Economical distributed voltage control in low-voltage grids with high penetration of photovoltaic

Obinna Unigwe, Dahunsi Okekunle, Aristides Kiprakis

Research output: Contribution to conferencePaperpeer-review

Abstract

This study presents an economical distributed control scheme for operations in the low-voltage network. The scheme aims to keep bus voltages within the desired statutory range of values while increasing the penetration of solar photovoltaic (PV) renewable energy within the network. Rather than curtailment, battery energy storage system (BESS) is first brought to action by the controllers during periods of high output from PV. This is followed by reactive power action if overvoltage persists, and finally PV power curtailment as a last option. Simulations carried out on the test network show that in addition to successful overvoltage mitigation, the scheme is economical as it employs use of fewer BESS.

Original languageEnglish
Pages1722-1725
Number of pages4
DOIs
Publication statusPublished - 1 Oct 2017
Event24th International Conference and Exhibition on Electricity Distribution, CIRED 2017 - Glasgow, United Kingdom
Duration: 12 Jun 201715 Jun 2017

Conference

Conference24th International Conference and Exhibition on Electricity Distribution, CIRED 2017
CountryUnited Kingdom
CityGlasgow
Period12/06/1715/06/17

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