ABB REU615, Product Manual, Page: 28 / 60

Table 29. Three-phase non-directional overcurrent protection (PHxPTOC) main settings
Parameter Function Value (Range) Step
Start Value PHLPTOC 0.05...5.00 x I
n
0.01
PHHPTOC 0.10...40.00 x I
n
0.01
PHIPTOC 1.00...40.00 x I
n
0.01
Time multiplier PHLPTOC 0.05...15.00 0.01
PHHPTOC 0.05...15.00 0.01
Operate delay time PHLPTOC 40...200000 ms 10
PHHPTOC 40...200000 ms 10
PHIPTOC 20...200000 ms 10
Operating curve type
1)
PHLPTOC Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
17, 18, 19
PHHPTOC Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
PHIPTOC Definite time
1) For further reference please refer to the Operating characteristics table
Table 30. Three-phase overvoltage protection (PHPTOV)
Characteristic Value
Operation accuracy Depending on the frequency of the voltage measured: f
n
±2 Hz
±1.5% of the set value or ±0.002 x U
n
Start time
1)2) Minimum Typical Maximum
U
Fault
= 1.1 x set
Start value
22 ms 24 ms 26 ms
Reset time < 40 ms
Reset ratio Depends of the set
Relative hysteresis
Retardation time < 35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms
3)
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,…
1) Start value = 1.0 x U
n
, Voltage before fault = 0.9 x U
n
, f
n
= 50 Hz, overvoltage in one phase-to-phase with nominal frequency injected from random
phase angle, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Maximum
Start value = 1.20 x U
n
,
Start value multiples in range of 1.10 to 2.00
Voltage Protection and Control 1MRS757058 D
REU615
Product version: 4.0
28 ABB