ZES ZIMMER LMG450, User Manual

Page: 86 / 306

Normal measuring mode LMG450
86
Measuring channel
numbers
Circuit
numbers
Display channel u(t) i(t) U I
3 u
3
(t) i
3
(t) U31 I3
4 u
4
(t) i
4
(t) U4 I4
5 u (t) u (t)
3
1 3
−
i
1
(t) U1 I1
6 u (t) u (t)
3
2 1
−
i
2
(t) U2 I2
7 u (t) u (t)
3
3 2
−
i
3
(t) U3 I3
For circuit see 3.3.3, ‘Measuring circuit (typical) for star to delta conversion (option L45-O6)’
Wiring ‘2+2, U
∆
I*-> U
∆
I
∆
’
Measuring channel numbers Circuit numbers
Display channel u(t) i(t) U I
1 u
1
(t) i
1
(t) U13 I1
2 u
2
(t) i
2
(t) U23 I2
3 u
3
(t) i
3
(t) U13’ I1’
4 u
4
(t) i
4
(t) U23’ I2’
5 -u
1
(t)+u
2
(t) -i
1
(t)-i
2
(t) U12 I3
6 -u
3
(t)+u
4
(t) -i
3
(t)-i
4
(t) U12’ I3’
7 u
1
(t)
3
(t) i 2 (t) i
1 2
−
U12 I12
8 -u
2
(t)
3
(t) 2i (t) i -
2 1
−
U23 I23
9 u
2
(t)-u
1
(t)
3
(t) i (t) i
1 2
−
U31 I31
10 u
3
(t)
3
(t) i 2 (t) i
3 4
−
U12’ I12’
11 -u
4
(t)
3
(t) 2i - (t) i -
4 3
U23’ I23’
12 u
4
(t)-u
3
(t)
3
(t) i (t) i
3 4
−
U31’ I31’
For circuit see 3.3.5, ‘Measuring circuit for measuring efficiency of 3/3phase systems’