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1745
Users 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 > 1 half-cycle
The start time and duration of each interruption are registered. See Figure 12.
110% Vn
100% Vn
90% Vn
1%
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Figure 12. Voltage Interruption
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Vn
Duration
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Time
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