12-938-007Flmids Pom i LW* Compaly, P.Q. Box 02f/00, W=L FL 331Q24"00
FPL
June 29, 2010
Mr. Dennis O. Davis
Smith Secianan Reid, Inc.
600 West Hillsboro Blvd.
Deerfield Beach, Florida 33441
Re: Symmetrical Fault Current for FPL
Facilities
Dear Mr.Davis:
You recently requested symmetrical fault current information at the FPL facilities at two
locations on the main campus of South Miami Hospital. As such, the information is as follows:
2 -1500 KVA transformers in parallel, with a secondary voltage of 2771480 V in the main vault.
The symmetrical fault current at this facility is 54,000 Amps. This is calculated with an actual
impedance of 4.8% on each of the transformers. This assumes an infinite bus at the vault.
The 1500 WA transformer in the same vault has a symmetrical fault current of 31,000 Amps.
This also assumes an infinite bus at the transformer with an actual impedance of 4.9%.
Y,
The 1000 WA transformer in the North Tower vault has a symmetrical fault current of 22,000
Amps. The same assumptions apply with an actual impedance rating of 4.89%
The FPL equipment currently serving or- planned to serve your facility may change over time as
a result of any number of factors, Including but not limited to transformer replacements due to
load growth, electrical grid changes or emergencies. As a result, although we are providing you
with this information for the sole purpose of assisting you in the completion of your study, you
should not design, install or operate your system in reliance upon any expectation that the
specific size and type of equipment currently in place will remain so. If and when the size and
type of the equipment changes, our employees are not always in a position to immediately notify
customers.
This calculated symmetrical fault current is not intended for use as the basis for motor starting
calculations and does not include consideration for any motor contribution or fault current
asymmetry.
ANYONE USING OR RELYING ON THIS INFORMATION DOES SO AT THEIR OWN RISK,
AND FLORIDA POWER ar LIGHT COMPANY DISCLAIMS ANY LIABILITY FOR EITHER
NEGLIGENCE OR WARRANTY ARISING THERE FROM.
ff you have any questions or concems please call me at (305) 552 -2507.
ZSinly.
Maestri, C.E.M.
Major Acx:ouM Manager
an FPL Group compury
*s * * *•••• * *• * * **
F A U L T
A N A L Y S I S
S U M M A R Y **********•*•••
BUS NAME
VOLTAGE
AVAILABLE
FAULT CURRENT
FULL -LOAD
NOMINAL!
L -L
3 PHASE
X/R
LINE /GRND
X/R
FPL BUS NMSBI
480.
54000.0
8.0
54000.00
8.0
FPL BUS NMSB2
480.
54000.0
8.0
54000.00
8.0
GEN 1
480.
31366.0
16.3
31044.91
14.4
GEN 2
480.
31366.0
16.3
31044.91
14.4
GEN 3
480.
31366.0
16.3
31044.91
14.4
GEN 4
480.
31231.7
16.0
30850.22
14.0
PNL 1 EOHD2
480.
29073.2
2.4
22118. 36
1.7
PNL EDP2
480.
31156.7
15.7
30736.32
13.6
PNL EDP5
480.
30674.6
14.0
30035.19
11.6
PNL GEH
480.
10928.7
0.9
6975.49
0.7
PNL GEL
208.
1774.2
0.6
1800.66
0.5
PNL LSDPA
480.
15770.0
1.2
10576.20
0.9
PNL LSH1
480.
12050.8
0.8
7688.20
0.7
SWBD 1 NHD1
480.
43742.3
4.0
37636. 64
2.7
SWBD ESPS
480.
31796.5
18.5
31679.70
17.5
SWBD NMSBI
480.
50884.4
5.0
46400.68
3.2
SWBD NMSB2
480.
50884.4
5.0
46400.68
3.2
XFMR GEL PRI
480.
10064.9
0.8
6346.94
0.6
XFMR GEL SEC
208.
1801.4
0.6
1848.58
0.6
•r* **** * * **••* * *r* * * * *� FAULT ANALYSIS REPORT COMPLETED * * * * * * * * * * * * * * * * * * * * * *•
-F mi h
�, SSI I e�Tn
C.
