access icon free Output power fluctuations of distributed photovoltaic systems across an isolated power system: insights from high-resolution data

© The Institution of Engineering and Technology
Received 17/05/2020, Accepted 19/08/2020, Revised 30/07/2020, Published 18/12/2020

Deployment of distributed energy resources has rapidly increased during the last few years. The uptake of renewable energy and especially photovoltaic (PV) systems are of interest to utilities in remote and rural areas where the use of conventional power generation is costly. Investigating the effects of such PV systems on isolated power systems at different penetration levels is a relevant research topic. This study reports on the data acquisition system deployed in a remote town in Western Australia and presents some of the findings and observations extracted from the captured real data. It highlights the maximum PV output variations and investigates the underlying factors. The impact of the PV systems on the voltage across the network is also analysed in this study. The studies show that inverter tripping events have led to larger PV output variations in shorter intervals while the cloud movements have contributed to variations in longer intervals.

Inspec keywords: data acquisition; distributed power generation; photovoltaic power systems

Other keywords: remote areas; renewable energy; captured real data; data acquisition system; output power fluctuations; PV systems; maximum PV output variations; isolated power system; rural areas; conventional power generation; larger PV output variations; high-resolution data; distributed photovoltaic systems; distributed energy resources

Subjects: Solar power stations and photovoltaic power systems; Data acquisition systems; Distributed power generation

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