KR101531291B1 - high-brid cogeneration system - Google Patents

high-brid cogeneration system Download PDF

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KR101531291B1
KR101531291B1 KR1020140058019A KR20140058019A KR101531291B1 KR 101531291 B1 KR101531291 B1 KR 101531291B1 KR 1020140058019 A KR1020140058019 A KR 1020140058019A KR 20140058019 A KR20140058019 A KR 20140058019A KR 101531291 B1 KR101531291 B1 KR 101531291B1
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heat
fuel cell
unit
generating
energy
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Korean (ko)
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손창민
하만영
윤상열
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부산대학교 산학협력단
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D10/00—District heating systems
    • 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
    • H01M8/02—Details
    • 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
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/17—District heating
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • 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
    • 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
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

The present invention, in a cogeneration system which is made to generate power and accumulate the fuel cell by circulating and connecting with a fuel cell for generating electric energy from external fuel, a turbine for collecting waste heat of the fuel cell thereby generating steam and receiving external air thereby generating steam by a compressor, a generator for generating electricity by the turbine, and a waste heat collecting unit which performs heat exchange with the energy generated by the turbine, relates to a high-efficiency hybrid energy conversion system for a complex load of electricity, heat, and cooling, which comprises: an energy storage unit made of a power conditioning unit which is electrically connected to the fuel cell and the generator for storing electric energy and a distributor which is connected to the waste heat collecting unit for storing heat by a mutual heat exchange; an electricity generating unit electrically connected to the power conditioning unit for using an electric device; a heating generating unit for exchanging heat with the distributor and using the exchanged heat with a heating device; and a cooling generating unit for exchanging heat with the distributor and using the exchanged heat with a cooling device.

Description

전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템{high-brid cogeneration system}{High-brid cogeneration system} for high-efficiency hybrid electric energy / heat /

본 발명은 하이브리드 에너지 변환 시스템에 관한 것으로, 터빈과 연료전지에 의해 생성된 에너지를 전기, 열뿐만 아니라 냉방에서도 이용할 수 있도록 구성된 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템에 관한 기술이다.The present invention relates to a hybrid energy conversion system, and relates to a high efficiency hybrid energy conversion system for electric / thermal / cooling combined load, which is configured to utilize energy generated by a turbine and a fuel cell not only in electricity but also in cooling.

가스터빈을 활용한 고효율 열병합에너지(cogeneration) 에너지 시스템은 가스터빈과 탄소산화물 연료전지(SOFC)를 병합하여 전기와 열(난방)을 생산하는 시스템이다.A high-efficiency cogeneration energy system that utilizes a gas turbine is a system that combines a gas turbine and a carbon-oxide fuel cell (SOFC) to produce electricity and heat (heating).

이와 관련된 종래 특허 문헌으로는 대한민국 등록특허 제10-0802800호의 '연료전지 발전시스템 및 방법'이 개시되어 있다.As a related patent document related thereto, Korean Patent No. 10-0802800 'fuel cell power generation system and method' is disclosed.

도 1은 종래에 따른 연료전지 발전시스템의 개략적으로 도시한 도이다.1 is a schematic view of a conventional fuel cell power generation system.

도 1을 참조하면, 외부로부터 공급되는 연료 및 물을 개질하여 수소기체를 생성하는 개질기; 외부로부터 공급받은 산소를 포함하는 기체와 상기 개질기로부터 공급받은 수소 기체를 전극에 노출시켜 전기에너지를 발생시키는 연료전지 스택; 상기 개질기 및 연료전지 스택으로부터 배출되는 반응물질 및 폐열을 회수하고, 상기 반응물질 및 폐열을 이용하여 증기를 생성하는 증기발생수단; 상기 증기발생수단으로부터 생성된 증기가 이동하는 경로 상에 구비되며, 상기 생성된 증기를 이용하여 전기 에너지를 생성하는 발전수단; 상기 연료전지 스택 및 발전수단으로부터 출력되는 전기에너지를 전력수용단으로 전송하는 전력전송수단; 상기 증기발생수단으로부터 상기 발전수단을 통해 배출되는 증기를 회수하여 저압 팽창시키는 응축기; 상기 응축기로부터 배출되는 작동 유체의 일부를 개질기로 회수하는 유체회수수단; 및 상기 응축기로부터 작동 유체를 공급받아 소정의 압력으로 압축하고, 이를 상기 증기발생수단으로 회송시키는 가압수단;을 포함하는 것을 특징으로 하여 전지와 터빈의 순환에 의한 순환에너지 사용으로 발전 효율을 높인 것이다.1, a reformer for reforming fuel and water supplied from the outside to generate hydrogen gas; A fuel cell stack for generating electric energy by exposing a gas containing oxygen supplied from the outside and hydrogen gas supplied from the reformer to an electrode; A steam generating means for recovering the reactant and waste heat discharged from the reformer and the fuel cell stack, and generating steam using the reactant and waste heat; Generating means for generating electric energy by using the generated steam, the steam generating means being provided on a path through which the steam generated from the steam generating means moves; Power transmission means for transmitting electric energy output from the fuel cell stack and the power generation means to a power receiving end; A condenser for recovering the steam discharged from the steam generating means through the power generating means to perform low pressure expansion; A fluid recovery means for recovering a part of the working fluid discharged from the condenser to a reformer; And a pressurizing unit that receives the working fluid from the condenser and compresses the pressurized fluid to a predetermined pressure, and returns the compressed fluid to the steam generating unit. The use of the circulating energy by the circulation of the battery and the turbine improves the power generation efficiency .

