ABB RELION Series, Technical Manual

Page: 257 / 804

4.1.2.11 Technical data
Table 265: (F)DPHxPDOC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the current/voltage
measured: f
n
±2 Hz
(F)DPHLPDOC
Current:
±1.5% of the set value or ±0.002 × I
n
Voltage:
±1.5% of the set value or ±0.002 × U
n
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)
Minimum Typical Maximum
I
Fault
= 2.0 × set
Start
value
39 ms 43 ms 47 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms
3)
±5.0% of the theoretical value or ±40 ms
3)4)
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
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
4) Valid for (F)DPHLPDOC
4.1.2.12 Technical revision history
Table 266: DPHHPDOC Technical revision history
Technical revision Change
B Added a new input
NON_DIR
C Step value changed from 0.05 to 0.01 for the
Time
multiplier setting.
D Monitored data VMEM_USED indicating voltage
memory use.
E Internal improvement.
1MRS758755 A
Section 4
Protection functions
REC615 and RER615 251
Technical Manual