KR101451009B1 - 직렬 연결된 다수 개의 전지 직류 마이크로그리드 충방전 시스템 - Google Patents
직렬 연결된 다수 개의 전지 직류 마이크로그리드 충방전 시스템 Download PDFInfo
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- 238000007600 charging Methods 0.000 title claims abstract description 86
- 238000007599 discharging Methods 0.000 title claims abstract description 66
- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
-
- 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
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/19—Switching between serial connection and parallel connection of battery modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
Description
도 2는 본 발명에 따른 직류 마이크로그리드 충방전 시스템을 개략적으로 도시한 것이다.
도 3는 본 발명에 따른 직류 마이크로그리드 충방전 시스템을 보다 구체적으로 도시한 것이다.
도 4는 본 발명에 따른 직류 마이크로그리드 충방전 시스템의 충방전 원리를 보다 구체적으로 도시한 것이다.
13; 리니어 전류전원 14; 호스트 PC
15; CPU 16; 통신 수단
17; 콘트롤러 18; 능동 밸랜스회로
19; 보호회로 20; 릴레이 제어부
21; 전압계 22; 온도계
23; 터미널 연결유니트 24; 전지
25; PWM 신호
Claims (11)
- 직렬 연결된 다수 개의 2차전지 직류 마이크로그리드 충방전 시스템에 있어서,
전지 한 개의 전압에 비하여 더 높은 전압에서 DC-DC 컨버터가 동작하도록 구성하여 충전 및 방전을 하도록 전기적으로 직렬로 연결된 다수 개의 2차 전지;
상기 직렬로 연결된 다수 개의 2차 전지에 충전 및 방전을 이룰 수 있도록 전력을 공급하기 위한 양방향 DC-DC 컨버터; 및
상기 양방향 DC-DC 컨버터 다음 단에 위치하고, 상기 직렬로 연결된 다수 개의 2차 전지의 수와 무관하게 상기 다수 개의 2차 전지에 상기 다수 개의 2차 전지의 충전 및 방전을 위한 전류를 공급하는 리니어 전류전원
으로 구성된 직류 마이크로그리드 충방전 시스템.
- 삭제
- 청구항 1에 있어서,
상기 양방향 DC-DC 컨버터의 전단에 위치하고, 상기 양방향 DC-DC 컨버터에 안정적으로 전원을 공급하고, 정전 시에도 전원을 공급할 수 있는 직류 전기저장장치를 더 부가한 직류 마이크로그리드 충방전 시스템.
- 청구항 3에 있어서,
상기 직렬로 연결된 다수 개의 2차 전지는 서로 다른 용량과 내부저항을 포함하는 서로 다른 특성을 가진 각각의 전지들을 포함하고,
상기 각각의 전지들이 동시에 충방전을 이룰 수 있도록 제어하기 위한 콘트롤러를 더 부가한 직류 마이크로그리드 충방전 시스템.
- 청구항 4에 있어서,
상기 각각의 전지들이 동시에 충전을 이룰 수 있도록 상기 콘트롤러의 제어하에서 상기 각각의 전지들에게 전류를 공급하거나 전류를 차단할 수 있는 릴레이 또는 스위칭 회로를 상기 각각의 전지들 전단에 연결 설치함을 특징으로 하는 직류 마이크로그리드 충방전 시스템.
- 청구항 3에 있어서,
상기 직렬로 연결된 다수 개의 2차 전지는 서로 다른 용량과 내부저항을 포함하는 서로 다른 특성을 가진 각각의 전지들을 포함하고,
상기 각각의 전지들이 동시에 충전을 이룰 수 있도록 제어하기 위하여 상기 각각의 전지들의 양단 전압을 측정하는 전압계 또는 절연형 전지계측부가 더 설치된 직류 마이크로그리드 충방전 시스템.
- 청구항 4에 있어서,
상기 각각의 전지들에 대한 전류계, 온도계 및 전압계로부터 입력되는 값에 기초하여 상기 각각의 전지들이 안정적으로 충전 및 방전되도록 제어하는 제어프로그램이 상기 콘트롤러에 탑재됨을 특징으로 하는 직류 마이크로그리드 충방전 시스템.
