JP6929385B2 - ハイブリッドエネルギー貯蔵システム - Google Patents
ハイブリッドエネルギー貯蔵システム Download PDFInfo
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- JP6929385B2 JP6929385B2 JP2019563426A JP2019563426A JP6929385B2 JP 6929385 B2 JP6929385 B2 JP 6929385B2 JP 2019563426 A JP2019563426 A JP 2019563426A JP 2019563426 A JP2019563426 A JP 2019563426A JP 6929385 B2 JP6929385 B2 JP 6929385B2
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- 238000004146 energy storage Methods 0.000 title claims description 80
- 238000007599 discharging Methods 0.000 claims description 20
- 230000006641 stabilisation Effects 0.000 claims description 18
- 238000011105 stabilization Methods 0.000 claims description 18
- 238000013016 damping Methods 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 7
- 238000009499 grossing Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 150000002641 lithium Chemical class 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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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
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/14—Balancing the load in a network
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- 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
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/10—Parallel operation of DC sources
-
- 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
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/10—Parallel operation of DC sources
- H02J1/12—Parallel operation of DC generators with converters, e.g. with mercury-arc rectifier
-
- 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
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- 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
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Direct Current Feeding And Distribution (AREA)
- Secondary Cells (AREA)
Description
Claims (9)
- 系統及び前記系統に連携したDC(Direct Current)配電網の電力を管理するハイブリッドエネルギー貯蔵システムにおいて、
前記DC配電網に連結された第1のDC−DCコンバータ;
前記第1のDC−DCコンバータに連結され、前記第1のDC−DCコンバータによって充放電が制御されるスーパーキャパシタ;
前記DC配電網に連結された第2のDC−DCコンバータ;及び、
前記第2のDC−DCコンバータに連結され、前記第2のDC−DCコンバータによって充放電が制御されるバッテリを含むものの、
前記第1のDC−DCコンバータは、前記DC配電網に印加された系統電圧のノイズをフィルタリングした後、ダンピング電流を生成して、前記DC配電網を安定化させるDC配電網安定化制御器を含み、
前記第1のDC−DCコンバータ及び前記第2のDC−DCコンバータを制御する上位運用システムをさらに含むものの、
前記上位運用システムは、
前記第1のDC−DCコンバータに前記スーパーキャパシタの充放電に係る電力指令を提供し、
前記第2のDC−DCコンバータに前記バッテリの充放電に係る電力指令を提供し、
前記DC配電網は、負荷と分散電源システムを含み、
前記系統と前記DC配電網の間には、前記系統のAC電圧をDC電圧に変換して、前記DC配電網に伝達するAC−DCコンバータが配置され、
前記上位運用システムは、
前記分散電源システムの出力に対するスムージング(smoothing)制御を介してエネルギー貯蔵システム指令値を計算し、
前記計算されたエネルギー貯蔵システムの指令値をフィルタリングして、前記バッテリの充放電に係る電力指令値を算出し、
前記エネルギー貯蔵システム指令値と、前記バッテリの充放電に係る電力指令値との差に基づいて、前記スーパーキャパシタの充放電に係る電力指令値を計算する、
ハイブリッドエネルギー貯蔵システム。 - 前記DC配電網安定化制御器は、
