JPH08287931A - Fuel cell power generation equipment - Google Patents
Fuel cell power generation equipmentInfo
- Publication number
- JPH08287931A JPH08287931A JP7082203A JP8220395A JPH08287931A JP H08287931 A JPH08287931 A JP H08287931A JP 7082203 A JP7082203 A JP 7082203A JP 8220395 A JP8220395 A JP 8220395A JP H08287931 A JPH08287931 A JP H08287931A
- Authority
- JP
- Japan
- Prior art keywords
- oxygen concentration
- fuel cell
- exhaust gas
- control
- rotation speed
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
- Fuel Cell (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、溶融炭酸塩型燃料電池
を用いた燃料電池発電設備に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel cell power generation facility using a molten carbonate fuel cell.
【０００２】[0002]
【従来の技術】溶融炭酸塩型燃料電池は、高効率、かつ
環境への影響が少ないなど、従来の発電装置にはない特
徴を有しており、水力・火力・原子力に続く発電システ
ムとして注目を集め、現在世界各国で鋭意研究開発が行
われている。特に天然ガスを燃料とする溶融炭酸塩型燃
料電池を用いた発電設備では、図３に示すように天然ガ
ス等の燃料ガス１を水素を含むアノードガス２に改質す
る改質器１０と、アノードガス２と酸素を含むカソード
ガス３とから発電する燃料電池１１とを備えており、改
質器で作られたアノードガス２は燃料電池に供給され、
燃料電池内でその大部分（例えば８０％）を消費した
後、アノード排ガス４として改質器の燃焼室Ｃｏに供給
される。改質器１０ではアノード排ガス中の可燃成分
（水素、一酸化炭素、メタン等）がカソード排ガスによ
り燃焼し、高温の燃焼ガスにより改質室Ｒｅを加熱し改
質室の燃料を改質する。改質室を出た燃焼排ガス５は空
気予熱器１３ｂ、凝縮器１６ａ、気水分離器１５を通っ
て水分を除去され、低温ブロア１７ｃで加圧され、ター
ビン圧縮機１２から供給される加圧空気６と合流してカ
ソードガス３となり、燃料電池のカソード側に必要な二
酸化炭素を供給する。燃料電池内でその一部が反応した
カソードガス（カソード排ガス７）は、高温ブロア１７
ｂにより燃料電池の上流側に一部が循環され、残りの一
部７ａは改質器に燃焼用空気として供給され、残り７ｂ
はタービン圧縮機１２で圧力を回収されて系外に排出さ
れる。なお、図３において、１３ａは燃料予熱器、１４
は脱硫器、１６ｂは加熱器、１７ｄは空気ブロアであ
る。2. Description of the Related Art Molten carbonate fuel cells have characteristics that conventional power generators do not have, such as high efficiency and little impact on the environment, and they are attracting attention as a power generation system following hydropower, thermal power, and nuclear power. Is currently being researched and developed all over the world. Particularly in a power generation facility using a molten carbonate fuel cell using natural gas as a fuel, a reformer 10 for reforming a fuel gas 1 such as natural gas into an anode gas 2 containing hydrogen as shown in FIG. A fuel cell 11 for generating power from an anode gas 2 and a cathode gas 3 containing oxygen is provided, and the anode gas 2 produced by the reformer is supplied to the fuel cell,
After consuming most (for example, 80%) in the fuel cell, it is supplied to the combustion chamber Co of the reformer as the anode exhaust gas 4. In the reformer 10, combustible components (hydrogen, carbon monoxide, methane, etc.) in the anode exhaust gas are burned by the cathode exhaust gas, and the high temperature combustion gas heats the reforming chamber Re to reform the fuel in the reforming chamber. The combustion exhaust gas 5 that has exited the reforming chamber has its water content removed through the air preheater 13b, the condenser 16a, and the steam separator 15, and is pressurized by the low temperature blower 17c and supplied from the turbine compressor 12. It joins with the air 6 to become the cathode gas 3, and supplies necessary carbon dioxide to the cathode side of the fuel cell. The cathode gas (cathode exhaust gas 7), a part of which has reacted in the fuel cell, is the high temperature blower 17
b, a part is circulated upstream of the fuel cell, the remaining part 7a is supplied to the reformer as combustion air, and the remaining part 7b
The pressure is recovered by the turbine compressor 12 and discharged to the outside of the system. In FIG. 3, 13a is a fuel preheater, and 14 is a fuel preheater.
