Voltage Dips And Swells; Voltage Harmonics - Fluke 1745-BASIC User Manual

Voltage Dips and Swells

If the voltage passes the upper limit (V
the event is registered as a voltage swell or dip respectively (thresholds are
adjustable in PQ Log).
The duration, time and extreme value of the dip or swell is also recorded. See
Figure 13.
110% Vn
100% Vn
90% Vn

Voltage Harmonics

Voltage harmonics are defined as voltage components that have a frequency
that is an integer multiple of the fundamental frequency. Logging function A
records each individual voltage harmonic, up to the 50
averaged over the interval length defined in PQ Log.
Shop for Fluke products online at:
Depth
Duration
Figure 13. Voltage Dips and Swells
MyFlukeStore
www.
Power Quality Logger
Using the 1745 Power Quality Logger
+ 10 %) or lower limit (V
N
Height
Duration
th
. These values are
.com
- 10 %),
N
Time
egb019.eps
1.877.766.5412
31