JPH01115802U - - Google Patents
Info
- Publication number
- JPH01115802U JPH01115802U JP972288U JP972288U JPH01115802U JP H01115802 U JPH01115802 U JP H01115802U JP 972288 U JP972288 U JP 972288U JP 972288 U JP972288 U JP 972288U JP H01115802 U JPH01115802 U JP H01115802U
- Authority
- JP
- Japan
- Prior art keywords
- speed
- steam
- control circuit
- opening degree
- valve
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
Landscapes
- Control Of Turbines (AREA)
Description
第１図はこの考案に係る蒸気タービンの制御装
置の一実施例を示す系統図、第２図および第３図
は従来のＭＨＣおよびＥＨＣをそれぞれ示す系統
図である。
２１……蒸気弁、２２……リンク機構、２３…
…第１パイロツト弁、２４……油圧シリンダ、２
５……サーボ弁、２６……速度検出制御回路、３
０……第２パイロツト弁、３１……作動油、３２
……スイツチ、３３……バイアス発生器、３４…
…速度調速機、３５……リンク機構、Ｎ……ター
ビン回転数。
FIG. 1 is a system diagram showing one embodiment of a steam turbine control device according to this invention, and FIGS. 2 and 3 are system diagrams showing conventional MHC and EHC, respectively. 21...Steam valve, 22...Link mechanism, 23...
...First pilot valve, 24...Hydraulic cylinder, 2
5...Servo valve, 26...Speed detection control circuit, 3
0...Second pilot valve, 31...Hydraulic oil, 32
...Switch, 33...Bias generator, 34...
...Speed governor, 35...Link mechanism, N...Turbine rotation speed.
Claims (1)
弁と、上記蒸気タービンの回転数に基づき電気・
機械信号変換器および第１弁駆動装置を介して上
記蒸気弁の開度を電気的に制御する速度制御回路
と、上記蒸気タービンの回転数に基づき第２弁駆
動装置を介して上記蒸気弁の開度を機械的に制御
する速度調速機と、上記速度制御回路および速度
調速機間に接続され、この速度制御回路の作動中
に上記速度調速機による上記蒸気弁の制御を除外
するバイアス信号を上記速度調速機へ出力するバ
イアス発生器とを有することを特徴とする蒸気タ
ービンの制御装置。 A steam valve adjusts the amount of steam flowing into the steam turbine, and an electric
a speed control circuit that electrically controls the opening degree of the steam valve via a mechanical signal converter and a first valve drive device; and a speed control circuit that electrically controls the opening degree of the steam valve via a second valve drive device based on the rotation speed of the steam turbine. A speed governor that mechanically controls the opening degree is connected between the speed control circuit and the speed governor, and excludes control of the steam valve by the speed governor during operation of the speed control circuit. A control device for a steam turbine, comprising: a bias generator that outputs a bias signal to the speed governor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP972288U JPH01115802U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP972288U JPH01115802U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115802U true JPH01115802U (en) | 1989-08-04 |
Family
ID=31216716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP972288U Pending JPH01115802U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115802U (en) |
-
1988
- 1988-01-29 JP JP972288U patent/JPH01115802U/ja active Pending
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