JPH0447417A - Dam water level correcting device - Google Patents
Dam water level correcting deviceInfo
- Publication number
- JPH0447417A JPH0447417A JP15258990A JP15258990A JPH0447417A JP H0447417 A JPH0447417 A JP H0447417A JP 15258990 A JP15258990 A JP 15258990A JP 15258990 A JP15258990 A JP 15258990A JP H0447417 A JPH0447417 A JP H0447417A
- Authority
- JP
- Japan
- Prior art keywords
- water level
- dam
- dam water
- large wave
- measuring device
- 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
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- Control Of Non-Electrical Variables (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
【発明の詳細な説明】
［発明の目的Ｊ
（産業上の利用分野）
本発明はダムの高精度な水系運用に際して使用するダム
水位補正装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Objective of the Invention J (Field of Industrial Application) The present invention relates to a dam water level correction device used in highly accurate water system operation of a dam.
（従来の技術）
ダムでは発電機の使用状態及び水門の開閉状態等によっ
て大波現象が発生する。したがって大波現象発生時にお
けるダム水位は一義的に定まらず、水位計測装置による
計測値を補正する必要がある。(Prior Art) Large wave phenomena occur in dams depending on the usage status of generators, the opening/closing status of water gates, etc. Therefore, the dam water level when a large wave phenomenon occurs is not uniquely determined, and it is necessary to correct the measured value by the water level measuring device.
この場合の計測値補正方法は水位計測装置計測値のｎ分
間の移動平均値（以下従来方法補正値と呼ぶ）をダム水
位としていた。In this case, the measured value correction method used the n-minute moving average value (hereinafter referred to as conventional method correction value) of the measured values of the water level measuring device as the dam water level.
（発明が解決しようとする課題）
上記従来方法の補正値は正確なダム水位ではないことか
ら、制御用計算機で従来方法の補正値を使用してダム水
位監視業務／実績自流計算／発電機運転計画業務等を実
行すると、高精度水系制御が実施不可能となった。(Problem to be Solved by the Invention) Since the correction value of the above conventional method is not an accurate dam water level, the control computer uses the correction value of the conventional method for dam water level monitoring / actual flow calculation / generator operation When carrying out planned work, etc., it became impossible to perform high-precision water system control.
本発明は、上記問題点を解決するためになされたもので
あり、ダムでの大波現象の発生時においても高精度な水
系制御を行なうことが可能なダム水位補正装置を提供す
ることを目的としている。The present invention was made in order to solve the above problems, and an object of the present invention is to provide a dam water level correction device that can perform highly accurate water system control even when a large wave phenomenon occurs at a dam. There is.
Ｌ発明の構成］
（課題を解決するための手段）
上記目的を達成するため本発明では、ダムに設置しであ
るダム水位計測装置と、このダム水位計測装置計測値を
上り情報として伝達させるための遠方監視制御装置と、
遠方監視制御装置で伝達されなダム水位計測装置計測値
を用いて水系制御を行なう制御用計算機システムにおい
て、大波現象でダム水位計測装置が正確なダム水位を計
測できない場合、大波現象が発生する原因（発電機起動
／停止、ゲート放流開始／終了等）を制御用計算機が検
出した後、大波現象か収束するまでのｔ分間は、ダム水
位計計測値を公知の方法であるｎ分間の発電使用水量Ｑ
３．ゲート放流量ＱＧ．自流Ｑ から制御用計算機シス
テムで計算して求めたダム水位値に置き換え、大波現象
の収束後は、またダム水位計測装置の計測値を使用して
、正確な水系制御を行なうよう構成した。Structure of the Invention] (Means for Solving the Problems) To achieve the above object, the present invention provides a dam water level measuring device installed in a dam, and a system for transmitting measured values of the dam water level measuring device as upstream information. remote monitoring and control device,
In a control computer system that performs water system control using measured values from a dam water level measuring device that are not transmitted by a remote monitoring and control device, the causes of large wave phenomenon that occur when the dam water level measuring device cannot accurately measure the dam water level due to large wave phenomena. After the control computer detects (start/stop of generator, start/end of gate discharge, etc.) and until the large wave phenomenon converges, for t minutes, the measured value of the dam water level gauge is used to generate electricity for n minutes using a known method. Water amount Q
3. Gate discharge amount QG. The current Q was replaced with the dam water level value calculated by the control computer system, and after the large wave phenomenon subsided, the measured value of the dam water level measuring device was used again to perform accurate water system control.
