9424200996 38-1
BE1-11m Demands
38 • Demands
Demand recording promotes the ability of an electric power provider to plan for future upgrades. For
example, increasing load, over time, at a substation will be reflected in the demand values. This growing
demand can be addressed through additional capacity before the increasing load becomes an issue.
The BE1-11m continuously calculates demand values for current, watts, vars, and VA. Demand values
are recorded with timestamps for peak demands and present demands. Programmable alarm points can
be set to alarm if thresholds are exceeded for overload and unbalanced loading conditions. For
information on enabling alarms, refer to the Alarms chapter.
Current
Demand values are continuously calculated for phase currents (IA Circuit 1, IA Circuit 2, IB Circuit 1, IB
Circuit 2, IC Circuit 1, IC Circuit 2), neutral current (3I0 Circuit 1, 3I0 Circuit 2), negative-sequence current
(I2 Circuit 1, I2 Circuit 2), and ground current (IG Circuit 1, IG Circuit 2).
Demand Current Reporting Settings
BESTCOMSPlus Navigation Path: Settings Explorer, Alarm Configuration, Demands
HMI Navigation Path: Settings Explorer, Alarm Configuration, Demands
Settings are made using BESTCOMSPlus®. Use the Settings Explorer to open the Alarm Configuration,
Demands tree branch. Demand settings for current thresholds include Phase, Neutral/Ground, and
Negative-Sequence. Enter the appropriate demand current reporting settings. Refer to Figure 38-1.
Figure 38-1. Demands Screen
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