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Back flashover generated from a lightning stroke hit on an overhead ground wire or a pole is one of the major causes of sustained interruption in Metropolitan Electricity Authority (MEA)'s distribution system. One effective way to reduce the effects of lightning overvoltage from back flashover is an attachment of external ground wire connected between the overhead ground wires and a ground rod. This...
This paper presents the harmonic study and evaluation when low-voltage adjustable-speed drives (ASDs) are employed in an industrial plant. The procedure of harmonic study is proposed in step-by-step fashion, starting from the analysis of input current characteristics of ASDs. The single-tune filter design with the parameters of the actual network is reviewed and discussed. The evaluation of harmonic...
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