그러나, 종래에는 전지 및 터빈에 순환 발전에 의해 열에너지와 전기에너지를 활용할 수 있었으나, 복합적으로 에너지를 관리하고 분배하도록 하는 방법이 부족한 문제점이 있어왔다.However, conventionally, thermal energy and electric energy can be utilized by the circulation generation of the battery and the turbine, but there is a problem in that there is a lack of a method for managing and distributing the energy in a complex manner.

대한민국 등록특허 제10-0802800호Korean Patent No. 10-0802800

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 전지와 터빈에 의한 열병합발전에서 전기와 열을 이용뿐만 아니라 냉방까지 복합적으로 이용할 수 있도록 하는 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템을 제공하고자 하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems as described above, and it is an object of the present invention to provide a high efficiency hybrid energy conversion for electric / thermal / cooling combined load which can utilize not only electricity and heat but also cooling in a cogeneration power generation by a battery and a turbine System.

상기와 같은 목적을 달성하기 위하여 본 발명은 외부의 연료로부터 전기에너지를 발생되게 하는 연료전지와, 상기 연료전지의 폐열을 회수하여 증기를 발생되게 하고 외부의 에어를 공급받아 컴프레셔에 의해 증기를 발생하는 터빈과, 상기 터빈에 의해 전기를 생성하는 제네레이터와, 상기 터빈에서 발생된 에너지를 열교환되는 폐열회수기와 순환 연결하여 상기 연료전지를 축적되게 발전하도록 구성된 열병합 발전시스템에 있어서, 상기 연료전지 및 제네레이터와 전기적으로 연결되어 전기에너지를 저장하는 파워컨디셔닝과, 상기 폐열회수기와 연결되어 상호 열교환에 의해 열저장이되는 분배기로 구성된 에너지저장부; 상기 파워컨디셔닝과 전기적으로 연결되어 전기기기를 사용할 수 있는 전기생성부; 상기 분배기와 열교환되어 상호 교환된 열을 난방기기로 사용할 수 있는 난방생성부; 상기 분배기와 열교환되어 상호 교환된 열을 냉방기기에 사용할 수 있는 냉방생성부;을 포함되는 것을 특징으로 한다.According to an aspect of the present invention, there is provided a fuel cell system comprising: a fuel cell for generating electrical energy from an external fuel; a fuel cell for recovering waste heat of the fuel cell to generate steam; A generator for generating electricity by the turbine; and a cogeneration system configured to circulate the energy generated in the turbine to a waste heat recoverer to be heat-exchanged to accumulate the fuel cell, the cogeneration system comprising: And an energy storage unit connected to the waste heat recovering unit and configured to be thermally stored by mutual heat exchange; An electricity generating unit electrically connected to the power conditioning to use the electric equipment; A heating unit capable of using the heat exchanged with the distributor and exchanging heat as a heating device; And a cooling unit that can use the heat exchanged with the distributor to exchange heat with the cooling device.

상기 연료전지는, 탄소산화물 연료전지(SOFC, Solid oxide fuel cell)인 것을 특징으로 한다.The fuel cell is a carbon oxide fuel cell (SOFC).

상기 연료는, 분기되어 가스터빈 엔진, 가스 엔진 및 및 스테어링 엔진 포함하는 파워엔진에 공급되어 전기에너지를 생산하여 상기 파워컨디셔닝에 전기에너지를 저장되게 하고, 상기 파워엔진에서 발생된 폐열을 회수하여 상기 분배기로 저장되게 연결된 것을 특징으로 한다.The fuel is branched and supplied to a power engine including a gas turbine engine, a gas engine, and a staging engine to produce electrical energy to store electrical energy in the power conditioning, to recover the waste heat generated in the power engine And is connected to be stored in the distributor.

