(26)Electrical Panel Load Calculation(28.11.12)

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ELECTRICAL PANEL LOAD CALCULATION SYSTEM DETAILS LOAD DETA System Voltage (RL-YL) 430 Volt Load on R Phase System Voltage (YL-BL) 415 Volt Load on Y Phase System Voltage (YL-BL) 430 Volt Load on BPhase System Voltage Max (L-L) 425 Volt Voltage Differen System Voltage (L-N) 245 Volt Ambient Temperature (K1) 40 °C Expected Temp Ri Ground Temperature (K2) 35 °C Total Load (L-L) Soil Thermal Resistivity Not Known Ω Unbalance Curren Nature of Soil (K3) Wet Soil Total Connected Total Connected Phase P.F Air 1 2 Kw Feeder.I 3 Ph 1 0.8 Ground 2 2 Kw Feeder.I 1 Ph R 1 0.8 Air 1 1 3 2 Kw Feeder.IX 3 Ph 1 0.8 Air 1 1 4 2 Kw Feeder.II 3 Ph 1 0.8 Air 1 1 5 2 Kw 3 Ph 1 0.8 Air 1 1 6 2 Kw 3 Ph 1 0.8 Air 1 1 7 2 Kw Feeder.VI 3 Ph 1 0.8 Air 1 1 8 2 Kw Feeder.II 3 Ph 1 0.8 Air 1 1 9 2 Kw Feeder.I 1 Ph Y 1 0.8 Air 1 1 10 2 Kw Feeder.I 1 Ph Y 1 0.8 Air 1 1 11 2 Kw Feeder.X 3 Ph 1 0.8 Air 1 1 12 2 Kw 3 Ph 1 0.8 Air 1 1 13 2 Kw Feeder.I 3 Ph 1 0.8 Air 1 1 14 2 Kw Feeder.IV 3 Ph 1 0.8 Air 1 1 15 2 Kw Feeder.V 3 Ph 1 0.8 Air 1 1 Note: SYSTEM DETAILS 1 Enter Your System Detsils MAINPANEL DETAILS 1 Enetr Your Main Panel Capacity and Size of Incoming Cable of Main Panel 2 Enter Outgoing Circuit Capacity of Main Panel ELECTRICAL LOAD DETAILS OF MAIN PANEL 1 Enter connected Electrical Load in KW or HP 2 Select Your Electrical Circuit 3 Select Your Electrical Circuit's Phase (3 Phase or 1 Phase) 4 Enter P.F 5 Select Cable installation media (Ground/Air) 6 Enter Appropiate Details for Air or Ground Media 7 Enter Allowable Voltage Drop for that Circuit 8 Enter Total Length of that Circuit 9 Select Type of Cable Jignesh.Parmar, www.electricalnotes.wordpress.com ,jiguparmar@yah UnBalance Neutra Current Sr. No Total Connec ted Load Hp / Kw OutGoing Circuit Load on Phase Demand Factor Cable Installat ion Media No of Cable/ Tray No of Tray Feeder.VI II Feeder.VI I Feeder.II I

Transcript of (26)Electrical Panel Load Calculation(28.11.12)

Page 1: (26)Electrical Panel Load Calculation(28.11.12)

ELECTRICAL PANEL LOAD CALCULATION

SYSTEM DETAILS LOAD DETAILS ON MAIN PANELSystem Voltage (RL-YL) 430 Volt Load on R Phase 51System Voltage (YL-BL) 415 Volt Load on Y Phase 61System Voltage (YL-BL) 430 Volt Load on BPhase 41System Voltage Max (L-L) 425 Volt Voltage Difference 1.18%System Voltage (L-N) 245 Volt UnBalance Neutral Current 18Ambient Temperature (K1) 40 °C Expected Temp Rise 0Ground Temperature (K2) 35 °C Total Load (L-L) 61Soil Thermal Resistivity Not Known Ω Unbalance Current (Amp) 20%Nature of Soil (K3) Wet Soil Total Connected Hp 30

Total Connected KVA 38

Details of Connected Electrical Load on Main Panel

Phase P.F

Air Ground

1 2 Kw Feeder.I 3 Ph 1 0.8 Ground 1 Nill2 2 Kw Feeder.I 1 Ph R 1 0.8 Air 1 13 2 Kw Feeder.IX 3 Ph 1 0.8 Air 1 14 2 Kw Feeder.II 3 Ph 1 0.8 Air 1 15 2 Kw 3 Ph 1 0.8 Air 1 16 2 Kw 3 Ph 1 0.8 Air 1 17 2 Kw Feeder.VI 3 Ph 1 0.8 Air 1 18 2 Kw Feeder.II 3 Ph 1 0.8 Air 1 19 2 Kw Feeder.I 1 Ph Y 1 0.8 Air 1 1

