Characteristic Value
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)
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,…
1)
Measurement mode
and
Pol quantity
= default, current before fault = 0.0 x I
n
, voltage before fault =
1.0 x 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 x I
n
,
Start value
multiples in range of 1.5 to 20
4.1.3.12 Technical revision history
Table 210: DPHLPDOC 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.
Table 211: 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.
4.1.4 Three-phase directional overcurrent protection
DPH3xPDOC
4.1.4.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Three-phase directional overcurrent
protection - Low stage
DPH3LPDOC 3I> -> 67-1
Three-phase directional overcurrent
protection - High stage
DPH3HPDOC 3I>> -> 67-2
Section 4 1YHT530004D05 D
Protection functions
200 615 series
Technical Manual
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