sc_calc format.pdf

VA Loma Linda - Jerry L. Pettis VAHCS – Loma Linda, California Electrical Condition Assessment – Short Circuit Current Calculations

Model: mv_system

Prepared for: Dept. of Veterans Affairs Prepared by: Wiley|Wilson

Mar 27, 2018 06:01:111

ALL INFORMATION PRESENTED IS FOR REVIEW, APPROVAL

INTERPRETATION AND APPLICATION BY A REGISTERED ENGINEER ONLY

SKM DISCLAIMS ANY RESPONSIBILITY AND LIABILITY RESULTING

FROM THE USE AND INTERPRETATION OF THIS SOFTWARE.

SKM POWER*TOOLS FOR WINDOWS

A_FAULT SHORT CIRCUIT ANALYSIS REPORT

COPYRIGHT SKM SYSTEMS ANALYSIS, INC. 1996-2017

Mar 27, 2018 06:01:11 THREE PHASE LOW VOLTAGE DUTY PAGE 1

T H R E E P H A S E F A U L T R E P O R T

(FOR APPLICATION OF LOW VOLTAGE BREAKERS)

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

BUS: 1_SW US-1A West 3P Duty: 7.161 KA AT -83.18 DEG ( 148.84 MVA) X/R: 8.52

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1149 + J 0.9606 OHMS

F: 1_A-3-2 BUS: 1_FDR A-3-1 7.161 KA ANG: -83.18

BUS: 1_SW US-1B West 3P Duty: 7.150 KA AT -83.11 DEG ( 148.60 MVA) X/R: 8.43

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1163 + J 0.9620 OHMS

F: 1_B-3-3 BUS: 1_FDR B-3-1 7.150 KA ANG: -83.11

BUS: 1_SW US-2A East 3P Duty: 7.406 KA AT -85.01 DEG ( 153.94 MVA) X/R: 11.76

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0814 + J 0.9319 OHMS

F; 1_B-2-5 BUS: 1_B-2-2 7.406 KA ANG: 94.99

BUS: 1_SW US-2B East 3P Duty: 7.397 KA AT -84.94 DEG ( 153.75 MVA) X/R: 11.60

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0826 + J 0.9329 OHMS

F; 1_A-2-6 BUS: 1_FDR A-2-2 7.397 KA ANG: 95.06

BUS: 1_SW US-3A West 3P Duty: 7.076 KA AT -82.79 DEG ( 147.07 MVA) X/R: 8.04

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1229 + J 0.9714 OHMS

F: 1_A-3-5 BUS: 1_FDR A-3-2 7.076 KA ANG: 97.21

BUS: 1_SW US-3B West 3P Duty: 7.067 KA AT -82.73 DEG ( 146.88 MVA) X/R: 7.97

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1241 + J 0.9725 OHMS

F; 1_A-3-6 BUS: 1_FDR A-3-2 7.067 KA ANG: 97.27

BUS: 1_SW US-4A East 3P Duty: 7.484 KA AT -85.38 DEG ( 155.55 MVA) X/R: 12.74

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0745 + J 0.9227 OHMS

F; 1_B-2-2 BUS: 1_FDR B-2-1 7.484 KA ANG: -85.38

BUS: 1_SW US-4B East 3P Duty: 7.475 KA AT -85.31 DEG ( 155.36 MVA) X/R: 12.55

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0757 + J 0.9238 OHMS

F: 1_A-2-3 BUS: 1_FDR A-2-1 7.475 KA ANG: -85.31

BUS: 1_SW US-5A East 3P Duty: 7.469 KA AT -85.27 DEG ( 155.24 MVA) X/R: 12.43

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0765 + J 0.9245 OHMS

F: 1_A-1-2 BUS: 1_FDR A-1-1 7.469 KA ANG: 94.73

BUS: 1_SW US-5B East 3P Duty: 7.456 KA AT -85.19 DEG ( 154.98 MVA) X/R: 12.22

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0779 + J 0.9259 OHMS

F; 1_B-1-3 BUS: 1_FDR B-1-1 7.456 KA ANG: 94.81

BUS: 1_SW US-6 East 3P Duty: 7.455 KA AT -85.18 DEG ( 154.96 MVA) X/R: 12.19

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0781 + J 0.9260 OHMS

F: 1_A-1-4 BUS: 1_FDR A-1-1 7.455 KA ANG: -85.18

Mar 27, 2018 06:01:11 THREE PHASE LOW VOLTAGE DUTY PAGE 2

T H R E E P H A S E F A U L T R E P O R T

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

SWGR: 1_NORTH 3P Duty: 7.500 KA AT -85.48 DEG ( 155.88 MVA) X/R: 13.04

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0727 + J 0.9209 OHMS

F: 1_SCE BUS: 1_SCE 6.499 KA ANG: -265.23

CBL-0009 SWGR: 1_SOUTH 1.001 KA ANG: 92.88

SWGR: 1_SOUTH 3P Duty: 7.499 KA AT -85.48 DEG ( 155.86 MVA) X/R: 13.04

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0727 + J 0.9210 OHMS

F: 1_12KV Gen BUS-0082 1.001 KA ANG: 92.88

CBL-0009 SWGR: 1_NORTH 6.499 KA ANG: -85.23

SWGR: 1_US-7 3P Duty: 6.980 KA AT -81.99 DEG ( 145.08 MVA) X/R: 7.21

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1384 + J 0.9829 OHMS

BUS: 1_US-7-2 BUS: 1_US-7-1 6.980 KA ANG: -81.99

Mar 27, 2018 06:01:11 UNBALANCED LOW VOLTAGE DUTY PAGE 1

U N B A L A N C E D F A U L T R E P O R T

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

LOCATION FAULT KA X/R EQUIVALENT (PU) ASYM. KA AT 0.5 CYCLES

VOLTAGE DUTIES (RMS) FAULT IMPEDANCE * MAX. RMS AVG. RMS *

BUS: 1_SW US-1A West 3P Duty: 7.161 8.52 Z1= 0.6718 10.017 8.654

SLG DUTY: 2.313 11.56 Z2= 0.6718 3.401

12000. VOLTS LN/LN: 6.202 Z0= 4.8965

LN/LN/GND: 6.214 ( 1.379 GND RETURN KA)

