ABB RER620 Product Manual page 25

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Table 28. 46PD technical data
Characteristic
Operation accuracy
Pickup time
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Suppression of harmonics
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Table 29. Three-phase inrush current detection (INR)
Characteristic
Pickup accuracy
Reset time
Reset ratio
Trip time accuracy
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Table 30. 59 technical data
Characteristic
Operation accuracy
Pickup time 1) 2) V = 1.1 x set Pickup value
Fault
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Trip time accuracy in inverse time mode
Suppression of harmonics
Pickup value = 1.0 x V , Voltage before fault 0.9 x V
1)
n
tistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Maximum Pickup value = 1.20 x V , Pickup range multiples in range of 1.10 to 2.00
n
Value
Depending on the frequency of the current measured: f
±1.5% of the set value or ±0.002 x V
Minimum
22 ms
< 40 ms
Depends on the 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 , where n = 2, 3, 4, 5,...-
n
, f = 60 Hz, overvoltage in one phase-to-phase with nominal frequency injected from random phase angle, results based on sta-
n n
Value
Depending on the frequency of the current
measured: f ±2Hz
n
±2% of the set value
< 70 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
DFT: -50dB at f = n x f , where n = 2, 3, 4, 5,...
n
Value
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
+35 ms / -0 ms
Typical 0.96
+35 ms / -0 ms
±2Hz
n
n
Typical
24 ms
3)
25
Maximum
26 ms