10 2 Kw Feeder.I 1 Ph Y 1 0.8 Air 1 111 2 Kw Feeder.X 3 Ph 1 0.8 Air 1 112 2 Kw Feeder.III 3 Ph 1 0.8 Air 1 113 2 Kw Feeder.I 3 Ph 1 0.8 Air 1 114 2 Kw Feeder.IV 3 Ph 1 0.8 Air 1 115 2 Kw Feeder.V 3 Ph 1 0.8 Air 1 1

Note:SYSTEM DETAILS

1 Enter Your System DetsilsMAINPANEL DETAILS

1 Enetr Your Main Panel Capacity and Size of Incoming Cable of Main Panel

2 Enter Outgoing Circuit Capacity of Main Panel

ELECTRICAL LOAD DETAILS OF MAIN PANEL1 Enter connected Electrical Load in KW or HP2 Select Your Electrical Circuit3 Select Your Electrical Circuit's Phase (3 Phase or 1 Phase)4 Enter P.F5 Select Cable installation media (Ground/Air)6 Enter Appropiate Details for Air or Ground Media7 Enter Allowable Voltage Drop for that Circuit8 Enter Total Length of that Circuit9 Select Type of Cable

Jignesh.Parmar, www.electricalnotes.wordpress.com ,[email protected]

Sr. No

Total Connected

Load

Hp / Kw

OutGoing Circuit

Load on

PhaseDemand Factor

Cable Installation Media

No of Cable/ Tray

No of Tray

No of Cable/ Trench

Distance Between

Cable

Feeder.VIIIFeeder.VII

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ELECTRICAL PANEL LOAD CALCULATION

LOAD DETAILS ON MAIN PANEL MAIN PANEL DETAILSAmp Panel Incoming Side :Capacity of Out Going Feeders:Amp Main Panel Capacity: 50 KVA Feeder.I 60 AmpAmp Main Panel Capacity: 68 Amp Feeder.II 60 Amp

O.K Feeder.III 60 AmpAmp LT XLPE Insulated (1.1KV) Feeder.IV 60 Amp

°C 3cX 25 Feeder.V 60 AmpAmp AL Feeder.VI 60 Amp

Main Cable Capacity 99 Amp Feeder.VII 60 AmpKw Actual Load on Cable 61 Amp Feeder.VIII 60 Amp

KVA O.K Feeder.IX 60 AmpFeeder.X 60 Amp

Details of Connected Electrical Load on Main Panel

Type of Cable

Size Type

1 6% 10 PVC Flexible (Up to 1.1KV) 3cX0.5 AL 2 2.5 31 6% 10 PVC Flexible (Up to 1.1KV) 1cX0.5 AL 2 2.5 101 6% 10 HT XLPE Cable (11 KV Earthed) 1cX50 AL 2 2.5 31 6% 10 LT XLPE Insulated (1.1KV) 1cX35 AL 2 2.5 31 6% 10 LT XLPE Insulated (1.1KV) 1cX50 AL 2 2.5 31 6% 10 HT XLPE Cable (11 KV Earthed) 1cX70 CU 2 2.5 31 6% 10 HT XLPE Cable (11 KV Earthed) 1cX95 AL 2 2.5 31 6% 10 HT XLPE Cable (11 KV Earthed) 1cX120 AL 2 2.5 31 6% 10 HT XLPE Cable (11 KV Earthed) AL 2 2.5 101 6% 10 PVC Flexible (Up to 1.1KV) 1cX0.5 AL 2 2.5 101 6% 10 PVC Flexible (Up to 1.1KV) 1cX16 AL 2 2.5 31 6% 10 LT XLPE Insulated (1.1KV) 1cX16 CU 2 2.5 31 6% 200 HT XLPE Cable (11 KV Un Earthed) 1cX70 AL 2 2.5 31 6% 10 HT XLPE Cable (6.6 KV Earthed) 1cX120 AL 2 2.5 31 6% 10 HT XLPE Cable (11 KV Earthed) CU 2 2.5 3

Status of Main Panel:Selection of Main Incoming Cable:

Selection of Main Cable

No. of runs

of Cable

Allowable voltage

drop (%)

Cable Length (Meter)

