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PQ-protection:
32[x]/32V[x]
Threshold
Dropout Ratio
t
Operating time
Disengaging time
*1) Common reference conditions: at |PF|>0.5, symmetrically fed, at fn and 0.8 - 1.3 x Vn (Vn=100V)
Breaker Failure Protection:
50BF
I-BF>
t-BF
Operating Time
Starting from I Higher than 1.3 x I-BF>
Disengaging Time
Trip Circuit Monitoring:
TCM
t-TCM
Current Transformer Supervision:
CTS
ΔI
Dropout Ratio
Pickup delay
Loss of Potential:
LOP
t-Pickup
EMR-4000
±3% or ±0.1% VAn
97% or 1 VA
103% or 1 VA for Under-protection
for setting values ≤ 0.1 Sn:
60% or 0.5 VA
140% or 0.5 VA
for setting values ≤ 0.01 Sn
60% or 0.2 VA
140% or 0.2 VA
±1% or ±10 ms
<100 ms
75 ms typically
100 ms
±1.5% of the setting value or1% In
±1% or ±10 ms
<40 ms
<40 ms
±1% or ±10 ms
±2% of the setting value or 1.5% In
94%
±1% or ± 10 ms
±1% or ±10 ms
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Accuracy
for Over-protection
for Over-protection
for Under-protection
for Over-protection
for Under-protection
Accuracy
Accuracy
Accuracy
Accuracy
IM02602009E
854
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