About DC arcing phenomenon in photovoltaic panels
By analyzing the time domain characteristic of the fault arc, it is found that the system can be used as a criterion for identifying the fault arc in the time domain when the fault arc is occurring, the change of the working point, the peak of the current peak and the amplitude of the standard difference.
By analyzing the time domain characteristic of the fault arc, it is found that the system can be used as a criterion for identifying the fault arc in the time domain when the fault arc is occurring, the change of the working point, the peak of the current peak and the amplitude of the standard difference.
This paper presents a comprehensive review of the-state-of-art techniques for DC arc faults detection in photovoltaic systems (PV). Different methods and the features used for detection are discussed and compared in detail. This paper also emphasizes the importance of DC arc fault simulation for characteristics study and fault diagnosis purpose.
Abstract: With the increase of existing photovoltaic power plants in operation period, electronic component aging, cable rupture, or loose contact animal bite and other reasons may lead to DC arc fault, and most of the PV array installed by long series of high voltage DC power supply, also increased the safety problems and the related arc. The .
Abstract – Renewable energy systems continue to be one of the fastest growing segments of the energy industry. This paper focuses on the understanding of how photovoltaic (PV) technology behaves under dc arc conditions. Emphasis is placed on the electrical safety aspect of DC arc flash incident energy evaluation.
In this paper an overview is given of the DC arc detection methods, focusing the attention on series arcs. An experimental characterization of the series arcs is also presented, with both laboratory and on-field tests, reproducing some arcing conditions, in accordance with the UL 1699B Standard requirements.
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