ABB RER620 Product Manual page 26

26 R E R 6 2 0 A D VA N C E D R E C LO S E R P R OT E C T I O N & C O N T R O L
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Table 31. 27 technical data
Characterstic
Operation accuracy
Pickup time V = 0.9 x set Pickup value Minimum
1) 2)
Fault
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Trip time accuracy in inverse time mode
Suppression of harmonics
1) Pickup value = 1.0 x V , Voltage before fault 1.1 x V
n
statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Minimum Pickup range = 0.50, Pickup range multiples in range of 0.90 to 0.20
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Table 32. 59G technical data
Characteristic
Operation accuracy
Pickup time V = 1.1 x set Pickup value
1) 2)
Fault
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Suppression of harmonics
1) Ground voltage before fault 0.0 x V , f
n
surements
2) Includes the delay of the signal output contact
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Table 33. 47 technical data
Characteristic
Operation accuracy
Pickup time
1) 2)
V = 1.1 x set Pickup value 29 ms
Fault
V = 2.0 x set Pickup value 24 ms
Fault
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Suppression of harmonics
Negative sequence voltage before fault 0.0 x U
1)
distribution of 1000 measurements
2) Includes the delay of the signal output contact
Value
Depending on the frequency of the current measured: f
±1.5% of the set value or ±0.002 x V
62 ms
< 40 ms
Depends on 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: -50dB at f = n x f
, f = 50 Hz, undervoltage in one phase-to-phase with nominal frequency injected from random phase angle, results based on
n n
Value
Depending on the frequency of the current measured: f
±1.5% of the set value or ±0.002 x V
Minimum
29 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
DFT: -50dB at f = n x f
= 50 Hz, residual voltage with nominal frequency injected from radom phase angle, results based on statistical distribution of 1000 mea-
n
Value
Depending on the frequency of the current measured: f
±1.5% of the set value or ±0.002 x V
Minimum
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
DFT: -50dB at f = n x f
, f = 50 Hz, negative sequence overvoltage with nominal frequency injected from random phase angle, results based on statistical
n n
n
Typical
64 ms
3)
, where n = 2, 3, 4, 5,...-
n
n
Typical
31 ms
, where n = 2, 3, 4, 5,...-
n
n
Typical
31 ms
26 ms
, where n = 2, 3, 4, 5,...-
n
±2Hz
n
Maximum
66 ms
±2Hz
n
Maximum
32 ms
±2Hz
n
Maximum
32 ms
28 ms