前記DC配電網に印加された前記系統電圧のノイズをフィルタリングするフィルターと、
前記系統電圧と前記ノイズがフィルタリングされた系統電圧間の電圧差に基づいて、前記ダンピング電流の関数として決定される等価ダンピング抵抗を生成する等価ダンピング抵抗部、とを含む、
請求項1に記載のハイブリッドエネルギー貯蔵システム。 - 前記第1のDC−DCコンバータは、
前記系統を分離する際、前記DC配電網の電圧を制御するDC配電網電圧制御器と、
前記スーパーキャパシタの電圧を制御するスーパーキャパシタ電圧制御器と、
前記DC配電網安定化制御器から提供された電流指令に基づいて、第1のゲートパルスを生成する第1の電流制御器をさらに含む、
請求項1に記載のハイブリッドエネルギー貯蔵システム。 - 前記第1のDC−DCコンバータは、
前記系統と前記DC配電網の連携有無を判別し、
前記系統と前記DC配電網の連携有無が判別されると、前記スーパーキャパシタの電圧が予め定めた電圧範囲内で維持されるか否かを判別し、
前記スーパーキャパシタの電圧が前記予め定めた電圧範囲の上限値又は下限値に到逹すると、前記スーパーキャパシタ電圧制御器を介して前記スーパーキャパシタの電圧制御を行って、電流指令を生成し、
前記生成された電流指令を前記DC配電網安定化制御器における生成された電流指令と合わせて最終電流指令を生成し、
前記最終電流指令に基づいて、前記第1の電流制御器を介して前記第1のゲートパルスを生成する、
請求項3に記載のハイブリッドエネルギー貯蔵システム。 - 前記第1のDC−DCコンバータは、
前記系統と前記DC配電網が連携した場合、前記上位運用システムから前記スーパーキャパシタの充放電に係る電力指令を提供され、
前記系統と前記DC配電網が分離された場合、前記DC配電網電圧制御器を介してDC配電網電圧制御モードを開始する、
請求項4に記載のハイブリッドエネルギー貯蔵システム。 - 前記第1のDC−DCコンバータは、
前記第1の電流制御器から前記第1のゲートパルスを提供される第1のゲートドライバと、
前記第1のゲートドライバにより制御される第1の半導体素子をさらに含む、
請求項3に記載のハイブリッドエネルギー貯蔵システム。 - 前記第2のDC−DCコンバータは、
前記上位運用システムから前記バッテリの充放電に係る電力指令を提供されて、前記バッテリの電圧を制御するバッテリ電圧制御器と、
前記バッテリ電圧制御器から提供された電流指令に基づいて、第2のゲートパルスを生成する第2の電流制御器と、
前記第2の電流制御器から前記第2のゲートパルスを提供される第2のゲートドライバと、
前記第2のゲートドライバにより制御される第2の半導体素子を含む、
請求項1に記載のハイブリッドエネルギー貯蔵システム。 - 前記第2のDC−DCコンバータは、
前記バッテリのSOC(State of Charge)が予め定めた安定範囲内で維持されるか否かを判別し、
前記バッテリのSOCが前記予め定めた安定範囲を外れると、前記バッテリ電圧制御器を介して前記バッテリのSOCを補償するための修正要求値を前記上位運用システムに伝達する、
請求項7に記載のハイブリッドエネルギー貯蔵システム。 - 前記バッテリは、鉛蓄電池を含む、
請求項1に記載のハイブリッドエネルギー貯蔵システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0062452 | 2017-05-19 | ||
KR1020170062452A KR102074686B1 (ko) | 2017-05-19 | 2017-05-19 | 하이브리드 에너지 저장 시스템 |
PCT/KR2017/008589 WO2018212404A1 (ko) | 2017-05-19 | 2017-08-09 | 하이브리드 에너지 저장 시스템 |
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JP2020520226A JP2020520226A (ja) | 2020-07-02 |
JP6929385B2 true JP6929385B2 (ja) | 2021-09-01 |
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US (1) | US11139675B2 (ja) |
EP (1) | EP3627648A4 (ja) |
JP (1) | JP6929385B2 (ja) |
KR (1) | KR102074686B1 (ja) |
CN (1) | CN110637403B (ja) |
WO (1) | WO2018212404A1 (ja) |
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KR102266218B1 (ko) | 2020-11-24 | 2021-06-17 | 주식회사 엠디엠 | 스마트 충방전 스위치 매트릭스 시스템 |
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2017
- 2017-05-19 KR KR1020170062452A patent/KR102074686B1/ko active Active
- 2017-08-09 EP EP17910071.4A patent/EP3627648A4/en not_active Withdrawn
- 2017-08-09 WO PCT/KR2017/008589 patent/WO2018212404A1/ko active Application Filing
- 2017-08-09 US US16/613,949 patent/US11139675B2/en active Active
- 2017-08-09 CN CN201780090972.6A patent/CN110637403B/zh active Active
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CN110637403B (zh) | 2023-08-08 |
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