JPH07180507A - Load controller for turbine - Google Patents

Load controller for turbine

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Publication number
JPH07180507A
JPH07180507A JP34523493A JP34523493A JPH07180507A JP H07180507 A JPH07180507 A JP H07180507A JP 34523493 A JP34523493 A JP 34523493A JP 34523493 A JP34523493 A JP 34523493A JP H07180507 A JPH07180507 A JP H07180507A
Authority
JP
Japan
Prior art keywords
turbine
load
input
calculator
flow rate
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.)
Withdrawn
Application number
JP34523493A
Other languages
Japanese (ja)
Inventor
Toshimitsu Morimoto
敏光 森元
Daisaku Hirata
大作 平田
Masao Takei
真男 武井
Takuya Yoshikawa
卓矢 吉川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP34523493A priority Critical patent/JPH07180507A/en
Publication of JPH07180507A publication Critical patent/JPH07180507A/en
Withdrawn legal-status Critical Current

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  • Control Of Eletrric Generators (AREA)
  • Control Of Turbines (AREA)

Abstract

PURPOSE:To provide a load controller for a turbine which can facilitate operation and increase reliability. CONSTITUTION:The load of a generator, which is detected by providing a generated electric power detector 51, is inputted to a signal judgement device 58. A suction temperature detector 52, a discharge temperature detector 53 and a suction flow-rate detector 54 are provided to input the respective detected values to a consumption power calculator 56. The calculator 56 computes the load of a blower-compressor to input it to a signal judgement device 59. Further, a pressure detector 55 is provided to input the detected value to an exhaust flow-rate calculator 57. The calculator 57 computes the exhaust flow-rate of a turbine to input it to a signal judgement device 60. The respective signal judgement devices 58, 59, 60 judges as to whether or not an input value exceeds a predetermined limit value to input a result to a logical sum calculator 61. When any one of the signals from three signal judgement devices 58, 59, 60 exceeds the limit value, a governor setting reduction signal is outputted.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、発電機と送風圧縮機と
を連結し、かつ抽気を取るタービンの電気式ガバナ制御
装置に適用されるタービンの負荷制御装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a turbine load control device which is applied to an electric governor control device of a turbine for connecting a generator and a blower compressor and for extracting air.

【0002】[0002]

【従来の技術】タービンの電気式ガバナ制御装置は、タ
ービンの速度検出器で検出するタービンの速度v[rpm]
とタービンの定格速度値VR[rpm]との差を速度調停率δ
[%]で除算して得られるガバナ指令値S(数式1参照)
と、タービンの運転員が設定するガバナ設定値Sg[%]
との和で得られるガバナ開度指令Sd(数式2参照)
を、ロードリミッタ設定値Slと比較し、どちらか低い
方の値を蒸気加減弁の開度指令信号として採用する。
2. Description of the Related Art An electric governor control device for a turbine has a turbine speed v [rpm] detected by a turbine speed detector.
And the rated speed value V R [rpm] of the turbine are calculated as the speed arbitration rate δ.
Governor command value S obtained by dividing by [%] (see formula 1)
And the governor set value Sg [%] set by the turbine operator
Governor opening command Sd obtained by the sum of
Is compared with the load limiter set value Sl, and the lower one is adopted as the opening command signal of the steam control valve.

【0003】[0003]

【数1】 [Equation 1]

【0004】[0004]

【数2】Sd=S+Sg [%][Equation 2] Sd = S + Sg [%]

【0005】この装置の構成を図3に示して説明する。
図3では、従来の電気式ガバナ制御装置の内部構成と制
御対象であるタービンとの接続を示している。
The structure of this apparatus will be described with reference to FIG.
FIG. 3 shows the internal configuration of the conventional electric governor control device and the connection with the turbine to be controlled.

【0006】図示省略のボイラで発生した蒸気は、蒸気
加減弁1で流量制御された後にタービン2へ流入する。
この蒸気はタービン内で膨張することにより仕事をして
復水器へ流れ出る。そして、タービン2で発生した動力
は、連結している発電機3と送風圧縮機4とに伝達され
る。送風圧縮機4では、空気を圧縮して送風する仕事を
し、発電機3では電力を発生させる仕事をする。
The steam generated in a boiler (not shown) flows into the turbine 2 after the flow rate is controlled by the steam control valve 1.
This steam expands in the turbine to work and flow out to the condenser. Then, the power generated in the turbine 2 is transmitted to the generator 3 and the blower compressor 4 which are connected to each other. The blower compressor 4 performs a task of compressing and blowing air, and the generator 3 performs a task of generating electric power.

