ABB RER615 Technical Manual

4.4.5.9 Technical data
Table 474: PSPTUV Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured voltage: f
n
±2 Hz
±1.5% of the set value or ±0.002 × U
n
Start time
1 2
U
Fault
= 0.99 × set Start
value
U
Fault
= 0.9 × set Start
value
Minimum Typical Maximum
52 ms
44 ms
55 ms
47 ms
58 ms
50 ms
Reset time Typically 40 ms
Reset ratio Depends on the set Relative hysteresis
Retardation time <35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
4.4.5.10 Technical revision history
Table 475: PSPTUV Technical revision history
Technical revision Change
B -
C Internal improvement
D Internal improvement
4.5 Frequency protection
4.5.1 Frequency protection FRPFRQ
4.5.1.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Frequency protection FRPFRQ f>/f<,df/dt 81
1
Start value = 1.0 × U
n
, positive-sequence voltage before fault = 1.1 × U
n
, f
n
= 50 Hz, positive
sequence undervoltage 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
Protection functions 1MRS758755 C
448 REC615 & RER615
Technical Manual

ABB RER615 Specifications

General

Brand	ABB
Model	RER615
Category	Relays
Language	English