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PowerFactorImprovementYesyoucan!
Jeffre M. Bowen CEM
Dillards,Inc.
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.
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whatPower
Factor
is!
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atour
Distribution
Center
in
Gilbert,
AZ
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PowerFactorImprovement(ratedefinition)
Ifthepowerfactorfallsbelow85percentlaggingatanymeteringpointduringanybillingperiod,thenUTILITYmay:
Ad ustkWhand/orkWdurin this eriod,forbillin ur oses,toequal85percentofkVAh and85percentofkVA.KWhand/orkWwillbeadjustedproportionallyfortheonpeak,shoulder
peakand
off
peak
periods.
Requirethecustomertocorrectthepowerfactortoanacceptablelevel.
RequirethecustomertobecontinuouslymeteredwithaseparatemeterthatregisterskVA,kilovars (kvar)oractual
.
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avoidpenalty
300
capacitor
system
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2007
.
2008
.
2009(projectinstalledApril2009)
85.2%
2010
86.5%
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PowerFactorFinancialImpact
2007
$34,318 inpenalties
$32,489inpenalties
2009
(project
installed
April
2009)
3,672.47inpena ties
2010(equipmentturnedofffor4months)
$5,010.47inpenalties
TotalSavings
to
Date
$58,126Saved!
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PowerFactorFinancialImpact
TotalSavings(cumulative)
$58,126
$32,040
ProjectCost
,
Simplepayback
19Months
Interna
Rateo
Return
48%
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2007 2010PowerFactor
90.0
100.0
70.0
80.0
rFac
tor
50.0
60.0Pow Total
30.0
40.0
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2007 2008 2009 2010
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PowerFactorImprovement
2007
2010
$10,000.00
2007 2010
Penalty
Totals
1 $3,418.14
2 $5,532.83
3 $6,364.92
$6,000.00
$7,000.00
$8,000.00
, ., .
5 $7,002.19
6 $6,490.13
7 $8,547.69
$2,000.00
$3,000.00
$4,000.00
$5,000.00Total8 $7,417.72
9 $9,338.74
10 $7,808.77
$0.00
$1,000.00
1 2 3 4 5 6 7 8 9 10 11 12
, .
12 $3,252.44
GrandTotal $75,490.92
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PowerFactorImprovement
2009
20102009 $3,672.47
1 $692.14
$2,500.00
2009
2010Penalty
2 .
3 $1,202.98
4 $1,001.895 $0.00
6 $0.00
0.00
$1,500.00
$2,000.008$0.00
9 $0.00
10 $0.00
11 $0.0012 $0.00
$500.00
$1,000.00 Total2010 $5,010.47
1 $0.00
2 $2,126.28
3 $1,634.84
4 $880.34
$0.00
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2009 2010
.
6 $0.007 $0.00
8 $0.00
9 $0.00
10 $0.00
11 $0.00
12 $0.00
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uestions
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