Appendix
A.1 Measured variables
SENTRON PAC4200
200
System Manual, 09/2009, A5E02316180B-02
Name
Abbrev.
DE + IEC
Abbrev.
EN + UL
Unit
Dis-
play
LIM
SOURCE
Minimum voltage c-n
U
L3-N min
V
c-n min
V
1.2
Minimum value of the voltage between phase conductor c and the neutral conductor
Voltage a-b
U
L1-L2
V
a-b
V
2.0
V ab
Instantaneous value of the voltage between phase conductors a and b
Maximum voltage a-b
U
L1-L2 max
V
a-b max
V
2.1
Maximum value of the voltage between phase conductors a and b
Minimum voltage a-b
U
L1-L2 min
V
a-b min
V
2.2
Minimum value of the voltage between phase conductors a and b
Voltage b-c
U
L2-L3
V
b-c
V
2.0
V bc
Instantaneous value of the voltage between phase conductors b and c
Maximum voltage b-c
U
L2-L3 max
V
b-c max
V
2.1
Maximum value of the voltage between phase conductors b and c
Minimum voltage b-c
U
L2-L3 min
V
b-c min
V
2.2
Minimum value of the voltage between phase conductors b and c
Voltage c-a
U
L3-L1
V
c-a
V
2.0
V ca
Instantaneous value of the voltage between phase conductors c and a
Maximum voltage c-a
U
L3-L1 max
V
c-a max
V
2.1
Maximum value of the voltage between phase conductors c and a
Minimum voltage c-a
U
L3-L1 min
V
c-a min
V
2.2
Minimum value of the voltage between phase conductors c and a
Current a
I
L1
I
a
A
3.0
I a
Current in phase conductor a
Maximum current a
I
L1 max
I
a max
A
3.1
Maximum value of the current in phase conductor a
Minimum current a
I
L1 min
I
a min
A
3.2
Minimum value of the current in phase conductor a
Current b
I
L2
I
b
A
3.0
I b
Current in phase conductor b
Maximum current b
I
L2 max
I
b max
A
3.1
Maximum value of the current in phase conductor b
Minimum current b
I
L2 min
I
b min
A
3.2
Minimum value of the current in phase conductor b
Current c
I
L3
I
c
A
3.0
Current in phase conductor c
Maximum current c
I
L3 max
I
c max
A
3.1
I c
Maximum value of the current in phase conductor c
Minimum current c
I
L3 min
I
c min
A
3.2
Minimum value of the current in phase conductor c
Neutral Current
I
N
I
n
A
3.0
I n
Current in the neutral conductor