상기와 같은 구성의 본 발명에 따르면, 다음과 같은 효과를 기대할 수 있을 것이다.According to the present invention having the above-described configuration, the following effects can be expected.

우선, 전지와 터빈에 의해 얻은 에너지를 분배기로 저장하여 열과 전기뿐만 아니라 냉방도 이용할 수 있도록 하는 쓰리 제네레이션 (tri-generation) 에너지 발전시스템을 제공해줄 수 있다.First, the energy obtained by the battery and the turbine can be stored in a distributor to provide a tri-generation energy generation system that can utilize not only heat and electricity but also cooling.

도 1은 종래에 따른 연료전지 발전시스템의 개략적으로 도시한 도이다.
도 2는 본 발명의 실시예에 따른 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템의 간략 구성도이다.1 is a schematic view of a conventional fuel cell power generation system.
2 is a simplified block diagram of a high efficiency hybrid energy conversion system for electric / thermal / cooling combined load according to an embodiment of the present invention.

이하, 첨부된 도면을 참고로 본 발명의 바람직한 실시예에 대하여 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

먼저, 본 발명인 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템은 가스터빈과 탄소산화물 연료전지(SOFC)를 병합하여 가스터빈을 활용한 고효율 열병합에너지에서 전기,열 뿐만 아니라 냉방도 활용할 수 있는 것을 본 발명의 주요 요지로 하는 것이다.First, the high-efficiency hybrid energy conversion system for electric / thermal / cooling combined load of the present invention is a high efficiency hybrid energy conversion system for gas turbine and carbon oxide fuel cell (SOFC), which can utilize not only electricity, Which is a main point of the present invention.

도 2는 본 발명의 실시예에 따른 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템의 간략 구성도이다.2 is a simplified block diagram of a high efficiency hybrid energy conversion system for electric / thermal / cooling combined load according to an embodiment of the present invention.

도 2를 참조하면, 본 발명인 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템은 외부의 연료로부터 전기에너지를 발생되게 하는 연료전지(100)와, 상기 연료전지(100)의 폐열을 회수하여 증기를 발생되게 하고 외부의 에어를 공급받아 컴프레셔(220)에 의해 증기를 발생하는 터빈(200)과, 상기 터빈에 의해 전기를 생성하는 제네레이터(220)와, 상기 터빈(200)에서 발생된 에너지를 열교환되는 폐열회수기(300)와 순환 연결하여 상기 연료전지를 축적되게 발전하도록 구성된 열병합 발전시스템에 있어서, 에너지저장부(400), 난방생성부(500), 전기생성부(600) 및 냉방생성부(700)이 포함되어 이루어지게 된다.Referring to FIG. 2, the high efficiency hybrid energy conversion system for electric / thermal / cooling combined load of the present invention includes a fuel cell 100 for generating electric energy from an external fuel, A generator (220) generating electricity by the turbine (200), a generator (220) generating steam by generating steam and generating steam by a compressor (220) A heat generator 500, an electricity generator 600, and a cooling / heating unit 600. The cogeneration system includes a heat storage unit 400, a heating unit 500, an electricity generation unit 600, And a part 700 is included.

먼저, 터빈(200)과 연료전지(100)를 이용한 열병합시스템의 기술을 간단히 설명하면 다음과 같다. First, the technology of the cogeneration system using the turbine 200 and the fuel cell 100 will be briefly described as follows.

열병합시스템은 연료는 탄소석출이 쉬운 연료로 고차 탄화수소를 예비 개질시킨 후에 발전모듈로 보내어, 내부 개질반응과 발전반응이 동시에 일어나 직류 전기출력을 발생하며, 인버터를 거쳐서 교류 전력으로 변환 이용된다. 발전모듈의 배 가스는 온도가 매우 높아서 회수하여 고압증기나 온수로서 열 이용할 수 있다. In the cogeneration system, the fuel is pre-reformed as a fuel with easy carbon deposition, and then sent to the power generation module. The internal reforming reaction and the power generation reaction occur at the same time to generate the DC electric output, and the converted AC power is used through the inverter. The exhaust gas of the power generation module is very high in temperature and can be recovered and used as high-pressure steam or hot water.