Is a desulfurizer, 16b is a heater, and 17d is an air blower.
【０００３】[0003]
【発明が解決しようとする課題】かかる従来の燃料電池
発電設備では、改質器１０から出る燃焼排ガス５の酸素
濃度を、十分低い濃度（例えば約３％）に制御する必要
がある。このため、従来は、図４に示すように、低温ブ
ロア１７ｃを一定回転数で回転し、その下流側に設けた
流量調節弁１９ａにより燃焼排ガス５の循環流量を調節
して、燃焼排ガス５の酸素濃度Ｏ2 を制御し、同時に余
分な燃焼排ガス５を流量調節弁１９ｂにより低温ブロア
１７ｃの上流側に戻して低温ブロア１７ｃの吐出圧Ｐを
一定に制御していた。In such a conventional fuel cell power generation facility, it is necessary to control the oxygen concentration of the combustion exhaust gas 5 emitted from the reformer 10 to a sufficiently low concentration (for example, about 3%). For this reason, conventionally, as shown in FIG. 4, the low temperature blower 17c is rotated at a constant rotation speed, and the circulation flow rate of the combustion exhaust gas 5 is adjusted by the flow rate control valve 19a provided on the downstream side of the low temperature blower 17c. The oxygen concentration O 2 was controlled, and at the same time, the excess combustion exhaust gas 5 was returned to the upstream side of the low temperature blower 17c by the flow rate control valve 19b, and the discharge pressure P of the low temperature blower 17c was controlled to be constant.
【０００４】すなわち、図３の設備において、流量調節
弁１９ａを開いて燃焼排ガス５の循環流量を増加させる
と、改質器１０を介して吸引されるカソード排ガス７ａ
の流量が増加し、全体として循環流量が増大するため燃
焼排ガス５の酸素濃度も増大し、逆に流量調節弁１９ａ
を閉じると、カソード排ガス７ａの流量が減少し酸素濃
度も低下するので、流量調節弁１９ａと流量調節弁１９
ｂにより燃焼排ガス５の酸素濃度を制御することができ
る。That is, in the equipment shown in FIG. 3, when the flow control valve 19a is opened to increase the circulation flow rate of the combustion exhaust gas 5, the cathode exhaust gas 7a sucked through the reformer 10 is introduced.
Of the combustion exhaust gas 5 increases, and the oxygen concentration of the combustion exhaust gas 5 also increases, and conversely, the flow control valve 19a increases.
Closed, the flow rate of the cathode exhaust gas 7a decreases and the oxygen concentration also decreases. Therefore, the flow rate control valve 19a and the flow rate control valve 19
The oxygen concentration of the combustion exhaust gas 5 can be controlled by b.
【０００５】しかし、かかる従来の手段では、燃焼排ガ
ス５の酸素濃度を制御するために、２つの弁１９ａ，１
９ｂと酸素濃度計及び圧力計を用い、かつ濃度による流
量制御と圧力制御を行う必要があるため、制御が複雑で
ある問題点があった。また３つの機器（２つの流量調節
弁と低温ブロア）を運転するためプラントの運転性向上
の弊害となり、かつ発電設備全体のコスト低減、コンパ
クト化、シンプル化に反する要因となっていた。However, in such conventional means, in order to control the oxygen concentration of the combustion exhaust gas 5, two valves 19a, 1
9b and an oxygen concentration meter and a pressure gauge are used, and it is necessary to perform flow rate control and pressure control depending on the concentration, so that there is a problem that the control is complicated. In addition, since three devices (two flow rate control valves and a low temperature blower) are operated, this is a detrimental factor in improving the operability of the plant, and is a factor against the cost reduction, compactness and simplification of the entire power generation equipment.
