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R E F61 5 A N S I 5.0 FP1
FEED ER P R OT EC T I O N A N D CO N T R O L
Power quality functions
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Table 92. Voltage variation (PHQVVR)
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Table 93. Voltage unbalance (VSQVUB)
Characteristic
Value
Operation accuracy
±1.5% of the set value or ±0.2% of reference voltage
Reset ratio
Typically 0.96 (Swell), 1.04 (Dip, Interruption)
Characteristic
Value
Operation accuracy
±1.5% of the set value or ±0.002 × U
n
Reset ratio
Typically 0.96