그리고, 가스터빈복합발전 시스템에서는 상기 연료전지(100)는 탄소산화물 연료전지(SOFC, Solid oxide fuel cell)인 것을 특징으로 하고, SOFC를 가압 운전하여 발전모듈에서 이용이 끝난 배 연료와 배 공기로서 가스터빈을 구동시켜 2단계로 발전하는 것으로서 효율이 매우 높다.In addition, in the gas turbine combined cycle power generation system, the fuel cell 100 is a carbon oxide fuel cell (SOFC), and the SOFC is operated in a pressurized operation, The efficiency of the gas turbine is very high because it is developed in two stages by driving the gas turbine.

열병합 발전시스템에 대해서는 통상적인 것으로 이만 생략하기로 하고 열병합 발전시스템에 대해 본 발명에서 추구하고자 하는 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환을 위해 에너지저장부(400), 난방생성부(500), 전기생성부(600) 및 냉방생성부(700)가 구비되는 것에 대해 설명하기로 하겠다.In the cogeneration system, the energy storage unit 400, the heating generator 500, and the generator 500 are connected to the cogeneration system for high efficiency hybrid energy conversion for electric / thermal / ), An electric generating unit 600, and a cooling generating unit 700 will be described.

상기 에너지저장부(400)는 상기 연료전지(100)와 터빈(200) 및 제네레이터(220)에서 얻어진 에너지를 전기와 열 에너지별로 각각 파워컨디셔닝(440)과 분배기(420)로 구성되어 에너지를 저장할 수 있게 된다.The energy storage unit 400 stores the energy obtained from the fuel cell 100, the turbine 200, and the generator 220 by the power conditioning unit 440 and the distributor 420 for each electric and thermal energy, respectively. .

상세하게 상기 에너지저장부(400)는 상기 연료전지(100) 및 제네레이터(220)와 전기적으로 연결되어 전기에너지를 저장하는 파워컨디셔닝(440)과, 상기 폐열회수기(300)와 연결되어 상호 열교환에 의해 열저장이되는 분배기(420)로 구성되게 된다.The energy storage unit 400 includes a power conditioning unit 440 that is electrically connected to the fuel cell 100 and the generator 220 to store electric energy and a power conditioning unit 440 that is connected to the waste heat recovery unit 300, And a distributor 420 for storing heat.

그리고, 에너지저장부(400)에 의해 전기생성부(600), 난방생성부(500), 및 냉방생성부(700)로 에너지를 이용할 수 있다.The energy storage unit 400 can use energy for the electricity generation unit 600, the heating generation unit 500, and the cooling generation unit 700.

먼저, 상기 전기생성부(600)는 상기 파워컨디셔닝(440)에 저장된 전기에너지를 전기저장조와 연결되어 각종 전기기기에 사용할 수 있다.First, the electricity generating unit 600 may use the electric energy stored in the power conditioning unit 440 in connection with an electric storage tank for various electric devices.

그리고, 에너지저장부(400)의 분배기(420)는 난방생성부(500)과 냉방생성부(700)로 에너지를 분배할 수 있는 것이다.The distributor 420 of the energy storage unit 400 can distribute the energy to the heating generator 500 and the cooling generator 700.

상기 난방생성부(500)는 상기 분배기(420)와 열교환되게 연결되어 열을 발생하는 난방기기에 활용할 수 있다.The heating unit 500 may be connected to the distributor 420 in a heat-exchanged manner and used as a heating device for generating heat.

또한, 난방생성부(500)에는 별도의 축열조를 설치하여 상기 분배기로 부터 받은 열을 일부저장하여 난방기기와 분배기 열교환시 부족한 열을 공급할 수 있다. In addition, the heat generator 500 may be provided with a separate heat storage tank to store a part of the heat received from the distributor, thereby supplying a shortage of heat during heat exchange between the heating device and the distributor.

그리고, 상기 냉방생성부(700)는 상기 분배기(420)와 열교환되어 열교환에 의해 냉기를 생산하여 냉방에 활용할 수 있다.In addition, the cooling unit 700 can heat-exchange with the distributor 420 to produce cold air by heat exchange and utilize it for cooling.

한편, 상기 연료전지(100)는, 생산된 전기를 저장하는 파워 컨디셔닝 시스템(440)에 저장되어 상기 전기생성부(600)에 전달되게 연결되는 것을 특징으로 한다.The fuel cell 100 is connected to the electricity generation unit 600 by being stored in a power conditioning system 440 for storing generated electricity.

