Technical Data; Three-Phase Directional Underpower Protection 32U; Identification; Function Block - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
4.4.3.9
4.4.4
4.4.4.1
4.4.4.2
360

Technical data

Table 298: 32O Technical data
Characteristic
Operation accuracy
1)2)
Pickup time
Reset time
Reset ratio
Redardation time
Operate time accuracy
1) Based on nominal voltage and frequency
2) Includes the delay of the signal output contact

Three-phase directional underpower protection 32U

Identification

Function description
Three-phase directional underpower
protection

Function block

I3P
U3P
DISABLE
BLOCK
BLK_TRIP
BLK_PICKUP
FR_TIMER
GUID-28F2A123-4039-4B2A-863A-0CFC28243CED V1 EN
Figure 166: Function block
Value
At the frequency f = f
±3% of the set value or ±0.002 × S
Phase angle: ±2°
Typically 20 ms (±15 ms)
<40 ms
Typically 0.94
<45 ms
±1.0% of the set value of ±20 ms
IEC 61850 IEC 60617
identification identification
DUPPDPR P<
32U
TRIP
PICKUP
1MAC504801-IB E
n
n
ANSI/IEEE C37.2
device number
32U
620 series ANSI
Technical Manual