Technical Revision History - ABB 615 series Technical Manual

1MAC059074-MB A
4.4.2.10
4.4.3
4.4.3.1
4.4.3.2
4.4.3.3
615 series ANSI
Technical Manual
Characteristic
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Suppression of harmonics

Technical revision history

Table 494: 46PD Technical revision history
Technical revision
B
C
D
Phase reversal protection 46R
Identification
Function description
Phase reversal protection
Function block
46R
I PICKUP
2
BLOCK TRIP
GUID-79DAF62E-ACEA-438B-AC8A-D355CB3D1CA5 V1 EN
Figure 303: Function block
Functionality
The phase reversal protection function 46R is used to detect the reversed connection of the
phases to a three-phase motor by monitoring the negative phase sequence current I
motor.
46R picks up and trips when I
characteristics. 46R is based on the calculated I
Value
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × f
Change
Internal improvement
Internal improvement
Internal improvement
IEC 61850 IEC 60617
identification identification
PREVPTOC I2>>
exceeds the set limit. 46R operates on definite time (DT)
2
, and the function detects too high I
2
Section 4
Protection functions
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
46R
of the
2
2
599