BUS: 1_SW US-1B West 3P Duty: 7.150 8.43 Z1= 0.6729 9.981 8.628

SLG DUTY: 2.312 11.43 Z2= 0.6729 3.393

12000. VOLTS LN/LN: 6.192 Z0= 4.8990

LN/LN/GND: 6.203 ( 1.379 GND RETURN KA)

BUS: 1_SW US-2A East 3P Duty: 7.406 11.76 Z1= 0.6496 10.916 9.253

SLG DUTY: 2.354 15.92 Z2= 0.6496 3.607

12000. VOLTS LN/LN: 6.414 Z0= 4.8329

LN/LN/GND: 6.432 ( 1.399 GND RETURN KA)

BUS: 1_SW US-2B East 3P Duty: 7.397 11.60 Z1= 0.6504 10.881 9.230

SLG DUTY: 2.352 15.70 Z2= 0.6504 3.599

12000. VOLTS LN/LN: 6.406 Z0= 4.8358

LN/LN/GND: 6.424 ( 1.398 GND RETURN KA)

BUS: 1_SW US-3A West 3P Duty: 7.076 8.04 Z1= 0.6800 9.794 8.494

SLG DUTY: 2.299 10.88 Z2= 0.6800 3.349

12000. VOLTS LN/LN: 6.128 Z0= 4.9195

LN/LN/GND: 6.139 ( 1.372 GND RETURN KA)

BUS: 1_SW US-3B West 3P Duty: 7.067 7.97 Z1= 0.6808 9.765 8.474

SLG DUTY: 2.297 10.79 Z2= 0.6808 3.343

12000. VOLTS LN/LN: 6.120 Z0= 4.9220

LN/LN/GND: 6.130 ( 1.371 GND RETURN KA)

BUS: 1_SW US-4A East 3P Duty: 7.484 12.74 Z1= 0.6429 11.154 9.418

SLG DUTY: 2.366 17.24 Z2= 0.6429 3.658

12000. VOLTS LN/LN: 6.481 Z0= 4.8139

LN/LN/GND: 6.501 ( 1.405 GND RETURN KA)

BUS: 1_SW US-4B East 3P Duty: 7.475 12.55 Z1= 0.6437 11.118 9.394

SLG DUTY: 2.365 16.98 Z2= 0.6437 3.649

12000. VOLTS LN/LN: 6.473 Z0= 4.8167

LN/LN/GND: 6.493 ( 1.404 GND RETURN KA)

Mar 27, 2018 06:01:11 UNBALANCED LOW VOLTAGE DUTY PAGE 2

U N B A L A N C E D F A U L T R E P O R T

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

LOCATION FAULT KA X/R EQUIVALENT (PU) ASYM. KA AT 0.5 CYCLES

VOLTAGE DUTIES (RMS) FAULT IMPEDANCE * MAX. RMS AVG. RMS *

BUS: 1_SW US-5A East 3P Duty: 7.469 12.43 Z1= 0.6442 11.095 9.379

SLG DUTY: 2.364 16.83 Z2= 0.6442 3.644

12000. VOLTS LN/LN: 6.468 Z0= 4.8182

LN/LN/GND: 6.487 ( 1.404 GND RETURN KA)

BUS: 1_SW US-5B East 3P Duty: 7.456 12.22 Z1= 0.6452 11.049 9.349

SLG DUTY: 2.362 16.55 Z2= 0.6452 3.635

12000. VOLTS LN/LN: 6.458 Z0= 4.8206

LN/LN/GND: 6.476 ( 1.403 GND RETURN KA)

BUS: 1_SW US-6 East 3P Duty: 7.455 12.19 Z1= 0.6453 11.044 9.345

SLG DUTY: 2.362 16.51 Z2= 0.6453 3.633

12000. VOLTS LN/LN: 6.457 Z0= 4.8215

LN/LN/GND: 6.475 ( 1.403 GND RETURN KA)

SWGR: 1_NORTH 3P Duty: 7.500 13.04 Z1= 0.6415 11.213 9.458

SLG DUTY: 2.369 17.63 Z2= 0.6415 3.670

12000. VOLTS LN/LN: 6.495 Z0= 4.8107

LN/LN/GND: 6.515 ( 1.406 GND RETURN KA)

SWGR: 1_SOUTH 3P Duty: 7.499 13.04 Z1= 0.6416 11.211 9.456

SLG DUTY: 2.369 17.64 Z2= 0.6416 3.670

12000. VOLTS LN/LN: 6.494 Z0= 4.8103

LN/LN/GND: 6.514 ( 1.407 GND RETURN KA)

SWGR: 1_US-7 3P Duty: 6.980 7.21 Z1= 0.6893 9.460 8.270

SLG DUTY: 2.282 9.74 Z2= 0.6893 3.268

12000. VOLTS LN/LN: 6.045 Z0= 4.9463

LN/LN/GND: 6.053 ( 1.364 GND RETURN KA)

Mar 27, 2018 06:01:11 UNBALANCED LOW VOLTAGE DUTY PAGE 3

F A U L T S T U D Y S U M M A R Y

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

BUS RECORD VOLTAGE A V A I L A B L E F A U L T D U T I E S (KA)

NO NAME L-L 3 PHASE X/R LINE/GRND X/R

BUS: 1_SW US-1A West 12000. 7.161 8.52 2.313 11.56 BUS: 1_SW US-1B West 12000. 7.150 8.43 2.312 11.43 BUS: 1_SW US-2A East 12000. 7.406 11.76 2.354 15.92 BUS: 1_SW US-2B East 12000. 7.397 11.60 2.352 15.70 BUS: 1_SW US-3A West 12000. 7.076 8.04 2.299 10.88

BUS: 1_SW US-3B West 12000. 7.067 7.97 2.297 10.79 BUS: 1_SW US-4A East 12000. 7.484 12.74 2.366 17.24 BUS: 1_SW US-4B East 12000. 7.475 12.55 2.365 16.98 BUS: 1_SW US-5A East 12000. 7.469 12.43 2.364 16.83 BUS: 1_SW US-5B East 12000. 7.456 12.22 2.362 16.55

