3-12 Overcurrent, Voltage, Synchronism Check, and Frequency Elements Date Code 990430
SEL-351P Manual Técnico
Residual Ground Instantaneous/Definite-Time Overcurrent Elements
Four levels of residual ground instantaneous/definite-time overcurrent elements are available.
Two additional levels of residual ground instantaneous overcurrent elements (Levels 5 and 6) are
also available. The different levels are enabled with the E50G enable setting, as shown in
Figure SECTION 3: .10 and Figure SECTION 3: .11.
Figure SECTION 3: .10: Levels 1 through 4 Residual Ground Instantaneous/Definite-
Time Overcurrent Elements (with Directional Control Option)