Three-Phase Overvoltage Protection (Phptov) - ABB REU615 Product Manual

Voltage Protection and Control
REU615
Product version: 4.0
Table 29. Three-phase non-directional overcurrent protection (PHxPTOC) main settings
Parameter
Start Value
Time multiplier
Operate delay time
1)
Operating curve type
1) For further reference please refer to the Operating characteristics table
Table 30. Three-phase overvoltage protection (PHPTOV)
Characteristic
Operation accuracy
1)2)
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
1) Start value = 1.0 x U , Voltage before fault = 0.9 x U
n
phase angle, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
Start value = 1.20 x U
3) Maximum ,
n
28
Function
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHIPTOC
Start value
U = 1.1 x set
Fault
, f = 50 Hz, overvoltage in one phase-to-phase with nominal frequency injected from random
n n
Start value multiples in range of 1.10 to 2.00
Value (Range) Step
0.05...5.00 x I 0.01
n
0.10...40.00 x I 0.01
n
1.00...40.00 x I 0.01
n
0.05...15.00 0.01
0.05...15.00 0.01
40...200000 ms 10
40...200000 ms 10
20...200000 ms 10
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, 9, 10, 12, 15, 17
Definite time
Value
Depending on the frequency of the voltage measured: f
±2 Hz
±1.5% of the set value or ±0.002 x U
Minimum Typical
22 ms 24 ms
< 40 ms
Depends of the set Relative hysteresis
< 35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n x f , where n = 2, 3, 4, 5,...
n
1MRS757058 D
n
n
Maximum
26 ms
3)
ABB