JPH01169905U - - Google Patents
Info
- Publication number
- JPH01169905U JPH01169905U JP5850288U JP5850288U JPH01169905U JP H01169905 U JPH01169905 U JP H01169905U JP 5850288 U JP5850288 U JP 5850288U JP 5850288 U JP5850288 U JP 5850288U JP H01169905 U JPH01169905 U JP H01169905U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- signal
- driving
- boiler feed
- turbine
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例の説明図、第２図は
上記一実施例におけるエンタルピ補正の説明図、
第３図は上記一実施例の関数発生器にて発生する
エンタルピ関数の説明図、第４図は従来の装置に
おけるエンタルピ関数の説明図である。
１…蒸気加減弁、２…コントローラ、３…積算
器、４…関数発生器、５…減算器、６…プラント
出力信号又は駆動蒸気圧力信号、７…実回転数信
号、８…回転数設定値。
FIG. 1 is an explanatory diagram of an embodiment of the present invention, FIG. 2 is an explanatory diagram of enthalpy correction in the above embodiment,
FIG. 3 is an explanatory diagram of the enthalpy function generated by the function generator of the above embodiment, and FIG. 4 is an explanatory diagram of the enthalpy function in the conventional device. 1...Steam control valve, 2...Controller, 3...Integrator, 4...Function generator, 5...Subtractor, 6...Plant output signal or driving steam pressure signal, 7...Actual rotation speed signal, 8...Rotation speed setting value .
Claims (1)
気量を調節する蒸気加減弁の制御に用いる回転数
制御装置において、上記ボイラ給水ポンプ駆動用
タービンの実回転数信号と回転数設定値を入力し
必要回転数信号を出力する減算器、プラント出力
信号または駆動蒸気圧力信号を入力しエンタルピ
が一定となる補正関数を発生する関数発生器、お
よび上記必要回転数信号と補正関数を入力し弁開
度調節信号を出力する積算器を備えたことを特徴
とするボイラ給水ポンプの回転数制御装置。 In the rotation speed control device used to control the steam control valve that adjusts the amount of steam supplied to the turbine for driving the boiler feed water pump, the actual rotation speed signal and the rotation speed setting value of the turbine for driving the boiler feed water pump are inputted to determine the required rotation speed. A subtracter that outputs a signal, a function generator that inputs a plant output signal or driving steam pressure signal and generates a correction function that makes the enthalpy constant, and a valve opening adjustment signal that inputs the above-mentioned required rotation speed signal and correction function. A boiler feed pump rotation speed control device characterized by being equipped with an output integrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5850288U JPH01169905U (en) | 1988-05-02 | 1988-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5850288U JPH01169905U (en) | 1988-05-02 | 1988-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01169905U true JPH01169905U (en) | 1989-11-30 |
Family
ID=31284307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5850288U Pending JPH01169905U (en) | 1988-05-02 | 1988-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01169905U (en) |
-
1988
- 1988-05-02 JP JP5850288U patent/JPH01169905U/ja active Pending
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