【０００６】本発明はかかる問題点を解決するために創
案されたものである。すなわち、本発明の目的は、単一
機器の運転により、改質器に供給するカソード排ガスの
酸素濃度を制御することができ、これにより発電設備全
体のコスト低減、コンパクト化、シンプル化が可能とな
る燃料電池発電設備を提供することにある。The present invention was devised to solve such problems. That is, the object of the present invention is to control the oxygen concentration of the cathode exhaust gas supplied to the reformer by operating a single device, which enables cost reduction, compactness, and simplification of the entire power generation facility. To provide a fuel cell power generation facility.
【０００７】[0007]
【課題を解決するための手段】本発明によれば、水分を
除去した燃焼排ガスを加圧して燃料電池のカソード側に
供給する低温ブロアと、燃焼排ガス中の酸素濃度を計測
する酸素濃度計と、低温ブロアの回転速度を制御する制
御装置とを備え、燃料電池の出力指令ｘと計測された酸
素濃度Ｏ2 から燃焼排ガス中の酸素濃度が所定の範囲に
なるように低温ブロアの回転速度を制御する、ことを特
徴とする燃料電池発電設備が提供される。According to the present invention, a low temperature blower for pressurizing the combustion exhaust gas from which water has been removed and supplying it to the cathode side of the fuel cell, and an oxygen concentration meter for measuring the oxygen concentration in the combustion exhaust gas are provided. A control device for controlling the rotation speed of the low temperature blower, and adjusts the rotation speed of the low temperature blower so that the oxygen concentration in the combustion exhaust gas is within a predetermined range from the output command x of the fuel cell and the measured oxygen concentration O 2. There is provided a fuel cell power generation facility characterized by controlling.
【０００８】本発明の好ましい実施例によれば、前記制
御装置による制御は、先行制御と補正制御とからなり、
先行制御は、出力指令ｘからこれに対応する回転速度Ｒ
ＰＭを関数Ｆ1 （ｘ）により算出するステップＳ１と、
直前の修正回転速度ΔＲＰＭを加算するステップＳ２と
からなり、補正制御は、Ｓ３からＳ６までの４ステップ
からなり、Ｓ３において出力指令ｘからこれに対応する
酸素濃度Ｏ2 を関数Ｆ 2 （ｘ）により算出し、Ｓ４にお
いて前記酸素濃度Ｏ2 から酸素濃度計による実測濃度Ｏ
2 を減算し、Ｓ５において減算した酸素濃度Ｏ2 から修
正回転速度ΔＲＰＭを関数Ｆ3 （Ｏ2 ）により算出し、
Ｓ６において修正回転速度ΔＲＰＭを微分積分制御し、
減算結果をステップＳ２の修正回転速度ΔＲＰＭとして
書き換える。According to a preferred embodiment of the present invention, said control
The control by the control device consists of advance control and correction control,
The preceding control is based on the output command x and the corresponding rotation speed R
PM is the function F1Step S1 calculated by (x),
Step S2 of adding the immediately preceding modified rotation speed ΔRPM
Compensation control consists of 4 steps from S3 to S6
And corresponds to this from the output command x in S3
Oxygen concentration O2The function F 2Calculated by (x), and in S4
And the oxygen concentration O2From O measured by oxygen concentration meter
2And the oxygen concentration O subtracted in S52From Osamu
Positive rotation speed ΔRPM is the function F3(O2),
In S6, the modified rotation speed ΔRPM is subjected to differential integration control,
The result of the subtraction is used as the corrected rotation speed ΔRPM in step S2.
rewrite.
