ABB RER620, Руководство по эксплуатации продукта

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R E R6 20
A DVA N C ED R EC LOSER P R OT EC T I O N & CO N T R O L
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Table 31. 27 technical data
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Table 32. 59G technical data
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Table 33. 47 technical data
Characterstic Value
Operation accuracy
Depending on the frequency of the current measured: f
n
±2Hz
±1.5% of the set value or ±0.002 x V
n
Pickup time
1) 2)
V
Fault
= 0.9 x set Pickup value Minimum Typical Maximum
62 ms 64 ms 66 ms
Reset time < 40 ms
Reset ratio Depends on the set Relative hysteresis
Retardation time < 35 ms
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Trip time accuracy in inverse time mode ±5.0% of the theoretical value or ±20 ms
3)
Suppression of harmonics DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…-
Characteristic Value
Operation accuracy
Depending on the frequency of the current measured: f
n
±2Hz
±1.5% of the set value or ±0.002 x V
n
Pickup time
1) 2)
V
Fault
= 1.1 x set Pickup value
Minimum Typical Maximum
29 ms 31 ms 32 ms
Reset time < 40 ms
Reset ratio Typical 0.96
Retardation time < 35 ms
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…-
Characteristic Value
Operation accuracy
Depending on the frequency of the current measured: f
n
±2Hz
±1.5% of the set value or ±0.002 x V
n
Pickup time 1) 2) Minimum Typical Maximum
V
Fault
= 1.1 x set Pickup value 29 ms 31 ms 32 ms
V
Fault
= 2.0 x set Pickup value 24 ms 26 ms 28 ms
Reset time < 40 ms
Reset ratio Typical 0.96
Retardation time < 35 ms
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…-
1)
Pickup value = 1.0 x V
n
, Voltage before fault 1.1 x V
n
, f
n
= 50 Hz, undervoltage 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)
Minimum Pickup range = 0.50, Pickup range multiples in range of 0.90 to 0.20
1) Ground voltage before fault 0.0 x V
n
, f
n
= 50 Hz, residual voltage with nominal frequency injected from radom phase angle, results based on statistical distribution of 1000 mea -
surements
2) Includes the delay of the signal output contact
1) Negative sequence voltage before fault 0.0 x U
n
, f
n
= 50 Hz, negative sequence overvoltage 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