BUS: 1_SW US-6 East 12000. 7.455 12.19 2.362 16.51

SWGR: 1_NORTH 12000. 7.500 13.04 2.369 17.63

SWGR: 1_SOUTH 12000. 7.499 13.04 2.369 17.64

SWGR: 1_US-7 12000. 6.980 7.21 2.282 9.74

57 FAULTED BUSES, 58 BRANCHES, 2 CONTRIBUTIONS

UNBALANCED FAULTS REQUESTED

*** SHORT CIRCUIT STUDY COMPLETE ***

Mar 27, 2018 06:01:11 THREE PHASE MOMENTARY DUTY PAGE 1

T H R E E P H A S E M O M E N T A R Y D U T Y R E P O R T

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

BUS: 1_SW US-1A West E/Z: 7.161 KA AT -83.18 DEG ( 148.84 MVA) X/R: 8.52

SYM*1.6: 11.458 KA MOMENTARY BASED ON X/R: 10.017 KA

SYM*2.7: 19.335 KA CREST BASED ON X/R: 17.132 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1149 + J 0.9606 OHMS

Mar 27, 2018 06:01:11 THREE PHASE MOMENTARY DUTY PAGE 2

MODEL TRANSFORMER TAPS: NO

BUS: 1_SW US-1B West E/Z: 7.150 KA AT -83.11 DEG ( 148.60 MVA) X/R: 8.43

SYM*1.6: 11.439 KA MOMENTARY BASED ON X/R: 9.981 KA

SYM*2.7: 19.304 KA CREST BASED ON X/R: 17.075 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1163 + J 0.9620 OHMS

BUS: 1_SW US-2A East E/Z: 7.406 KA AT -85.01 DEG ( 153.94 MVA) X/R: 11.76

SYM*1.6: 11.850 KA MOMENTARY BASED ON X/R: 10.916 KA

SYM*2.7: 19.997 KA CREST BASED ON X/R: 18.493 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0814 + J 0.9319 OHMS

BUS: 1_SW US-2B East E/Z: 7.397 KA AT -84.94 DEG ( 153.75 MVA) X/R: 11.60

SYM*1.6: 11.836 KA MOMENTARY BASED ON X/R: 10.881 KA

SYM*2.7: 19.973 KA CREST BASED ON X/R: 18.441 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0826 + J 0.9329 OHMS

BUS: 1_SW US-3A West E/Z: 7.076 KA AT -82.79 DEG ( 147.07 MVA) X/R: 8.04

SYM*1.6: 11.321 KA MOMENTARY BASED ON X/R: 9.794 KA

SYM*2.7: 19.105 KA CREST BASED ON X/R: 16.778 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1229 + J 0.9714 OHMS

BUS: 1_SW US-3B West E/Z: 7.067 KA AT -82.73 DEG ( 146.88 MVA) X/R: 7.97

SYM*1.6: 11.307 KA MOMENTARY BASED ON X/R: 9.765 KA

SYM*2.7: 19.080 KA CREST BASED ON X/R: 16.733 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1241 + J 0.9725 OHMS

BUS: 1_SW US-4A East E/Z: 7.484 KA AT -85.38 DEG ( 155.55 MVA) X/R: 12.74

SYM*1.6: 11.974 KA MOMENTARY BASED ON X/R: 11.154 KA

SYM*2.7: 20.207 KA CREST BASED ON X/R: 18.855 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0745 + J 0.9227 OHMS

BUS: 1_SW US-4B East E/Z: 7.475 KA AT -85.31 DEG ( 155.36 MVA) X/R: 12.55

SYM*1.6: 11.960 KA MOMENTARY BASED ON X/R: 11.118 KA

SYM*2.7: 20.182 KA CREST BASED ON X/R: 18.801 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0757 + J 0.9238 OHMS

Mar 27, 2018 06:01:11 THREE PHASE MOMENTARY DUTY PAGE 3

MODEL TRANSFORMER TAPS: NO

CONTRIBUTIONS TO BUS: 1_SW US-4B East (CONTINUED)

BUS: 1_SW US-5A East E/Z: 7.469 KA AT -85.27 DEG ( 155.24 MVA) X/R: 12.43

SYM*1.6: 11.950 KA MOMENTARY BASED ON X/R: 11.095 KA

SYM*2.7: 20.166 KA CREST BASED ON X/R: 18.767 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0765 + J 0.9245 OHMS

BUS: 1_SW US-5B East E/Z: 7.456 KA AT -85.19 DEG ( 154.98 MVA) X/R: 12.22

SYM*1.6: 11.930 KA MOMENTARY BASED ON X/R: 11.049 KA

SYM*2.7: 20.133 KA CREST BASED ON X/R: 18.699 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0779 + J 0.9259 OHMS

BUS: 1_SW US-6 East E/Z: 7.455 KA AT -85.18 DEG ( 154.96 MVA) X/R: 12.19

SYM*1.6: 11.929 KA MOMENTARY BASED ON X/R: 11.044 KA

SYM*2.7: 20.130 KA CREST BASED ON X/R: 18.691 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0781 + J 0.9260 OHMS

Mar 27, 2018 06:01:11 THREE PHASE MOMENTARY DUTY PAGE 4

MODEL TRANSFORMER TAPS: NO

SWGR: 1_NORTH E/Z: 7.500 KA AT -85.48 DEG ( 155.88 MVA) X/R: 13.04

SYM*1.6: 11.999 KA MOMENTARY BASED ON X/R: 11.213 KA

SYM*2.7: 20.249 KA CREST BASED ON X/R: 18.942 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0727 + J 0.9209 OHMS

SWGR: 1_SOUTH E/Z: 7.499 KA AT -85.48 DEG ( 155.86 MVA) X/R: 13.04

SYM*1.6: 11.998 KA MOMENTARY BASED ON X/R: 11.211 KA

SYM*2.7: 20.247 KA CREST BASED ON X/R: 18.940 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0727 + J 0.9210 OHMS

