ZIV 7IRD-A - Protection Settings

Chapter 5. Settings
5-3
M7IRDA2003I
7IRD-A/J/M: Distribution Protection & Control Terminal
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020
5.1.3 Protection Settings
Phase Time Overcurrent Element
Setting Range Step
Enable YES / NO
Pickup (0.2 - 2.4) In 0.01A
Time Curve Definite Time
Inverse
Very Inverse
Extremely Inverse
User Programmable
Time Dial 0.05 - 1 0.01
Definite Time Dial 0.05 - 100s 0.01s
Torque Control (Pickup Blocking Enable) YES / NO
Ground Time Overcurrent Element
Setting Range Step
Enable YES / NO
Pickup
Standard Ground Ratio (0.04 - 0.48) In 0.01A
Optional Ground Ratio (0.1 - 1.2) In 0.01A
Time Curve Definite Time
Inverse
Very Inverse
Extremely Inverse
User Programmable
Time Dial 0.05 - 1 0.01
Definite Time Dial 0.05 - 100s 0.01s
Torque Control (Pickup Blocking Enable) YES / NO
Phase Instantaneous Overcurrent Element (7IRD-A/M)
Phase1 and Phase 2 Instantaneous Overcurrent Element (7IRD-J)
Setting Range Step
Enable YES / NO
Pickup (0.1 - 30) In 0.01A
Time Delay 0 - 100s 0.01s
Torque Control (Pickup Blocking Enable) YES / NO
Ground Instantaneous Overcurrent Element (7IRD-A/M)
Ground and Ground 2 Instantaneous Overcurrent Element (7IRD-J)
Setting Range Step
Enable YES / NO
Pickup
Standard Ground Ratio (0.1 - 12) In 0.01 A
Optional Ground Ratio (0.1 - 30) In 0.01 A
Time Delay 0 - 100s 0.01s
Torque Control (Pickup Blocking Enable) YES / NO