（作 用）
したがって、制御用計算機かダムにおける大波現象発生
を検出すると、大波現象発生時の不正確なダム水位計測
装置計測値を使用せずに、ダム水位の真値に近いｍ分間
の発電使用水量Ｑ８．ゲート放流量ＱＧ．自流ＱＪから
制御用計算機を利用して計算したダム水位値を、ダム水
位監視／実績自流計算／発電機運転計画等の各業務に使
用する。(Function) Therefore, when the control computer detects the occurrence of a large wave phenomenon at the dam, it generates electricity for m minutes that is close to the true value of the dam water level, without using the inaccurate measurement value of the dam water level measuring device at the time of the occurrence of the large wave phenomenon. Water consumption Q8. Gate discharge amount QG. The dam water level value calculated using the control computer from the run-stream QJ is used for various tasks such as dam water level monitoring, actual run-flow calculations, and generator operation planning.
この結果、ダムにおける大波現象発生時に制御用計算機
による正確な水系制御が実施可能となった。As a result, it has become possible to implement accurate water system control using a control computer when a large wave phenomenon occurs at a dam.
（実施例） 以下図面を参照して実施例を説明する。(Example) Examples will be described below with reference to the drawings.
第１図は本発明の一実施例を水系と併せて示したブロッ
ク図である。同図において河川の上流／下流に建設され
ているダム１にそれぞれ発電機２が設けられ、各ダムに
は、水位計測装置３が設置しである。本実施例は下流ダ
ムについて述べる。FIG. 1 is a block diagram showing an embodiment of the present invention together with a water system. In the figure, a generator 2 is installed in each of the dams 1 constructed upstream/downstream of the river, and a water level measuring device 3 is installed in each dam. This example describes a downstream dam.
下流ダム水位計測装置３の計測値が遠方監視制御装置の
子局４から親局５へ伝達され、この親局５から制御用針
Ｘ機からなるダム水位補正装置６に入力され、ここでダ
ム水位の補正計算がなされる。また、大波現象発生原因
７／収束検出結果及びタム水位補正結果を表示するため
に、マンマシン出力装置７かダム水位補正装置６に接続
されている。The measured value of the downstream dam water level measuring device 3 is transmitted from the slave station 4 of the remote monitoring and control device to the master station 5, and from this master station 5 is input to the dam water level correction device 6 consisting of a control needle A water level correction calculation is made. Further, it is connected to the man-machine output device 7 or the dam water level correction device 6 in order to display the large wave phenomenon occurrence cause 7/convergence detection result and the dam water level correction result.
ここて、ダム水位補正装置６は、ダム水位情報を収集す
るダム水位情報収集入力手段６１と、設定された発電機
の起動／停止時間、ゲート放流開始／終了時間からダム
における大波現象発生を検出する大波現象発生検出手段
６２と、公知の方法である発電使用水量Ｑ９．ゲート放
流量ＱＧ．自流ＱＪをもとにダム水位を算出するダム水
位計算手段６３と、ダムにおける大波現象が収束するま
でのｔ分間は、ダム水位計算手段６３で算出したダム水
位を用いて水系制御を実行する計算水位による水系制御
手段６４と、ダム水位情報収集手段６１で収集したダム
水位計測値で実行する計測水位による水系制御手段６５
から構成されている。上記のように構成された本実施例
の動作を、制御用計算機の処理手順を示す第２図のフロ
ーチャートを用いて説明する。Here, the dam water level correction device 6 detects the occurrence of a large wave phenomenon at the dam from the dam water level information collection input means 61 that collects dam water level information, the set generator start/stop time, and the gate discharge start/end time. large wave phenomenon occurrence detection means 62, and the amount of water used for power generation Q9, which is a known method. Gate discharge amount QG. The dam water level calculation means 63 calculates the dam water level based on the own flow QJ, and the dam water level calculated by the dam water level calculation means 63 is used to perform water system control for t minutes until the large wave phenomenon at the dam converges. Water system control means 64 based on water level, and water system control means 65 based on measured water level executed using dam water level measurement values collected by dam water level information collection means 61.
It consists of The operation of this embodiment configured as described above will be explained using the flowchart of FIG. 2 showing the processing procedure of the control computer.
第２図はダム水位補正装置６の全体的な処理手順を示す
もので、先ず、水系制御を行なうために、ダム水位情報
の収集を実施（ステップ２０１ ） Ｌ、続いて、大波
現象か発生する原因（発電機起動／停止、ゲート放流開
始／終了等）を検出（ステップ２０２）すると、過去の
実績データより求めた大波現象が収束するまでの設定時
間を分間は、水系制御に必要な水位情報を制御用計算機
て公知の方法であるＱｐ、ＱＧ．Ｑｊを用いて水位計算
（スチップ２０３）を行なう。FIG. 2 shows the overall processing procedure of the dam water level correction device 6. First, in order to control the water system, dam water level information is collected (step 201). Next, when a large wave phenomenon occurs, the dam water level information is collected. When the cause (generator start/stop, gate discharge start/end, etc.) is detected (step 202), the set time until the large wave phenomenon converges, determined from past performance data, is determined by the water level information necessary for water system control. Qp, QG. Water level calculation (stip 203) is performed using Qj.