Consumed Load

(Kw)Load (Kva)

Full Load Current (Amp)

Alu/Cu

1cX150

1cX185

3cX 240

Cable Detail Correction Factor

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FEEDER WISE ELECTRICAL LOAD ON MAIN PANELLoad on Feeder R Y B Status

Feeder.I 17 27 7 Amp O.KFeeder.II 7 7 7 Amp O.KFeeder.III 3 3 3 Amp O.KFeeder.IV 3 3 3 Amp O.KFeeder.V 3 3 3 Amp O.KFeeder.VI 3 3 3 Amp O.KFeeder.VII 3 3 3 Amp O.KFeeder.VIII 3 3 3 Amp O.KFeeder.IX 3 3 3 Amp O.KFeeder.X 3 3 3 Amp O.K

Details of Connected Electrical Load on Main Panel

Cable Selection Cable Design

3 4 0.8% O.K Not Economical10 4 4.5% O.K Economical 3 170 0.0% O.K Not Economical3 135 0.0% O.K Not Economical3 170 0.0% O.K Not Economical3 275 0.0% O.K Not Economical3 260 0.0% O.K Not Economical3 305 0.0% O.K Not Economical10 345 0.0% O.K Not Economical10 4 4.5% O.K Economical 3 62 0.0% O.K Not Economical3 106 0.0% O.K Not Economical3 215 0.2% O.K Not Economical3 305 0.0% O.K Not Economical3 510 0.0% O.K Not Economical

Full Load Current

After Derating

(Amp)

Current Capacity of Cable (Amp)

Actual Voltage Drop (%)

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Remarks

3cX1.5

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PVC Flexible (Up to 1.1KV) 1cX0.5 1cX4LT PVC Insulated (1.1KV) 1cX0.75 1cX6LT XLPE Insulated (1.1KV) 1cX1 1cX10HT XLPE Cable (6.6 KV Earthed) 1cX1.5 1cX16HT XLPE Cable (11 KV Earthed) 1cX2.5 1cX25HT XLPE Cable (11 KV Un Earthed) 1cX4 1cX35

1cX6 1cX501cX10 1cX701cX16 1cX951cX25 1cX1201cX35 1cX150 1cX50 1cX185 1cX70 1cX240 1cX95 1cX300 1cX120 1cX400 2cX0.5 1cX 500 2cX0.75 1cX 630 2cX1 1cX800 2cX1.5 1cX1000 2cX2.5 2cX1.52cX4 2cX2.53cX0.5 2cX43cX0.75 2cX 6

3cX1 2cX10

3cX1.5 2cX16 3cX2.5 2cX25 3cX4 2cX35

2cX50 2cX70 2cX95 2cX120 2cX150 2cX185 2cX240

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2cX300 2cX400 2cX500 2cX630 3cX1.53cX2.53cX43cX 6 3cX 10 3cX 16 3cX 25 3cX 35 3cX 50 3cX 70 3cX 95 3cX 120 3cX 150 3cX 185 3cX 240 3cX 300 3cX 400 3cX 500 3cX 630 3.5X16 3.5X25 3.5X35 3.5X50 3.5X70 3.5X95 3.5X120 3.5X150 3.5X185 3.5X240 3.5X300 3.5X400 3.5X500 3.5X6304cX 1.54cX 2.54cX4 4cX 6 4cX 10 4cX16 4cX 25 4cX35 4cX 50 4cX70 4cX 95 4cX 120 4cX 150 4cX 185 4cX 240 4cX 300 4cX 400 4cX 500 4cX 630

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1cX251cX351cX501cX701cX951cX1201cX150 1cX185 1cX240 1cX300 1cX400 1cX 500 1cX 630 1cX800 1cX1000 3cX 25 3cX 35 3cX 50 3cX 70 3cX 95 3cX 120 3cX 150 3cX 185

3cX 240

3cX 300 3cX 400

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Cable Derating FactorsTemperature Corrrection Factor:K1 Ground Corrrection Factor:K2

Ambient Temp© Insulation Insulation

PVC XLPE/EPR PVC XLPE/EPR10 1.22 1.15 10 1.1 1.0715 1.17 1.12 15 1.05 1.0420 1.12 1.08 20 0.95 0.9625 1.06 1.04 25 0.89 0.9335 0.94 0.96 35 0.77 0.8940 0.87 0.91 40 0.71 0.8545 0.79 0.87 45 0.63 0.850 0.71 0.82 50 0.55 0.7655 0.61 0.76 55 0.45 0.7160 0.5 0.71 60 0 0.6565 0 0.65 65 0 0.670 0 0.58 70 0 0.5375 0 0.5 75 0 0.4680 0 0.41 80 0 0.38

