ABB RELION 620 Series Technical Manual page 774

Section 4
Protection functions
4.10.9
4.10.10
4.11
4.11.1
4.11.2
768
Technical data
Table 728: STTPMSU Technical data
Characteristic
Operation accuracy
Start time 1)2)
I
Fault
detection A
Operate time accuracy
Reset ratio
1) Current before = 0.0 × I , f
n
of 1000 measurements
2) Includes the delay of the signal output contact
Technical revision history
Table 729: STTPMSU Technical revision history
Technical revision
B
C
Multipurpose protection MAPGAPC
Identification
Function description
Multipurpose protection
Function block
GUID-A842A2C8-0188-4E01-8490-D00F7D1D8719 V2 EN
Figure 393: Function block
Value
Depending on the frequency of the measured
current: f
±1.5% of the set value or ±0.002 × I
Minimum
= 1.1 × set Start
27 ms
±1.0% of the set value or ±20 ms
Typically 0.90
= 50 Hz, overcurrent in one phase, results based on statistical distribution
n
Change
Internal improvement
Added setting
IEC 61850
identification
MAPGAPC
1MRS757644 F
±2 Hz
n
n
Typical Maximum
30 ms 34 ms
Ini start up counter .
IEC 60617 ANSI/IEEE C37.2
identification device number
MAP MAP
Technical Manual
620 series