What is it about?

To detect the shading fault and the converter failure in a PV system and determine the maximum available solar power in the presence of these faults.

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Why is it important?

The main advantage of the proposed procedure is that it can detect shading fault in both MPP and non-MPP tracking operations, dc/dc converter, local controller failure, and short-circuit fault individually. Furthermore, it can effectively distinguish the aforementioned faults from each other. Moreover,it can distinguish both type of converter faults from each other. It is noteworthy that modeling and forecasting errors are also considered in the design procedure, which makes it possible to use it in on-line applications.

Perspectives

According to the fact that performance of power management systems heavily depends on the generation forecasts, in this paper, two types of faults which can decrease the output power of PV systems are studied: (1) shading fault, and (2) converter failure.

Dr Farzad Rajaei Salmasi
University of Tehran

Read the Original

This page is a summary of: Determination of maximum solar power under shading and converter faults—A prerequisite for failure-tolerant power management systems, Simulation Modelling Practice and Theory, March 2016, Elsevier,
DOI: 10.1016/j.simpat.2016.01.011.
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