TW200814481A - Emergency power supply system using fuel cell, and distributor - Google Patents

Emergency power supply system using fuel cell, and distributor Download PDF

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Publication number
TW200814481A
TW200814481A TW096106438A TW96106438A TW200814481A TW 200814481 A TW200814481 A TW 200814481A TW 096106438 A TW096106438 A TW 096106438A TW 96106438 A TW96106438 A TW 96106438A TW 200814481 A TW200814481 A TW 200814481A
Authority
TW
Taiwan
Prior art keywords
power
power supply
fuel cell
emergency
battery
Prior art date
Application number
TW096106438A
Other languages
Chinese (zh)
Other versions
TWI406466B (en
Inventor
Takuo Nishiyama
Takeru Ibuka
Yukihiro Kawaji
Original Assignee
Nippon Oil Corp
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 Nippon Oil Corp filed Critical Nippon Oil Corp
Publication of TW200814481A publication Critical patent/TW200814481A/en
Application granted granted Critical
Publication of TWI406466B publication Critical patent/TWI406466B/en

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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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M16/00—Structural combinations of different types of electrochemical generators
    • H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
    • H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04228—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during shut-down
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04303—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during shut-down
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • 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
    • H02J2300/30—The power source being a fuel cell
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/10—Applications of fuel cells in buildings
    • 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
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Fuel Cell (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention provides an emergency power supply system, which has a fuel cell system and is connected to a system power, wherein the fuel cell system can supply power to the load during outage of the system power, and the emergency power supply system includes: a distributor connected to the system power; a breaker provided between the system power and the distributor; and a secondary cell. The output power of a power conditioner provided in the fuel cell system is supplied to the distributor. When an outage of the system power is detected, the power conditioner stops the operation of the fuel cell system and sends an outage detection signal to the breaker, putting the breaker in a breaking condition, and when the breaker is in the breaking condition, the fuel cell system is activated by the secondary cell through power supplied by the distributor, and, after activation, supplies AC power to the distributor

Description

200814481 九、發明說明： 【發明所屬之技術領域】 於一 明ίτ—種利用燃料電池的緊急供電系統，特別是關 通❿為了對負载供給電力而連接系統電源使用，而在 /、 、緊心仏包糸、、充’與該等緊急供電系統所使用的配電盤。 【先前技術】 料，電力消費家庭’亦即電力需求家庭場所中，配備辦 電力’與燃料電池的電力’以供應電力消費家庭之電= 系二電力業者側設置有複數發電設 ίϊίίίΓ求家庭使用的配電設備，並確保發電Hi i為系統調運作，電力#者_該料備整體被 裔（PCS)使其頻率或f壓齡統電源 電源调節 ίίϊί力輪出線’一般會與電力消費家庭宅:二:Γ周節器 其糸統電源側的配電線連接，藉此 置之配電盤 流電力與系統電源的交流電力 ^:應燃料電池的交 圖1係表示習知電源系統4=;;，負載。 散電源連接系統電源使用。 “、、^包池所構成的分 燃料電池系統81設置作為分散雷、、原，甘 交流電力，燃料電池系、统81的輪出與配帝般料電池且輸出 亦連接純電源，並透過拥配^ 接。配電盤82. .交流電力與 200814481 1、、枓包池线81的交流電力給負载。 燃料電池系統81，j：呈備揪1 產生的直流電力轉換成交、冷、^+山魏91以及將燃料電池91所 雖未表示，惟燃料電池^雍"^出的電源調節器邮)92。圖上 LPG(液化石油氣)等錢化，其重組例如煤油或 電池本體，其利甩供給之I j的燃料亚生成氫；以及燃料 池其燃料電池本體具備分;Jf^(或，空氣>發電。典型的燃料電 於負極與正極間且氫離子能透^電極與正極’以及配置 以連接經由配 82輪；%的直流電力轉換敍流電力， 燃料電池亦即重組器_料電♦也交流電力。又’為了使 昇溫到既定溫度範圍，H ，則必触加熱器將其 泵浦動作’如是為了運轉_4雷、ϋΐ供應給重組11，則必須使 浦等各種_設備動作，；、’而必驗加熱器或泵 電源調節器92供應給轉電池。泵〉轉動作的電力，則由 轉狀態，則加熱 電力供應。然而，當燃料電池f σΡ伤九、、枓电池91的舍龟 燃料電池91尚未開始發電^身開始作動(啟動）時’因 源調節器92的交流電力作為由配電盤82輸入電 另外，當系統電源如上所動f的電力/ 電源所產生的電力不會對系錢㈣j電;^，則必須使分散 .