【０００９】[0009]
【作用】上記本発明の構成によれば、従来の３つの機器
（２つの流量調節弁と低温ブロア）と濃度計及び圧力計
の代わりに低温ブロアと濃度計のみを備え、燃料電池の
出力指令ｘと計測された酸素濃度Ｏ2 から燃焼排ガス中
の酸素濃度が所定の範囲になるように低温ブロアの回転
速度を制御するので、２つの流量調節弁と圧力計を省略
することができ、これにより発電設備全体のコスト低
減、コンパクト化、シンプル化が可能となる。According to the above-mentioned structure of the present invention, the fuel cell output command is provided with only the low temperature blower and the concentration meter instead of the conventional three devices (two flow rate control valves and the low temperature blower) and the concentration meter and the pressure gauge. Since the rotation speed of the low temperature blower is controlled so that the oxygen concentration in the combustion exhaust gas falls within a predetermined range from the oxygen concentration O 2 measured as x, the two flow rate control valves and the pressure gauge can be omitted. As a result, it is possible to reduce the cost of the entire power generation facility, make it compact, and simplify it.
【００１０】また、本発明の好ましい実施例のように、
制御装置による回転数制御を、先行制御と補正制御とか
ら構成し、先行制御を、出力指令ｘからこれに対応する
回転速度ＲＰＭを関数Ｆ1 （ｘ）により算出するステッ
プＳ１と、直前の修正回転速度ΔＲＰＭを加算するステ
ップＳ２とから構成すれば、出力指令に基づく先行制御
により遅れが少ない迅速な制御を行うことができ、更に
実測した酸素濃度に基づく補正制御によりきめ細かい制
御を行うことができる。Further, as in the preferred embodiment of the present invention,
The rotational speed control by the control device is composed of the advance control and the correction control, and the advance control is step S1 of calculating the rotation speed RPM corresponding to this from the output command x by the function F 1 (x), and the immediately preceding correction. If configured with step S2 of adding the rotation speed ΔRPM, it is possible to perform rapid control with less delay by the advance control based on the output command, and further perform fine control by correction control based on the actually measured oxygen concentration. .
【００１１】[0011]
【実施例】以下、本発明の好ましい実施例を図面を参照
して説明する。なお、各図において共通する部分には同
一の符号を付して使用する。図１は、本発明による燃料
電池発電設備の図４と同様の部分構成図である。この図
において、本発明の燃料電池発電設備は、凝縮器１６ａ
と気水分離器１５により水分を除去した燃焼排ガス５を
加圧して燃料電池のカソード側に供給する低温ブロア１
７ｃと、燃焼排ガス５中の酸素濃度を計測する酸素濃度
計２１と、低温ブロア１７ｃの回転速度を制御する制御
装置２０とを備えている。この制御装置２０は、燃料電
池の出力指令ｘと酸素濃度計２１により計測された酸素
濃度Ｏ 2 から燃焼排ガス中の酸素濃度が所定の範囲にな
るように低温ブロア１７ｃの回転速度を制御するように
なっている。その他の構成機器は、前述した従来の図３
及び図４と同様である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will now be described with reference to the drawings.
I will explain. In addition, the common parts in each figure are the same.
It is used with the number 1 attached. FIG. 1 shows a fuel according to the present invention.
It is a partial block diagram similar to FIG. 4 of a battery power generation facility. This figure
In the fuel cell power generation equipment of the present invention, the condenser 16a
And the combustion exhaust gas 5 from which water has been removed by the steam separator 15.
Low temperature blower 1 which is pressurized and supplied to the cathode side of the fuel cell
7c and the oxygen concentration for measuring the oxygen concentration in the combustion exhaust gas 5
Control for controlling the rotation speed of the total 21 and the low temperature blower 17c
And a device 20. This control device 20 is
Oxygen measured by pond output command x and oximeter 21
Concentration O 2The oxygen concentration in the combustion exhaust gas falls within the specified range.
