ZIV 7IRD-A - Recloser Settings (7 IRD-A;J Models)

Chapter 5. Settings
M7IRDA2003I
7IRD-A/J/M: Distribution Protection & Control Terminal
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020
5-4
Residual Current Element
Setting Range Step
Enable YES / NO
Pickup
Standard Ground Ratio (0.02 - 0.48) In 0.01 A
Optional Ground Ratio (0.1 - 1.2) In 0.01 A
Time Delay 0.05 - 300 s 0.01s
Open Phase Element
Setting Range Step
Enable YES / NO
Pickup (0.05 - 0.4) I
2
/I
1
0.05
I
2
= Negative Sequence Overcurrent
I
1
= Positive Sequence Overcurrent
Minimum Load (0.02 - 1) In 0.01 A
Time Delay 0.05 - 300s 0.01s
Breaker Failure Element
Setting Range Step
Enable YES / NO
Phase Pickup (0.04 - 0.48) In 0.01A
Ground Pickup (0.04 - 0.48) In 0.01A
Time Delay 0.05 - 0.70s 0.01s
Note: Pickup ratio for phase and ground elements are in I
n
function (5A or 1A). For example, for 5A the phase
time ratio is (1 - 12A).
5.1.4 Recloser Settings (7IRD-A/J Models)
Recloser in Service
Setting Range
Recloser in Service YES / NO
Recloser Timers
Setting Range Step
Phase to Phase Faults (1, 2, 3 and 4 attempts) 0.2 - 300 s 0.01 s
Phase to Ground Faults (1, 2, 3 and 4 attempts) 0.2 - 300 s 0.01 s
Recloser Sequence Control Timers
Setting Range Step
Reference Voltage Time Delay 0.5 - 300 s 0.01 s
Reclose Inhibit Time Delay 0.05 - 300s 0.01 s
Reset Time Phase to Phase Faults 0.05 - 300 s 0.01 s
Reset Time Phase to Ground Faults 0.05 - 300 s 0.01 s
Reset Time After Manual Close 0.05 - 300 s 0.01 s
Sequence Check Time 0.05 - 0.35 s 0.01 s
Time Delay on Manual Close 0.05 - 300 s 0.01 s