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Public Utility Water Supply Majdanpek: Project Development and Execution of Works on PS Pustinjac, Filter Station, and Distribution Shaft

CHALLENGES / PROBLEMS:

  • The existing pumps and equipment are outdated and challenging to maintain.
  • The motors on the pumps operate at 6kV, and only qualified operators can handle them.
  • Lack of data on flows and pressures.
  • Energy inefficiency of old pumps.
  • Oversized existing pump leading to water spillage from the clean water tank.
  • Absence of a monitoring system.

SOLUTION:

  • Selection of new-generation pumps tailored to the hydraulic characteristics of the system.
  • Implementation of frequency regulators to drive the new pumps, allowing them to operate at lower speeds as needed. This ensures the maintenance of the clean water tank level. If the level rises, pump revolutions decrease, and a second pump can be switched off if required.
  • Replacement of the old 6kV pumps with new 0.4kV pumps, eliminating the need for a qualified operator. Automatic pump operation based on clean water tank levels minimizes human intervention, ensuring continuous water supply.
  • Installation of flow meters to monitor losses between PS Pustinjac and the Filter Station, as well as between the Filter Station and the distribution shaft.
  • Development of a SCADA application for these three locations with data transmission via GPRS modem.

BENEFITS:

  • Comprehensive overview of the entire clean water production system through the SCADA application.
  • Implementation of energy-efficient and modern system components for easier management and handling.
  • Remote control capability for the pumping station.
  • Monitoring of water consumption and losses, as well as electricity consumption.

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