Control the rotation speed of the low temperature blower 17c
Has become. Other components are shown in FIG.
And is similar to FIG.
【００１２】上述した構成により、図１の燃料電池発電
設備では、図３及び図４における従来の３つの機器（２
つの流量調節弁１９ａ，１９ｂと低温ブロア１７ｃ）と
濃度計及び圧力計の代わりに低温ブロア１７ｃと濃度計
２１のみを備え、燃料電池の出力指令ｘと計測された酸
素濃度Ｏ2 から燃焼排ガス中の酸素濃度が所定の範囲に
なるように低温ブロア１７ｃの回転速度を制御するの
で、２つの流量調節弁１９ａ，１９ｂと圧力計を省略す
ることができ、これにより発電設備全体のコスト低減、
コンパクト化、シンプル化が可能となる。なお、この制
御における酸素濃度が所定の範囲は、例えば３％±０．
５％程度とするのがよい。With the configuration described above, the fuel cell power generation facility of FIG. 1 has three conventional devices (2
Instead of the two flow rate control valves 19a and 19b, the low temperature blower 17c), the concentration meter and the pressure gauge, only the low temperature blower 17c and the concentration meter 21 are provided, and the output command x of the fuel cell and the measured oxygen concentration O 2 Since the rotation speed of the low temperature blower 17c is controlled so that the oxygen concentration of the power supply is within a predetermined range, the two flow rate control valves 19a and 19b and the pressure gauge can be omitted, thereby reducing the cost of the entire power generation facility.
It is possible to make it compact and simple. Note that the predetermined range of the oxygen concentration in this control is, for example, 3% ± 0.
It is good to set it to about 5%.
【００１３】図２は、本発明による制御装置のブロック
線図である。この図において、本発明による制御装置２
０による制御は、先行制御と補正制御とからなり、先行
制御は、出力指令ｘからこれに対応する回転速度ＲＰＭ
を関数Ｆ1 （ｘ）により算出するステップＳ１と、直前
の修正回転速度ΔＲＰＭを加算するステップＳ２とから
なる。この先行制御により、出力指令ｘが急に変化した
場合でも、遅れが少ない迅速な制御を行うことができ
る。FIG. 2 is a block diagram of the control device according to the present invention. In this figure, the control device 2 according to the invention
The control by 0 consists of advance control and correction control, and the advance control is based on the output command x and the corresponding rotation speed RPM.
Is calculated by the function F 1 (x), and step S2 for adding the immediately preceding corrected rotational speed ΔRPM. With this advance control, even if the output command x suddenly changes, quick control with a small delay can be performed.
【００１４】また、補正制御は、Ｓ３からＳ６までの４
ステップからなり、Ｓ３において出力指令ｘからこれに
対応する酸素濃度Ｏ2 を関数Ｆ2 （ｘ）により算出し、
Ｓ４において前記酸素濃度Ｏ2 から酸素濃度計による実
測濃度Ｏ2 を減算し、Ｓ５において減算した酸素濃度Ｏ
2 から修正回転速度ΔＲＰＭを関数Ｆ3 （Ｏ2 ）により
算出し、Ｓ６において修正回転速度ΔＲＰＭを微分積分
制御し、減算結果をステップＳ２の修正回転速度ΔＲＰ
Ｍとして書き換えるようになっている。関数Ｆ
1 （ｘ）、Ｆ2 （ｘ）、及びＦ3 （Ｏ2 ）は、図２に模
式的に示す傾向を示すがこれらの関数は、予め計算又は
試験により設定し、かつ適宜実測値を基に書き換えるの
がよい。この構成により、実測した酸素濃度に基づく補
正制御によりきめ細かい制御を行うことができる。Further, the correction control is performed in 4 from S3 to S6.
It consists of steps, and the output command x is changed to this in S3.
