Technical Revision History; Transient/Intermittent Ground-Fault Protection 67Nief; Identification - ABB 615 series Technical Manual

Section 4
Protection functions
4.2.2.14
4.2.3
4.2.3.1
360

Technical revision history

Table 368: 67/50N Technical revision history
Technical revision
B
C
D
E
F
Table 369: 67/51N Technical revision history
Technical revision
B
C
D
E
F

Transient/intermittent ground-fault protection 67NIEF

Identification

Function description
Transient/intermittent ground-fault
protection
Change
Maximum value changed to 180 deg for the
forward angle setting
Added a setting parameter for the "Measured IG" or
"Calculated I0" selection and setting parameter for
the "Measured VG", "Calculated V0" or "Neg. seq.
volt." selection for polarization.
Minimum trip time changed from 60 ms to 40 ms. The
sector default setting values are changed from 88
degrees to 80 degrees.
Step value changed from 0.05 to 0.01 for the
multiplier setting.
Unit added to calculated operating current output
(I_OPER).
Pol quantity .
Added setting
Change
Maximum value changed to 180 deg for the
forward angle setting.
Pickup value step changed to 0.005
Added a setting parameter for the "Measured IG" or
"Calculated I0" selection and setting parameter for
the "Measured VG", "Calculated V0" or "Neg. seq.
volt." selection for polarization. The sector default
setting values are changed from 88 degrees to 80
degrees.
Step value changed from 0.05 to 0.01 for the
multiplier setting.
Unit added to calculated operating current output
(I_OPER).
Added setting Pol quantity . Minimum value for Trip
delay time and Minimum trip time changed from "60
ms" to "50 ms". Default value for
Minimum trip time changed from "60 ms" to "50 ms".
IEC 61850 IEC 60617
identification identification
INTRPTEF Io> -> IEF
1MAC059074-MB A
Max
Trip delay time and
Time
Max
Time
Trip delay time and
ANSI/IEEE C37.2
device number
67NIEF
615 series ANSI
Technical Manual