JPS63121208U - - Google Patents
Info
- Publication number
- JPS63121208U JPS63121208U JP1152587U JP1152587U JPS63121208U JP S63121208 U JPS63121208 U JP S63121208U JP 1152587 U JP1152587 U JP 1152587U JP 1152587 U JP1152587 U JP 1152587U JP S63121208 U JPS63121208 U JP S63121208U
- Authority
- JP
- Japan
- Prior art keywords
- command value
- flow rate
- control valve
- boiler
- frequency
- 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
- 238000010248 power generation Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図は本考案による制御装置の制御系統を示
す図、第２図は周波数変化に対して給水流量先行
信号を出力する関数発生器の特性を示す図、第３
図は従来装置の制御系統を示す図、第４図は周波
数バイアス回路の関数発生器の特性を示した図で
ある。
１…発電機出力目標値、２…速度制限器、３…
周波数偏差信号、４…関数発生器、５…加算器、
６…実際の発電機出力、７…減算器、８…ＰＩ制
御器、９…タービン加減弁、１０…タービン入口
主蒸気圧力偏差信号、１１…ＰＩ制御器、１２…
加算器、１３…関数発生器、１４…実給水流量値
、１５…減算器、１６…ＰＩ制御器、１７…給水
流量制御弁、１８…燃料・空気制御系、１９…関
数発生器、２０…加算器、２１…関数発生器、２
２…掛け算器。
Fig. 1 is a diagram showing the control system of the control device according to the present invention, Fig. 2 is a diagram showing the characteristics of the function generator that outputs the feed water flow rate advance signal in response to frequency changes, and Fig. 3
This figure shows the control system of the conventional device, and FIG. 4 shows the characteristics of the function generator of the frequency bias circuit. 1... Generator output target value, 2... Speed limiter, 3...
frequency deviation signal, 4...function generator, 5...adder,
6...Actual generator output, 7...Subtractor, 8...PI controller, 9...Turbine control valve, 10...Turbine inlet main steam pressure deviation signal, 11...PI controller, 12...
Adder, 13...Function generator, 14...Actual water supply flow rate value, 15...Subtractor, 16...PI controller, 17...Water supply flow rate control valve, 18...Fuel/air control system, 19...Function generator, 20... Adder, 21...Function generator, 2
2... Multiplier.
Claims (1)
減弁を制御するための発電量指令値を出力させる
周波数バイアス回路と、タービン入口主蒸気圧力
の偏差を前記発電量指令値に加えて給水流量制御
弁を制御するためのボイラ入力指令値を出力させ
る圧力修正回路とを備えた貫流ボイラの制御装置
において、前記周波数バイアス回路からの周波数
の偏差の関数とする信号を前記給水流量制御弁の
制御系に加える回路を備えたことを特徴とする貫
流ボイラの制御装置。 A frequency bias circuit that adds a frequency deviation to an output command value to output a power generation command value for controlling a turbine control valve, and a feedwater flow rate control valve that adds a deviation in main steam pressure at the turbine inlet to the power generation command value. A once-through boiler control device comprising a pressure correction circuit that outputs a boiler input command value for controlling the flow rate, wherein a signal as a function of frequency deviation from the frequency bias circuit is sent to the control system of the feedwater flow rate control valve. A control device for a once-through boiler, characterized in that it is equipped with an additional circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1152587U JPS63121208U (en) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1152587U JPS63121208U (en) | 1987-01-30 | 1987-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63121208U true JPS63121208U (en) | 1988-08-05 |
Family
ID=30798822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1152587U Pending JPS63121208U (en) | 1987-01-30 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63121208U (en) |
-
1987
- 1987-01-30 JP JP1152587U patent/JPS63121208U/ja active Pending
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