Power Systems & Substations
33 kV Substation for Regional Water Supply – Sri Lanka

33 kV Substation for Regional Water Supply – Sri Lanka

Client

National Water Board

Voltage

33 kV

Capacity

31.5 MVA transformers

About

Project Overview

OEC Power & Control delivered detailed design for a new primary substation powering a major water treatment plant, essential for regional drinking water supply.

Scope of Work:

  • Substation layout, equipment selection, and single-line diagrams
  • Protection systems, relay settings, and coordination
  • SCADA integration and remote control
  • Earthing, cable routing, and installation drawings

Key Design Elements:

  • 33 kV double busbar arrangement for reliability
  • Integration with existing water plant systems
  • Load flow and fault level calculations
  • Provision for future capacity upgrades

Impact & Benefits

Portfolio

Other Projects

My Experience

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