Active distribution network with efficient utilisation of distributed generation ancillaryservices. Issue 4 (15th October 2018)

• Record Type: Journal Article
• Authors: Ampofo, Desmond O.; Al‐Hinai, Amer; El Moursi, Mohamed
• Is Part Of: IET smart grid. Volume 1:Issue 4(2018)
• Page Start: 151
• Page End: 158
• Publication Date: 2018-10-15
• Subjects: voltage regulators -- transient analysis -- power generation faults -- power grids -- reactive power -- invertors -- distributed power generation -- transient response -- power system transients -- on load tap changers -- power distribution planning -- optimisation; transient recovery -- comprehensive system optimisation -- transient response -- transient analysis -- grid fault -- dynamic margin -- inductive mode -- optimisation algorithm -- voltage profile -- system losses minimization -- on‐load tap changer position -- active distribution network planning -- voltage regulator set points -- capacitor bank -- transient performance -- dynamic performance -- distributed generation ancillary services -- renewable energy distributed generation -- dynamic reactive power reserve -- IBDGs -- transient operation -- dynamic operation; B0260 Optimisation techniques -- B8110D Power system planning and layout -- B8350 Transformers and reactors -- B8120K Distributed power generation -- B8360N DC‐AC power convertors (invertors); Smart power grids -- Periodicals; Computer science -- Periodicals; Energy industries -- Periodicals; Broadcasting -- Periodicals; 333.79110285
• DOI: 10.1049/iet-stg.2018.0045
• Languages: English
• ISSNs: 2515-2947

Abstract

Abstract : This study introduces an active distribution network with high penetration of inverter‐based distributed generations (IBDGs) to improve the steady state, dynamic and transient performance of the distribution network. The size and location of the IBDGs, capacitor bank, on‐load tap changers position and voltage regulator set points have been optimised to minimise the system losses, improve voltage profile and maximise the dynamic reactive power reserve. In addition to that, the adaptive master/slave roles are deployed in planning the active distribution network to achieve the best utilisation of each device based on its capability and response time in steady state, dynamic and transient operation. Indeed, the optimisation algorithm allows the IBDGs to operate in an inductive mode of operation during steady state resulted in maximising the dynamic reactive power reserve. Consequently, the IBDGs react with large dynamic margin in response to grid fault leading to enhanced voltage recovery and improved transient response. A comprehensive system optimisation and transient analysis are carried out to demonstrate the performance of the distribution network for enhancing the voltage profile, increasing the penetration level of renewable energy distributed generation, IBDGs, and improving the transient recovery in response to severe grid fault.