Table of Contents
Advertisement
1744/1743
Users Manual
Voltage Dips and Swells
If the voltage passes the upper limit (V
+ 10%) or lower limit (V
– 10%), the
N
N
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.
Heigth
110% Un
100% Un
90% Un
Depth
Duration
Duration
Time
Zeit
egb019.eps
Figure 16. Voltage Dips and Swells
Voltage Harmonics
Voltage harmonics are defined as voltage components that have a frequency
that is an integer multiple of the fundamental frequency of the line power
voltage. Logging function A records each individual voltage harmonic, up to
th
the 50
order. These values are averaged over the interval length defined in
PQ Log.
MyFlukeStore
1.877.766.5412
www.
.com
Shop for Fluke products online at:
32
Advertisement
Table of Contents