不會對系統電源造成不良 停電事故時，應使分散電當系統電源侧發生 發生停電事故時分散電源動作’使未 源，配電Ϊ或配電網得以利用分散電源充電rti；3火ίί 作業之觸t事减錢電·復正流 電力的相位與配電線側的相位不—致可能;二源= 分散電源供應電力給錢電源側時，欲找出系統電源内故障發生 200814481 =，_°為了在系統電源側發生停電搴龄士 ，電源解除並聯，分散電源的電=it時將分散電源自 ，力供給中斷時，即應迅速測料統電源側 而要·核械開關或者是斷路器使分 =進而視 /、I电線切離。 【發明内容】 料ΐ池不受氣象條件等因素的影響，。要遣右嫉 生而系統電源持續停電以:=使；：以因彭也震等災害發 時非得停止分散雷、、原Τ §系、、先電源侧發生停雷 無法就這樣使歧用燃料電池的分散電= 若欲再次啟動該燃料電用ί ϊϊ料電池暫時停止後 作為燃料電池再啟編•心巧使用糸統辑所供給的電力， 次啟動燃料電池。又，力’^統電源停電時即無法再 中揭示，當系統電源她上國士專利公開第特開平6_223864號公報 力給燃料電池純二斷電電源裝置直接供應電 再次啟動燃料ΐίΐ3=熱=，使果浦或加熱器動作，以 對泵浦或加熱器供’雜*内容’使燃料電池系統内 熱器之，力供給“控制=構造變複雜’也使切換泵浦或加 供一種緊急供電系統’其係-種具 急用用。、V’、用，並能簡易地實行切換動作，以切換成緊 於提供該等緊急供電系統所使用的配電盤。 本^月之緊急供電系統’係—種連接系統電源並具有燃料電 200814481 池系統的緊急供鮮統，其具備 負載供給電力；斷路哭，呈#罟会，其連接系統電源並對 ί流電力轉換成交流電力並供應給配㊉般用以，自燃料電池的 電源調節器，用以將來自二_欠# =，―欠電池；以及第2 供應給配電盤Γ當第丨 二二^直〜電力轉換成交流電力並 .，源調節器使燃料電池系;停源停電時，第1 .號給斷路H，使斷路- ^ = =出停電檢測信 經由第2電源調節器利用二次電^斷開狀態時，可 系統，並僅以燃的:源停電時啟動燃料電池 系統的額定輪出有其限制、，，故^ ^應給負载。'然而，燃料電池 有緊急負載的情:;限:使細^ 負载，而在斷路哭呈：，电"、㊆動作時供應電力給兩種 額定輸出為佳。…負載的負载谷1宜少於燃料電池系統的 下，ίί停時系統電源回復的情況 並於斷路器回復到導通_後1欠狀態， 方”再設置-控制ϊ: ί=器ί; .日I之對第」以及第21源調節器產生指令。 電池為佳。’、〜糸、、'充’宜使用以石炭氫化合物為燃料的燃料 並供，係一種使燃料電池系統與系統電源連接， 負载的配電盤，其特徵為具備：母線，其連接辦料 L ί配電般出1统電源停電時所送出的信號跳成斷開狀 ,以―了將由一二人電池所輸出的直流電力轉換而得的交流 8 200814481 電力供應給母線，並可在斷路器處 供給的電力啟動燃料電池系統。 斫竭狀恶日守利用二次電池所 在將燃料電池系統連接系統電源 系統電源停電時也暫時停止燃料電池^源糸統中，本發明會在 次電池所供給的電力經由配電盤啟動^•其後，由於能利用二 料電池系統所發電力供應給負載。因此、、/士電池系統，故能將該燃 平常時連接祕電源，災铸為作急供電系統， 論在平常時或緊急時均可使用。 介马緊急用電源運轉，無 【實施方式】 其次，就本發明較佳實施形態，參照 /圖2係表7F本發明-實施形態的緊急供=之。 糸統作為分散電源連接系統親，包含;該緊急供電 出交流電力；以及配電盤14，其將系 ：池系統11，其輸 11電力供應給負載。該緊急供^系“更^含、包，，燃料電池系統 =電源侧停電時供應起動用電力給池池16，其在 调郎器（PCS)17,其使二次電池16充電，並t統=，以及電源 出的直流電力轉換歧流電力供應給 4 ―人^ I6所輸 用例如_子電池、鎳氫電池、或者是錯ϋ 16可使 々配電盤丨4具備··母線31，其連接^^ 斷路器32，其設置於連接系統電源的 3d，輪出； =33 ’其設置於母線31與二次電池16 ‘與=: 之間；以及開關34、35，其設置於母線31與的電；^周即間 32 ’在收顺燃_池_ n内之魏電猶 的停電檢測信號時，跳脫成斷開狀態（亦即斷發出 斷路器32能使母線31自動從系統電源側切^“）’換吕之， 本實施形態中，電力消費家庭宅内的負裁 作動時供給電力即可的通”載41 ;以及電士源 連糸統電源停電時也應供給電力的緊急負載42二種=常負^1 200814481 經由開關34遠接#括0 該緊急供電系统，蔣^ 4，緊急負載42經由開關35連接母線31。 流電力，經由S電_交流電力與燃料電池⑽11的交 41、42。再者，並透過同一宅内配電線，供應給各負载 會因應負载侧電池16處於充電狀態時，該緊急供電系統 利用電源調節器17"鐘^大將二次電池16所輪出的直流電力， 於燃料電池本身難 ^交流電力，也供應給各負載41、42。由 則由二次電池16供鹿1:負_急遽變化，故當負載突然增加時 電池16充電，夢并、;二，給負載，而當負載突然減少時則對二次 統運轉效率良好曰。在系統電源處於通常狀態時使該緊急供電系 燃料電池系絲η 5人. 氫的重組器與利用供^ 5/燃料電池12，其係由重組燃料以產生 體所構成；以及雷、该氫氣與氧氣（空氣)發電的燃料電池本 換成交流電力輪出;，其將燃料電池12所發直流電力轉 是天然氣體，因此該二例如煤油、LPG(液化石油氣體）或 燃料電池。重細哭二包池糸統11具有以碳氫化合物為燃料的 系統中相同^^ 電池本财使㈣圖1所枕習知電源 器92相同周的即與圖1所示習知電源系統之電源調節 具備在檢測Μ統^ 緊急供電线中’電源調節器13 將系統電源停電檢測止燃料電池系統η的動作，並 示的系統不同。又，電配電盤14的功能，此點與圖1所 可使用現在-般連接13檢測出系統電源侧停 方法。 ”、、、私源之分散電源的電源調節器所使用的 Ϊί统;=，急供電系統的動作。 通狀態，系統電源^交32、各開關33〜35閉合呈導 及二次電池16因應狀π利用令燃料電池系統11的父流電力，以 由配電盤14供應負載41用調節器換的交流電力，經 、 42。當燃料電池糸統11未啟動時， 10 200814481 由系統電源供應揪料带冰会姑 又，—欠Μ 二4书池糸、、先11的啟動電力給電源調節器13。 人一-人私池16利用電源調節器 姑恭,、,Lr 3 程度以上的找轉實卩;。雛充“，W維持-定 々系統電源停止，亦即停電。嫌承 _|J出該停電，銬後，電池糸統11的電源調節器 ^自動停止’又’因應需要使燃料電^ 以11的運 此時’二次電池16側的電源調t==配，線的切離。 電池16自動從配電盤14斷電切離。^則出停笔，並使二次 像這樣從配電盤14的母線31切雜 ，電池系統11以及二次電池16的電’，、你並停止供給燃 交流電力也停止。在該狀態下，為了使肖給負载41、42的 緊急用電源的機能，首先，應使咖二=也錢11具有作為 載41、42自配電盤14切離，接著，佶—^主斷開狀態，以使負 器Π動作，並將二次電池16的電力池16側的電源調節 電力供應給配電盤14。然後，操作=調節器17轉換成交流 U，以啟動燃料電池系統n，亦即，、=糸統11的電源調節器 開始運轉，以啟動燃料電池12。當燃料:=包池12的各辅助設備 流電力時，該直流電力經由電源調g12啟動並輸出既定直 給配電盤14的母線31，閉合連接緊心上轉換成交流電力並供庫 負載42供給交流電力。.H载42的開關35以對^ 如上所述，再次啟動燃料電池 供給交流電力。 ’、'、、1，以再對緊急負載42 其次，就系統電源恢復供電時的 14之斷路器32更靠系統電源侧的位= 乍^明之。若在比配電盤 發光的指示燈的話，則當指示燈再次點古=置以系統電源侧雷士 1時，便能知道 200814481 已經恢復供電。此時，以手動方々作 況需要使開關33斷開後，閉合‘路^，料電池系統U，因應情 31供給系統電源侧的電力。其後，’以對配電盤14的母線 閉合，33、34以回到最初説明的通人電池系統11 ’並 後’ f在系統電源恢復時再度閉人敗^，路壬斷開狀態 .通狀態，然而當閉合斷路器32雜料斷路器32呈導 .=故，當燃料電池系_動作時非停止不可。 動過程時，宜在配賴14設置防止池錢U處於該啟 次閉合的連鎖裝置。 罝防止處於吨開狀態之斷路器32再 又，雖然在上述操作順序中，姆 ，，可由操作員以手動方式^ = t電源調節器Π的操 制電路，控制該等處理程序淮=可在配電盤14内設置控 電路的緊急供電系統。丁。圖3係表示具備該等控制 圖3所示的緊急供電系統在配雷般 此點與圖2所示的緊急供電錢不設置了控制電路36， 内的斷路器32回歸導通狀能、，並制電路36可使配電盤14 =5,同時可對燃料電統===盤14内的各開關33 電池16的直流電力轉換==源_器、13，或對將二次 為了對電源調節器電源_器Π發出指令。 =用的押趣蝴關；以及^其轉換到緊急運轉 ，拉式用的押式丰」關’其係轉換到 =32斷開呈斷開狀^並^^^=電，縣上所述斷 叙ί供給停止狀態下，操作緊条運轉的、、11以及二次電池16 開關35呈⑽壯处μ _開狀恶到啟動燃料電池季餘n 王〇n散恶的上述處理。