SCADA System for Water Supply Automation: Case Study of Axum Town
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Date
2018-10
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Addis Ababa University
Abstract
Axum has scarce water resource. At present, there are four wells and a dam that are supposed to
supply water from aquifer and provide a barrier constructed to hold back water to the public
through the water distribution network. However, the pumping stations at these wells and dam
along with the distribution network were managed manually by operators in a primitive manner.
During peak consumption periods, which may last for weeks, water was not delivered to wide
areas and the resources were not distributed evenly to public. Operators tried hard to achieve
fairness by manually controlling gate valves along with pumping stations. Therefore, to overcome
these problems, a Supervisory Control and Data Acquisition (SCADA) system to be used to
manage the water pumping stations in Axum has been designed. Moreover, this thesis introduces a
report mechanism by modeling the existing water supply system which controls loss of data and
reduces the loss of water. To obtain accurate data analysis, this work was presented using a
LabVIEW software simulation. And also, this system is expected to increase customer satisfaction,
reduce water distribution cost and provide an accurate overview of the plant‟s operations.
Furthermore, SCADA stores valuable information about the water system performance; and this
data is necessary for efficient development of the existent distribution system in a way that met
population growth.
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Keywords
Automation, LabVIEW, SCADA, Solenoid valve, virtual instrument, Water supply system