- 청구항 3에 있어서,
상기 다수 개의 2차 전지의 각각의 전지를 충방전하기 위하여 상기 각각의 전지 사이에 설치된 릴레이를 개방할 때와 개방 후 접점에 부착될 때 충방전 전류가 안정적으로 동작하고, 상기 릴레이의 내구성을 높이기 위한 보호회로를 더 구비함을 특징으로 하는 직류 마이크로그리드 충방전시스템.
- 청구항 8에 있어서,
상기 보호회로는 양방향 제너 다이오드 또는 다이오드를 포함하고, 상기 보호회로는 콘덴서 및 저항을 더 포함함으로써 상기 릴레이를 개방할 때와 개방 후 접점에 부착될 때 충방전 전류를 다음단 전지로 바이패스시키는 직류 마이크로그리드 충방전시스템.
- 청구항 4에 있어서,
상기 각각의 전지들을 정전압 모드로 충전할 때, 상기 콘트롤러에서 출력된 펄스폭 변조신호에 따라 상기 각각의 전지들의 충전전류를 개폐하거나, 상기 펄스폭 변조신호를 직류전류로 연산하여 상기 각각의 전지들의 충전전류의 일부를 소모하거나 바이패스시켜 상기 각각의 전지들을 정전압 상태에서 충전하는 능동형 밸런싱 회로를 더 구비한 직류 마이크로그리드 충방전시스템.
- 청구항 1 또는 청구항 3에 있어서,
직류 마이크로그리드 충방전 시스템은 하나의 양방향 DC-DC 컨버터와 하나의 리니어 전류전원으로 직렬 연결된 다수 개의 전지를 충방전하도록 구성된 트레이 다수 개를 동시에 제어하여 충방전할 수 있는 호스트 컴퓨터를 더 구비한 직류 마이크로그리드 충방전 시스템.
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Application Number | Priority Date | Filing Date | Title |
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KR1020130032882A KR101451009B1 (ko) | 2013-03-27 | 2013-03-27 | 직렬 연결된 다수 개의 전지 직류 마이크로그리드 충방전 시스템 |
JP2014063031A JP5959561B2 (ja) | 2013-03-27 | 2014-03-26 | 直列接続された複数の電池直流マイクログリッド充放電システム |
EP14161787.8A EP2784902A1 (en) | 2013-03-27 | 2014-03-26 | Direct current (DC) microgrid charge/discharge system for secondary batteries connected in series |
US14/226,412 US9455578B2 (en) | 2013-03-27 | 2014-03-26 | Direct current (DC) microgrid charge/discharge system for secondary batteries connected in series |
CN201410116756.2A CN104079056B (zh) | 2013-03-27 | 2014-03-26 | 串联连接的多个电池的直流微电网充放电系统 |
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KR1020130032882A KR101451009B1 (ko) | 2013-03-27 | 2013-03-27 | 직렬 연결된 다수 개의 전지 직류 마이크로그리드 충방전 시스템 |
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KR20140117923A KR20140117923A (ko) | 2014-10-08 |
KR101451009B1 true KR101451009B1 (ko) | 2014-10-15 |
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US (1) | US9455578B2 (ko) |
EP (1) | EP2784902A1 (ko) |
JP (1) | JP5959561B2 (ko) |
KR (1) | KR101451009B1 (ko) |
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Cited By (5)
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KR102262789B1 (ko) | 2020-12-29 | 2021-06-09 | (주)한빛레이저 | 전류의 단속이 없는 직렬형충방전 장치 |
KR102299482B1 (ko) | 2021-02-22 | 2021-09-07 | (주)한빛레이저 | 전류의 단속이 없는 직렬형충방전 방법 |
KR20210158115A (ko) * | 2020-06-23 | 2021-12-30 | 현대자동차주식회사 | 배터리 밸런싱 장치 및 방법 |
KR102429765B1 (ko) | 2022-02-11 | 2022-08-05 | 주식회사 원익피앤이 | 배터리 충방전 장치 |
US11996712B2 (en) | 2020-12-29 | 2024-05-28 | Hbl Corporation | Series-type charging and discharging apparatus without current interruption |
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US9455578B2 (en) | 2016-09-27 |
CN104079056A (zh) | 2014-10-01 |
CN104079056B (zh) | 2017-03-01 |
EP2784902A1 (en) | 2014-10-01 |
KR20140117923A (ko) | 2014-10-08 |
US20140292259A1 (en) | 2014-10-02 |
JP2014193111A (ja) | 2014-10-06 |
JP5959561B2 (ja) | 2016-08-02 |
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