JPS5854430U

JPS5854430U - Limit verification device for automatic control ability of dam discharge equipment

Info

Publication number: JPS5854430U
Application number: JP14944681U
Authority: JP
Inventors: 方　守
Original assignee: 株式会社日立製作所; 株式会社日立コントロ−ルシステムズ
Priority date: 1981-10-09
Filing date: 1981-10-09
Publication date: 1983-04-13

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

[Brief explanation of the drawing]

第１図は、流入量の予測の方法および、流入量と放流量
との関係を示す線図、第２図は、貯水量の増加状況と時
刻ｔにおける貯水能力の関係を示す線図である。　　　
　。Ｑｉ（ｔ）・・・・・・時刻を時の流入量、Ｑｉ・・・
・・・グラフの縦軸（流入量）　、ＱＯ（ｔ）、　Ｑｏ
・・・・・・流入量（放流量）、ｔ・・・・・・時刻、
Ｔ・・・・・・時間、ｉ・・・・・・制御周期、Δ■・
・・・・・制御周期ｉの間の貯水量増分、ΔＶｃ（ｔ）
・・・・・・時刻ｔにおけるダムの貯水能力、Ｘ・・・
・・・制御能力限界を示す時間、ｔ、・・・・・・貯水
能力オーバーする時刻、ΔＶ、・・・・・・グラフの縦
軸（貯水能力）。Fig. 1 is a diagram showing a method for predicting inflow and the relationship between inflow and outflow, and Fig. 2 is a diagram showing the relationship between the increase in water storage and water storage capacity at time t. .
. Qi (t)... Inflow amount at time, Qi...
...Vertical axis of graph (inflow amount), QO(t), Qo
...Inflow amount (outflow amount), t...Time,
T...Time, i...Control period, Δ■・
...Increase in water storage amount during control period i, ΔVc(t)
...Water storage capacity of the dam at time t, X...
. . . Time indicating the control capacity limit, t, . . . Time when the water storage capacity is exceeded, ΔV, . . . Vertical axis of the graph (water storage capacity).

Claims

[Scope of utility model registration request]

It consists of a means of predicting future inflow using the relationship between dam water level, discharge and inflow, and a means of calculating the amount of increase in dam storage and predicting the time when the dam's storage capacity will reach its safe limit. A limit verification device for automatic control ability of dam discharge equipment, characterized by: