IFA Brownout Detector
On this page you will find a record of the most recent drop in mains voltage resulting in a "Brownout".
- For a description of the system, see IFA Brownouts Description.
- To sign up to receive an alert via SMS, go to this page (local AU access only).
- See also the Mains Monitor plots, which shows the RMS voltages for the last 1 h and 48 h.
Notice this service is provided "on best effort only" (no guarantee of availability). The service will occasionally not be operational due to updates.
Last Brownout Time: 16/07-24 - 19:17:48
Last Brownout Values:
L1: Brownout Value=0.504, Duration=0.080 s,
Minimum (one-period) RMS value=181.9 V
L2: Brownout Value=2.643, Duration=0.080 s,
Minimum (one-period) RMS value=61.7 V
L3: Brownout Value=0.485, Duration=0.080 s,
Minimum (one-period) RMS value=179.5 V
The brownout value corresponds to the number of full 50 Hz cycles missing. Values below ~0.5 will generally not be a problem for most equipment.
Last data update: Sat 27 Jul - 18:17
Note that sometimes the browser needs a forced refresh (Shift-F5) to update the graphs.
IFA Mains Monitor plots Signup for SMS alarm (local AU access only)
Brownout History: Graphs of second to last event
240716_191748: IFA Mains Brownout Event (0.50, 2.64, 0.48; Durations=0.08, 0.08, 0.08; Minimums=181.91, 61.65, 179.53)
240715_023103: IFA Mains Brownout Event (1.26, 0.27, 0.21; Durations=0.08, 0.06, 0.04; Minimums=112.35, 180.67, 189.34)
240711_022309: IFA Mains Brownout Event (0.45, 0.18, 0.21; Durations=0.06, 0.00, 0.00; Minimums=195.93, 207.73, 208.56)
240511_104649: Mains Brownout Event (0.27, -0.03, -0.05; Durations=0.02, 0.00, 0.00; Minimums=203.15, 225.56, 218.66)
240426_051811: Mains Brownout Event (0.16, 0.30, 0.06; Durations=0.00, 0.02, 0.00; Minimums=216.14, 206.02, 219.20)
240325_025814: Mains Brownout Event (0.22, 0.26, 0.04; Durations=0.00, 0.02, 0.00; Minimums=211.95, 202.64, 216.30)
240312_143200: Mains Brownout Event (0.71, 0.16, 0.22; Durations=0.08, 0.00, 0.00; Minimums=199.64, 222.68, 217.86)
231118_022738: Mains Brownout Event (0.18, -0.08, -0.02; Durations=0.04, 0.02, 0.02; Minimums=195.52, 205.77, 206.50)
231112_052149: Mains Brownout Event (-0.08, -0.05, 0.04; Durations=0.02, 0.02, 0.02; Minimums=203.90, 204.40, 184.35)
231109_075021: Mains Brownout Event (0.03, 0.36, 0.07; Durations=0.00, 0.04, 0.00; Minimums=223.59, 190.93, 212.85)
231109_075019: Mains Brown
RMS level for Brownout detection: 90.0%
Minimum Brownout value for SMS alert: 0.500
Brownout Detector program run status: Alive
Last page update: Sat 27 Jul - 18:17
Suggestions for improvement of this page are most welcome. Jørgen S. Nielsen, ISA
Last Modified 10 July 2024