ABB distributed control system DSAO110 programmable logic controller
Brand ABB color standard Application Industrial height 217mm rated current 445mA
Protection Level IP45 Suitable for motor power 325KW Application Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part Number DSAO110
Applicable pipe 2 Whether imported is weighing 4.22 kg can be sold nationwide
ABB distributed control system DSAO110 programmable logic controller
Reservoir management system is the core part of modern reservoir and an important part of reservoir performance. The operation of reservoir gate during flood is based on the operation rules of not causing downstream disaster. In order to ensure the correct flow of information, it is necessary to grasp and monitor the inflow flow and engineering status, predict the operation of the reservoir according to the actual situation, and find out the corresponding countermeasures. For reservoirs, the condition of all reservoirs and the condition of individual reservoirs must be taken into account.
First of all, when the low water level is running, the storage flow must be determined separately. According to the operation judgment, implement the discharge, and formulate the operation procedures. For this purpose, the information of rainfall, inflow, storage and discharge of reservoir is collected for comprehensive analysis. For the analysis of inflow flow, if flood occurs, the inflow flow should be predicted according to the upstream rainfall, river level and flood arrival time, and the operation system and the countermeasures of water level fall should be determined according to the predicted inflow and storage volume. A variety of results can be obtained when forecasting a release, and skilled managers can screen for more accurate results. Secondly, the storage and discharge plan is determined. First of all, the control station is equipped with observation equipment to quickly collect rainfall and flow, and the information processing workstation of the integrated control station can complete the functions of auxiliary technical personnel such as inflow flow forecast, flood retrieval, and operation simulation of each reservoir. Using the inflow flow forecasting function, it can forecast the upstream flow of up to 6 hours according to the collected rainfall, predicted rainfall, flow, etc. The flood retrieval function can be used to search floods with similar rainfall conditions by using the flood and rainfall characteristics data collected in the past and forecast the scale of the flood that will occur. When the flood occurs, the decision and operation plan should be made in a short time by using the judgment criteria such as hydraulics, hydrological data, rules and experience. For this reason, a reservoir management system has been introduced in order to quickly organize and calculate the various elements. The reservoir management automation system brings the skills of experienced workers through an expert system
Concrete, improve the level of management. One of the conditions for determining the policy
Stability monitoring and control. There are two kinds of control methods adopted: one is that the computer output adjusts the set point of the conventional analog regulator through peripheral equipment to achieve supervision control; The other is to use computer output peripheral equipment to directly control the production process and achieve direct digital control.
Hydroelectric power station
Projects that need to be automated include dam monitoring, reservoir dispatching and power plant operation.
1, dam computer automatic monitoring system: including data acquisition, calculation analysis, alarm and maintenance programs.
2. Automatic monitoring system of reservoir hydrological information: including automatic collection of rainfall and hydrological information, formulation of reservoir dispatching plan, and selection of flood arrest and flood storage control schemes.
3, the plant computer automatic monitoring system: including the safety monitoring of the whole plant electromechanical operation equipment, automatic control of the generator set, optimization of operation and economic load distribution, stability monitoring and control.
ABB distributed control system DSAO110 programmable logic controller
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