【0007】電気式ガバナ制御装置5は、前述の通りに
蒸気加減弁1の開度を制御することによりタービン2の
発生動力を制御する。
The electric governor control device 5 controls the power generated by the turbine 2 by controlling the opening degree of the steam control valve 1 as described above.

【0008】また、タービン2の途中の段落からは、抽
気制御弁6を通して蒸気を取り出している。この抽気制
御弁6は、流量制御をする目的で抽気制御装置7により
その開度を制御される。
[0008] From the paragraph in the middle of the turbine 2, steam is taken out through the extraction control valve 6. The opening degree of the extraction control valve 6 is controlled by the extraction control device 7 for the purpose of controlling the flow rate.

【0009】[0009]

【発明が解決しようとする課題】ところで、発電機と送
風圧縮機とを連結するタービンでは、発電機の消費動
力、つまり、発生電力[MW]が過剰にならないように注
意しながら運転する必要が有る。また、抽気を取るター
ビンでは、蒸気加減弁から流入する蒸気流量値[Ton/ho
ur]とタービンの発生動力[MW]とが一義的には決まら
ずに抽気流量値[Ton/hour]の影響を受ける。これは、
タービン内で途中の段落まで仕事をする蒸気量の比が一
定でなくなるためで、タービンの運転員はタービンの発
生動力が過剰にならないように注意しながら運転する必
要が有る。さらに、タービンの排気流量値[Ton/hour]
にもタービンの最終段翼の保護のための制限値が有り、
運転員は排気流量値が過剰にならないように注意しなが
ら運転する必要が有る。
By the way, in the turbine connecting the generator and the blower compressor, it is necessary to operate while paying attention so that the power consumption of the generator, that is, the generated power [MW] does not become excessive. There is. In addition, in the turbine that extracts bleed air, the steam flow rate value [Ton / ho
ur] and the turbine generated power [MW] are not uniquely determined and are affected by the extraction flow rate value [Ton / hour]. this is,
This is because the ratio of the amount of steam that works in the middle of the turbine is not constant, so the turbine operator must operate with care so that the power generated by the turbine does not become excessive. Furthermore, turbine exhaust flow rate value [Ton / hour]
Also has a limit value for protecting the last stage blade of the turbine,
The operator must operate with care so that the exhaust flow rate value does not become excessive.

【0010】もしも発電機の発生動力が過剰になると、
発電機、変圧器、遮断器、送電線に過電流が流れること
になり、これらの機器を故障させる原因となる。また、
これらの故障を防止するための保護装置が動作すること
により、タービンが自動停止されて送風圧縮機が送風で
きなくなるといった問題が生じることになる。
If the power generated by the generator becomes excessive,
Overcurrent will flow through the generator, transformer, circuit breaker, and transmission line, causing damage to these devices. Also,
The operation of the protective device for preventing these failures causes a problem that the turbine is automatically stopped and the blower compressor cannot blow air.

【0011】次に、タービンの発生動力が過剰になる
と、その動力を伝達する軸の損傷の原因となる。
Next, if the power generated by the turbine becomes excessive, it will cause damage to the shaft that transmits the power.

【0012】最後に、タービンの排気流量が過剰になる
と、タービンの翼の損傷の原因となる。
Finally, excessive turbine exhaust flow rates can cause damage to turbine blades.

【0013】しかしながら、従来のガバナ制御装置では
上記のような問題点を自動的に保護することはできず、
運転員は運転状態を監視しながらガバナ設定値Sg[%]
を調節するしかない。すなわち、運転員の経験や感とい
った個人差を伴う作業が必要なため、この種のタービン
の運転を困難なものとし、また信頼性を向上させる上で
も不都合があった。
However, the conventional governor control device cannot automatically protect the above problems,
The operator sets the governor set value Sg [%] while monitoring the operating condition.
There is no choice but to adjust. In other words, since it is necessary to perform work involving individual differences such as the experience and feeling of the operator, it is difficult to operate this type of turbine, and there is a problem in improving reliability.