Corresponding oxygen concentration O2The function F2Calculated by (x),
In S4, the oxygen concentration O2From the oximeter
Measuring density O2And the oxygen concentration O subtracted in S5
2From the corrected rotation speed ΔRPM to the function F3(O2)
Calculate and differentially integrate the corrected rotation speed ΔRPM in S6
The subtraction result is controlled and the corrected rotation speed ΔRP in step S2 is controlled.
It is designed to be rewritten as M. Function F
1(X), F2(X), and F3(O2) Is shown in FIG.
These functions are calculated in advance or
Set by test and rewrite based on actual measurement
Is good. With this configuration, compensation based on the measured oxygen concentration is performed.
Fine control can be performed by the positive control.
【００１５】なお、本発明は上述した実施例に限定され
ず、本発明の要旨を逸脱しない範囲で種々変更できるこ
とは勿論である。The present invention is not limited to the above-mentioned embodiments, and it goes without saying that various modifications can be made without departing from the gist of the present invention.
【００１６】[0016]
【発明の効果】上述したように、本発明の燃料電池発電
設備は、単一機器の運転により、改質器に供給するカソ
ード排ガスの酸素濃度を制御することができ、これによ
り発電設備全体のコスト低減、コンパクト化、シンプル
化が可能となり、かつ出力指令に基づく先行制御により
遅れが少ない迅速な制御を行うことができ、更に実測し
た酸素濃度に基づく補正制御によりきめ細かい制御を行
うことができる、等の優れた効果を有する。As described above, in the fuel cell power generation equipment of the present invention, the oxygen concentration of the cathode exhaust gas supplied to the reformer can be controlled by operating a single device. Cost reduction, compactness, and simplification are possible, and advanced control based on the output command enables quick control with less delay, and correction control based on the actually measured oxygen concentration enables fine control. And so on.
【図１】本発明による燃料電池発電設備の部分構成図で
ある。FIG. 1 is a partial configuration diagram of a fuel cell power generation facility according to the present invention.
【図２】本発明による制御装置のブロック線図である。FIG. 2 is a block diagram of a control device according to the present invention.
【図３】従来の燃料電池発電設備の全体構成図である。FIG. 3 is an overall configuration diagram of a conventional fuel cell power generation facility.
【図４】図３の部分構成図である。FIG. 4 is a partial configuration diagram of FIG. 3.
１ 燃料ガス ２ アノードガス ３ カソードガス ４ アノード排ガス ５ 燃焼排ガス ６ 空気 ７ カソード排ガス ８ 蒸気 １０ 改質器 １１ 燃料電池 １２ タービン圧縮機 １３ａ 燃料予熱器 １３ｂ 空気予熱器 １４ 脱硫器 １５ 気水分離器 １６ａ 凝縮器 １６ｂ 加熱器 １７ａ 燃料ブロア １７ｂ 高温ブロア １７ｃ 低温ブロア １７ｄ 空気ブロア １９ａ、１９ｂ 流量制御弁 ２０ 制御装置 ２１ 酸素濃度計 1 Fuel Gas 2 Anode Gas 3 Cathode Gas 4 Anode Exhaust Gas 5 Combustion Exhaust Gas 6 Air 7 Cathode Exhaust Gas 8 Steam 10 Reformer 11 Fuel Cell 12 Turbine Compressor 13a Fuel Preheater 13b Air Preheater 14 Desulfurizer 15 Air Water Separator 16a Condenser 16b Heater 17a Fuel blower 17b High temperature blower 17c Low temperature blower 17d Air blower 19a, 19b Flow control valve 20 Controller 21 Oxygen concentration meter
Claims (2)
料電池のカソード側に供給する低温ブロアと、燃焼排ガ
ス中の酸素濃度を計測する酸素濃度計と、低温ブロアの
回転速度を制御する制御装置とを備え、燃料電池の出力
指令ｘと計測された酸素濃度Ｏ2 から燃焼排ガス中の酸
素濃度が所定の範囲になるように低温ブロアの回転速度
を制御する、ことを特徴とする燃料電池発電設備。1. A low-temperature blower that pressurizes the combustion exhaust gas from which water has been removed and supplies it to the cathode side of a fuel cell, an oxygen concentration meter that measures the oxygen concentration in the combustion exhaust gas, and control that controls the rotation speed of the low-temperature blower. And a device for controlling the rotation speed of the low-temperature blower so that the output command x of the fuel cell and the measured oxygen concentration O 2 cause the oxygen concentration in the combustion exhaust gas to fall within a predetermined range. Power generation equipment.
