ABB RED615 Product Manual page 35

ABB
Line Differential Protection and Control
RED615
Product version: 2.0
Table 32. Directional EF protection (DEFxPDEF) main settings
Parameter
Start Value
Directional mode
Time multiplier
Operate delay time
Operating curve
1)
type
Operation mode
1) For further reference please refer to the Operating characteristics table at the end of the Technical data chapter
Table 33. Transient/intermittent earth-fault protection (INTRPTEF)
Characteristic
Operation accuracy (U
0
transient protection)
Operate time accuracy
Suppression of harmonics
Function
DEFLPDEF
DEFHPDEF
DEFLPDEF and
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF and
DEFHPDEF
criteria with
Value (Range)
0.01...5.00 x I
n
0.10...40.00 x I
n
1=Non-directional
2=Forward
3=Reverse
0.05...15.00
0.05...15.00
60...200000 ms
60...200000 ms
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 17, 18, 19
Definite or inverse time
Curve type: 1, 3, 5, 15, 17
1=Phase angle
2=I Sin
0
3=I Cos
0
4=Phase angle 80
5=Phase angle 88
Value
Depending on the frequency of the current
measured: f ±2Hz
n
±1.5% of the set value or ±0.002 x U
±1.0% of the set value or ±20 ms
DFT: -50dB at f = n x f
n
1MRS756500 B
Issued: 03.07.2009
Step
0.005
0.01
0.05
0.05
10
10
n
, where n = 2, 3, 4, 5
35