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ABB RELION REX640 - 4.1.2.13 Technical revision history

ABB RELION REX640
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Characteristic Value
Phase angle: ±2°
DPHHPDOC
Current:
±1.5% of the set value or ±0.002 × I
n
(at currents in the range of 0.1…10 × I
n
)
±5.0% of the set value
(at currents in the range of 10…40 × I
n
)
Voltage:
±1.5% of the set value or ±0.002 × U
n
Phase angle: ±2°
Start time
1, 2
I
Fault
= 2.0 x set
Start value
Minimum Typical Maximum
39 ms 43 ms 47 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <35 ms
Operate time accu-
racy in definite time
mode
±1.0% of the set value or ±20 ms
Operate time accu-
racy in inverse time
mode
±5.0% of the theoretical value or ±20 ms
3
Suppression of har-
monics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
4.1.2.13 Technical revision history
Table 413: DPHLPDOC Technical revision history
Product
connectivi
ty level
Technical
revision
Change
PCL4 G Setting
Start value
maximum value extended to 10.00xIn.
1
Measurement mode
and
Pol quantity
= default, current before fault = 0.0 × I
n
, voltage before fault
= 1.0 × U
n
, f
n
= 50 Hz, fault current in one 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
Maximum
Start value
= 2.5 × I
n
,
Start value
multiples in range of 1.5...20
Protection functions 1MRS759142 F
368 REX640
Technical Manual

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