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Protection Settings for Open Transition Scheme?

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budhiman

budhiman

Electrical
Jan 26, 2016
60
Hello All,

Is there a standard provides guideline on what should the 27 (Undervoltage), 59 (Overvoltage), 81 (Under & Over Frequency) and 47 (Phase Sequence) can be set for a Main-Gen-Tie-Gen-Main configuration (480V). It being open transition.
 
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