【0014】そこで、本発明の目的は、運転を容易に
し、かつ信頼性の向上をも可能にするタービンの負荷制
御装置を提供することにある。
Therefore, an object of the present invention is to provide a load control device for a turbine that facilitates operation and also improves reliability.

【0015】[0015]

【課題を解決するための手段】本発明は、前述の課題を
解決するためになされたもので、発電機と送風圧縮機と
を連結し、かつ抽気を取るタービンの負荷制御装置にお
いて、前記発電機の負荷を検出する手段と、前記送風圧
縮機の吸入温度、吐出温度及び吸込流量を検出して送風
圧縮機の負荷を演算する手段と、前記タービンの排気流
量を検出する手段と、前記発電機負荷、前記送風圧縮機
負荷及び前記タービン排気流量が各々の制限値をいずれ
かひとつでも越えた場合にタービンの運転制限のための
制御動作信号を出力する演算手段とを具備して構成した
ことを特徴とするタービンの負荷制御装置である。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and in a load control device for a turbine for connecting a generator and a blower compressor and for extracting air, the power generation Means for detecting the load on the blower compressor, means for calculating the load temperature of the blower compressor by detecting the suction temperature, discharge temperature and suction flow rate of the blower compressor, means for detecting the exhaust flow rate of the turbine, and the power generation A machine load, the blower compressor load, and the turbine exhaust flow rate exceed any one of the respective limit values, and a computing means for outputting a control operation signal for limiting the operation of the turbine is configured. Is a load control device for a turbine.

【0016】[0016]

【作用】前述の手段によれば、発電機の負荷を検出する
手段、送風圧縮機の負荷を演算する手段、及びタービン
の排気流量を検出する手段のいずれかひとつでも各々の
制限値を越える値を検出又は算出した場合には、タービ
ンの運転を制限する制御動作信号が演算手段より出力さ
れる。この結果、ガバナ設定値を自動的に減少させるこ
とが可能となり、タービンの蒸気流量は減少し、発電機
の発生電力、タービンの発生出力、及びタービンの排気
流量の過剰防止が図られる。
According to the above-mentioned means, any one of the means for detecting the load of the generator, the means for calculating the load of the blower compressor, and the means for detecting the exhaust gas flow rate of the turbine will exceed the respective limit value. When is detected or calculated, the control operation signal for limiting the operation of the turbine is output from the calculation means. As a result, the set value of the governor can be automatically reduced, the steam flow rate of the turbine is reduced, and the generated power of the generator, the generated output of the turbine, and the exhaust flow rate of the turbine are prevented from being excessive.

【0017】[0017]

【実施例】本発明によるタービンの負荷制御装置の一実
施例を図1及び図2に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a turbine load control system according to the present invention will be described with reference to FIGS.

【0018】図1は、図3に示した従来の電気式ガバナ
制御装置5に設けられる回路例を示したもので、該回路
は、ガバナ設定値を自動的に減少させ、かつ、ガバナ設
定値操作を阻止するための指令を出力するように構成さ
れている。すなわち、発電機3の発生電力(負荷)を検
出する発生電力検出器51と、送風圧縮機4の吸込温度
を検出する吸込温度検出器52と、送風圧縮機4の吐出
温度を検出する吐出温度検出器53と、送風圧縮機4の
吸込流量を検出する吸込流量検出器54と、タービン2
の最終段前の圧力を検出する圧力検出器55の各検出手
段を電気式ガバナ制御装置5の外部に備え、吸込温度検
出器52、吐出温度検出器53及び吸込流量検出器54
の各検出値は制御装置5内の消費動力演算器56に入力
される。消費動力演算器56では、入力された各検出値
を演算して送風圧縮機4の消費動力(負荷)を算出す
る。また、圧力検出器55の検出値は、同じく制御装置
5内の排気流量演算器57に入力され、該演算器57で
はタービン2の排気流量が算出される。
FIG. 1 shows an example of a circuit provided in the conventional electric governor control device 5 shown in FIG. 3, which circuit automatically reduces the governor set value and also sets the governor set value. It is configured to output a command to prevent the operation. That is, the generated power detector 51 that detects the generated power (load) of the generator 3, the suction temperature detector 52 that detects the suction temperature of the blower compressor 4, and the discharge temperature that detects the discharge temperature of the blower compressor 4. The detector 53, the suction flow rate detector 54 that detects the suction flow rate of the blower compressor 4, and the turbine 2
Each detecting means of the pressure detector 55 for detecting the pressure before the final stage of the above is provided outside the electric governor control device 5, and the suction temperature detector 52, the discharge temperature detector 53, and the suction flow rate detector 54.
Each detected value of is input to the power consumption calculator 56 in the control device 5. The power consumption calculator 56 calculates each input detection value to calculate the power consumption (load) of the blower compressor 4. The detected value of the pressure detector 55 is also input to the exhaust flow rate calculator 57 in the control device 5, and the calculator 57 calculates the exhaust flow rate of the turbine 2.

