Schneider Electric PowerLogic PM5300 Series Spezifikationen Seite 22

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Power Meter 750 63230-507-201A1
Section 4—Metering 03/2007
© 2007 Schneider Electric All Rights Reserved18
Figure 4– 1: Block Interval Demand Examples
Thermal Demand The thermal demand method calculates the demand based on a thermal
response, which mimics thermal demand meters. The demand calculation
updates at the end of each interval. You select the demand interval from 1
to 60 minutes (in 1-minute increments). In Figure 4– 2 the interval is set to
15 minutes for illustration purposes.
Time
(min)
Calculation updates
at the end of the interval
Demand value
is the average
for last
completed
interval
Fixed Block
Sliding Block
15-minute interval
15-minute interval15-minute interval
15-min
Time
(sec)
15 3045
Demand value is
the average for
the last completed
interval
15
3045
20 354025
Rolling Block
15-minute interval
Time
(min)
Calculation updates at
the end of the subinterval (5 min.)
Demand value
is the average
for last
completed
interval
PLSD110131
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