The real-time remote control and monitoring capabilities of these systems make them highly beneficial for keeping track of and locating trains, busses, and other forms of public transportation. When public transportation journeys to remote locations, SCADA systems are helpful for regulating electricity. Water and Wastewater Management Supervisory control and data acquisition systems are also heavily implemented in water and wastewater management applications.
These systems help facilitate the regulation of water flow, pipe pressure, water distribution, and reservoir levels. In addition, they also help monitor wastewater collection facilities and water treatment centers in remote locations. Energy Management SCADA systems are implemented in a variety of energy management industries—from nuclear energy plants to gas-fired power plants—to help facilitate the generation, transmission, and distribution of electricity.
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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 is widely used in power systems. 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.
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.
Finally, the information is relayed to a human machine interface HMI or other types of displays for operators to analyze and interact with. SCADA systems also enable the ability to automate the control of industrial processes and machines that would otherwise be too complex for manual human control.
Through the use of sensors and measuring devices, SCADA systems can detect abnormal parameters or alarms and automatically respond with a programmed control function. For example if an alarm occurred signaling to much pressure in a line, the SCADA system would trigger a programmed response to open a pressure relief valve to return pressure levels to a normal amount.
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