【0019】上述した検出手段又は演算手段によって得
られた発電機負荷、送風圧縮機負荷、及びタービン排気
流量は、各々が電気式ガバナ制御装置5内の信号判断器
58,59,60に入力され、所定の制限値を越えるか
否かが判断される。そして、3つの信号判断器58,5
9,60の判断結果は制御回路5内の論理和演算器61
に入力され、3つの条件のいずれかひとつでも制限値を
越えている場合にはガバナ設定減少指令、すなわちター
ビン2の運転制限のための制御動作信号を出力する。
The generator load, the blower compressor load, and the turbine exhaust flow rate obtained by the above-mentioned detecting means or calculating means are input to the signal judging devices 58, 59, 60 in the electric governor control device 5, respectively. , It is determined whether or not a predetermined limit value is exceeded. And the three signal determiners 58, 5
The results of the judgments of 9 and 60 are the OR operation unit 61 in the control circuit 5.
If any one of the three conditions exceeds the limit value, a governor setting decrease command, that is, a control operation signal for limiting the operation of the turbine 2 is output.

【0020】以下上述した制御を詳述すると、上記回路
は次の3つの条件が成立した時にガバナ設定値Sg[%]
を自動的に減少させ、かつ運転員によるガバナ設定値の
増加操作を阻止するものである。
The above control will be described in detail below. In the above circuit, the governor set value Sg [%] is satisfied when the following three conditions are satisfied.
Is automatically decreased, and the operation of increasing the governor set value by the operator is prevented.

【0021】第一の条件は、前述の発電機2の発生電力
が過剰になることを防止するために設けるもので、発生
電力検出器51の信号を電気式ガバナ制御装置5内に設
ける信号判断器58に入力していて、その信号値が制限
値[MW]を越える事を条件としている。なお、この信号
判断器58にはヒステリシス特性を与えていて、信号値
が制限値以上の場合に条件を成立させて、制限値×0.
98以下に低下した場合に条件を不成立にするとよい。
The first condition is provided in order to prevent the power generated by the generator 2 from becoming excessive, and the signal of the generated power detector 51 is determined in the electric governor control device 5. The condition is that the signal value is input to the device 58 and the signal value exceeds the limit value [MW]. It should be noted that the signal judging device 58 is provided with a hysteresis characteristic so that the condition is satisfied when the signal value is equal to or more than the limit value, and the limit value × 0.
It is preferable that the condition is not satisfied when the value drops below 98.

【0022】第二の条件は、前述のタービン発生動力が
過剰になることを防止するために設けるもので、前述し
た発電機2の発生電力[MW]と次に述べる方法とで検出
する送風圧縮機4の消費動力[MW]との和を、前述の発
電機2の発生動力の信号判断と同じ方法で判断すること
により、タービン発生動力の制限値[MW]を越える事を
条件としている。送風圧縮機4の消費動力PB[MW]
は、一般に下記の数式3で得られる。
The second condition is provided in order to prevent the power generated by the turbine from becoming excessive, and the blast compression detected by the power [MW] generated by the generator 2 and the method described below. The condition is that the turbine power generation limit value [MW] is exceeded by determining the sum of the power consumption [MW] of the machine 4 by the same method as the signal determination of the power generation of the generator 2 described above. Power consumption of blower compressor 4 P B [MW]
Is generally obtained by Equation 3 below.

【0023】[0023]

【数3】 [Equation 3]

【0024】数式3は下記の数式4に変形できる。Equation 3 can be transformed into Equation 4 below.

