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EM-6489-B Rev.9 P. 31 / 47
RGTR. PARAMETER
8020
THD IN - Neutral current total harmonic distortion : Alarm
3P4W
3.00
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
THD
IN
HI
THD
IN
LO
‘1’ is placed when the value is out of the predetermined range. ‘0’ in all bits means that no alarm is tripped.
8021
THD U12 thr. THD U31 - Delta voltage total harmonic distortion : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
THD
U31
HI
THD
U23
HI
THD
U12
HI
THD
U31
LO
THD
U23
LO
THD
U12
LO
‘1’ is placed when the respective values are out of the predetermined ranges. ‘0’ in all bits means that no alarm is
tripped.
8022
THD U1N thr. THD U3N - Phase voltage total harmonic distortion : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
THD
U3N
HI
THD
U2N
HI
THD
U1N
HI
THD
U3N
LO
THD
U2N
LO
THD
U1N
LO
‘1’ is placed when the respective values are out of the predetermined ranges. ‘0’ in all bits means that no alarm is
tripped.
8023
UT12 thr. UT31 - Phase angle between phase voltages : Alarm
Bit assignment as shown below.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
UT31
HI
UT23
HI
UT12
HI
UT31
LO
UT23
LO
UT12
LO
‘1’ is placed when the respective values are out of the predetermined ranges. ‘0’ in all bits means that no alarm is
tripped.