Ｑｐ、二発電使用水量［ｍ３／ｓ］
ΔＶ：ダム貯水量の変化量［ｍ３〕
Ｑ ：自流［ｍ３ ／ｓ］
ΔＨ：ダム水位の変化量［ｍ］
ＱＧ ：ゲート放流量［ｍ３／ｓコ
計算式−Δ■−上流ダム（Ｑｐ、−ＱＧ）−下流ダム（
Ｑｐ、士Ｑ。＋Ｑｐ、）
でｍ分間のΔ■を算出し、更にΔＶをΔＶ→ΔＨ変換を
行なってｍ分間のダム水位の変化量を求めて、ｍ分前の
ダム水位計測値にｍ分間のダム水位の増分量を加えるこ
とで現在ダム水位を求める。Qp, amount of water used for two power generation [m3/s] ΔV: Amount of change in dam water storage amount [m3] Q: Own flow [m3/s] ΔH: Amount of change in dam water level [m] QG: Gate discharge amount [m3/s] Calculation formula - Δ■ - Upstream dam (Qp, -QG) - Downstream dam (
Qp, Shi Q. +Qp,) to calculate Δ■ for m minutes, and then convert ΔV from ΔV to ΔH to find the amount of change in the dam water level for m minutes, and add the dam water level measured for m minutes to the dam water level measurement value m minutes ago. Find the current dam water level by adding the incremental amount.
この水位計算（ステップ２０３）によってｔ分間の水系
制御が実行され（ステ・ンプ２０４ ） 、を分径水位
計算を終了するとともに、計測ダム水位を水系制御に使
用（ステップ２０５ ） して水系制御を実行する。Through this water level calculation (step 203), water system control is executed for t minutes (step 204), and the water level calculation is completed, and the measured dam water level is used for water system control (step 205) to perform water system control. Execute.
また、大波現象が発生しない通常の場合は、先ず、水系
制御を行なうために、ダム水位情報の収集を実施しくス
テップ２０１ ） 、続０て、大波現象が発生する原因
（発電機起動／停止、ゲート放流開始／終了等）を検出
（ステ・ンプ２０２ ） Ｌな！Ｔ）ため、水位計算（
ステ・ンプ２０３）は実施せず、ダム水位情報を収集（
ステ・ンプ２０１ ） した計測ダム水位を水系制御に
使用（ステ・ンプ２０５ ） して水系１１ｔｌＪ御を
実行する。In addition, in the normal case where a large wave phenomenon does not occur, first, in order to perform water system control, collect dam water level information (step 201), and then check the causes of the occurrence of a large wave phenomenon (starting/stopping the generator, etc.). Gate discharge start/end, etc.) detected (step 202) L! T), water level calculation (
Step 203) was not carried out, but dam water level information was collected (
The measured dam water level measured by step 201) is used for water system control (step 205) to execute water system 11tlJ control.
第３図は、ダムにおける大波発生現象の原因を示すもの
である。上流ダムの発電機が停止した時（ａ）、上流ダ
ム水位に大波発生現象が発生（ｂ）、及び下流ダム水位
にも大波発生現象が発生（Ｃ）シていることがわかる。Figure 3 shows the causes of large wave generation phenomena at dams. It can be seen that when the generator at the upstream dam stops (a), a large wave phenomenon occurs at the water level of the upstream dam (b), and a large wave phenomenon also occurs at the downstream dam water level (C).
この下流／上流の大波発生現象（ｂ）／（ｃ）は、を分
径に収束する。第４図に本発明のタイミングチャートを
示す。同図において、制御用計算機はＴＣから伝達され
る発電機運転状態情報や発電機スゲジュールからタムに
おける大波現象発生原因の上流ダム発電機停止■を検出
する。上流ダム発電機停止■検出時には、上流タム大波
発生◎、下流ダム大波発生■となる。大波発生（上流ダ
ム発電機停止■）から大波収束＠までのｔ分間は、第２
図の説明で述べた制御用計算機を利用し求めた計算水位
で水系制御を行なう。This downstream/upstream large wave generation phenomenon (b)/(c) converges to the diameter of . FIG. 4 shows a timing chart of the present invention. In the figure, the control computer detects the upstream dam generator stoppage (2), which is the cause of the large wave phenomenon at the tom, from the generator operating status information and generator schedule transmitted from the TC. When the upstream dam generator stops ■ is detected, a large wave occurs at the upstream dam ◎ and a large wave occurs at the downstream dam ■. During the t minutes from the occurrence of large waves (stopping the upstream dam generator) to the convergence of large waves, the second
Water system control is performed using the calculated water level obtained using the control computer described in the explanation of the figure.