又ϋ糸統η亚使 μ緊急運轉模式時操作 12 200814481200814481 IX. Description of the invention: [Technical field to which the invention belongs] Yu Yiming, an emergency power supply system using a fuel cell, in particular, Guantong is connected to the system power supply in order to supply power to the load, and is in /, tight仏 糸 、, 充 、 and the power distribution panels used in these emergency power supply systems. [Previous technology] It is expected that the households with electricity consumption, that is, the households with electricity demand, are equipped with electricity and fuel cells for power supply to supply electricity to the households of electricity consumption. The power distribution equipment, and to ensure that the power generation Hi i for the system to adjust the operation, the power #者_ The material is prepared by the national (PCS) to make its frequency or f-age power supply power adjustment ίίϊί force round outlet 'Generally with electricity consumption Family house: 2: Γ 节 器 糸 糸 糸 糸 糸 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 电源 配电 配电 配电 配电 配电 配电 配电;,load. The bulk power supply is connected to the system power supply. The sub-fuel cell system 81 consisting of “, and ^ Baochi is set up as a distributed lightning, original, and sweet AC power. The fuel cell system and the system 81 are connected to the battery and the output is also connected to a pure power source. The power distribution is 82. The AC power is transmitted to the load with the AC power of 200814481 1, and the battery line 81. The fuel cell system 81, j: the DC power generated by the 揪1 conversion, cold, ^+ mountain Wei 91 and the fuel cell 91 are not shown, but the fuel cell battery is 92. The LPG (liquefied petroleum gas) is equalized, such as kerosene or battery body, The fuel supplied to the fuel Ij produces hydrogen; and the fuel cell has a fuel cell body with a fraction; Jf^ (or, air > power generation. A typical fuel is electrically connected between the negative electrode and the positive electrode and the hydrogen ion can penetrate the electrode and the positive electrode 'And the configuration is connected via a matching 82 rounds; % DC power is converted to the flow of electricity, and the fuel cell is also the recombiner _ material ♦ also AC power. In order to make the temperature rise to a given temperature range, H, the heater must be touched Pumping it's as it is When the operation _4 thunder and ϋΐ are supplied to the reorganization 11, it is necessary to operate various devices such as Pu, and the 'required heater or pump power regulator 92 is supplied to the battery. The pump> turns the electric power. In the state, the power supply is heated. However, when the fuel cell f σ is injured, the kitchen fuel cell 91 of the battery 91 has not started to generate electricity (starting), and the AC power of the source regulator 92 is used as the power distribution board. 82 input power In addition, when the power of the system power supply as above, the power generated by the power / power supply will not be tied to the money (4) j; ^, it must be dispersed. Will not cause a bad power outage to the system power supply, should be distributed When there is a power outage on the power supply side of the system, the decentralized power supply acts 'to enable the source, the distribution port or the distribution network to be able to use the decentralized power supply to charge rti; 3 fire ίί the touch of the operation, the phase and distribution line of the rectified power The phase of the side is not-caused; the source of the two sources = the power supply to the power supply side of the power supply, to find out the fault in the system power supply 200814481 =, _ ° in order to power out the system power supply side, the power supply In addition to parallel, the power of the decentralized power supply = it will disperse the power supply. When the power supply is interrupted, the power supply side should be quickly measured. The nuclear switch or the circuit breaker can be used to make the point = and then the I wire is cut off. [Summary of the Invention] The material pool is not affected by meteorological conditions, etc. It is necessary to send a right-handed person and the system power supply continues to be powered off: = make;: when the disaster occurs due to Peng