SWGR: 1_US-7 E/Z: 6.980 KA AT -81.99 DEG ( 145.08 MVA) X/R: 7.21

SYM*1.6: 11.168 KA MOMENTARY BASED ON X/R: 9.460 KA

SYM*2.7: 18.846 KA CREST BASED ON X/R: 16.257 KA

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1384 + J 0.9829 OHMS

Mar 27, 2018 06:01:11 UNBALANCED MOMENTARY DUTY PAGE 1

U N B A L A N C E D M O M E N T A R Y D U T Y R E P O R T

MODEL TRANSFORMER TAPS: NO

LOCATION FAULT E/Z X/R EQUIVALENT MOMENTARY FAULT DUTIES

VOLTAGE TYPE KA IMPEDANCE (PU) E/Z * 1.6 @ 0.5 CYCLE

3P Duty: 7.16 8.5 Z1= 0.6718 11.46 10.02 BUS: 1_SW US-1A West SLG DUTY: 2.31 11.6 Z2= 0.6718 3.70 3.40

12000. VOLTS LN/LN: 6.20 Z0= 4.8965

LN/LN/GND: 6.21 ( 1.38 GND RETURN KA)

3P Duty: 7.15 8.4 Z1= 0.6729 11.44 9.98 BUS: 1_SW US-1B West SLG DUTY: 2.31 11.4 Z2= 0.6729 3.70 3.39

12000. VOLTS LN/LN: 6.19 Z0= 4.8990

LN/LN/GND: 6.20 ( 1.38 GND RETURN KA)

3P Duty: 7.41 11.8 Z1= 0.6496 11.85 10.92 BUS: 1_SW US-2A East SLG DUTY: 2.35 15.9 Z2= 0.6496 3.77 3.61

12000. VOLTS LN/LN: 6.41 Z0= 4.8329

LN/LN/GND: 6.43 ( 1.40 GND RETURN KA)

3P Duty: 7.40 11.6 Z1= 0.6504 11.84 10.88 BUS: 1_SW US-2B East SLG DUTY: 2.35 15.7 Z2= 0.6504 3.76 3.60

12000. VOLTS LN/LN: 6.41 Z0= 4.8358

LN/LN/GND: 6.42 ( 1.40 GND RETURN KA)

3P Duty: 7.08 8.0 Z1= 0.6800 11.32 9.79 BUS: 1_SW US-3A West SLG DUTY: 2.30 10.9 Z2= 0.6800 3.68 3.35

12000. VOLTS LN/LN: 6.13 Z0= 4.9195

LN/LN/GND: 6.14 ( 1.37 GND RETURN KA)

3P Duty: 7.07 8.0 Z1= 0.6808 11.31 9.76 BUS: 1_SW US-3B West SLG DUTY: 2.30 10.8 Z2= 0.6808 3.68 3.34

12000. VOLTS LN/LN: 6.12 Z0= 4.9220

LN/LN/GND: 6.13 ( 1.37 GND RETURN KA)

3P Duty: 7.48 12.7 Z1= 0.6429 11.97 11.15 BUS: 1_SW US-4A East SLG DUTY: 2.37 17.2 Z2= 0.6429 3.79 3.66

12000. VOLTS LN/LN: 6.48 Z0= 4.8139

LN/LN/GND: 6.50 ( 1.41 GND RETURN KA)

3P Duty: 7.47 12.5 Z1= 0.6437 11.96 11.12 BUS: 1_SW US-4B East SLG DUTY: 2.36 17.0 Z2= 0.6437 3.78 3.65

12000. VOLTS LN/LN: 6.47 Z0= 4.8167

LN/LN/GND: 6.49 ( 1.40 GND RETURN KA)

Mar 27, 2018 06:01:11 UNBALANCED MOMENTARY DUTY PAGE 2

U N B A L A N C E D M O M E N T A R Y D U T Y R E P O R T

MODEL TRANSFORMER TAPS: NO

LOCATION FAULT E/Z X/R EQUIVALENT MOMENTARY FAULT DUTIES

VOLTAGE TYPE KA IMPEDANCE (PU) E/Z * 1.6 @ 0.5 CYCLE

3P Duty: 7.47 12.4 Z1= 0.6442 11.95 11.09 BUS: 1_SW US-5A East SLG DUTY: 2.36 16.8 Z2= 0.6442 3.78 3.64

12000. VOLTS LN/LN: 6.47 Z0= 4.8182

LN/LN/GND: 6.49 ( 1.40 GND RETURN KA)

3P Duty: 7.46 12.2 Z1= 0.6452 11.93 11.05 BUS: 1_SW US-5B East SLG DUTY: 2.36 16.6 Z2= 0.6452 3.78 3.64

12000. VOLTS LN/LN: 6.46 Z0= 4.8206

LN/LN/GND: 6.48 ( 1.40 GND RETURN KA)

3P Duty: 7.46 12.2 Z1= 0.6453 11.93 11.04 BUS: 1_SW US-6 East SLG DUTY: 2.36 16.5 Z2= 0.6453 3.78 3.63

12000. VOLTS LN/LN: 6.46 Z0= 4.8215

LN/LN/GND: 6.48 ( 1.40 GND RETURN KA)

3P Duty: 7.50 13.0 Z1= 0.6415 12.00 11.21

SWGR: 1_NORTH SLG DUTY: 2.37 17.6 Z2= 0.6415 3.79 3.67

12000. VOLTS LN/LN: 6.49 Z0= 4.8107

LN/LN/GND: 6.51 ( 1.41 GND RETURN KA)

3P Duty: 7.50 13.0 Z1= 0.6416 12.00 11.21

SWGR: 1_SOUTH SLG DUTY: 2.37 17.6 Z2= 0.6416 3.79 3.67

12000. VOLTS LN/LN: 6.49 Z0= 4.8103

LN/LN/GND: 6.51 ( 1.41 GND RETURN KA)

3P Duty: 6.98 7.2 Z1= 0.6893 11.17 9.46

SWGR: 1_US-7 SLG DUTY: 2.28 9.7 Z2= 0.6893 3.65 3.27

12000. VOLTS LN/LN: 6.04 Z0= 4.9463

LN/LN/GND: 6.05 ( 1.36 GND RETURN KA)