［発明の効果］
以上説明したように、本発明によれば発電機起動・停止
／ゲート放流開始・終了を原因とするダムにおける大波
現象発生時、遠方監視制御装置経由の上り情報のダム水
位計測装置の計測値を制御用計算機を利用して求めた計
測値に置き換え、大波現象収束後はまたもとの計測値に
戻して制御用計算機が実行する水系運用業務を行なうこ
とで、高精度な水系制御が実施可能となった。[Effects of the Invention] As explained above, according to the present invention, when a large wave phenomenon occurs in a dam due to generator start/stop/gate discharge start/end, dam water level measurement with upstream information via a remote monitoring and control device is possible. By replacing the measured values of the equipment with measured values obtained using a control computer, and returning to the original measured values after the large wave phenomenon subsides, the water system operation work performed by the control computer can be performed with high precision. Water system control has become possible.
第１図は本発明の実施例を水系と併せて示したブロック
図、第２図は同実施例の動作を説明するためのフローチ
ャート、第３図は同実施例の動作を説明するためにダム
における時間と水位変化／発電機運転状態からダムにお
ける大波現象発生を示した実測線図、第４図は同実施例
の動作を説明するためのタイミングチャートである。
１・・・ダム ２・・・発電機３・・・ダ
ム水位計測装置
４・・・遠方監視制御装置子局
５・・・遠方監視制御装置親局
６・・・ダム水位補正装置
７・・・マンマシン出力装置
６１・・・ダム水位情報収集入力手段
６２・・・大波現象発生検出手段
６３・・・水位計算手段
６４・・・計算水位による水系制御手段６５・・・計測
水位による水系制御手段（ａ）・・・上流ダム発電機出
力
ｆｂ）・・・上流タム大波発生現象
（Ｃ）・・・下流ダム大波発生現象Fig. 1 is a block diagram showing an embodiment of the present invention together with a water system, Fig. 2 is a flowchart to explain the operation of the embodiment, and Fig. 3 is a dam dam to explain the operation of the embodiment. Fig. 4 is an actual measurement diagram showing the occurrence of a large wave phenomenon in the dam based on the time and water level change/generator operating state, and Fig. 4 is a timing chart for explaining the operation of the same embodiment. 1... Dam 2... Generator 3... Dam water level measuring device 4... Remote monitoring and control device slave station 5... Remote monitoring and control device master station 6... Dam water level correction device 7...・Man-machine output device 61...Dam water level information collection input means 62...Large wave phenomenon occurrence detection means 63...Water level calculation means 64...Water system control means based on calculated water level 65...Water system control based on measured water level Means (a)...Upstream dam generator output fb)...Upstream dam large wave generation phenomenon (C)...Downstream dam large wave generation phenomenon
Claims (1)
計測装置計測値を上り情報として伝達させるための遠方
監視制御装置と、遠方監視制御装置で伝達されたダム水
位計測装置計測値を用いて水系制御を行なう制御用計算
機システムにおいて、大波現象が発生する原因を制御用
計算機が検出したとき、前記大波現象が収束するまでの
所定の時間は、ダム水位系計測値をｎ分間の発電使用水
量Ｑ＿ｐ、ゲート放流量Ｑ＿Ｇ及び自流Ｑ＿ｊをもとに
制御用計算機システムにて計算して求めたダム水位値に
置き換え、大波現象の収束後はダム水位計測装置の計測
値を使用して水系制御することを特徴とするダム水位補
正装置。Using the dam water level measuring device installed in the dam, a remote monitoring and control device for transmitting the measured values of this dam water level measuring device as uplink information, and the measured values of the dam water level measuring device transmitted by the remote monitoring and controlling device In a control computer system that performs water system control, when the control computer detects the cause of a large wave phenomenon, for a predetermined time until the large wave phenomenon converges, the measured value of the dam water level system is used as the amount of water used for power generation for n minutes. Replace it with the dam water level value calculated by the control computer system based on Q_p, gate discharge amount Q_G, and own flow Q_j, and after the large wave phenomenon subsides, the water system will be controlled using the measured value of the dam water level measuring device. A dam water level correction device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15258990A JPH0447417A (en) | 1990-06-13 | 1990-06-13 | Dam water level correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15258990A JPH0447417A (en) | 1990-06-13 | 1990-06-13 | Dam water level correcting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447417A true JPH0447417A (en) | 1992-02-17 |
Family
ID=15543755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15258990A Pending JPH0447417A (en) | 1990-06-13 | 1990-06-13 | Dam water level correcting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7033386B2 (en) | 1993-03-11 | 2006-04-25 | Medinol Ltd. | Stent |
-
1990
- 1990-06-13 JP JP15258990A patent/JPH0447417A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7033386B2 (en) | 1993-03-11 | 2006-04-25 | Medinol Ltd. | Stent |
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