【0025】[0025]

【数4】 PB=7.470×10-7(1+X)×R×(t2−t1
×QN [MW] X : 空気の絶対湿度 R [kg・m/kg・°K]: 空気のガス定数 t2[℃] : 送風圧縮機の吐出温度 t1[℃] : 送風圧縮機の吸込温度 γS[kg/m3]: 吸込空気の比重量 QS[m3/ min]: 吸込空気流量 γN=1.2931[kg/m3
## EQU00004 ## P B = 7.470 × 10 -7 (1 + X) × R × (t 2 −t 1 ).
× Q N [MW] X: Absolute humidity of air R [kg ・ m / kg ・ ° K]: Gas constant of air t 2 [° C]: Discharge temperature of blower compressor t 1 [° C]: of blower compressor Suction temperature γ S [kg / m 3 ]: Specific weight of suction air Q S [m 3 / min]: Suction air flow rate γ N = 1.2931 [kg / m 3 ]

【0025】送風圧縮機4の通常の運転条件の中で最悪
になる場合にも、タービン発生動力を制限値内に抑える
ために、吸気温度が35℃で吸気の相対湿度が80%R
Hである場合の空気の絶対湿度Xと空気のガス定数Rを
選ぶと、X=0.0290,R=29.770となる。
Even in the worst case of the normal operating conditions of the blower compressor 4, the intake air temperature is 35 ° C. and the relative humidity of the intake air is 80% R in order to keep the turbine-generated power within the limit value.
When the absolute humidity X of air and the gas constant R of air in the case of H are selected, X = 0.0290 and R = 29.770.

【0026】この値を採用することにより数式4は数式
5に変形できる。
By adopting this value, equation 4 can be transformed into equation 5.

【0027】[0027]

【数5】 PB=2.288×10-5×(t2−t1)×QN [MW]P B = 2.288 × 10 −5 × (t 2 −t 1 ) × Q N [MW]

【0028】数式5では、送風圧縮機4の消費動力を、
吐出温度[℃]と吸込湿度[℃]の差と吸込空気のノルマル
流量[Nm3/min]との積に定数を乗じて計算している。
In equation 5, the power consumption of the blower compressor 4 is
It is calculated by multiplying the product of the difference between the discharge temperature [° C.] and the suction humidity [° C.] and the normal flow rate of the suction air [Nm 3 / min] by a constant.

【0029】第三の条件は、前述のタービン排気流量値
[Ton/hour]が過剰になることを防止するために設ける
もので、次に述べる方法で検出するタービン排気流量値
[Ton/hour]を前述の発電機2の発生動力の信号判断と
同じ方法で判断することにより、タービン排気流量の制
限値[Ton/hour]を越える事を条件としている。タービ
ン2内の各段落の圧力は、その流量値に概略比例する。
タービン2の排気流量値は、タービンの最終段前圧力[a
ta]を計測すると、図2の特性を加味することにより求
めることができる。図2の特性では、低流量域において
復水器の真空度[mmHg]の影響を受けることを示すが、制
限値[Ton/hour]付近ではほとんど影響を受けないこと
が知られている。なお、図1の排気流量演算器57には
図2の特性の逆関数を設定している。
The third condition is the above-mentioned turbine exhaust flow rate value.
It is provided to prevent [Ton / hour] from becoming excessive, and the turbine exhaust flow rate value detected by the method described below.
By determining [Ton / hour] by the same method as the signal determination of the generated power of the generator 2, the condition is that the turbine exhaust flow rate limit value [Ton / hour] is exceeded. The pressure of each paragraph in the turbine 2 is approximately proportional to its flow rate value.
The exhaust flow rate of the turbine 2 is the pressure before the final stage of the turbine [a
When ta] is measured, it can be obtained by adding the characteristics of FIG. In the characteristics of FIG. 2, it is shown that the degree of vacuum [mmHg] of the condenser is affected in the low flow rate range, but it is known that there is almost no effect near the limit value [Ton / hour]. The inverse function of the characteristic of FIG. 2 is set in the exhaust flow rate calculator 57 of FIG.

【0030】つまり、上述した3つの制限条件のうちひ
とつでも成立したならば、ガバナ設定値Sg[%]をあら
かじめ決めておく変化率、たとえば100%/60秒で
自動的に減少させる。そして、ガバナ設定値が減少する
と、たとえば2%幅のヒステリシス特性を与えていた各
信号判断器58,59,60が条件不成立を判断して、
ガバナ設定値の自動減少動作を中止する。このようにし
て、タービン2の3つの制限条件を自動的に保護するも
のである。
That is, if any one of the above-mentioned three limiting conditions is satisfied, the governor set value Sg [%] is automatically decreased at a predetermined change rate, for example, 100% / 60 seconds. When the set value of the governor decreases, the signal determiners 58, 59 and 60, which have provided the hysteresis characteristic of 2% width, determine that the condition is not satisfied,
The governor set value automatic reduction operation is stopped. In this way, the three limiting conditions of the turbine 2 are automatically protected.

