Related functions, T5 t6, T8 t9 – Rockwell Automation 1426 PowerMonitor 5000 Unit User Manual
Page 86
86
Rockwell Automation Publication 1426-UM001F-EN-P - November 2013
Chapter 5
Power Quality Monitoring
Waveform B represents the third sag, which occurs after the first waveform
recording reached its maximum duration and ended.
Waveform C represents the swell following the interruption.
The power quality log includes the following events. The log records have been
simplified to make the example clearer.
Related Functions
•
Sag and Swell detection
•
Power Quality Log
Post
Event
Pre
Event
80% Sag
t5
t6
Pre
Event
Post
Event
Swell
t8
t9
Record ID
Event Type
Time Stamp
Waveform
Timestamp
Event Duration
Min or Max
Trip Point
1
Voltage Sag
t1
t1
60,000.0
408.0
90.00%
2
Voltage Sag
t2
t1
133.3
369.6
80.00%
3
Undervoltage
t1
0
0
0
90.00%
4
Voltage Sag
t5
t5
200.0
369.6
80.00%
5
Voltage Swell
t8
T8
133.3
542.4
110.00%
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