KR20160098693A - Energy storage system with compact structure - Google Patents

Energy storage system with compact structure Download PDF

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Publication number
KR20160098693A
KR20160098693A KR1020150020593A KR20150020593A KR20160098693A KR 20160098693 A KR20160098693 A KR 20160098693A KR 1020150020593 A KR1020150020593 A KR 1020150020593A KR 20150020593 A KR20150020593 A KR 20150020593A KR 20160098693 A KR20160098693 A KR 20160098693A
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South Korea
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energy
battery
energy storage
storage system
power
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KR1020150020593A
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Korean (ko)
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김상민
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주식회사 동신이엔텍
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
    • 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
    • H02S40/30—Electrical components
    • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
    • 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
    • Y02E10/566—
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y02E60/722—
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • Y02E70/40—

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention is to provide an energy storage system, which comprises: an MPPT receiving energy generated from PV power as a power generation source; a battery storing the energy; an inverter module converting DC power into AC power; and a BMS module controlling the battery such that the energy transmitted to the MPPT is efficiently charged in the battery. The BMS module and the inverter module are integrated into a single unit. Therefore, the energy storage system according to the present invention can have a more compact structure in comparison with a structure of conventional energy storage systems, thereby facilitating usage and transportation.

Description

컴팩트한 구성을 가진 에너지 저장 시스템{ENERGY STORAGE SYSTEM WITH COMPACT STRUCTURE}[0001] ENERGY STORAGE SYSTEM WITH COMPACT STRUCTURE [0002]

본 발명은 외부 전원을 저장하여 부하에 전원을 공급하는 컴팩트한 구성을 가진 에너지 저장 시스템에 관한 것이다.
The present invention relates to an energy storage system having a compact configuration for storing external power and supplying power to a load.

최근 화석 에너지를 대체하기 위한 연구가 활발히 진행되고 있다. 자연 친화적 에너지 사용을 위하여 신 재생에너지 산업, 에너지 효율 향상을 위한 에너지의 분배 및 저장 산업이 각광받고 있다. 최근 이슈가 되는, 스마트 그리드도 에너지 효율 향상을 위한 분야에 해당한다. 에너지를 효율적으로 사용하기 위해선, 에너지 사용의 장소, 시간 등의 수요 패턴에 대한 분석이 필요하고, 수요 패턴을 고려하여 에너지를 분배하는 것이 스마트 그리드의 핵심이라고 할 수 있다.Recently, researches to replace fossil energy have been actively conducted. For the use of environmentally friendly energy, the renewable energy industry and the energy distribution and storage industry for energy efficiency are attracting attention. A recent issue, the Smart Grid, is also an area for energy efficiency enhancement. In order to use energy effectively, it is necessary to analyze demand patterns such as place and time of energy use, and distribution of energy considering demand pattern is core of smart grid.

수요 패턴에 따라서 에너지를 분배하기 위해서는 생산된 에너지를 저장할 수 있는 장소가 필요하다. 따라서, 에너지 저장 시스템은 에너지의 효율적인 사용을 위해 매우 중요한 역할을 차지하고 있다.
In order to distribute the energy according to the demand pattern, a place is needed to store the produced energy. Therefore, the energy storage system plays a very important role for efficient use of energy.

대한민국 등록특허 제10-1156533호 "에너지 저장 시스템 및 이의 제어 방법"(2012. 6. 8. 등록)Korean Registered Patent No. 10-1156533 "Energy Storage System and Control Method thereof" (registered on June 8, 2012)

본 발명은 상기와 같은 종래의 에너지 저장 시스템의 구조가 보다 컴팩트하게 설계되어 사용 및 운반 등이 간편한 에너지 저장 시스템을 제공하고자 한다.
SUMMARY OF THE INVENTION The present invention provides an energy storage system in which the structure of the conventional energy storage system is designed to be more compact and easy to use and transport.

상기의 과제를 해결하기 위하여 본 발명은, 전력 생산원인 PV Power로부터 생산된 에너지를 전달받는 MPPT, 에너지를 저장하는 배터리, DC 전원을 AC 전원으로 변환하는 인버터 모듈, 상기 MPPT로 전달된 에너지가 효율적으로 상기 배터리에 충전될 수 있도록 상기 배터리를 제어하는 BMS 모듈을 포함하여 이루어지며, 상기 BMS 모듈과 상기 인버터 모듈은 통합되어 단품 형태로 제작되는 것을 특징으로 한다.
According to an aspect of the present invention, there is provided a power module for a vehicle, including: an MPPT that receives energy generated from a PV power source, a battery that stores energy, an inverter module that converts a DC power source to an AC power source, And a BMS module for controlling the battery so as to be charged in the battery. The BMS module and the inverter module are integrated into a single product.

상기와 같이 본 발명은, 종래의 에너지 저장 시스템의 구조에 비하여 보다 컴팩트한 구조를 가지게 되어 사용 및 운반 등이 간편한 에너지 저장 시스템을 제공하게 된다.
As described above, the present invention provides an energy storage system having a more compact structure than that of the conventional energy storage system and being easy to use and transport.

