Specifications
Rate of Change of Frequency:
DF/DT
Accuracy
DF
±20 mHz at fn
DT
±1% or ±10 ms
Vector surge:
delta phi
Accuracy
delta phi
±0.5° [1-30°] at Vn and fn
Operating time
<40 ms
ReCon / Reconnection
Tolerance
VLL-Release
±1.5% of the setting value or ±1% Vn
Dropout Ratio
98% or 0.5% Vn for VLL>
102% or 0.5% Vn for VLL<
f
±20 mHz at fn
Dropout
< 0.05% fn
t-Release
±1% or ±10 ms
Operating Time
<100 ms
Trip Circuit Supervision:
TCS
Accuracy
t-TCS
±1% or ±10 ms
Voltage Transformer Supervision:
VTS
Accuracy
ΔV
±2% of the setting value or 1.5% Vn
Dropout Ratio
94%
Alarm delay
±1% or ± 10 ms
654
MRU4
DOK-HB-MRU4-2E