Zhenzhen, etc. § § 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 The power supplied by the series is used to start the fuel cell. In addition, when the power supply is cut off, it can no longer be revealed. When the system power supply is used, the power supply of the fuel cell is purely powered by the power supply. The direct supply of electricity starts the fuel again. ΐίΐ3=Heat=, so that the fruit or the heater acts to supply the pump or the heater with the 'mixed* content' to make the heat supply in the fuel cell system, the force supply "control = construction becomes complicated" Also cut Pump or an emergency power supply system for adding 'system which - with species with emergencies. , V', use, and can easily perform the switching action to switch to the switchboard used to provide the emergency power supply system. The emergency power supply system of this month is a kind of connection system power supply and has the emergency supply system of the fuel system 200814481 pool system. It has the load supply power; the road is crying, and it is connected to the system power supply and the power is connected. Converted to AC power and supplied to the power supply, from the fuel cell power regulator, used to be from the second _ owed # =, ― under-battery; and the second supply to the switchboard 丨 丨 丨 ^ ^ 〜 The power is converted into AC power and the source regulator makes the fuel cell system; when the source is powered off, the first signal is given to the open circuit H, so that the open circuit - ^ = = the power failure detection signal is used by the second power regulator to use the secondary power ^ When the state is off, it can be systemized and only burned: when the source is powered off, the rated turn of the fuel cell system is limited, so the load should be given. 'However, the fuel cell has an emergency load:; limit: make the ^ load, and cry in the open circuit:, electric ", seven action to supply power to the two rated output is better. ...the load load valley 1 should be less than the fuel cell system, ίί stop system power supply recovery and the circuit breaker returns to conduction _ after 1 understate, "reset - control ϊ: ί = device ί; The day I and the 21st source regulator generate commands. The battery is better. ', ~糸,, '充充' should use the fuel of charcoal hydrogen as fuel, and it is a power distribution board that connects the fuel cell system to the system power supply, and is characterized by: busbar, which is connected to the material L ί When the power distribution is out, the signal sent by the power supply is turned off, and the AC 8 200814481 power converted from the DC power output by the one or two batteries is supplied to the bus and can be supplied at the circuit breaker. The power starts the fuel cell system. When the secondary battery is used to disconnect the fuel cell system from the system power system power supply, the fuel cell is temporarily stopped. In the present invention, the power supplied by the secondary battery is activated via the switchboard. Because the power generated by the two-cell battery system can be supplied to the load. Therefore, the / battery system, so that the burning can always be connected to the secret power supply, the disaster is cast as an emergency power supply system, can be used in normal or emergency.介 马 emergency power supply operation, no [Embodiment] Next, in accordance with a preferred embodiment of the present invention, reference is made to Figure 7F of the present invention - an emergency supply. The system is included as a decentralized power connection system; the emergency power supply is AC power; and the power distribution panel 14, which will be the pool system 11, which supplies the power to the load. The emergency supply system "further, package, and fuel cell system = supply power for the pool 16 when the power supply side is powered off, which is in the concentrator (PCS) 17, which charges the secondary battery 16, and System =, and the DC power conversion