ABB RELION 615 SERIES Product Manual page 32

Voltage Protection and Control
REU615
Product version: 5.0 FP1
Table 41. Frequency protection (FRPFRQ)
Characteristic
Operation accuracy
Start time
Reset time
Operate time accuracy
Table 42. Frequency protection (FRPFRQ) main settings
Parameter
Operation mode
Start value Freq>
Start value Freq<
Start value df/dt
Operate Tm Freq
Operate Tm df/dt
Table 43. Three-phase thermal overload protection, two time constants (T2PTTR)
Characteristic
Operation accuracy
1)
Operate time accuracy
1) Overload current > 1.2 x Operate level temperature
Table 44. Three-phase thermal overload protection, two time constants (T2PTTR) main settings
Parameter
Temperature rise
Max temperature
Operate temperature
Short time constant
Weighting factor p
Current reference
Operation
32
f>/f<
df/dt
f>/f<
df/dt
Function
FRPFRQ
FRPFRQ
FRPFRQ
FRPFRQ
FRPFRQ
FRPFRQ
Function
T2PTTR
T2PTTR
T2PTTR
T2PTTR
T2PTTR
T2PTTR
T2PTTR
Value
±5 mHz
±50 mHz/s (in range |df/dt| <5 Hz/s)
±2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s)
<80 ms
<120 ms
<150 ms
±1.0% of the set value or ±30 ms
Value (Range)
1 = Freq<
2 = Freq>
3 = df/dt
4 = Freq< + df/dt
5 = Freq> + df/dt
6 = Freq< OR df/dt
7 = Freq> OR df/dt
0.9000...1.2000 × f
n
0.8000...1.1000 × f
n
-0.2000...0.2000 × f /s
n
80...200000 ms
120...200000 ms
Value
Depending on the frequency of the measured current: f
Current measurement: ±1.5% of the set value or ±0.002 x I
in the range of 0.01...4.00 x I )
n
±2.0% of the theoretical value or ±0.50 s
Value (Range)
0.0...200.0°C
0.0...200.0°C
80.0...120.0%
6...60000 s
0.00...1.00
0.05...4.00 × I
n
1 = on
5 = off
1MRS757058 K
Step
-
0.0001
0.0001
0.005
10
10
±2 Hz
n
(at currents
n
Step
0.1
0.1
0.1
1
0.01
0.01
-
ABB