Mar 27, 2018 06:01:11 UNBALANCED MOMENTARY DUTY PAGE 3

M O M E N T A R Y D U T Y S U M M A R Y R E P O R T

MODEL TRANSFORMER TAPS: NO

SOLUTION METHOD : E/Z

BUS RECORD VOLTAGE * 3 P H A S E * * * * SLG * * *

NO NAME L-L KA X/R KA X/R

BUS: 1_SW US-1A West 12000. 10.017 8.52 3.401 11.56 BUS: 1_SW US-1B West 12000. 9.981 8.43 3.393 11.43 BUS: 1_SW US-2A East 12000. 10.916 11.76 3.607 15.92 BUS: 1_SW US-2B East 12000. 10.881 11.60 3.599 15.70 BUS: 1_SW US-3A West 12000. 9.794 8.04 3.349 10.88

BUS: 1_SW US-3B West 12000. 9.765 7.97 3.343 10.79 BUS: 1_SW US-4A East 12000. 11.154 12.74 3.658 17.24 BUS: 1_SW US-4B East 12000. 11.118 12.55 3.649 16.98 BUS: 1_SW US-5A East 12000. 11.095 12.43 3.644 16.83 BUS: 1_SW US-5B East 12000. 11.049 12.22 3.635 16.55

BUS: 1_SW US-6 East 12000. 11.044 12.19 3.633 16.51

SWGR: 1_NORTH 12000. 11.213 13.04 3.670 17.63

SWGR: 1_SOUTH 12000. 11.211 13.04 3.670 17.64

SWGR: 1_US-7 12000. 9.460 7.21 3.268 9.74

43 FAULTED BUSES, 58 BRANCHES, 2 CONTRIBUTIONS

UNBALANCED FAULTS REQUESTED

Mar 27, 2018 06:01:11 THREE PHASE INTERRUPTING DUTY PAGE 1

T H R E E P H A S E I N T E R R U P T I N G D U T Y R E P O R T

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

BUS: 1_SW US-1A West E/Z: 7.161 KA AT -83.18 DEG ( 148.84 MVA) X/R: 8.52

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1149 + J 0.9606 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-3 7.161 KA ANG: -83.18

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.206 0.06 R

GEN: 1_12KV 0.956 0.06 L

TOTAL REMOTE: 6.206 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.001

DUTY (KA) : 7.161 7.161 7.161 7.171

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.164 1.032 1.000 1.000

DUTY (KA) : 8.333 7.388 7.161 7.161

BUS: 1_SW US-1B West E/Z: 7.150 KA AT -83.11 DEG ( 148.60 MVA) X/R: 8.43

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1163 + J 0.9620 OHMS

CONTRIBUTIONS: BUS: 1_FDR B-3 7.150 KA ANG: -83.11

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.196 0.06 R

GEN: 1_12KV 0.954 0.06 L

TOTAL REMOTE: 6.196 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.001

DUTY (KA) : 7.150 7.150 7.150 7.159

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.161 1.030 1.000 1.000

DUTY (KA) : 8.297 7.366 7.150 7.150

BUS: 1_SW US-2A East E/Z: 7.406 KA AT -85.01 DEG ( 153.94 MVA) X/R: 11.76

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0814 + J 0.9319 OHMS

CONTRIBUTIONS: BUS: 1_B-2-2 7.406 KA ANG: 94.99

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.418 0.02 R

GEN: 1_12KV 0.988 0.02 L

TOTAL REMOTE: 6.418 KA NACD RATIO: 0.8666

Mar 27, 2018 06:01:11 THREE PHASE INTERRUPTING DUTY PAGE 2

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.015

DUTY (KA) : 7.406 7.406 7.406 7.520

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.256 1.089 1.024 1.000

DUTY (KA) : 9.300 8.065 7.587 7.406

BUS: 1_SW US-2B East E/Z: 7.397 KA AT -84.94 DEG ( 153.75 MVA) X/R: 11.60

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0826 + J 0.9329 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-2 7.397 KA ANG: 95.06

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.411 0.02 R

GEN: 1_12KV 0.987 0.02 L

TOTAL REMOTE: 6.411 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.014

DUTY (KA) : 7.397 7.397 7.397 7.503

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.252 1.086 1.023 1.000

DUTY (KA) : 9.260 8.032 7.565 7.397

BUS: 1_SW US-3A West E/Z: 7.076 KA AT -82.79 DEG ( 147.07 MVA) X/R: 8.04

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1229 + J 0.9714 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-3 7.076 KA ANG: 97.21

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.132 0.07 R

GEN: 1_12KV 0.944 0.07 L

TOTAL REMOTE: 6.132 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.001

DUTY (KA) : 7.076 7.076 7.076 7.081

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.148 1.024 1.000 1.000

DUTY (KA) : 8.121 7.249 7.076 7.076

Mar 27, 2018 06:01:11 THREE PHASE INTERRUPTING DUTY PAGE 3

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

BUS: 1_SW US-3B West E/Z: 7.067 KA AT -82.73 DEG ( 146.88 MVA) X/R: 7.97

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1241 + J 0.9725 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-3 7.067 KA ANG: 97.27

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.124 0.07 R

GEN: 1_12KV 0.943 0.07 L

TOTAL REMOTE: 6.124 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.001

DUTY (KA) : 7.067 7.067 7.067 7.071

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.145 1.023 1.000 1.000

DUTY (KA) : 8.094 7.232 7.067 7.067

BUS: 1_SW US-4A East E/Z: 7.484 KA AT -85.38 DEG ( 155.55 MVA) X/R: 12.74

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0745 + J 0.9227 OHMS

CONTRIBUTIONS: BUS: 1_FDR B-2 7.484 KA ANG: -85.38

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.486 0.00 R

GEN: 1_12KV 0.999 0.00 L

TOTAL REMOTE: 6.486 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.022

DUTY (KA) : 7.484 7.484 7.484 7.649

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.279 1.108 1.035 1.000

DUTY (KA) : 9.575 8.294 7.743 7.488

BUS: 1_SW US-4B East E/Z: 7.475 KA AT -85.31 DEG ( 155.36 MVA) X/R: 12.55

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0757 + J 0.9238 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-2 7.475 KA ANG: -85.31

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.478 0.00 R

GEN: 1_12KV 0.997 0.00 L

TOTAL REMOTE: 6.478 KA NACD RATIO: 0.8666

Mar 27, 2018 06:01:11 THREE PHASE INTERRUPTING DUTY PAGE 4

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.021

DUTY (KA) : 7.475 7.475 7.475 7.629

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.275 1.104 1.033 1.000

DUTY (KA) : 9.528 8.256 7.718 7.475

BUS: 1_SW US-5A East E/Z: 7.469 KA AT -85.27 DEG ( 155.24 MVA) X/R: 12.43

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0765 + J 0.9245 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-1 7.469 KA ANG: 94.73