600 West Hillsboro, Suite 300
Deerfield Beach, FL 33441
(954) 421 -1260
FAX: (954) 421 -1466
www.ssr - inc.com
Firm Certification - EB- 0000857
John E. Moulder PE-332M
Michael A Steward PE - 65701
SSR JOB # 1232030.0
TRANSFORMER INPUT DATA
}
FAULT STUDY
W
TRANSFORMER
PRIMARY RECORD VOLTS • SECONDARY RECORD
VOLTS
FULL -LOAD
NOMINAL!
NAME
NO NAME
FEEDER INPUT DATA
L -L
KVA
KVA
- q
CABLE
FEEDER FROM
FEEDER TO
OTY VOLTS LENGTH
FEEDER
W
J
NAME
NAME
TYPE
NAME
/PH L -L
SIZE
TYPE
- ;
FOR 1EIIH02
ATS -12 -L
PNL 1EOHD2
2 480 25.0
FEET 350
COPPER
---- - - -- ~--
BUS NAME
DUCT
MATERIAL•
MAGNETIC
INSULATION TYPE:
PVC
INSULATION
CLASS•
THWN
+/-
IMPEDANCE:
0.0378 + J
0.0491 OHMS /1000 FT
0.2051 +
J 0.2664
PU
ZO
I MPEDANCE:
0. 1191 + J
0.1209 OHMS /1000 FT
0.6462 +
J 0.6559
PU
IMPEDANCE ( 100 MVA BASE) 0.2763 +
FOR 1 NHD1
SWBD
NMSB1
SWBD 1 NHD1
2 480 35.0
FEET 600
COPPER
PU
GEN 1
DUCT
MATERIAL:
MAGNETIC
INSULATION TYPE:
PVC
INSULATION
CLASS:
THWN
0.00000
+/-
IMPEDANCE:
0.0257 + J
0.0463 OHMS /1000 FT
0.1952 +
J 0.3517
PU
GEN 4
ZO
I MPEDANCE:
0.0809 + J
0.1140 OHMS /1000 FT
0.6145 +
J 0.8659
PU
1 PU
FOR ATS -12 -N
SWBD
NMSB2
ATS -12 -N
2 480 45.0
FEET 350
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
I NSULATI ON
CLASS:
THWN
J 2.21
+/-
I MPEDANCE:
0.0378 + J
0. 0491 OHMS /1000 FT
0. 3691 +
J 0. 4795
PU
ZO
I MPEDANCE:
0. 1191 + J
0. 1209 OHMS /1000 FT
1.16 +
J 1.18
PU
FOR ATS -8 -E
PNL EDP2
ATS -8 -E
1 480 90.0
FEET 4/0
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
I NSULATI ON
CLASS:
THWN
+/-
I MPEDANCE:
0.0640 + J
0. 0497 OHMS /1000 FT
2.50 +
J 1. 94
PU
ZO
I MPEDANCE:
0.2017 + J
0. 1224 OHMS /1000 FT
7.88 +
J 4. 78
PU
FOR ATS -8 -N
SWBD
1NHD1
ATS -8 -N
1 480 65.0
FEET 4/0
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
I NSULATI ON
CLASS:
THWN
+/-
I MPEDANCE:
0.0640 + J
0. 0497 OHMS /1000 FT
1.81 +
J 1. 40
PU
ZO
I MPEDANCE:
0.2017 + J
0. 1224 OHMS /1000 FT
5.69 +
J 3. 45
PU
FOR EDP2
SWBD
ESPS
PNL EDP2
4 480 15.0
FEET 600
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
INSULATION
CLASS':
THWN
+/-
I MPEDANCE:
0. 0257 + J
0. 0463 OHMS /1000 FT
0.0418 +
J 0.0754
PU
ZO
I MPEDANCE:
0. 0809 + J
0. 1140 OHMS /1000 FT
0.1317 +
J 0.1855
PU
FOR EDP5
SWBD
ESPS
PNL EDP5
3 480 20.0
FEET 600
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
I NSULATI ON
CLASS:
THWN
+/-
I MPEDANCE:
0.0257 + J
0. 0463 OHMS /1000 FT
0.0744 +
J 0.1340
PU
ZO
I MPEDANCE:
0.0809 + J
0.1140 OHMS /1000 FT
0.2341 +
J 0.3299
PU
FOR GEH
PNL IEQHD2
PNL GEH
1 480 50.0
FEET 2/0
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0.1020 + J
0. 0533 OHMS /1000 FT
2.21 +
J 1.16
PU
ZO
I MPEDANCE:
0. 3214 + J
