KEPCO HSF 600W Series (suffix A and AM) Operator Manuals User Manual
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HSF(A) 600W 101013
5. Voltage Set Restrictions. When units are at light load (under 10% of nominal),
and voltage settings are less than 80% of nominal, voltage set restriction are
required. To avoid a “slave idle” condition (PF signal set, red ALARM indicator on)
the output voltage of all parallel-connected units must be set within 0.5% of each
other and be at least 80% of their nominal (rated) output voltage (90% for 48V
model).
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