ABB RELION 630 Series Product Manual page 27

Generator Protection and Control
REG630
Product version: 1.3
Table 31. 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, see the Operation characteristics table
Table 32. Voltage dependent overcurrent protection (PHPVOC)
Characteristic
Operation accuracy
1)2)
Start time
Reset time
Reset ratio
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
1) Measurement mode = default, current before fault = 0.0 × I
distribution of 1000 measurements.
2) Includes the delay of the signal output contact.
ABB
Function
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHIPTOC
, f = 50 Hz, fault current in one phase with nominal frequency injected from random phase angle, results based on statistical
n n
Value (Range)
0.05...5.00 pu
0.10...40.00 pu
0.10...40.00 pu
0.05...15.00
0.05...15.00
0.04...200.00 s
0.02...200.00 s
0.02...200.00 s
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
At the frequency f = f
n
Current: ±1.5% of the set value or ±0.002 × I
Voltage: ±1.5% of the set value or ±0.002 × U
Typically 20 ms (±10 ms)
<45 ms
Typically 0.96
±1.0% of the set value of ±20 ms
±5.0% of the set value of ±20 ms
-50 dB at f = n × f , where n = 2, 3, 4, 5,...
n
1MRS757583 C
Step
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
n
n
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