Supervisory control and data acquisition (SCADA) is a system of software and hardware elements that allows industrial organizations to :
SCADA is widely used in different areas from chemical, gas, water, communications and power systems. The list of applications of SCADA can be listed as follows.
SCADA systems are used in electric power generation plants, transmission area and distribution system.
A SCADA helps in management of different inventory items or raw materials, controlling of automated systems in synchronous manner.
Management of different RF based systems, communication mediums and large communication systems including data logging through antennas can be easily done through the SCADA.
SCADA based systems are used by the state or municipal corporation to monitor, control and regulate water capacities in reservoir.
SCADA helps in regulation of traffic signals , controls the traffic flow in railway systems on road systems and air traffic controls.
SCADA can also be used for lift and elevator controls.
Facility managers use SCADA to control HVAC, refrigeration units, lighting and entry systems.
Transit authorities use SCADA to regulate electricity to subways, trams and trolley buses; to automate traffic signals for rail systems; to track and locate trains and buses; and to control railroad crossing gates.
SCADA in Power Systems
SCADA is widely used in power systems. The applications for SCADA keep increasing day after day.
Some of the applications are
The aim of power network utilities (PNU) software is to provide the electrical utility with tools which will enhance the operation of the system in a very cost effective way.in the present scenario of low budgets for power utilities to produce and distribute quality power at the minimum cost.
This goal can be achieved by proper operation of the electrical network and at the same time having real time data about state of the network.This real time data can then be used for supervisory controlled changes of the network parameters with effective guidance from distribution automation tools.
The PNU software utilizes the real time SCADA data. The real time network topology network component details & user defined strategies to achieve the above mentioned goals. PNU uses a combination of mathematical and logical techniques to provide the user with a host of applications for the purpose of distribution automation.
There are many objectives of SCADA System.
1. Improved overall System efficiency (capital & energy)
2. Increased penetration energy sources including renewable energy sources.
3. Reduced Energy Requirements in both the Transmission and Generation
4. Increased Relativity of sequence to essential loads.
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very informative