JPS5890303U - Low pressure turbine protection device - Google Patents
Low pressure turbine protection deviceInfo
- Publication number
- JPS5890303U JPS5890303U JP18594281U JP18594281U JPS5890303U JP S5890303 U JPS5890303 U JP S5890303U JP 18594281 U JP18594281 U JP 18594281U JP 18594281 U JP18594281 U JP 18594281U JP S5890303 U JPS5890303 U JP S5890303U
- Authority
- JP
- Japan
- Prior art keywords
- pressure turbine
- low
- steam
- protection device
- low pressure
- 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.)
- Pending
Links
Landscapes
- Control Of Turbines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の構成を示すブロック図、第
２図はその低圧タービン入口蒸気温度演算器のブロック
図、第３図は低圧タービンの運転 −状態の時間的
変化と入口蒸気温度設定の一例を表 、わす図、第４
図は蒸気線図において湿り度制限に対する入口蒸気温度
設定の一例を示す図である。
１・・・・・・蒸気発生装置、２・・・・・・高圧ター
ビン、３・・・・・・湿分分離加熱器、４・・・・・・
低圧タービン、５・・・・・・発電機、６・・・・・・
復水器、１１・・・・・・低圧タービン入口蒸気温度検
出器、１２・・・・・・低圧タービンメタル温度検出器
、１３」・・・・・低圧タービン排気湿り度検出器、１
４・・・・・・発電機出力検出器、２０・・・・・・蒸
気温度制御演算器、２１・・・・・・低圧タービンメタ
ル温度に基づく入口蒸気温度設定部、２２・・・・・・
低圧タービン排気湿り度に基づく入口蒸気温度設定部、
２３・・・・・・信号優先回路、３０・・・・・・温度
調節器、４０・・・・・・調整弁。Fig. 1 is a block diagram showing the configuration of an embodiment of the present invention, Fig. 2 is a block diagram of its low-pressure turbine inlet steam temperature calculator, and Fig. 3 is the operation of the low-pressure turbine - temporal changes in conditions and inlet steam. An example of temperature setting is shown in Table 4.
The figure is a diagram showing an example of inlet steam temperature setting with respect to humidity limit in a steam diagram. 1...Steam generator, 2...High pressure turbine, 3...Moisture separation heater, 4...
Low pressure turbine, 5... Generator, 6...
Condenser, 11...Low pressure turbine inlet steam temperature detector, 12...Low pressure turbine metal temperature detector, 13''...Low pressure turbine exhaust humidity detector, 1
4... Generator output detector, 20... Steam temperature control calculator, 21... Inlet steam temperature setting unit based on low pressure turbine metal temperature, 22...・・・
Inlet steam temperature setting section based on low pressure turbine exhaust humidity;
23... Signal priority circuit, 30... Temperature controller, 40... Regulating valve.
Claims (1)
と、この高圧タービンの排気を前記蒸気発生装置からの
蒸気の一部により加熱する湿分分離加熱器と、この湿分
分離加熱器の発生する再熱蒸気により運転される低圧タ
ービンを有する蒸気タービン動力設備において、低圧タ
ービン入口の蒸気温度を低圧タービンの運転制限要素の
関数として変えるように、前記蒸気発生装置と前記湿分
分離加熱器の間に設けられた調整弁と、この調整弁の開
度を制御する温度調節器、 と、その温度調節器に指令
を出す蒸気温度制御演算器と、この蒸気温度制御演算器
に必要な前記低圧タービンの運転制限要素を検出する検
出器を備えたことを特徴とする低圧タービン保護装置。 ２ 前記低圧タービンの運転制限要素として低圧タービ
ン排気の湿り度を用いた実用新案登録請求の範囲第１項
記載の低圧タービン保護装置。[Claims for Utility Model Registration] 1. A high-pressure turbine that receives steam from a steam generator, a moisture separation heater that heats the exhaust gas of this high-pressure turbine with a part of the steam from the steam generator, and In a steam turbine power plant having a low pressure turbine operated by reheated steam generated by a fractional separation heater, the steam generator and the A regulating valve installed between the moisture separation heater, a temperature regulator that controls the opening degree of this regulating valve, a steam temperature control computing unit that issues a command to the temperature regulator, and a steam temperature control computing unit that issues a command to the temperature regulator. A low-pressure turbine protection device comprising: a detector for detecting an operation restriction element of the low-pressure turbine necessary for the low-pressure turbine. 2. The low-pressure turbine protection device according to claim 1, which uses the humidity of the low-pressure turbine exhaust gas as an operation limiting element of the low-pressure turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18594281U JPS5890303U (en) | 1981-12-14 | 1981-12-14 | Low pressure turbine protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18594281U JPS5890303U (en) | 1981-12-14 | 1981-12-14 | Low pressure turbine protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5890303U true JPS5890303U (en) | 1983-06-18 |
Family
ID=29987445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18594281U Pending JPS5890303U (en) | 1981-12-14 | 1981-12-14 | Low pressure turbine protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5890303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011058489A (en) * | 2009-09-08 | 2011-03-24 | General Electric Co <Ge> | Method and apparatus for controlling moisture separator reheater |
-
1981
- 1981-12-14 JP JP18594281U patent/JPS5890303U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011058489A (en) * | 2009-09-08 | 2011-03-24 | General Electric Co <Ge> | Method and apparatus for controlling moisture separator reheater |
| US9719378B2 (en) | 2009-09-08 | 2017-08-01 | General Electric Company | Method and apparatus for controlling moisture separator reheater |
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