補正制御とからなり、先行制御は、出力指令ｘからこれ
に対応する回転速度ＲＰＭを関数Ｆ1 （ｘ）により算出
するステップＳ１と、直前の修正回転速度ΔＲＰＭを加
算するステップＳ２とからなり、 補正制御は、Ｓ３からＳ６までの４ステップからなり、
Ｓ３において出力指令ｘからこれに対応する酸素濃度Ｏ
2 を関数Ｆ2 （ｘ）により算出し、Ｓ４において前記酸
素濃度Ｏ2 から酸素濃度計による実測濃度Ｏ2 を減算
し、Ｓ５において減算した酸素濃度Ｏ2 から修正回転速
度ΔＲＰＭを関数Ｆ3 （Ｏ2 ）により算出し、Ｓ６にお
いて修正回転速度ΔＲＰＭを微分積分制御し、減算結果
をステップＳ２の修正回転速度ΔＲＰＭとして書き換え
る、ことを特徴とする請求項１に記載の燃料電池発電設
備。2. The control by the control device comprises advance control and correction control, and the advance control calculates step S1 of a rotation speed RPM corresponding to the output command x from a function F 1 (x), Step S2 of adding the immediately preceding modified rotation speed ΔRPM, and correction control consists of four steps from S3 to S6.
In S3, the oxygen concentration O corresponding to the output command x
2 was calculated by the function F 2 (x), the oxygen concentration O 2 the measured concentration O 2 by the oxygen concentration meter is subtracted from the S4, the function F 3 the corrected rotation speed ΔRPM oxygen concentration O 2 obtained by subtracting the S5 ( 2. The fuel cell power generation equipment according to claim 1, wherein the corrected rotation speed ΔRPM is calculated by O 2 ), the correction rotation speed ΔRPM is differentially integrated and controlled in S6, and the subtraction result is rewritten as the correction rotation speed ΔRPM in step S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08220395A JP3584531B2 (en) | 1995-04-07 | 1995-04-07 | Fuel cell power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08220395A JP3584531B2 (en) | 1995-04-07 | 1995-04-07 | Fuel cell power generation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08287931A true JPH08287931A (en) | 1996-11-01 |
| JP3584531B2 JP3584531B2 (en) | 2004-11-04 |
Family
ID=13767874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08220395A Expired - Fee Related JP3584531B2 (en) | 1995-04-07 | 1995-04-07 | Fuel cell power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3584531B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461751B1 (en) * | 1999-12-06 | 2002-10-08 | Ballard Power Systems Inc. | Method and apparatus for operating a fuel cell |
| US6797419B2 (en) | 2001-09-03 | 2004-09-28 | Fujitsu Limited | Electronic apparatus powered by fuel cell having oxygen density detector |
-
1995
- 1995-04-07 JP JP08220395A patent/JP3584531B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461751B1 (en) * | 1999-12-06 | 2002-10-08 | Ballard Power Systems Inc. | Method and apparatus for operating a fuel cell |
| US6797419B2 (en) | 2001-09-03 | 2004-09-28 | Fujitsu Limited | Electronic apparatus powered by fuel cell having oxygen density detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3584531B2 (en) | 2004-11-04 |
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