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Digital relay is an important part of the power system and actually is based on fundamental frequency (50–60 Hz). Digital filter is applied for further processing and performs mathematical operations on sampled values. The digital signal processing (DSP) becomes more applied and used in proactive relays. Obviously, DSP is used in wide range of application (controls, radio, communications and other...
In general, the power quality analysis is a very complex issue and it requires a long-term measurement in real distribution networks. Moreover, the voltage has to be within specific voltage tolerance for the low-voltage distribution network. In this paper the measurement of the low-voltage network after the connection of a small photovoltaic power plant is evaluated. Therefore, the influence on the...
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