(Temperature Derating factor)Temp PVC Flexible LT PVC LT XLPE HT XLPE

25 1.25 1.16 1.28 1.1430 1.16 1.1 1.22 1.135 1.09 1.05 1.134 1.0440 1 1 1 145 0.9 0.94 0.975 0.9550 0.8 0.88 0.878 0.955 0.69 0.82 0.768 0.8560 0.62 0.74 0.658 0.8

Ground Temp©

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Ther.Resi Corrrection Factor:K3 Ground Cable Dist Correction Factor(K4)Soil Thermal Resistivity: 2.5 KM/W No of Circuit Nill cable Dia 0.125m 0.25m

Resistivity K3 1 1 1 1 11 1.18 2 0.75 0.8 0.85 0.9

1.5 1.1 3 0.65 0.7 0.75 0.82 1.05 4 0.6 0.6 0.7 0.75

2.5 1 5 0.55 0.55 0.65 0.73 0.96 6 0.5 0.55 0.6 0.7

Soil Corrrection Factor:K3Nature of Soil K3 (Cable Grouping factor)==No of TrayVery Wet Soil 1.21 1 2 3 4

Wet Soil 1.13 1 1 1 1 1Damp Soil 1.05 2 0.84 0.8 0.78 0.77

Dry Soil 1 3 0.8 0.76 0.74 0.73Very Dry Soil 0.86 4 0.78 0.74 0.72 0.71

5 0.77 0.73 0.7 0.696 0.75 0.71 0.7 0.68

Depth Facator (K5) 7 0.74 0.69 0.675 0.66Laying Depth(mt) Rating Factor 8 0.73 0.69 0.68 0.67

0.5 1.10.7 1.050.9 1.011 1

1.2 0.981.5 0.96

No of Cable/Tray

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Ground Cable Dist Correction Factor(K4)0.5m

10.90.850.80.80.8

(Cable Grouping factor)==No of Tray6 81 1 1

0.76 0.75 20.72 0.71 30.7 0.69 40.68 0.67 60.68 0.66 80.66 0.640.66 0.64

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Cable Details PVC Flexible

1cX0.5 39 0 4 4 0.0571cX0.75 26 0 7 7 0.100

1cX1 19.5 0 11 11 0.1571cX1.5 13.3 0 15 15 0.2141cX2.5 7.98 0 19 19 0.271

1cX4 4.95 0 26 26 0.3711cX6 3.3 0 35 35 0.5001cX10 1.91 0 46 46 0.657

1cX16 1.21 0 62 62 0.8861cX25 0.78 0 80 80 1.1431cX35 0.554 0 102 102 1.4571cX50 0.386 0 138 138 1.9711cX70 0.272 0 214 214 3.0571cX95 0.206 0 254 254 3.6291cX120 0.161 0 300 300 4.286

2cX0.5 39 0 4 4 0.0572cX0.75 26 0 7 7 0.100

2cX1 19.5 0 11 11 0.1572cX1.5 13.3 0 15 15 0.2142cX2.5 7.98 0 19 19 0.2712cX4 4.95 0 26 26 0.371

3cX0.5 39 0 4 4 0.0573cX0.75 26 0 7 7 0.100

3cX1 19.5 0 11 11 0.1573cX1.5 13.3 0 15 15 0.2143cX2.5 7.98 0 19 19 0.271

3cX4 4.95 0 26 26 0.371

1.1 KV PVC InsulatedAluminium Copper Current Capacity

Resi React Resi React Aluminium Cu

ohm/km ohm/km ohm/km ohm/km Amp Amp1cX4 8.8 0.158 5.52 0.158 — 35

1cX6 5.53 0.148 3.69 0.148 35 44

1cX10 3.7 0.138 2.19 0.138 47 60 1cX16 2.29 0.128 1.38 0.128 64 82

1cX25 1.44 0.12 0.87 0.12 84 110

1cX35 1.04 0.114 0.627 0.114 105 130 1cX50 0.77 0.11 0.463 0.11 130 165

1cX70 0.53 0.103 0.321 0.103 155 205

1cX95 0.38 0.101 0.231 0.101 190 245

1cX120 0.3 0.096 0.184 0.096 220 280 1cX150 0.25 0.094 0.149 0.094 250 320 1cX185 0.2 0.092 0.12 0.092 290 370