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.473 0.01 R

GEN: 1_12KV 0.997 0.01 L

TOTAL REMOTE: 6.473 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.020

DUTY (KA) : 7.469 7.469 7.469 7.618

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.272 1.102 1.031 1.000

DUTY (KA) : 9.500 8.232 7.703 7.469

BUS: 1_SW US-5B East E/Z: 7.456 KA AT -85.19 DEG ( 154.98 MVA) X/R: 12.22

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0779 + J 0.9259 OHMS

CONTRIBUTIONS: BUS: 1_FDR B-1 7.456 KA ANG: 94.81

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.462 0.01 R

GEN: 1_12KV 0.995 0.01 L

TOTAL REMOTE: 6.462 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.018

DUTY (KA) : 7.456 7.456 7.456 7.594

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.267 1.098 1.029 1.000

DUTY (KA) : 9.446 8.187 7.674 7.456

Mar 27, 2018 06:01:11 THREE PHASE INTERRUPTING DUTY PAGE 5

PRE FAULT VOLTAGE: 1.0000

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

BUS: 1_SW US-6 East E/Z: 7.455 KA AT -85.18 DEG ( 154.96 MVA) X/R: 12.19

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0781 + J 0.9260 OHMS

CONTRIBUTIONS: BUS: 1_FDR A-1 7.455 KA ANG: -85.18

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.461 0.01 R

GEN: 1_12KV 0.995 0.01 L

TOTAL REMOTE: 6.461 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.018

DUTY (KA) : 7.455 7.455 7.455 7.592

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.266 1.097 1.029 1.000

DUTY (KA) : 9.439 8.181 7.670 7.455

SWGR: 1_NORTH E/Z: 7.500 KA AT -85.48 DEG ( 155.88 MVA) X/R: 13.04

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0727 + J 0.9209 OHMS

CONTRIBUTIONS: BUS: 1_SCE 6.499 KA ANG: -265.23

CBL-0009 SWGR: 1_SOUTH 1.001 KA ANG: 92.88

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.499 0.00 R

GEN: 1_12KV 1.001 0.00 L

TOTAL REMOTE: 6.499 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.024

DUTY (KA) : 7.500 7.500 7.500 7.680

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.287 1.114 1.038 1.003

DUTY (KA) : 9.649 8.356 7.782 7.520

SWGR: 1_SOUTH E/Z: 7.499 KA AT -85.48 DEG ( 155.86 MVA) X/R: 13.04

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.0727 + J 0.9210 OHMS

F: 1_12KV Gen BUS-0082 1.001 KA ANG: 92.88

Mar 27, 2018 06:01:11 THREE PHASE INTERRUPTING DUTY PAGE 6

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

CONTRIBUTIONS TO SWGR: 1_SOUTH (CONTINUED)

CBL-0009 SWGR: 1_NORTH 6.499 KA ANG: -85.23

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.499 0.00 R

GEN: 1_12KV 1.001 0.00 L

TOTAL REMOTE: 6.499 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.024

DUTY (KA) : 7.499 7.499 7.499 7.679

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.287 1.114 1.038 1.003

DUTY (KA) : 9.648 8.355 7.781 7.519

SWGR: 1_US-7 E/Z: 6.980 KA AT -81.99 DEG ( 145.08 MVA) X/R: 7.21

VOLTAGE: 12000. EQUIV. IMPEDANCE= 0.1384 + J 0.9829 OHMS

CONTRIBUTIONS: BUS: 1_US-7-1 6.980 KA ANG: -81.99

GENERATOR NAME -- AT BUS -- KA VOLTS PU LOCAL/REMOTE

UTIL: 1_SCE-2 6.049 0.09 R

GEN: 1_12KV 0.931 0.09 L

TOTAL REMOTE: 6.049 KA NACD RATIO: 0.8666

SYM2 SYM3 SYM5 SYM8

MULT. FACT: 1.000 1.000 1.000 1.000

DUTY (KA) : 6.980 6.980 6.980 6.980

TOT2 TOT3 TOT5 TOT8

MULT. FACT: 1.120 1.012 1.000 1.000

DUTY (KA) : 7.817 7.062 6.980 6.980

Mar 27, 2018 06:01:11 UNBALANCED INTERRUPTING DUTY PAGE 1

U N B A L A N C E D I N T E R R U P T I N G D U T Y R E P O R T

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

LOCATION FAULT E/Z X/R ANSI AC/DC INTERRUPTING

TYPE KA DECREMENT FACT. DUTIES (KA)

