Name Type Values (Range) Unit Description
ANGLE_RCA FLOAT32 -180.00...180.00 deg Angle between operating
angle and characteristic
angle
RES_POWER
FLOAT32 -160.000...160.0
00
xPn Calculated residual
active power
WPWDE Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.2.6.11 Technical data
Table 384: WPWDE Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured
current: f
n
±2 Hz
Current and voltage:
±1.5% of the set value or ±0.002 × I
n
Power:
±3% of the set value or ±0.002 × P
n
Start time
1)2)
Typically 63 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in IDMT mode ±5.0% of the set value or ±20 ms
Suppression of harmonics -50 dB at f = n × f
n
, where n = 2,3,4,5,…
1) Io varied during the test, Uo = 1.0 × U
n
= phase-to-earth voltage during earth fault in compensated or
unearthed network, the residual power value before fault = 0.0 pu, f
n
= 50 Hz, results based on
statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
4.2.7 Multifrequency admittance-based earth-fault protection
MFADPSDE
4.2.7.1 Identification
Description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Multifrequency admittance-based
earth-fault protection
MFADPSDE Io> ->Y 67YN
1MRS758755 A Section 4
Protection functions
REC615 and RER615 373
Technical Manual
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