0.1312 OHMS /1000 FT
6. 97 +
J 2. 85
PU
FOR GEL
XFMR
GEL SEC
PNL GEL
1 208 5.0
FEET 2
COPPER
DUCT
MATERIAL:
MAGNETIC
INSULATION TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0.2020 + J
0. 0585 OHMS /1000 FT
2.33 +
J 0.6761
PU
ZO
I MPEDANCE:
0.6366 + J
0.1440 OHMS /1000 FT
7.36 +
J 1.66
PU
FOR GEL XFMR
PNL GEH
XFMR GEL PRI
1 480 5.0
FEET 6
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
INSULATION
CLASS':
THWN
+/-
I MPEDANCE:
0. 5100 + J
0. 0685 OHMS /1000 FT
1.11 +
J 0. 1487
PU
ZO
I MPEDANCE:
1. 61 + J
0.1687 OHMS /1000 FT
3. 49 +
J 0. 3661
PU
FOR GEN 1
GEN
1
SWBD ESPS
4 480 20.0
FEET 500
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0.0294 + J
0. 0466 OHMS /1000 FT
0.0638 +
J 0.1011
PU
ZO
I MPEDANCE:
0.0926 + J
0.1147 OHMS /1000 FT
0.2010 +
J 0.2489
PU
FOR GEN 2
GEN 2
SWBD ESPS
4 480 20.0
FEET 500
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0. 0294 + J
0. 0466 OHMS /1000 FT
0.0638 +
J 0.1011
PU
ZO
I MPEDANCE:
0. 0926 + J
0.1147 OHMS /1000 FT
0.2010 +
J 0.2489
PU
FOR GEN 3
GEN
3
SWBD ESPS
4 480 20.0
FEET 500
COPPER
DUCT
MATERIAL:
MAGNETIC
I NSULATI ON TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0. 0294 + J
0. 0466 OHMS /1000 FT
0. 0638 +
J 0.1011
PU
ZO
I MPEDANCE:
0. 0926 + J
0. 1147 OHMS /1000 FT
0.2010 +
J 0.2489
PU
FOR GEN 4
GEN 4
SWBD ESPS
3 480 20.0
FEET 600
COPPER
DUCT
MATERIAL:
MAGNETIC
INSULATION TYPE:
PVC
INSULATION
CLASS':
THWN
+/-
I MPEDANCE:
0.0257 + J
0.0463 OHMS /1000 FT
0.0744 +
J 0.1340
PU
ZO
I MPEDANCE:
0.0809 + J
0.1140 OHMS /1000 FT
0.2341 +
J 0.3299
PU
FOR LSDPA
ATS -8 -L
PNL LSDPA
1 480 35.0
FEET 4/0
COPPER
DUCT
MATERIAL:
MAGNETIC
INSULATION TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0.0640 + J
0.0497 OHMS /1000 FT
0.9722 +
J 0.7550
PU
ZO
I MPEDANCE:
0.2017 + J
0. 1224 OHMS /1000 FT
3.06 +
J 1.86
PU
FOR LSH1
PNL LSDPA
PNL LSH1
1 480 10.0
FEET 4
COPPER
DUCT
MATERIAL:
MAGNETIC
INSULATION TYPE:
PVC
INSULATION
CLASS:
THWN
+/-
I MPEDANCE:
0.3210 + J
0.0632 OHMS /1000 FT
1.39 +
J 0.2743
PU
ZO
I MPEDANCE:
1. 01 + J
0. 1556 OHMS /1000 FT
4.39 +
J 0.6753
PU
FOR NMSB1
FPL
BUS NMSBI
SWBD NMSB1
1 480 95.0
FEET 3000
COPPER
DUCT
MATERIAL:
BUSWAY
INSULATION TYPE:
EPDXY
INSULATION
CLASS:
CLASS B
+/-
I MPEDANCE:
0.0046 + J
0. 0026 OHMS /1000 FT
0.1897 +
J 0.1072
PU
ZO
I MPEDANCE:
0.0273 + J
0. 0139 OHMS /1000 FT
1.13 +
J 0.5731
PU
FOR NMSB2
FPL
BUS NMSB2
SWBD NMSB2
1 480 95.0
FEET 3000
COPPER
DUCT
MATERIAL:
BUSWAY
INSULATION TYPE:
EPDXY
INSULATION
CLASS:
CLASS B
+/-
I MPEDANCE:
0.0046 + J
0. 0026 OHMS /1000 FT
0.1897 +
J 0.1072
PU
ZO
I MPEDANCE:
0.0273 + J
0.0139 OHMS /1000 FT
1.13 +
J 0.5731
PU
-F mi h
�, SSI I e�Tn
C.
