from 28 June 2015 to 3 July 2015 (Africa/Johannesburg)
Africa/Johannesburg timezone
SAIP2015 Proceeding published on 17 July 2016
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Energy yield monitoring of photovoltaic technologies

Presented by Mr. Ross SCHULTZ on 1 Jul 2015 from 15:00 to 15:20
Type: Oral Presentation
Session: Applied
Track: Track F - Applied Physics


Photovoltaics (PV) has been recognised as one of the major renewable energy sources to be used in South Africa on a large scale. One of the fundamental questions is which technology is best to deploy in specific areas in order to generate the highest energy yield. The main focus of this study is to obtain high temporal resolution performance data from various PV technologies operation in different climatic regimes in Southern Africa. This will facilitate the determination of the suitability of a PV technology for a specific region. The study involved the establishment of an energy yield monitoring network based on commercial PV module monitoring stations capable of measuring PV module current-voltage (I-V) curves periodically, typically every minute. In addition, meteorological data such as plane of array (POA) irradiance, humidity, wind speed and direction, ambient temperature as well as back of module temperatures are also recorded. In this paper we report on the system design, installation and commissioning, data analysis and give preliminary results. These initial results are used to demonstrate the value of high temporal resolution performance data and also for detailed energy yield analysis.






EE van Dyk