Voltage Interruptions - Fluke 1743 User Manual

Voltage Interruptions

The Logger records two types of interruptions:
All measured RMS values of input voltages that are < 1% of the
nominal voltage. (This threshold can be adjusted in PQ Log.)
Interruptions > 10 ms (0.5 line power periods).
The start time and duration of each interruption are registered.
110% Un
100% Un
90% Un
1%
Figure 15. Voltage Interruption
Power Quality Logger
Methods of Logging
Duration
Time
egb018.eps
31