Arc Extinguishing in the DC and Photovoltaic Networks
Keywords:
DC current, extinguishing chamber, PV source, switchgearAbstract
In this contribution the various behaviors of arc voltage created with extinguishing system and the influence
on current and energy released behavior in the extinction system are theoretically and experimentally
analyzed. In the area of photovoltaic it represents the increase of working voltages up to 1500 V. In
the experimental part the oscilogrammes of DC current interruption with various extinction systems are
presented. For the reliability of current interruption mainly in the photovoltaic (PV) networks it is necessary
to dedicate increased attention to development and design of switch and protection gears.
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Copyright (c) 2015 L. Hüttner, L. Jurčacko, F. Valent, M. Váry
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