Can be dealt with by cause.
Accordingly, the energy integration management system for energy efficiency based on the micro grid solar harvesting according to the embodiment of the present invention can diagnose the solar harvesting energy obtained from a plurality of solar cell modules in real time, By database of information and collected climate information, it is possible to economically produce and steadily supply electricity by monitoring and controlling the operation status of distributed energy in real time.
Also, according to the embodiment of the present invention, the energy integrated management system for energy efficiency based on the micro grid solar harvesting is constructed by analyzing the environmental influence of solar power generation and building data warehouse, By making the climate information database, it is possible to cope with the power loss by cause.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. These changes and modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the present invention should be determined by the following claims.
100: Energy Integrated Management System
110: solar cell module
120: Rechargeable battery data monitoring unit
130: inverter data monitoring unit
135: Power system
140: Data controller
150: weather information collector
160: Voltage-temperature radio measurement sensor
170: Data Warehouse
180: Circuit breaker
190: Charging regulator

Claims (6)

  1. A plurality of solar cell modules for converting light energy incident from the sun into electric energy;
    A chargeable battery data monitoring unit for storing a direct current converted by the plurality of solar cell modules;
    An inverter data monitoring unit for converting the direct current stored in the chargeable battery data monitoring unit into an alternating current and supplying an alternating current to the power system;
    A data controller for sensing a power amount and a charging amount supplied from the plurality of solar cell modules to the charging battery data monitoring unit and a power supply amount supplied from the inverter data monitoring unit to the power system;
    A weather information collector connected to the data controller for collecting weather information and providing weather information data to the data controller;
    A voltage-temperature wireless measurement sensor installed in the plurality of solar cell modules; And
    A data warehouse for wirelessly communicating data with the data controller through the voltage-temperature wireless measurement sensor in both directions to measure and manage the amount of power and the amount of power supplied to the plurality of solar modules and the amount of power supplied to the power system;
    Wherein the micro grid solar harvesting-based energy integration management system for energy efficiency is provided.
  2. The method according to claim 1,
    The voltage-temperature radio measurement sensor
    Temperature and current of each of the plurality of solar cell modules is measured using the self-power of the plurality of solar cell modules, and data is transmitted to the data warehouse wirelessly, Energy Integrated Management System for Energy Efficiency.
  3. The method according to claim 1,
    The voltage-temperature radio measurement sensor
    Wherein the plurality of solar cell modules are mounted inside a junction box provided in the plurality of solar cell modules, wherein the micro grid solar harvesting-based energy integration management system for energy efficiency is installed.
  4. The method according to claim 1,
    The data warehouse
    Wherein the power generation amount of each of the plurality of solar cell modules is compared to determine whether a failure has occurred, wherein the failure detection is performed by the micro grid solar harvesting system.
  5. The method according to claim 1,
    The power system
    An integrated energy management system for energy efficiency based on micro grid solar harvesting, which includes at least one of a power plant, a substation, a transmission line and a home.
  6. The method according to claim 1,
    The energy integrated management system
    A plurality of circuit breakers respectively mounted between the plurality of solar cell modules, the data controller and the inverter data monitoring unit,
    Further comprising a charge regulator mounted between the plurality of solar cell modules and the chargeable battery data monitoring unit. The data integration management system for energy efficiency based on micro grid solar harvesting.
KR1020150098085A 2015-07-10 2015-07-10 Micro-grid solar energy havesting based energy integrated management system for energy efficiency KR20170007625A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101898144B1 (en) * 2017-03-20 2018-09-12 한양대학교 산학협력단 Method and apparatus for a task scheduling scheme in energy harvesting driven system
KR20190064782A (en) * 2017-12-01 2019-06-11 주식회사 그리너지 New regeneration energy monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101898144B1 (en) * 2017-03-20 2018-09-12 한양대학교 산학협력단 Method and apparatus for a task scheduling scheme in energy harvesting driven system
KR20190064782A (en) * 2017-12-01 2019-06-11 주식회사 그리너지 New regeneration energy monitoring system

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