3ph control panel fgt short circuit calculations

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  • 8/14/2019 3ph Control panel FGT Short Circuit Calculations

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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

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    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