Basler Electric BE1-11t - Manual (Page 183)

9424200995 Rev H 171
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 BE1-11t 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 126.
Figure 126. Demands Screen
Table 65 summarizes the demand current reporting settings.
Table 65. Demand Current Reporting Settings
Setting Range Increment
Unit of
Measure
Default
Phase Interval 0 or 1 to 60 0.5 minutes 15
Neutral/Ground Interval 0 or 1 to 60 0.5 minutes 15
Negative-Sequence Interval 0 or 1 to 60 0.5 minutes 15
BE1-11t Demands