ZES ZIMMER LMG450, User Manual

Page: 85 / 306

Z E S ZIMMER Electronic Systems GmbH Chapter 5
85
Wiring ‘3+1, U*I*-> U
∆
I
∆
’
Measuring channel
numbers
Circuit numbers
Display channel u(t) i(t) U I
1 u
1
(t) i
1
(t) U1 I1
2 u
2
(t) i
2
(t) U2 I2
3 u
3
(t) i
3
(t) U3 I3
4 u
4
(t) i
4
(t) U4 I4
5 u
1
(t)-u
2
(t) i (t) i (t)
3
1 2
−
U12 I12
6 u
2
(t)-u
3
(t) i (t) i (t)
3
2 3
−
U23 I23
7 u
3
(t)-u
1
(t) i (t) i (t)
3
3 1
−
U31 I31
For circuit see 3.3.2, ‘Measuring circuit for measuring efficiency of 3/1phase systems’
Wiring ‘3+1, U
∆
I*-> U
∆
I
∆
’
Measuring channel
numbers
Circuit numbers
Display channel u(t) i(t) U I
1 u
1
(t) i
1
(t) U12 I1
2 u
2
(t) i
2
(t) U23 I2
3 u
3
(t) i
3
(t) U31 I3
4 u
4
(t) i
4
(t) U4 I4
5 u
1
(t) i (t) i (t)
3
1 2
−
U12 I12
6 u
2
(t) i (t) i (t)
3
2 3
−
U23 I23
7 u
3
(t) i (t) i (t)
3
3 1
−
U31 I31
For circuit see 3.3.3, ‘Measuring circuit (typical) for star to delta conversion (option L45-O6)’
Wiring ‘3+1, U
∆
I*-> U*I*’
Measuring channel
numbers
Circuit
numbers
Display channel u(t) i(t) U I
1 u
1
(t) i
1
(t) U12 I1
2 u
2
(t) i
2
(t) U23 I2