of the power supply is supplied to the four people. The I6 is used, for example, the _ sub-battery, the nickel-hydrogen battery, or the error ϋ16, so that the 々 distribution board 4 is provided with the bus bar 31. Connecting the circuit breaker 32, which is disposed on the 3d connected to the system power supply, is turned out; =33' is disposed between the bus bar 31 and the secondary battery 16' and =:; and the switches 34, 35 are disposed on the bus bar 31 And the electricity; ^ week is 32' in the collection of the power failure detection signal in the _ _ pool _ n, the trip to the disconnected state (that is, the breaker 32 is broken to enable the bus 31 automatically from the system In the present embodiment, the power supply side can be supplied with power when the power supply is reduced during the negative power supply of the power house, and the power supply should be supplied when the power supply of the electric source is disconnected. Emergency load 42 two kinds = constant negative ^1 200814481 via switch 34 remote # #0 This emergency power supply system, Jiang ^ 4, tight The emergency load 42 is connected to the bus bar 31 via the switch 35. The power is transmitted through the S-electric/AC power to the fuel cell (10) 11 at the intersection 41 and 42. Further, the same load is supplied to the load in the same house, and the load is supplied to the load. In the state of charge, the emergency power supply system utilizes the DC power of the secondary battery 16 by the power conditioner 17", and the AC battery itself is difficult to exchange power, and is also supplied to the loads 41, 42. The secondary battery 16 is provided for the deer 1: negative _ emergency change, so when the load suddenly increases, the battery 16 is charged, and the dream is; second, the load is applied, and when the load suddenly decreases, the efficiency of the secondary system is good. When the power source is in a normal state, the emergency power supply system is connected to the fuel cell system, and the hydrogen recombiner and the fuel cell 12 are composed of a recombined fuel to produce a body; and the hydrogen, the hydrogen and the oxygen The (air) power generation fuel cell is replaced by an alternating current power supply; it converts the direct current power generated by the fuel cell 12 into a natural gas, so the second is, for example, kerosene, LPG (liquefied petroleum gas) or a fuel cell. The crying two packs of the tanks 11 have the same fuel in the hydrocarbon-fueled system. (4) The same week of the conventional power supply 92 of Fig. 1 is the same as that of the conventional power supply system shown in Fig. 1. In the detection system ^ emergency power supply line 'the power regulator 13 will shut down the system power supply to detect the fuel cell system η, and the system is different. Also, the function of the electrical switchboard 14, this point can be used with Figure 1. Now, the general connection 13 detects the system power supply side stop method. ",,, the private source of the power supply regulator used by the power supply regulator; =, the operation of the emergency power supply system. In the on state, the system power supply 32, the switches 33 to 35 are closed, and the secondary battery 16 utilizes the parental power of the fuel cell system 11 in response to the π, and the AC power is exchanged by the regulator for supplying the load 41 from the switchboard 14. , by, 42. When the fuel cell system 11 is not activated, 10 200814481 is supplied by the system power supply, and the power is supplied to the power conditioner 13 by the start-up power of the first and second books. People-person private pool 16 uses the power regulator Gu Gong,,, Lr 3 or more to find the actual implementation; The younger charge ", W maintains - the power supply of the fixed system is stopped, that is, the power is cut off. The power supply _|J out of the power outage, after that, the power conditioner of the battery system 11 automatically stops 'and' need