Hitachi Relion 670 Series Operation Manual page 104

Section 10
Glossary
3I
O
3V
O
98
Three times zero-sequence current.Often referred to as the residual or the
ground-fault current
Three times the zero sequence voltage. Often referred to as the residual
voltage or the neutral point voltage
© 2017 - 2023 Hitachi Energy. All rights reserved
1MRK500127-UUS Rev. M
670 series
Operation manual