​Energy Storage For Utility Application: Energy Storage Expo Presentation.

​Energy Storage For Utility Application: Energy Storage Expo Presentation.

The case study presentation featured an Energy Storage system, designed and made in Western Australia to solve power problems with the Single Wire Earth Return networks in QLD.
The SWER networks were plagued with issues such as:
  • Limited power capacity.
  • Poor voltage regulation.
  • Poor power factor.
  • Difficulty in clearing down-stream fuse (safety concern).
  • Load density limitations.

The Energy Storage System was built to solve the following problems of SWER:
  • Power Factor correction by injecting real and reactive power into the grid.
  • Demand/Peak Demand management by injecting peak power when needed.
  • 4 hours back-up power to the load in case of SWER interruption.
  • Peak power necessary to blow safety fuse in the case of a very long transmission line.
  • Supplementing power by storage of PV energy.

To replace the SWER lines would have cost the utility between $30-50 000 per km, but by using the existing infrastructure and installing the Energy Storage System, the cost was greatly reduced.
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