9328900990 Rev L BE1-951 Reporting and Alarm Functions 6-7
RE Command
Purpose: Report all energy data (KvarH, KWH).
Syntax: RE
RE Command Example:
Example 1. Obtain the current watt-hour and var-hour values.
>RE
RE-KWH= 24.01MWH, -2720.26KWH
RE-KVARH= 13.24MVARH, -7902.18KVARH
DEMAND FUNCTIONS
The demand reporting function continuously calculates demand values for the three-phase currents,
three-phase power, three-phase reactive power, neutral current (three-phase residual 3IO), and negative-
sequence current. Demand values are recorded with time stamps for Peak Since Reset, Yesterday's
Peak, and Today's Peak. Programmable alarm points can be set to alarm if thresholds are exceeded for
overload and unbalanced loading conditions.
Setting Demand Current Reporting
Demand reporting settings for current are made using BESTCOMS.
Figure 6-3 illustrates the BESTCOMS
screen used to select demand reporting settings. To open the screen shown in
Figure 6-3, select
Reporting and Alarms, from the S
creens pull-down menu. Then select the Demands tab. Alternately;
settings may be made using the SG-ID ASCII command.
Demand settings for current include columns labeled Phase, Neutral, and Negative-Sequence. Each of
these columns has settings for Interval (Minutes) and Current Threshold. Current Threshold display units
are selectable from a pull-down menu allowing the selection of Sec. Amps, Pri. Amps, Per U Amps, or %
Amps. The default display unit is Sec. Amps.
Additionally, the Phase has adjustable forward and reverse watt threshold adjustments in secondary 3-
phase, primary three-phase, per unit three-phase, and percent three-phase units. Likewise, var forward
and reverse threshold is adjustable in a similar manner with secondary three-phase as the default unit of
measurement for both watts and vars.
Using the pull-down menus and buttons, make the application appropriate demand settings. Demand
alarm thresholds are for current is set using the SA-DI (setting alarm, demand current) command.
Demand reporting is setup using the SG-DI (setting general, demand interval) command.
Demand reporting settings are summarized in
Table 6-4.
To Next Page
Loading...
Need help?
General