Technical Revision History - ABB RELION SMU615 Technical Manual

Supervision functions
Table 189: SEQSPVC Technical data
Characteristic
1
Operate time
5.3.10

Technical revision history

Table 190: SEQSPVC Technical revision history
Technical revision
B
C
D
1
Includes the delay of the signal output contact, f
injected from random phase angle, results based on statistical distribution of 1000 measure-
ments
160
NPS function
Delta function
Value
Neg Seq volt-
U = 1.1 × set
Fault
age Lev
U = 5.0 × set Neg Seq volt-
Fault
age Lev
Voltage change
ΔU = 1.1 × set
rate
Voltage change
ΔU = 2.0 × set
rate
Change
Internal improvement
Internal improvement
Function name changed from SEQRFUF to
SEQSPVC
= 50 Hz, fault voltage with nominal frequency
n
1MRS758407 C
<33 ms
<18 ms
<30 ms
<24 ms
SMU615
Technical Manual