S G M 1 4 0 0 S e r i e s S m a r t M e t e r U s e r M a n u a l – S M E T S 2
37
Chapter 5 • Metrology Functionality
the event log or send an alert to the headend when the threshold parameters for a
power factor event are met. The event log shall record the time and date stamp for
the start and end of the event and the total number of events.
N
OTE
Power factor monitoring on single phase installations is not recommended due
to the significant number of alerts generated.
Voltage Quality Measurements
The SGM1400-B Series meters may be configured to support Average RMS
Over/Under Voltage, RMS Extreme Over/Under Voltage, RMS Voltage Sag,
RMS Voltage Swell, and Supply Outage quality measurements.
Average RMS Voltage
The meter is capable of calculating the average value of RMS voltage over a
configurable period as defined in the Average RMS Voltage Measurement Period.
It will also record the values calculated (including the universal time coordinated
(UTC) time and date at the end of the period to which the values relate) in the
Average RMS Voltage Profile Data Log.
Over Voltage Threshold
If the calculated value is above the Average RMS Over Voltage Threshold, it will
record the number of such occurrences in the Average RMS Over Voltage
Counter. If the calculated value of the previous period is below the Average RMS
Over Voltage Threshold, the meter will generate a corresponding entry in the
Power Event Log and send an alert to the HAN interface.
If the calculated value is below the Average RMS Over Voltage Threshold and the
calculated value of the previous period was above the Average RMS Over Voltage
Threshold, the meter will generate a corresponding entry in the Power Event Log
and send an alert to the HAN interface.
Under Voltage Threshold
If the calculated value is below the Average RMS Under Voltage Threshold, the
meter will record the number of such occurrences in the Average RMS Under
Voltage Counter. If the calculated value of the previous period was above the
Average RMS Under Voltage Counter, the meter will generate a corresponding
entry in the Power Event Log and send an alert to the HAN interface.
If the calculated value is above the Average RMS Under Voltage Threshold and
the calculated value of the previous period was below the Average RMS Under
Voltage Threshold, the meter will generate a corresponding entry in the Power
Event Log and send an alert to the HAN interface.
RMS Extreme Over Voltage
If the RMS voltage rises above the RMS Extreme Over Voltage Threshold for a
duration longer than specified in the configured measurement period, the meter
will generate a corresponding entry in the Power Event Log and send an alert to
the HAN interface.
Summary of Contents for SGM1400 Series
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Page 12: ...2 S G M 1 4 0 0 S e r i e s S m a r t M e t e r U s e r M a n u a l S M E T S 2 Aclara Support...
Page 54: ...44 S G M 1 4 0 0 S e r i e s S m a r t M e t e r U s e r M a n u a l S M E T S 2 Billing Data...
Page 94: ...84 S G M 1 4 0 0 S e r i e s S m a r t M e t e r U s e r M a n u a l S M E T S 2 Disposal...
