Bowtell, L. A. and Ahfock, A. L. (2010) Dynamic analysis of a DC offset controller for grid-connected inverters. In: AUPEC 2010: Power Quality for the 21st Century , 5-8 Dec 2010, Christchurch, New Zealand.
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DC injection limits into the AC network are an important power quality control requirement for gridconnected photovoltaic systems. Most publications on DC offset controllers focus only on their steady state performance. It is important to consider their dynamic performance especially in terms of speed of response and stability. In this paper a mathematical model for a digitally implemented DC offset controller is derived. A design procedure, based on the model, is proposed for the controller. Results of tests performed on a system of 1kW nominal rating, provide validation for the mathematical model.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||Permanent restricted access to Published Version due to publisher copyright policy.|
|Uncontrolled Keywords:||dynamic dc-offset control; digital dc-offset control; AC networks; DC injection; DC offsets; design procedure; dynamic performance; grid connected inverters; grid-connected photovoltaic system; speed of response; steady state performance|
|Fields of Research (FOR2008):||09 Engineering > 0913 Mechanical Engineering > 091305 Energy Generation, Conversion and Storage Engineering|
09 Engineering > 0906 Electrical and Electronic Engineering > 090605 Photodetectors, Optical Sensors and Solar Cells
09 Engineering > 0906 Electrical and Electronic Engineering > 090608 Renewable Power and Energy Systems Engineering (excl. Solar Cells)
|Socio-Economic Objective (SEO2008):||D Environment > 96 Environment > 9603 Climate and Climate Change > 960302 Climate Change Mitigation Strategies|
|Deposited On:||05 May 2011 15:01|
|Last Modified:||18 Apr 2012 09:51|
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