Control and Monitoring of Sistems Heating with Scada (original) (raw)
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SCADA system for a central heating and power plant
Modern process control systems are used in industrial automations for flexibility, modularity and reliability, employing state of the art technology based on three concepts: distributed control system (DCS), programmable logic controller (PLC) and most importantly supervisory control and data acquisition (SCADA). This paper deals with design and implementation of a SCADA system for a central heating and power plant, which is planned to supervise and control field distributed electric devices using Siemens equipment and software ldquoprocess control system 7rdquo (PCS7). The system also allows web-based applications via OPC and Web server by using the existing communication infrastructure. Redundancy is present at the server levels. The system is currently in use at COLTERM Central Heating and Power Plant South (CET South) of Timisoara.
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DEVELOPMENT OF A SCADA SYSTEM FOR TEMPERATURE CONTROL USING LAB VIEW
TJPRC, 2014
Remote monitoring and control of industrial processes is the need of today’s automation industry. SCADA (Supervisory Control and Data Acquisition) system is useful in monitoring, controlling and accessing the performance of remotely situated systems by acquiring and controlling the physical parameters such as temperature, pressure, level etc. This paper describes the design and development of a Lab VIEW based SCADA for temperature control system. Data communication is achieved using the popular Modbus Protocol. Various features like database, data logging, secured login, waveform graphs, trends, history and multi-user functionality are also incorporated. The developed SCADA system will be an independent and indigenous tool since Lab VIEW supports the generation of executable file which can practically run on any computer without having Lab VIEW software package.
Trends of SCADA in Process Control
Supervisory control and data Acquisition (SCADA), or Distributed Control system (DCS) are controlling production plants such as power, Oil & Gas, water and waste management, etc. SCADA systems are also used by Process Industries including cement, paper and pulp, petrochemicals, fertilizers, steel industries, and aluminium plants. Supervisory control and data acquisition system is a system in which messages or commands are sent for the purposes of operation and control of processes. In this paper we consider a production plant. Which product demand is varied according to the temperature and the product is supplied to the different parts of the country. The temperature of the cities may be different. So we develop an automatic system for a multi unit plant. This system collects the temperature data of different cities maintain the production according to the consumers demands. Where the consumer demand is varying according to the temperature.
Supervisory Control and Data Acquisition System (SCADA
In India, we have huge number of road network which plays an important role in development of a country and provides large number of economic development as well. Main challenge our country faces at current times is road qualities and its maintenance. SCADA system at their fundamental level is Industrial Control System. SCADA has many applications on various disciplines for observing and control in real time. SCADA technologies are widely used in construction industries. Public Works Department (PWD) has made SCADA compulsory in a manner to resolve all quality related issues. This paper describes the SCADA technology implementation in construction field. This paper provides an overview of SCADA, its journey from beginning, functionality of the system, and use of this system. The main challenge this technology faces is nothing but real-time control of power network and their subsequent sections explaining about the development of SCADA system for computerized monitoring and control of power system.
Scada Systems Analysis for Industrial Procesess
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The paper presents an analysis of the operation and usage of SCADA data acquisition system. SCADA collects and records the values and statuses obtained from remote telemetry power system elements to enable control center operators to supervise and control the power system. The information transmitted by the automation systems of the remote control stations must be collected and processed at a central point. This function is performed by the network control systems that are installed in central locations, which are known as system control canters or control rooms.
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fett.tu-sofia.bg
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Automation System for Thermal Power Plant
— Boiler is one of the most important equipment in any power plants which require continuous monitoring and inspection at frequent intervals. There are possibilities of errors at measuring and various stages involved with human workers. So a reliable monitoring system is necessary to avoid catastrophic failure, which is achieved by Programmable Logic Controller & Supervisory Control and Data Acquisition system. This paper outlines the design and development of boiler automation system using PLC, SCADA and sensors. PLC and SCADA interfaced via communication cables. The initial phase of the paper focuses on passing the inputs to the boiler at a required temperature, so as to constantly maintain a particular temperature in the boiler. SCADA is used to monitor the boiler temperature, pressure and water level using different sensors and the corresponding output is given to the PLC which controls the boiler temperature, pressure and water level. If the temperature and pressure inside the boiler exceeds the predefined value then the entire system is shut down. In case of emergency different automated check valves are used to release pressure, steam and inform the concerned authority through alarm. Boiler automation ladder diagram is designed using WPL soft and SCADA design is done by Intouch wonderware.