SE-601 DC GROUND-FAULT PROTECTION
●When there is no ground fault, 12 mA of current will flow through the SE GRM. When a ground fault occurs, ground-fault current will flow through the ground to the SE 601, through internal 25-Ω resistance in the SE-601, to the S terminal, and through the SE GRM to the unfaulted line (refer to Fig. 2). The resistance of the SE-GRM will limit the ground-fault current to a maximum of 25 mA. The SE-601 has a digital-switch selectable ground-fault current trip range from 1 to 20 mA, and a digital-switch selectable trip delay time range of 50 ms to 2.5 s. The SE-601 will trip when the ground-fault current exceeds the selected settings.
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Protection Relays 、 microprocessor-based ground-fault monitor |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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110818 |
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Rev: 110818 |
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TN-GF06 |
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231 KB |
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