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This paper presents an experimental investigation into the operating characteristics of residual current devices (RCDs) under an unbalanced current. The unbalanced current included the harmonic current, ground fault current, and surge current. A testing system was first set up in the laboratory, and the minimum values of the current causing RCD samples to trip were recorded. To obtain consistent testing...
This paper presented an experimental investigation into operating characteristics of RCDs under an unbalanced current. The unbalanced current included the harmonic current, ground fault current, and surge current. A testing system was first set up in the laboratory, and the minimum value of the current causing RCD samples to trip were recorded. To obtain consistent testing results, RCD samples under...
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