3-23
IM 760201-01E
Before
You Start Measuring
3
2
1
4
5
6
7
8
9
10
11
12
13
14
App
Index
Wiring Example of a Three-Phase, Three-Wire System (3P3W) with a VT and CT
L CT
VT
V
v
l
L CT
VT
V
v
l
SOURCE
LOAD
R
S
T
Input terminal 1
I
U
Input terminal 2
I
U
±
±
±
±
Wiring Example of a Three-Phase, Three-Wire System with a Three-Voltage,
Three-Current Method (3P3W; 3V3A), a VT, and a CT
L CT
VT
V
v
l
L CT
VT
V
v
l
SOURCE
L CT
VT
V
v
l
LOAD
R
S
T
Input terminal 1
I
U
Input terminal 2
I
U
Input terminal 3
I
U
±
±
±
±
Wiring Example of a Three-Phase, Four-Wire System (3P4W) with a VT and CT
L CT
VT
V
v
l
L CT
VT
V
v
l
SOURCE
L CT
VT
V
v
l
LOAD
R
S
T
N
Input terminal 1
I
U
Input terminal 2
I
U
Input terminal 3
I
U
±
±
±
±
±
±
Note
For details about the relationship between the wiring system and how measured and computed
values are determined, see appendix 1, “Symbols and Determination of Measurement
Functions.”
3.11 Wiring the Circuit That You Will Measure with a VT or CT
Содержание WT500
Страница 1: ...IM 760201 01E 1st Edition Power Analyzer ...
