Fluke 1744 User Manual
Power Quality Logger
Using
the
Logger
21
Connections for Medium-Voltage Networks
In a 3-phase 3-wire (Delta) system with three separate voltage converters and
three current transformers, the Logger can measure phase-phase (P-P, Delta) or
phase-N (P-N, Wye). See Figure 7.
three current transformers, the Logger can measure phase-phase (P-P, Delta) or
phase-N (P-N, Wye). See Figure 7.
Supply
L1
L2
L3
N
L1
L1
L2
L2
L3
L3
POWER LOGGER
1743
START
STOP
POWER
2
3
2
S
R
IN
I3
I2
I1 V3 V2 V1
CURRENT INPUT
10 VRMS MAX
L1/A
L2 / B
L3 / C
N
L2 / B
L3 / C
N
5 VA
45 - 65 Hz
MEASUREMENT INPUT
SUPPLY INPUT
830 VRMS MAX CAT
600 V CAT
300 V CAT
300 V CAT
100 - 350 V
660 V MAX
88 - 660 V
88 - 660 V
egb006.eps
Figure 7. Measuring 3-Phase Voltages in a 3-Wire (Delta) System with
Three Voltage Converters