상기 연료는, 분기되어 일부는 연료전지에 공급하고, 일부는 가스터빈 엔진, 가스 엔진 및 및 스테어링 엔진 포함하는 파워엔진에 공급되어 전기에너지를 생산하여 상기 파워컨디셔닝에 전기에너지를 저장되게 하고, 상기 파워엔진에서 발생된 폐열을 회수하여 상기 분배기로 저장되게 연결된 것을 특징으로 하여 에너지 시스템 운영을 전력의 수요에 따라 더욱 유연하게 할 수 있다.
The fuel is supplied to a power engine including a gas turbine engine, a gas engine, and a staging engine to supply electrical energy to the electric power storage, And the waste heat generated in the power engine is recovered and stored in the distributor so that the operation of the energy system can be made more flexible according to the demand of electric power.

이상과 같이 본 발명은 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템을 제공하는 것을 기본적인 기술적인 사상으로 하고 있음을 알 수 있으며, 이와 같은 본 발명의 기본적인 사상의 범주내에서, 당업계의 통상의 지식을 가진 자에게 있어서는 다른 많은 변형이 가능함은 물론이다.As described above, it can be seen that the present invention provides a high efficiency hybrid energy conversion system for electric / thermal / cooling hybrid loading as a basic technical idea. Within the scope of the basic idea of the present invention, Of course, many other variations are possible for those of ordinary skill in the art.

100: 연료전지 200: 터빈
220: 제네레이터 300: 폐열회수기
400: 에너지저장부 420: 파워컨디셔닝
440: 분배기 500: 난방생성부
600: 전기생성부 700: 냉방생성부100: Fuel cell 200: Turbine
220: Generator 300: Waste heat recovery machine
400: Energy storage unit 420: Power conditioning
440: distributor 500: heating generator
600: electricity generation unit 700: cooling generation unit

Claims (3)

외부의 연료로부터 전기에너지를 발생되게 하는 연료전지와, 상기 연료전지의 폐열을 회수하여 증기를 발생되게 하고 외부의 에어를 공급받아 컴프레셔에 의해 증기를 발생하는 터빈과, 상기 터빈에 의해 전기를 생성하는 제네레이터와, 상기 터빈에서 발생된 에너지를 열교환되는 폐열회수기와 순환 연결하여 상기 연료전지를 축적되게 발전하도록 구성된 열병합 발전시스템에 있어서,
상기 연료전지 및 제네레이터와 전기적으로 연결되어 전기에너지를 저장하는 파워컨디셔닝과, 상기 폐열회수기와 연결되어 상호 열교환에 의해 열저장이되는 분배기로 구성된 에너지저장부;
상기 파워컨디셔닝과 전기적으로 연결되어 전기기기를 사용할 수 있는 전기생성부;
상기 분배기와 열교환되어 상호 교환된 열을 난방기기로 사용할 수 있는 난방생성부;
상기 분배기와 열교환되어 상호 교환된 열을 냉방기기에 사용할 수 있는 냉방생성부;을 포함되는 것을 특징으로 하는 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템.1. A fuel cell system comprising: a fuel cell for generating electric energy from an external fuel; a turbine for recovering waste heat of the fuel cell to generate steam and generating external air by a compressor to generate electricity; A cogeneration system for circulating and connecting the energy generated from the turbine to a waste heat recoverer to be heat-exchanged to accumulate the fuel cell, the cogeneration system comprising:
An energy storage unit including a power conditioning unit electrically connected to the fuel cell and the generator to store electric energy, and a distributor connected to the waste heat recovery unit and thermally stored by mutual heat exchange;
An electricity generating unit electrically connected to the power conditioning to use the electric equipment;
A heating unit capable of using the heat exchanged with the distributor and exchanging heat as a heating device;
And a cooling unit that can heat-exchange the heat exchanged with the distributor and use the exchanged heat for the cooling device. 제1항에 있어서,
상기 연료전지는,
탄소산화물 연료전지(SOFC, Solid oxide fuel cell)인 것을 특징으로 하는 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템.The method according to claim 1,
The fuel cell includes:
Wherein the fuel cell is a carbon oxide fuel cell (SOFC). 제1항에 있어서,
상기 연료는,
분기되어 가스터빈 엔진, 가스 엔진 및 스테어링 엔진을 포함하는 파워엔진에 공급되어 전기에너지를 생산하여 상기 파워컨디셔닝에 전기에너지를 저장되게 하고, 상기 파워엔진에서 발생된 폐열을 회수하여 상기 분배기로 저장되게 연결된 것을 특징으로 하는 전기/열/냉방 복합 부하용 고효율 하이브리드 에너지 변환 시스템.The method according to claim 1,
The fuel,
And is supplied to a power engine including a gas turbine engine, a gas engine, and a staging engine to generate electrical energy to store electric energy in the power conditioning, to recover waste heat generated in the power engine, Wherein the electric energy is supplied to the electric energy storage device.
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