P746/EN TD/G31 Technical Data
(TD) 2-8
MiCOM P746
TD
V<Status / V1<Status / V2>Status /
VN>Status
∗ Disabled / Enabled
V<Set / V1<Set:
∗ 10…120V (step 1V)
V2>Set:
∗ 1…110V (step 1V)
VN>Set:
∗ 1…80V (step 1V)
Pickup timer:
∗ 0…10.00s (step 10ms)
Dead Zone protection
Disabled/Enabled
I>Current Set:
∗ 10%... 400% (step 1%)
Time delay:
∗ 0,00…100,00s (step 10ms)
Breaker failure protection
Caution: the following current set values are
expressed in multiple of the local CT’s nominal
rated current inp (primary) or ins (secondary).
Breaker Failure
1
ST
phase O/C threshold (dead pole detection
for 50BF):
∗ I<: 0.05...1.00 xIn
Confirmation I>:
∗ Disabled/Enabled
2
nd
phase O/C threshold:
∗ I>: 0.05...4.00 xIn
Confirmation I
N
>:
∗ Disabled/Enabled
2
nd
residual O/C threshold:
∗ I
N
>: 0.05...4.00 xIn
Timers for 50BF internal tripping
CB fail 1 timer:
∗ tBF1: 0.00 s...10.00 s
CB fail 2 timer:
∗ tBF2: 0.00 s...10.00 s
Timers for 50BF external tripping (orders
from 21 or 87Tetc.)
CB fail 1 timer:
∗ TBF3: 0.00 s......10.00 s
CB fail 2 timer:
∗ TBF4: 0.00 s......10.00 s
To Next Page
Loading...