3 PHASE SLG 3 PHASE SLG

BUS: 1_SW US-1A West 3P Duty: 7.16 8.5 SYM2: 1.00 1.00 7.16 2.31

VOLTS: 12000.0 SLG: 2.31 11.6 SYM3: 1.00 1.00 7.16 2.31

NACD: 0.867 LN/LN: 6.20 SYM5: 1.00 1.00 7.16 2.31

LN/LN/GND: 6.21 SYM8: 1.00 1.01 7.17 2.35

GND RETURN: 1.38 TOT2: 1.16 1.25 8.33 2.90

Z1(PU): 0.67184 TOT3: 1.03 1.09 7.39 2.51

Z2(PU): 0.67184 TOT5: 1.00 1.03 7.16 2.37

Z0(PU): 4.89652 TOT8: 1.00 1.00 7.16 2.31

BUS: 1_SW US-1B West 3P Duty: 7.15 8.4 SYM2: 1.00 1.00 7.15 2.31

VOLTS: 12000.0 SLG: 2.31 11.4 SYM3: 1.00 1.00 7.15 2.31

NACD: 0.867 LN/LN: 6.19 SYM5: 1.00 1.00 7.15 2.31

LN/LN/GND: 6.20 SYM8: 1.00 1.01 7.16 2.34

GND RETURN: 1.38 TOT2: 1.16 1.25 8.30 2.89

Z1(PU): 0.67294 TOT3: 1.03 1.08 7.37 2.51

Z2(PU): 0.67294 TOT5: 1.00 1.02 7.15 2.37

Z0(PU): 4.89899 TOT8: 1.00 1.00 7.15 2.31

BUS: 1_SW US-2A East 3P Duty: 7.41 11.8 SYM2: 1.00 1.00 7.41 2.35

VOLTS: 12000.0 SLG: 2.35 15.9 SYM3: 1.00 1.00 7.41 2.36

NACD: 0.867 LN/LN: 6.41 SYM5: 1.00 1.01 7.41 2.37

LN/LN/GND: 6.43 SYM8: 1.02 1.05 7.52 2.47

GND RETURN: 1.40 TOT2: 1.26 1.35 9.30 3.19

Z1(PU): 0.64961 TOT3: 1.09 1.17 8.06 2.76

Z2(PU): 0.64961 TOT5: 1.02 1.08 7.59 2.54

Z0(PU): 4.83288 TOT8: 1.00 1.03 7.41 2.42

BUS: 1_SW US-2B East 3P Duty: 7.40 11.6 SYM2: 1.00 1.00 7.40 2.35

VOLTS: 12000.0 SLG: 2.35 15.7 SYM3: 1.00 1.00 7.40 2.35

NACD: 0.867 LN/LN: 6.41 SYM5: 1.00 1.01 7.40 2.37

LN/LN/GND: 6.42 SYM8: 1.01 1.05 7.50 2.46

GND RETURN: 1.40 TOT2: 1.25 1.35 9.26 3.18

Z1(PU): 0.65040 TOT3: 1.09 1.17 8.03 2.75

Z2(PU): 0.65040 TOT5: 1.02 1.08 7.57 2.53

Z0(PU): 4.83576 TOT8: 1.00 1.02 7.40 2.41

Mar 27, 2018 06:01:11 UNBALANCED INTERRUPTING DUTY PAGE 2

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

LOCATION FAULT E/Z X/R ANSI AC/DC INTERRUPTING

TYPE KA DECREMENT FACT. DUTIES (KA)

3 PHASE SLG 3 PHASE SLG

BUS: 1_SW US-3A West 3P Duty: 7.08 8.0 SYM2: 1.00 1.00 7.08 2.30

VOLTS: 12000.0 SLG: 2.30 10.9 SYM3: 1.00 1.00 7.08 2.30

NACD: 0.867 LN/LN: 6.13 SYM5: 1.00 1.00 7.08 2.30

LN/LN/GND: 6.14 SYM8: 1.00 1.01 7.08 2.32

GND RETURN: 1.37 TOT2: 1.15 1.24 8.12 2.84

Z1(PU): 0.67995 TOT3: 1.02 1.07 7.25 2.47

Z2(PU): 0.67995 TOT5: 1.00 1.02 7.08 2.34

Z0(PU): 4.91950 TOT8: 1.00 1.00 7.08 2.30

BUS: 1_SW US-3B West 3P Duty: 7.07 8.0 SYM2: 1.00 1.00 7.07 2.30

VOLTS: 12000.0 SLG: 2.30 10.8 SYM3: 1.00 1.00 7.07 2.30

NACD: 0.867 LN/LN: 6.12 SYM5: 1.00 1.00 7.07 2.30

LN/LN/GND: 6.13 SYM8: 1.00 1.01 7.07 2.32

GND RETURN: 1.37 TOT2: 1.15 1.23 8.09 2.84

Z1(PU): 0.68084 TOT3: 1.02 1.07 7.23 2.46

Z2(PU): 0.68084 TOT5: 1.00 1.02 7.07 2.33

Z0(PU): 4.92202 TOT8: 1.00 1.00 7.07 2.30

BUS: 1_SW US-4A East 3P Duty: 7.48 12.7 SYM2: 1.00 1.00 7.48 2.37

VOLTS: 12000.0 SLG: 2.37 17.2 SYM3: 1.00 1.02 7.48 2.41

NACD: 0.867 LN/LN: 6.48 SYM5: 1.00 1.02 7.48 2.41

LN/LN/GND: 6.50 SYM8: 1.02 1.06 7.65 2.51

GND RETURN: 1.41 TOT2: 1.28 1.38 9.57 3.25

Z1(PU): 0.64287 TOT3: 1.11 1.19 8.29 2.82

Z2(PU): 0.64287 TOT5: 1.03 1.09 7.74 2.59

Z0(PU): 4.81387 TOT8: 1.00 1.04 7.49 2.46

BUS: 1_SW US-4B East 3P Duty: 7.47 12.5 SYM2: 1.00 1.00 7.47 2.36

VOLTS: 12000.0 SLG: 2.36 17.0 SYM3: 1.00 1.01 7.47 2.40

NACD: 0.867 LN/LN: 6.47 SYM5: 1.00 1.02 7.47 2.40

LN/LN/GND: 6.49 SYM8: 1.02 1.06 7.63 2.50

GND RETURN: 1.40 TOT2: 1.27 1.37 9.53 3.24

Z1(PU): 0.64366 TOT3: 1.10 1.19 8.26 2.81

Z2(PU): 0.64366 TOT5: 1.03 1.09 7.72 2.58

Z0(PU): 4.81674 TOT8: 1.00 1.04 7.47 2.45

Mar 27, 2018 06:01:11 UNBALANCED INTERRUPTING DUTY PAGE 3

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

LOCATION FAULT E/Z X/R ANSI AC/DC INTERRUPTING

TYPE KA DECREMENT FACT. DUTIES (KA)

