Eaton EDR-5000 Nstallation, Operation And Maintenance Manual page 923

Low Voltage Ride Through Protection:
LVRT
Voltage Pickup (Start)
Voltage Dropout Ratio (Recover)
Tripping time delay
Operating Time
Starting from
V lower than 0.9 x pickup value
Disengaging Time
Voltage unbalance:
47[x]
Threshold
%(V2/V1)
t
Operating Time
Disengaging Time
*1) Negative-sequence voltage V2 must be ≥ 0.01 x Vn, V1 must be ≥ 0.1 x Vn.
Over Frequency Protection:
81O[x]
Threshold
Dropout
t
Operating time
Starting from f higher than f> + 0.02 Hz
Disengaging time
Under Frequency Protection:
81U[x]
Threshold
Dropout
t
Operating time
Starting from f lower than f< - 0.02 Hz
Disengaging time
Undervoltage-blocking Frequency:
Blocking below 15% Vn
V Block f
Dropout ratio
*1) Accurracy is given for rated frequency fn±10%.
EDR-5000
±1.5% of the setting value or 1% Vn
Adjustable, at least 0.5% Vn
±1% from settings or ±10 ms
<35 ms
<45 ms
±2% of the setting value or 1% Vn
±1%
DEFT
±1% or ±10 ms
<60 ms
<45 ms
±10 mHz at fn
< 0.05% fn
±1% or ±10 ms
<100 ms
+ 0.1 Hz typically 70 ms
+ 2.0 Hz typically 50 ms
<120 ms
±10 mHz at fn
< 0.05% fn
±1% or ±10 ms
<100 ms
- 0.1 Hz typically 70 ms
- 2.0 Hz typically 50 ms
<120 ms
for phase-voltage frequency
Vn: 0.57 * rated Main VT, for Wye connection
Vn: 1.0 * rated Main VT, for Open-Delta connection.
±1.5% of the setting value or 1% Vn
120% or 0.5% Vn
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Accuracy
*1)
Accuracy
Accuracy *1)
Accuracy *1)
Accuracy *1)
IM02602007E
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