Distribution voltage control utilising the reactive power capabilities of wind generators

Danzerl, Daniel and Gill, Simon and Anaya-Lara, Olimpo (2018) Distribution voltage control utilising the reactive power capabilities of wind generators. Journal of Engineering, 2017 (13). 2350 – 2355. ISSN 2051-3305 (https://doi.org/10.1049/joe.2017.0751)

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Abstract

Voltage rise issues have become a major limiting factor to greater penetration of wind generators in weak distribution networks. A complete decentralised approach to voltage control (VC) that fully utilises the reactive power capabilities of distribution wind generators is an emerging technology and one that has not yet been investigated extensively. This study explores the potentials of modern wind turbine technology integration to address the problem. It assesses such potentials on a realistic 289-node UK generic 11 kV distribution network using time-series optimal power flow simulations under constraint conditions. This study examines the power factor control and VC modes of operation of typical generators and proposes practical techniques that enhance greater connection capacities. The study successfully reveals that, operating the wind generators within a flexible reactive power capability limits effectively mitigates the voltage rise problem and maximises generation levels.

ORCID iDs

Danzerl, Daniel ORCID logoORCID: https://orcid.org/0000-0002-1116-6220, Gill, Simon ORCID logoORCID: https://orcid.org/0000-0002-4583-6042 and Anaya-Lara, Olimpo ORCID logoORCID: https://orcid.org/0000-0001-5250-5877;
CORE (COnnecting REpositories)