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8/14/2019 3ph Control panel FGT Short Circuit Calculations
1/27
Page 1 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES701Use Panel Isolator
Supply fault rms current level (KVA) 8970 (taken from Harmonic calculations)
% Reactance 1
Protective device Moeller NZMA160
Range 125 160
Short circuit rating 25 kA
Short circuit release 10 * Range max
Max energy let through 75Max short circuit setting 1600 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Panel symmetrical fault level 1108 KVA
Conductor
Copper YInsulation
Tri Rated Y
Mineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
50 479972 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
19.9697 Seconds
19969.73 milliseconds
Conductor energy let through capability
51122500
51122.50
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
KA2
s
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
2/27
Page 2 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES766101
Use ID Fan
Supply fault rms current level (KVA) 1108
% Reactance 1
Protective device MG18467
Range 63 63
Short circuit rating 20 kA
Short circuit release 10 * Range maxMax energy let through 60
Max short circuit setting 630 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Panel symmetrical fault level 436 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
25 188989 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
32.2011 Seconds32201.12 milliseconds
Conductor energy let through capability
12780625
12780.63
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
KA2s
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
3/27
Page 3 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES7101
Use Distribution board feed
Supply fault rms current level (KVA) 1108
% Reactance 1
Protective device MG 24883
Range 63 63
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 504 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 349 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
16 151191 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
20.6087 Seconds20608.72 milliseconds
Conductor energy let through capability
5234944
5234.94
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
4/27
Page 4 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES7001
Use Internal supply isolator
Supply fault rms current level (KVA) 1108
% Reactance 1
Protective device MG 24884
Range 63 63
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 504 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 349 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
35 151191 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
98.6159 Seconds98615.93 milliseconds
Conductor energy let through capability
25050025
25050.03
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
5/27
Page 5 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES744001
Use Air Blast Cooler supply
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG 18466
Range 32 32
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 256 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 177 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
4 76795 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
4.9924 Seconds4992.43 milliseconds
Conductor energy let through capability
327184
327.18
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
6/27
Page 6 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 4
Use Internal supplies
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG19270
Range 25 25
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 200 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 80 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
10 34640 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
51.1225 Seconds51122.50 milliseconds
Conductor energy let through capability
2044900
2044.90
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
7/27
Page 7 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 5
Use Bag filter heating
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG19268
Range 16 16
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 128 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 29 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
4 22170 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
19.9697 Seconds19969.73 milliseconds
Conductor energy let through capability
327184
327.18
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
8/27
Page 8 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 6
Use Bag filter control panel
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG19264
Range 6 6
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 48 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 19 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 8314 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
19.9697 Seconds19969.73 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
9/27
Page 9 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 7
Use Trace Heating
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG19268
Range 16 16
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 128 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 29 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
2.5 22170 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
7.8007 Seconds7800.67 milliseconds
Conductor energy let through capability
127806.25
127.81
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
10/27
Page 10 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES779001
Use Compressor
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG 24878
Range 16 16
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 128 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 89 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 38398 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
2.8082 Seconds2808.24 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
11/27
Page 11 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES758101
Use Bag filter extract
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG19266
Range 16 16
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 128 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 89 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 38398 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
2.8082 Seconds2808.24 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
12/27
Page 12 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES758201
Use Reagent elevator feed
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device PKZM 0-2.5
Range 1.6 2.5
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 20 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 14 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 6000 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
115.0256 Seconds115025.63milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
13/27
Page 13 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES758301
Use Spent reagent elevator
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device PKZM 0-2.5
Range 1.6 2.5
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 20 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 14 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 6000 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
115.0256 Seconds115025.63milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
14/27
Page 14 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES756201
Use PAC Mixer
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device PKZM 0-2.5
Range 1.6 2.5
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 20 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 14 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 6000 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
115.0256 Seconds115025.63milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
15/27
Page 15 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES756101
Use Reagent Feeder
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device MG19266
Range 10 10
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 80 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 18 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 13856 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
7.1891 Seconds7189.10 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
16/27
Page 16 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES747201
Use Boiler pump No2
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device PKZM 0-6.3
Range 4 6.3
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 50.4 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 35 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 15119 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
18.1131 Seconds18113.13 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
17/27
Page 17 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No EES747101
Use Boiler pump No1
Supply fault rms current level (KVA) 349
% Reactance 1
Protective device PKZM 0-6.3
Range 4 6.3
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 30 KA2s
Max short circuit setting 50.4 Amps
Operating voltage 400 V
Tripping time 25 milliseconds
Phases 3Terminal symmetrical fault level 35 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 15119 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
18.1131 Seconds18113.13 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
18/27
Page 18 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 8
Use Air receiver blowdown
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19266
Range 10 10
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 80 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 18 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 13856 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
7.1891 Seconds7189.10 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
19/27
Page 19 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 9
Use Boiler cleaning panel
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19266
Range 10 10
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 80 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 18 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 13856 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
7.1891 Seconds7189.10 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
20/27
Page 20 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 10
Use Particulate monitor
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19263
Range 4 4
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 32 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 7 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 5542 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
44.9319 Seconds44931.88 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
21/27
Page 21 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 11
Use Panel Instruments
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19263
Range 4 4
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 32 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 7 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 5542 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
44.9319 Seconds44931.88 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
22/27
Page 22 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 12
Use PLC Supply
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19264
Range 6 6
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 48 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 11 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 8314 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
19.9697 Seconds19969.73 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
23/27
Page 23 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 13
Use DC Power supply
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19266
Range 10 10
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 80 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 18 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 13856 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
7.1891 Seconds7189.10 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
24/27
Page 24 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 14
Use 230/24V Transformer
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19264
Range 6 6
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 48 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 11 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 8314 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
19.9697 Seconds19969.73 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
25/27
Page 25 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 15
Use Internal socket
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19264
Range 6 6
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 48 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 11 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 8314 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
19.9697 Seconds19969.73 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
26/27
Page 26 of27 20060108.xls
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 16
Use Analysis Panel
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19266
Range 10 10
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 80 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 18 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 13856 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
7.1891 Seconds7189.10 milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s
8/14/2019 3ph Control panel FGT Short Circuit Calculations
27/27
Short circuit protection calculations
Site Name March Crematorium
Contract Number C4???
Tag No MCB 17
Use Boiler shunt damper
Supply fault rms current level (KVA) 80
% Reactance 1
Protective device MG19261
Range 2 2
Short circuit rating 10 kA
Short circuit release 8 * Range maxMax energy let through 10 KA2s
Max short circuit setting 16 Amps
Operating voltage 230 V
Tripping time 25 milliseconds
Phases 1Terminal symmetrical fault level 4 KVA
Conductor
Copper YInsulation
Tri Rated YMineral N
Table 43A "k" value 143
Temperature coefficient 143.00
Conductor Cable test
csa mm2 Maximum current available Current Voltage drop
1.5 2771 Passed Passed
Heating time (t) seconds = (k2*s2)/I2
179.7275 Seconds179727.54milliseconds
Conductor energy let through capability
46010.25
46.01
Conductor short circuit energy capability Passed
Device tripping speed Passed
Note device OK
A2s
KA2s