to make the fuel electricity At this time, the power supply of the secondary battery 16 is adjusted to t==, and the line is cut off. The battery 16 is automatically disconnected from the switchboard 14. The stop pen is stopped, and the secondary image is thus discharged from the switchboard 14 The bus bar 31 is cut, the battery system 11 and the battery of the secondary battery 16 are turned off, and the supply of the AC power is stopped. In this state, in order to enable the emergency power supply of the loads 41 and 42 to be performed, first , should make the coffee 2 = also money 11 has to be cut off from the switchboard 14 as the load 41, 42, then, 佶 - ^ main disconnected state, so that the negative Π action, and the secondary battery 16 on the power pool 16 side The power regulating power is supplied to the switchboard 14. Then, the operation = the regulator 17 is converted into the AC U to start the fuel cell system n, that is, the power conditioner of the system 11 starts to operate to start the fuel cell 12. When the fuel :=When the auxiliary equipment of the pool 12 flows power, the DC power is adjusted via the power supply. 12 starts and outputs the busbar 31 that is intended to be directly supplied to the switchboard 14, and the closed connection is tightly converted into AC power and supplied to the AC load 42 by the library load 42. The switch 35 of the H-loader 42 activates the fuel cell supply again as described above. AC power. ', ',, 1, to the emergency load 42. Secondly, the 14 circuit breaker 32 when the system power supply is restored depends on the system power supply side = 乍^明. If the indicator light is on the switchboard If the indicator light is again set to the system power supply side NVC 1, you will know that the power supply has been restored in 200814481. At this time, the switch 33 needs to be disconnected after the manual operation, and the battery is closed. The system U supplies power to the power supply side of the system in response to the condition 31. Thereafter, 'the busbars of the switchboard 14 are closed, 33, 34 are returned to the originally explained battery system 11' and then 'f' again when the system power is restored. Closed person defeats ^, the road is disconnected. The state is turned on. However, when the circuit breaker 32 is closed, the circuit breaker 32 is guided. = Therefore, when the fuel cell system is in motion, it is not stopped. 14 set prevention pool U is in the interlocking device that opens and closes. 罝 Prevents the circuit breaker 32 in the open state from being again, although in the above operation sequence, the operating circuit of the power regulator Π can be manually operated by the operator Control the processing procedures Huai = emergency power supply system that can set the control circuit in the switchboard 14. Figure 3 shows the emergency power supply system shown in Figure 3 with the control shown in Figure 3. The emergency power supply money is not provided with the control circuit 36, the circuit breaker 32 inside is returned to the conduction state, and the circuit 36 can make the switchboard 14 = 5, and at the same time can be used for the fuel circuit === each switch 33 in the disk 14 The DC power conversion of 16 == source_device, 13, or the second will be issued to the power regulator power supply unit. = use the fun of the butterfly; and ^ its conversion to emergency operation, the pull type used to pull the "close" 'the system is converted to =32 disconnected is broken ^ and ^ ^ ^ = electricity, the county said In the supply stop state, the operation of the tight-running, 11 and secondary battery 16 switch 35 is (10) strong, μ _ open-like, and the above-mentioned treatment of starting the fuel cell season. ϋ糸 η 亚 亚 μ μ Operation in emergency mode 12 200814481