3 PHASE SLG 3 PHASE SLG

BUS: 1_SW US-5A East 3P Duty: 7.47 12.4 SYM2: 1.00 1.00 7.47 2.36

VOLTS: 12000.0 SLG: 2.36 16.8 SYM3: 1.00 1.01 7.47 2.39

NACD: 0.867 LN/LN: 6.47 SYM5: 1.00 1.02 7.47 2.40

LN/LN/GND: 6.49 SYM8: 1.02 1.06 7.62 2.50

GND RETURN: 1.40 TOT2: 1.27 1.37 9.50 3.23

Z1(PU): 0.64417 TOT3: 1.10 1.19 8.23 2.80

Z2(PU): 0.64417 TOT5: 1.03 1.09 7.70 2.57

Z0(PU): 4.81820 TOT8: 1.00 1.04 7.47 2.45

BUS: 1_SW US-5B East 3P Duty: 7.46 12.2 SYM2: 1.00 1.00 7.46 2.36

VOLTS: 12000.0 SLG: 2.36 16.6 SYM3: 1.00 1.01 7.46 2.38

NACD: 0.867 LN/LN: 6.46 SYM5: 1.00 1.01 7.46 2.39

LN/LN/GND: 6.48 SYM8: 1.02 1.05 7.59 2.49

GND RETURN: 1.40 TOT2: 1.27 1.36 9.45 3.22

Z1(PU): 0.64524 TOT3: 1.10 1.18 8.19 2.79

Z2(PU): 0.64524 TOT5: 1.03 1.09 7.67 2.56

Z0(PU): 4.82057 TOT8: 1.00 1.03 7.46 2.44

BUS: 1_SW US-6 East 3P Duty: 7.46 12.2 SYM2: 1.00 1.00 7.46 2.36

VOLTS: 12000.0 SLG: 2.36 16.5 SYM3: 1.00 1.01 7.46 2.38

NACD: 0.867 LN/LN: 6.46 SYM5: 1.00 1.01 7.46 2.39

LN/LN/GND: 6.48 SYM8: 1.02 1.05 7.59 2.49

GND RETURN: 1.40 TOT2: 1.27 1.36 9.44 3.22

Z1(PU): 0.64533 TOT3: 1.10 1.18 8.18 2.79

Z2(PU): 0.64533 TOT5: 1.03 1.08 7.67 2.56

Z0(PU): 4.82146 TOT8: 1.00 1.03 7.46 2.44

SWGR: 1_NORTH 3P Duty: 7.50 13.0 SYM2: 1.00 1.00 7.50 2.37

VOLTS: 12000.0 SLG: 2.37 17.6 SYM3: 1.00 1.02 7.50 2.42

NACD: 0.867 LN/LN: 6.49 SYM5: 1.00 1.02 7.50 2.42

LN/LN/GND: 6.51 SYM8: 1.02 1.06 7.68 2.52

GND RETURN: 1.41 TOT2: 1.29 1.38 9.65 3.27

Z1(PU): 0.64153 TOT3: 1.11 1.20 8.36 2.84

Z2(PU): 0.64153 TOT5: 1.04 1.10 7.78 2.60

Z0(PU): 4.81074 TOT8: 1.00 1.04 7.52 2.47

Mar 27, 2018 06:01:11 UNBALANCED INTERRUPTING DUTY PAGE 4

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

LOCATION FAULT E/Z X/R ANSI AC/DC INTERRUPTING

TYPE KA DECREMENT FACT. DUTIES (KA)

3 PHASE SLG 3 PHASE SLG

SWGR: 1_SOUTH 3P Duty: 7.50 13.0 SYM2: 1.00 1.00 7.50 2.37

VOLTS: 12000.0 SLG: 2.37 17.6 SYM3: 1.00 1.02 7.50 2.42

NACD: 0.867 LN/LN: 6.49 SYM5: 1.00 1.02 7.50 2.42

LN/LN/GND: 6.51 SYM8: 1.02 1.06 7.68 2.52

GND RETURN: 1.41 TOT2: 1.29 1.38 9.65 3.27

Z1(PU): 0.64160 TOT3: 1.11 1.20 8.35 2.84

Z2(PU): 0.64160 TOT5: 1.04 1.10 7.78 2.60

Z0(PU): 4.81027 TOT8: 1.00 1.04 7.52 2.47

SWGR: 1_US-7 3P Duty: 6.98 7.2 SYM2: 1.00 1.00 6.98 2.28

VOLTS: 12000.0 SLG: 2.28 9.7 SYM3: 1.00 1.00 6.98 2.28

NACD: 0.867 LN/LN: 6.04 SYM5: 1.00 1.00 6.98 2.28

LN/LN/GND: 6.05 SYM8: 1.00 1.00 6.98 2.29

GND RETURN: 1.36 TOT2: 1.12 1.21 7.82 2.75

Z1(PU): 0.68929 TOT3: 1.01 1.05 7.06 2.40

Z2(PU): 0.68929 TOT5: 1.00 1.01 6.98 2.30

Z0(PU): 4.94632 TOT8: 1.00 1.00 6.98 2.28

Mar 27, 2018 06:01:11 UNBALANCED INTERRUPTING DUTY PAGE 5

I N T E R R U P T I N G D U T Y S U M M A R Y R E P O R T

MODEL TRANSFORMER TAPS: NO

NACD OPTION: INTERPOLATED

BUS RECORD VOLTAGE NACD * 3 P H A S E * * * * S L G * * *

NO NAME L-L RATIO E/Z KA X/R E/Z KA X/R

BUS: 1_SW US-1A West 12000. 0.867 7.161 8.52 2.313 11.56 BUS: 1_SW US-1B West 12000. 0.867 7.150 8.43 2.312 11.43 BUS: 1_SW US-2A East 12000. 0.867 7.406 11.76 2.354 15.92 BUS: 1_SW US-2B East 12000. 0.867 7.397 11.60 2.352 15.70 BUS: 1_SW US-3A West 12000. 0.867 7.076 8.04 2.299 10.88

BUS: 1_SW US-3B West 12000. 0.867 7.067 7.97 2.297 10.79 BUS: 1_SW US-4A East 12000. 0.867 7.484 12.74 2.366 17.24 BUS: 1_SW US-4B East 12000. 0.867 7.475 12.55 2.365 16.98 BUS: 1_SW US-5A East 12000. 0.867 7.469 12.43 2.364 16.83 BUS: 1_SW US-5B East 12000. 0.867 7.456 12.22 2.362 16.55

BUS: 1_SW US-6 East 12000. 0.867 7.455 12.19 2.362 16.51

SWGR: 1_NORTH 12000. 0.867 7.500 13.04 2.369 17.63

SWGR: 1_SOUTH 12000. 0.867 7.499 13.04 2.369 17.64

SWGR: 1_US-7 12000. 0.867 6.980 7.21 2.282 9.74

43 FAULTED BUSES, 58 BRANCHES, 2 CONTRIBUTIONS

UNBALANCED FAULTS REQUESTED