Hybrid Open Points: an Efficient Tool for Increasing Network Capacity in Distribution Systems

Matthew Deakin, Ilias Sarantakos, David M. Greenwood, Janusz W. Bialek, Phil Taylor, Wenlong Ming, Haris Patsios

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This letter introduces the Hybrid Open Point (HOP), a device consisting of an electromechanical switch connected in parallel with a power converter, for the purpose of providing additional network capacity in interconnected distribution systems. The HOP switch is used for bulk power transfer at low-cost, whilst the HOP converter provides targeted power transfer when the HOP switch is open. The device can replace either a Normally Open Point (Type 1 HOP) or a Normally Closed Point (Type 2 HOP). Simple interconnection and teed interconnection configurations are studied considering fault level and radiality constraints, with realistic use-cases identified for both HOP types. The HOP is shown to provide secure network capacity more cost-effectively than the classical Soft Open Point.

Original languageEnglish
JournalIEEE Transactions on Power Delivery
DOIs
Publication statusPublished - 2021
Externally publishedYes

Keywords

  • Circuit faults
  • Costs
  • hosting capacity
  • Hybrid open point
  • Hybrid power systems
  • Integrated circuit interconnections
  • network reconfiguration
  • soft open point
  • Substations
  • Switches
  • Switching circuits
  • total supply capability

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