600 West Hillsboro, Suite 300
Deerfield Beach, FL 33441
(954) 421 -1260
FAX: (954) 421 -1466
www.ssr - inc.com
Firm Certification - EB- 0000857
John E. Moulder PE-332M
Michael A Steward PE - 65701
SSR JOB # 1232030.0
TRANSFORMER INPUT DATA
}
W
TRANSFORMER
PRIMARY RECORD VOLTS • SECONDARY RECORD
VOLTS
FULL -LOAD
NOMINAL!
NAME
NO NAME
L -L NO NAME
L -L
KVA
KVA
XFMR GEL
XFMR GEL PRI
D 480.00 XFMR GEL SEC YG
208.00
30.00
30.00
W
POS. SEG. Z%:
3. 75 + J 2.04 (ZPU 125.0
+ J 68.00 ) SHELL
TYPE
ZERO SEG. ZZ:
3.75 + J 2.04 ( SEC 125. 0
+ J 68.00 PRI OPEN)
�Q
TAPS PRI. 0.000 X SEC. 0.000 X PHASE SHIFT (PRI.
LEADING SEC.) : 30.00
DEG.
GENERATION DATA
BUS NAME
GENERATION
VOLT SIZE INITKW
MAXKVAR
TYPE
W
FPL BUS NMSB2
FPL NMSB2
1 PU
SB
THREE PHASE
CONTRIBUTION: 54000.0 AMPS X/R :
8.00
LINE TO EARTH
CONTRIBUTION: 54000.0 AMPS X/R :
8.00
POS SEQUENCE
IMPEDANCE ( 100 MVA BASE) 0.2763 +
J 2.21
PU
ZERO SEQUENCE
IMPEDANCE ( 100 MVA BASE) 0.2763 +
J 2.21
PU
GEN 1
GEN -1
1 PU 800.00 KW 0.00000
0.00000
PV
GEN 2
GEN -2
1 PU 800.00 KW 0.00000
0.00000
PV
GEN 3
GEN -3
1 PU 800.00 KW 0.00000
0.00000
PV
GEN 4
GEN -4
1 PU 800.00 KW 0.00000
0.00000
SB
FPL BUS NMSB1
FPL NMSB1
1 PU
SB
THREE PHASE
CONTRIBUTION: 54000.0 AMPS X/R
8.00
LINE TO EARTH
CONTRIBUTION: 54000.0 AMPS X/R
8.00
POS SEQUENCE
I MPEDANCE ( 100 MVA BASE) 0. 2763 +
J 2.21
PU
ZERO SEQUENCE
I MPEDANCE ( 100 MVA BASE) 0.2763 +
J 2.21
PU
-F mi h
�, SSI I e�Tn
C.
600 West Hillsboro, Suite 300
Deerfield Beach, FL 33441
(954) 421 -1260
FAX: (954) 421 -1466
www.ssr - inc.com
Firm Certification - EB- 0000857
John E. Moulder PE-332M
Michael A Steward PE - 65701
SSR JOB # 1232030.0
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DRAWN
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DATE 08/15/12
REVISED
SHEET N0.
ELECTRICAL
FAULT STUDY
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No 657 1 _
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DRAWN
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DATE 08/15/12
REVISED
SHEET N0.
ELECTRICAL
FAULT STUDY