Our Project

Power System Analysis of Various Plants

Client: QUU, Seqwater and Arrow Energy

WSE was engaged by various clients to carry out power system analysis, protection coordination and arc flash evaluation studies for numerous projects.

  • Ban Houay Xai Gold/Silver Mine in Laos
  • QUU’s Goodna STP;
  • QUU’s Gibson Island & Oxley creek STP’s;
  • Arrow Energy’s Tipton WTP;
  • QUU’s 40 Sewage Pump Stations;
  • Seqwater’s five WTP;
  • Seqwater’s two Raw Water Pump Stations.
  • QUU’s Luggage Point STP
  • QUU’s Eagle Farm Sewage Pump Station with 2x2000kVA & 3x1800kVA, 6.6kV, VSD controlled pumps

The power system analysis for projects included:

  • Preparation of a power system topology,
  • Sizing of equipment and electrical services,
  • Carrying out load flow and voltage drop calculations,
  • Short circuit fault studies,
  • Protection coordination of all protective devices for discrimination of fault pickups complete with Time Current Curves (TCC) and settings for each protective device
  • Calculation of earth fault loop impedances and touch voltage to ensure compliance with the requirements of AS3000:2018, and,
  • Arc flash evaluation studies at each node of a power distribution network to ensure compliance with the requirements of Electrical Safety Acts and to specify Personal Protection Equipment (PPE) requirements for the maintenance of the switchboards


Water Services Engineering Pty. Ltd. is proud to be a privately owned Australian Engineering Consultant Company