係表示習知電源系統之構造的方塊圖。 圖。^係表示本發明—實施形態之緊急供電系統其構造的方塊 通常運轉&3 °° 然後再自] 電池系統^! 電路36， 【圖式簡單說明】 方塊Ξ。3係表示本發明另一實施形態之緊急供電源系統其構造的 【主要元件符號說明】 11燃料電池系統 12燃料電池 13電源調節器 14配電盤 16二次電池 電源調節器 31母線 32 斷路器 33開關 34開關 35開關 36控制電路 37信號線 38信號線 39配電線 41通常負載 13 200814481 42緊急負載 81燃料電池系統 82 配電盤 91燃料電池 92電源調節器A block diagram showing the construction of a conventional power supply system. Figure. ^ shows the block of the construction of the emergency power supply system of the present invention - the normal operation & 3 ° ° and then from the battery system ^! circuit 36, [simple description of the figure] block Ξ. 3 is a schematic diagram of the main components of the emergency power supply system according to another embodiment of the present invention. 11 Fuel cell system 12 Fuel cell 13 Power conditioner 14 Switchboard 16 Secondary battery power conditioner 31 Bus 32 Circuit breaker 33 Switch 34 switch 35 switch 36 control circuit 37 signal line 38 signal line 39 distribution line 41 normal load 13 200814481 42 emergency load 81 fuel cell system 82 switchboard 91 fuel cell 92 power conditioner

Claims (1)

200814481 十、申請專利範圍： 供電祕’其連接㈣魏並具有簡電池祕，其 配電盤，其連接該系統電源並對 · 第咖調節器:ίΐί;=^ 料電池的直流電力轉換成交流電°力將來自燃 二次電池；以及 供應給该配電盤； 第2電源調節器，波爽 k 流電力，並供應給該配〗盤；〜:人電池的錢電力讎成交 給該=路器，使該斷路器呈斷開狀態·亚同日守达出停電檢測信號 電源調節i所7利用由該二次電池透過該第2 料電池，^池系統’敌動後便由該燃 與V配專圍接弟丄項之緊么供電系統’其中’ 接的負載為通常負 该糸統電源於正常運作睹斟 二負載，且 電力；而在該斷路哭處於斷、：負載以及該緊急負載供給 僅對該緊急負载供=力_“下，於啟動該燃料電池系統後， 3、 如利範圍第"2項之緊急供電系統，其中， 4、 如的負載容量未達於該燃料電池系統的額定輸出。 圍第1至3項中任一項之緊急供電系統，其中， 先停料狀態時，於該系統電源復原的情況下， 統。斫路态回復到導通狀態之後，再次啟動該燃料電池系 5、 如申請專利範圍第1至3項中任-項之緊急供電系統，其中， 15 200814481 更包含一控制電路’其和 f通狀態’並對該第1以及i 2 從該斷開狀態復歸於該 6、如申請專利範圍第i至3^ H產生指令。 該燃料電池系統具有以錢化^^緊急供電系統，其中， 脊-種配電盤，其使燃料電:為燃料的燃料電池。 载供給電力，其為包含械與麵電源連接，並用以對負 ::哭其，該燃料電池系統;以及 命A I Μ，其设置於該母線與該系絲Φ、 檢測出該系統電源停電時從ί^ϊ ’並根據該燃料 就跳成斷卩餘態； 雜麵送出的 該配電盤可將由二次電池 2供應給該母線，並可在電力轉換而得的^ 8:::由供給的電力啟動該燃料電池；二於斷開狀態時利用該二 利範圍第7項之配電H 急負载- γ緊^栽供給電力。U下啟動_料電池系统後，僅 、如申„刪8項之配電盤 · 第2;: ί 5ίίϊί i與該通常負二·； 、、'产制‘其、控又制該斷:器 亚控制該第1以及第2開關開閉《^又开狀恶復歸於該導通狀態， 十 、圖式·· 16200814481 X. Patent application scope: Power supply secret 'its connection (4) Wei and has a simple battery secret, its power distribution board, which is connected to the system power supply and the third regulator: ίΐί;=^ The battery's DC power is converted into AC power Will be supplied from the secondary battery; and supplied to the switchboard; the second power conditioner, the wave-cooled k-stream power, and supplied to the disk; ~: the battery power of the battery is sold to the = road device to make the circuit breaker The device is disconnected. The same day, the same day, the power outage detection signal, the power supply adjustment, the use of the secondary battery through the second battery, the ^ pool system, the enemy is activated by the burning and V The tightness of the power supply system 'where' the load is usually negative for the system power supply in normal operation 睹斟 two loads, and the power; and the disconnection is crying, the load and the emergency load supply only for the emergency Load supply = force _ "under, after starting the fuel cell system, 3, the range of the second section of the emergency power supply system, where, 4, such as the load capacity does not reach the rated output of the fuel cell system The emergency power supply system of any one of items 1 to 3, wherein, in the case of first stopping the state, in the case where the system power is restored, the fuel cell system is restarted after the circuit state returns to the conducting state. For example, the emergency power supply system of any one of the claims 1 to 3, wherein 15 200814481 further includes a control circuit 'it and the f-pass state' and the first and the i 2 are returned from the disconnected state 6. The invention is in the form of an application for the scope of the patents i to 3^. The fuel cell system has an emergency power supply system, wherein the ridge-type distribution panel electrically supplies fuel: a fuel cell for fuel. Power, which is connected to the mechanical and surface power source, and is used to negatively:: crying, the fuel cell system; and the life AI Μ, which is set on the bus bar and the wire Φ, detects that the system power supply is out of power from ί ^ϊ 'and jumps into a broken state according to the fuel; the switchboard sent out by the miscellaneous surface can be supplied to the busbar by the secondary battery 2, and can be activated by the power supplied by ^ 8::: The fuel cell; two In the disconnected state, the power distribution H emergency load of the second benefit range - γ is used to supply power. After the U battery is started, only the power distribution board of the 8th item is selected. 