Smart Decentralized Control of DG for Voltage and Thermal Constraint Management

T Sansawatt, Luis (Nando) Ochoa, Gareth Harrison

Research output: Contribution to journalArticlepeer-review

Abstract

Active Network Management schemes are being developed to accommodate larger volumes of renewable generation within distribution networks. Approaches typically manage only single technical constraints or are highly complex with extensive sensing and communications needs that bring cost, deployment, and operational risks. This work offers an alternative, decentralized approach for real-time management of local voltage and thermal constraints that avoids extensive sensing and communications. It controls generator active and reactive power output to overcome voltage and thermal issues near the point of connection. Results from time-series analyses reveal its effectiveness in managing both constraints and allowing greater production. It represents a potentially effective and fast-to-deploy alternative to more complex, integrated solutions.
Original languageEnglish
Pages (from-to)1637-1645
JournalIEEE Transactions on Power Systems
Volume27
Issue number3
DOIs
Publication statusPublished - Aug 2012

Keywords

  • Active distribution networks
  • congestion management
  • decentralized control
  • distributed generation (DG)
  • generation curtailment
  • thermal constraints
  • voltage constraints

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