ABB
28
Feeder Protection and Control
REF615
Product version: 2.0
1MRS756379 D
Table 31. Directional EF protection (DEFxPDEF) main settings
Parameter
Function
Value (Range)
Step
Start value
DEFLPDEF
0.010...5.000 x I
n
0.005
DEFHPDEF
0.10...40.00 x I
n
0.01
Directional mode
DEFLPDEF
and
DEFHPDEF
1=Non-directional
2=Forward
3=Reverse
Time multiplier
DEFLPDEF
0.05...15.00
0.05
DEFHPDEF
0.05...15.00
0.05
Operate delay time
DEFLPDEF
60...200000 ms
10
DEFHPDEF
60...200000 ms
10
Operating curve type
1)
DEFLPDEF
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 17, 18, 19
DEFHPDEF
Definite or inverse time
Curve type: 1, 3, 5, 15, 17
Operation mode
DEFLPDEF
and
DEFHPDEF
1=Phase angle
2=I
0
Sin
3=I
0
Cos
4=Phase angle 80
5=Phase angle 88
Table 32. Transient/intermittent earth-fault protection (INTRPTEF)
Operation accuracy (U0 criteria
with transient protection)
Depending on the frequency of the current
measured: f
n
= ±2Hz
±1.5% of the set value or ±0.002 x U
n
Operate time accuracy
±1.0% of the set value or ±20 ms
Suppression of harmonics
DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5
Table 33. Transient/intermittent earth-fault protection (INTRPTEF) main settings
Parameter
Function
Value (Range)
Step
Directional mode
INTRPTEF
1=Non-directional
2=Forward
3=Reverse
Operate delay time
INTRPTEF
40...1200000 ms
10
Voltage start value (voltage start
value for transient EF)
INTRPTEF
0.01...0.50 x U
n
0.01
Operation mode
INTRPTEF
1=Intermittent EF
2=Transient EF
Peak counter limit
(Min requirement for peak counter
before start in IEF mode)
INTRPTEF
2...20
1) For further reference please refer to the Operating characteristics table at the end of the Technical data chapter
Summary of Contents for relion REF615
Page 1: ...Power Products Feeder Protection and Control REF615 Product Guide...
Page 53: ......
Page 54: ......
Page 55: ......
