Thermal Overload Protection For Motors Mpttr - ABB RELION 620 Series Technical Manual

Protection functions
4.1.10.8 Monitored data
Table 362: PHPTUC Monitored data
Name Type
START_DUR FLOAT32
PHPTUC Enum
4.1.10.9 Technical data
Table 363: PHPTUC Technical data
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
4.1.11

Thermal overload protection for motors MPTTR

4.1.11.1 Identification
Function description
Thermal overload protection for
motors
4.1.11.2 Function block
Figure 179: Function block
362
Values (Range) Unit
0.00...100.00 %
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured current and vol-
tages: f ±2 Hz
n
±1.5% of the set value or ± 0.002 × I
Typically <55 ms
<40 ms
Typically 1.04
<35 ms
mode ±1.0% of the set value or ±20 ms
IEC 61850
identification
MPTTR
1MRS757644 H
Description
Ratio of start time / op-
erate time
Status
n
IEC 60617 ANSI/IEEE C37.2
identification device number
3Ith>M 49M
Technical Manual
620 series