ABB RER620, Product Manual

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Table 28. 46PD technical data
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Table 29. Three-phase inrush current detection (INR)
Characteristic Value
Operation accuracy
Depending on the frequency of the current
measured: f
n
±2Hz
±2% of the set value
Pickup time < 70 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
Pickup accuracy
At the frequency f=f
n
Current measurement:
±1.5% of set value or ±0.002 x I
n
Ratio I2f/I1f measurement: ±5.0% of set value
Reset time +35 ms / -0 ms
Reset ratio Typical 0.96
Trip time accuracy +35 ms / -0 ms
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Table 30. 59 technical data
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
22 ms 24 ms 26 ms
Reset time < 40 ms
Reset ratio Depends on the 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,…-
1)
Pickup value = 1.0 x V
n
, Voltage before fault 0.9 x V
n
, f
n
= 60 Hz, overvoltage in one phase-to-phase with nominal frequency injected from random phase angle, results based on sta -
tistical distribution of 1000 measurements
2)
Includes the delay of the signal output contact
3)
Maximum Pickup value = 1.20 x V
n
, Pickup range multiples in range of 1.10 to 2.00