ABB 615 Series - Technical Data

4.10.9 Technical data
Table 658: 66/51LRS Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the measured
current: f
n
±2 Hz
±1.5% of the set value or ±0.002 × I
n
Pickup time
1)2)
Minimum Typical Maximum
I
Fault
= 1.1 × set Pickup
detection A
27 ms 30 ms 34 ms
Trip time accuracy ±1.0% of the set value or ±20 ms
Reset ratio Typically 0.90
1) Current before = 0.0 × I
n
, f
n
= 50 Hz, overcurrent in one phase, results based on statistical distribution of
1000 measurements
2) Includes the delay of the signal output contact
4.10.10 Technical revision history
Table 659: STTPMSU Technical revision history66/51LRS Technical revision history
Technical revision
Change
B Internal improvement
C Added setting Ini start up counter .
4.11 Multipurpose protection MAP
4.11.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Multipurpose protection MAPGAPC MAP MAP
4.11.2 Function block
MAP
AI_VALUE TRIP
PICKUP
BLOCK
ENA_ADD
GUID-D9D5B5B3-27B1-42ED-A429-A887E8D2A376 V1 EN
Figure 382: Function block
Section 4 1MAC059074-MB A
Protection functions
762 615 series ANSI
Technical Manual