5 ίίϊί i and the usual negative two ·;,, 'production system', control and system of the break: the device controls the first and second switches to open and close "^ open the evil return to the conduction state, ten, schema ·· 16
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Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101047022B1 (en) * 2008-12-24 2011-07-06 주식회사 효성 Power control method and apparatus for grid-connected fuel cell system
JP5387162B2 (en) * 2009-06-23 2014-01-15 アイシン精機株式会社 Stationary fuel cell system
WO2012165516A1 (en) * 2011-05-30 2012-12-06 京セラ株式会社 Fuel cell device
JP6108737B2 (en) * 2012-09-20 2017-04-05 大和ハウス工業株式会社 Power supply system
US9680334B2 (en) 2012-10-31 2017-06-13 Panasonic Intellectual Property Management Co., Ltd. Distribution board and battery pack
JP6167341B2 (en) * 2012-11-01 2017-07-26 日東工業株式会社 Grid interconnection system
US10497953B2 (en) 2013-01-31 2019-12-03 Panasonic Intellectual Property Management Co., Ltd. Fuel cell activation apparatus, fuel cell activation method, and fuel cell activation system
JP5892960B2 (en) * 2013-02-21 2016-03-23 東京瓦斯株式会社 Power supply system, power supply control program, and power supply control method
JP2013110130A (en) * 2013-03-07 2013-06-06 Toshiba Fuel Cell Power Systems Corp Fuel cell power generation system, and operation method thereof
KR101336042B1 (en) * 2013-08-19 2013-12-03 주식회사 나산전기산업 Emergency power system with the solar system
JP6174477B2 (en) * 2013-12-24 2017-08-02 京セラ株式会社 Power control apparatus, power control apparatus control method, and power control apparatus control program
JP6452022B2 (en) * 2014-03-05 2019-01-16 パナソニックＩｐマネジメント株式会社 Control device and fuel cell system
GB2524973A (en) 2014-04-07 2015-10-14 Intelligent Energy Ltd Power supply apparatus
JP6475945B2 (en) * 2014-09-26 2019-02-27 京セラ株式会社 Power supply device, power supply method, and power supply system
KR102220496B1 (en) * 2014-10-15 2021-02-25 삼성중공업 주식회사 Fuel cell system
JP2016110820A (en) * 2014-12-05 2016-06-20 株式会社東芝 Fuel cell system
CN106787139A (en) * 2016-12-27 2017-05-31 北京有色金属研究总院 A kind of hydrogen-preparing hydrogen-storing backup power system of fuel cell for communication base station
CN106787158A (en) * 2017-03-17 2017-05-31 中广核工程有限公司 Nuclear power plant's DC power system and method for supplying power to
JP6423497B1 (en) * 2017-08-01 2018-11-14 株式会社興和電設 Power control system and power control method
DE102019117008A1 (en) * 2019-06-25 2020-12-31 Westnetz Gmbh Procedure for operating an emergency power system and emergency power system
CN112134280A (en) * 2020-09-29 2020-12-25 武汉氢阳能源有限公司 Intelligent power grid compensation configuration system based on LOHC
JP7429910B2 (en) 2022-06-07 2024-02-09 ネクセリア東日本株式会社 power generation unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3358903B2 (en) * 1995-02-02 2002-12-24 三菱重工業株式会社 Fuel cell power supply
JPH08236134A (en) * 1995-02-23 1996-09-13 Mitsubishi Heavy Ind Ltd Power supply control device for fuel cell
JP2000184601A (en) * 1998-12-16 2000-06-30 Kansai Electric Power Co Inc:The System interconnection power unit
JP2003017096A (en) * 2001-06-29 2003-01-17 Fuji Electric Co Ltd Fuel cell power generating system having fuel switching facility and its operating method
US7250231B2 (en) * 2003-06-09 2007-07-31 Idatech, Llc Auxiliary fuel cell system
JP4251287B2 (en) 2004-01-13 2009-04-08 富士電機ホールディングス株式会社 Power supply method for self-supporting load in fuel cell power generator
JP4164050B2 (en) * 2004-07-29 2008-10-08 株式会社日立製作所 Grid interconnection device

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