도 1은 본 발명의 일 실시예에 의한 에너지 저장 시스템의 계통도.1 is a schematic diagram of an energy storage system according to an embodiment of the present invention;

아래에서는 첨부한 도면을 참조하여 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 본 발명의 실시예를 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. 그리고 도면에서 본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 유사한 부분에 대해서는 유사한 도면 부호를 부여하였다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention in the drawings, portions not related to the description are omitted, and like reference numerals are given to similar portions throughout the specification.

명세서 전체에서, 어떤 부분이 어떤 구성요소를 "포함"한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성요소를 제외하는 것이 아니라 다른 구성요소를 더 포함할 수 있는 것을 의미한다.Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

도 1은 본 발명의 일 실시예에 의한 에너지 저장 시스템의 계통도이다.1 is a block diagram of an energy storage system according to an embodiment of the present invention.

PV Power는 태양광 모듈 등을 의미하며, 전기에너지를 생산하는 전력 생산원을 의미한다. 즉 PV Power는 태양광은 물론이며, 풍력, 소수력 등의 전력 생산원일 수도 있다.PV Power means a solar module, etc., and means a power generation source that produces electrical energy. In other words, PV power can be a source of electricity such as wind power and small power as well as solar power.

PV Power에서 생산된 에너지는 MPPT로 전달되어 BMS 모듈의 제어에 따라 배터리에서 충전할 수 있는 최고의 전력을 찾아 충전지인 배터리에 충전된다.The energy generated by the PV power is transferred to the MPPT and charged to the rechargeable battery by finding the highest power that can be charged from the battery under the control of the BMS module.

배터리는 총 8개의 셀로 구성되어 있으며, 배터리는 BMS 모듈을 통하여 제어된다.The battery is composed of 8 cells in total, and the battery is controlled through the BMS module.

배터리를 제어하는 BMS 모듈은 배터리를 모니터링하기 위한 LCD 모듈을 더 포함하고 있다. 즉 BMS 모듈에 의한 배터리의 모니터링은 실시간으로 LCD 모듈에 표시된다.The BMS module for controlling the battery further includes an LCD module for monitoring the battery. That is, the monitoring of the battery by the BMS module is displayed on the LCD module in real time.

또한 BMS 모듈은, 개별적인 전압을 제어하고, 전압을 일정하게 유지시키며, 배터리의 수명을 늘려주며, 자연방전 등의 상황이 일어날 때 실시간으로 제어를 할 수 있다.In addition, the BMS module can control individual voltages, maintain a constant voltage, increase battery life, and control in real time as natural discharges occur.

이렇게 배터리에 충전된 에너지는 BMS 모듈의 제어을 받는 인버터 모듈을 통하여 DC에서 AC로 변환되어 부하에 공급된다.
The energy stored in the battery is converted from DC to AC through the inverter module controlled by the BMS module and supplied to the load.

이와 같은 본 실시예는 BMS 모듈과 인버터 모듈이 컴팩트하게 단품 형태로 통합되어 제작되어 기존의 ESS 대비하여 그 크기가 현저히 작아지고 사용 및 운반 등이 간편하다는 장점을 가지게 된다.
In this embodiment, the BMS module and the inverter module are compactly integrated into a single product, and the size of the BMS module and the inverter module is significantly smaller than that of the conventional ESS, and it is easy to use and transport.

전술한 본 발명의 설명은 예시를 위한 것이며, 본 발명이 속하는 기술분야의 통상의 지식을 가진 자는 본 발명의 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 쉽게 변형이 가능하다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것일 뿐 한정적이 아닌 것으로 이해되어야만 한다. 예를 들어, 단일형으로 설명되어 있는 각 구성 요소는 분산되어 실시될 수도 있으며, 마찬가지로 분산된 것으로 설명되어 있는 구성 요소들도 결합된 형태로 실시될 수 있다.It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the embodiments described above are intended to be illustrative, but not limiting, in all respects. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위에 의하여 나타내어지며, 특허청구범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

Claims (1)

전력 생산원인 PV Power로부터 생산된 에너지를 전달받는 MPPT, 에너지를 저장하는 배터리, DC 전원을 AC 전원으로 변환하는 인버터 모듈, 상기 MPPT로 전달된 에너지가 효율적으로 상기 배터리에 충전될 수 있도록 상기 배터리를 제어하는 BMS 모듈을 포함하여 이루어지며, 상기 BMS 모듈과 상기 인버터 모듈은 통합되어 단품 형태로 제작되는 것을 특징으로 하는 에너지 저장 시스템.A battery for storing energy; an inverter module for converting a DC power source to an AC power source; an inverter module for converting the energy delivered to the MPPT into the battery so that the energy can be efficiently charged into the battery; Wherein the BMS module and the inverter module are integrated and fabricated in a single product form.
KR1020150020593A 2015-02-11 2015-02-11 Energy storage system with compact structure KR20160098693A (en)

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Publication number Priority date Publication date Assignee Title
KR101156533B1 (en) 2009-12-23 2012-07-03 삼성에스디아이 주식회사 Energy storage system and method for controlling thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101156533B1 (en) 2009-12-23 2012-07-03 삼성에스디아이 주식회사 Energy storage system and method for controlling thereof

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