【0031】なお、上述した図1の検出器、演算器及び
信号判断器等は、同様の機能を奏するものであればどの
ようなものでもよいことは当然である。
It should be noted that the detector, the arithmetic unit, the signal judging unit and the like shown in FIG. 1 may be of any type as long as they have similar functions.

【0032】[0032]

【発明の効果】前述した本発明によれば、この種のター
ビンの運転が容易となり、また、信頼性を向上させるこ
とができる等の優れた効果を奏するものである。
According to the present invention described above, such a turbine can be easily operated and the reliability can be improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例に係る回路例を示す図であ
る。
FIG. 1 is a diagram showing a circuit example according to an embodiment of the present invention.

【図2】タービン最終段前圧力とタービン排気流量との
関係を示す図である。
FIG. 2 is a diagram showing a relationship between a turbine last stage front pressure and a turbine exhaust flow rate.

【図3】従来の電気式ガバナ制御装置の構成及び接続を
示す図である。
FIG. 3 is a diagram showing a configuration and connection of a conventional electric governor control device.

【符号の説明】[Explanation of symbols]

2 タービン 3 発電機 4 送風圧縮機 5 電気式ガバナ制御装置 51 発生電力検出器 52 吸込温度検出器 53 吐出温度検出器 54 吸込流量検出器 55 圧力検出器 56 消費動力演算器 57 排気流量演算器 58,59,60 信号判断器 61 論理和演算器 2 Turbine 3 Generator 4 Blower compressor 5 Electric governor control device 51 Generated power detector 52 Suction temperature detector 53 Discharge temperature detector 54 Suction flow rate detector 55 Pressure detector 56 Consumption power calculator 57 Exhaust flow calculator 58 , 59, 60 Signal judger 61 Logical sum calculator

───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉川 卓矢 兵庫県高砂市荒井町新浜二丁目1番1号 三菱重工業株式会社高砂製作所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takuya Yoshikawa 2-1-1, Niihama, Arai-cho, Takasago-shi, Hyogo Mitsubishi Heavy Industries, Ltd. Takasago Plant

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】発電機と送風圧縮機とを連結し、かつ抽気
を取るタービンの負荷制御装置において、前記発電機の
負荷を検出する手段と、前記送風圧縮機の吸入温度、吐
出温度及び吸込流量を検出して送風圧縮機の負荷を演算
する手段と、前記タービンの排気流量を検出する手段
と、前記発電機負荷、前記送風圧縮機負荷及び前記ター
ビン排気流量が各々の制限値をいずれかひとつでも越え
た場合にタービンの運転制限のための制御動作信号を出
力する演算手段とを具備して構成したことを特徴とする
タービンの負荷制御装置。
1. A load control device for a turbine for connecting a generator and a blower compressor and for extracting air, and means for detecting the load of the generator, and a suction temperature, a discharge temperature and a suction temperature of the blower compressor. A means for calculating the load of the blower compressor by detecting the flow rate, a means for detecting the exhaust flow rate of the turbine, the generator load, the blower compressor load and the turbine exhaust flow rate are either limit values. A load control device for a turbine, comprising: a computing means for outputting a control operation signal for limiting the operation of the turbine when at least one is exceeded.
JP34523493A 1993-12-21 1993-12-21 Load controller for turbine Withdrawn JPH07180507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34523493A JPH07180507A (en) 1993-12-21 1993-12-21 Load controller for turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34523493A JPH07180507A (en) 1993-12-21 1993-12-21 Load controller for turbine

Publications (1)

Publication Number Publication Date
JPH07180507A true JPH07180507A (en) 1995-07-18

Family

ID=18375210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34523493A Withdrawn JPH07180507A (en) 1993-12-21 1993-12-21 Load controller for turbine

Country Status (1)

Country Link
JP (1) JPH07180507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7392656B2 (en) 2006-05-18 2008-07-01 Hitachi, Ltd. Steam turbine plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7392656B2 (en) 2006-05-18 2008-07-01 Hitachi, Ltd. Steam turbine plant

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