1cX240 0.15 0.09 0.091 0.09 335 425 1cX300 0.12 0.088 0.074 0.088 380 475 1cX400 0.094 0.088 0.059 0.088 435 550

Nominal Conductor Area (Sq.mm)

Maximum Conductor

Resistance at 20°C (ohm/km)

Maximum Conductor

Reactance at 20°C (ohm/km)

Aluminium Current Carrying Capacity (Amp)

Copper Current Carrying

Capacity (Amp)

Nominal Conductor

Area (Sq.mm)

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1cX 500 0.0726 0.087 0.046 0.087 480 590 1cX 630 0.0563 0.086 0.037 0.086 550 660 1cX800 0.044 0.083 0.031 0.083 610 725 1cX1000 0.0349 0.082 0.027 0.082 680 870

2cX1.5 21.72 0.126 14.5 0.126 16 202cX2.5 14.52 0.119 8.87 0.119 21 272cX4 8.89 0.116 5.52 0.116 27 35

2cX 6 5.53 0.11 3.69 0.11 35 45 2cX10 3.7 0.1 2.19 0.1 47 60 2cX16 2.29 0.097 1.38 0.097 59 78 2cX25 1.44 0.097 0.87 0.097 78 105 2cX35 1.04 0.097 0.627 0.097 99 125

2cX50 0.77 0.094 0.463 0.094 125 155 2cX70 0.53 0.09 0.321 0.09 150 195 2cX95 0.38 0.09 0.231 0.9 185 230

2cX120 0.3 0.087 0.184 0.087 210 265 2cX150 0.25 0.087 0.149 0.087 240 305 2cX185 0.2 0.087 0.12 0.087 275 350 2cX240 0.15 0.087 0.091 0.087 325 410 2cX300 0.12 0.086 0.073 0.086 365 465 2cX400 0.09 0.086 0.059 0.086 420 530 2cX500 0.09 0.086 0.059 0.086 475 605 2cX630 0.09 0.086 0.059 0.086 540 785

3cX1.5 21.72 0.126 14.5 0.126 13 173cX2.5 14.52 0.119 8.87 0.119 18 24

3cX4 8.89 0.116 5.52 0.116 23 30 3cX 6 5.53 0.11 3.69 0.11 30 39

3cX 10 3.7 0.1 2.19 0.1 40 52 3cX 16 2.29 0.097 1.38 0.097 51 66 3cX 25 1.44 0.097 0.87 0.097 70 90 3cX 35 1.04 0.097 0.627 0.097 86 110 3cX 50 0.77 0.094 0.463 0.094 105 135 3cX 70 0.53 0.09 0.321 0.09 130 165

3cX 95 0.38 0.9 0.231 0.09 155 200 3cX 120 0.3 0.087 0.184 0.087 180 230 3cX 150 0.25 0.087 0.149 0.087 205 265 3cX 185 0.2 0.087 0.12 0.087 240 305 3cX 240 0.15 0.087 0.0912 0.087 280 355 3cX 300 0.12 0.086 0.0739 0.086 315 400 3cX 400 0.09 0.086 0.0592 0.086 375 435 3cX 500 0.09 0.086 0.0592 0.086 425 520

3cX 630 0.09 0.086 0.0592 0.086 480 675 3.5X16 1.44 0.097 0.73 0.097 62 90 3.5X25 0.77 0.094 0.387 .0.094 70 90

3.5X35 0.53 0.09 0.268 0.09 86 110 3.5X50 0.38 0.09 0.193 0.09 105 135 3.5X70 0.3 0.087 0.153 0.087 130 165 3.5X95 0.2 0.087 0.099 0.087 155 200

3.5X120 0.15 0.087 0.075 0.087 180 230 3.5X150 0.12 0.086 0.06 0.086 205 265 3.5X185 0.09 0.086 0.047 0.086 240 305 3.5X240 0.08 0.085 0.046 0.085 280 355

3.5X300 0.08 0.085 0.046 0.085 315 400 3.5X400 0.08 0.084 0.045 0.084 375 435 3.5X500 0.08 0.084 0.045 0.084 425 520 3.5X630 0.08 0.084 0.045 0.084 480 675 4cX 1.5 21.72 0.126 14.5 0.126 13 17

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4cX 2.5 14.52 0.119 8.87 0.119 18 244cX4 8.89 0.116 5.52 0.116 23 30 4cX 6 5.53 0.11 3.69 0.11 30 39

4cX 10 3.7 0.1 2.19 0.1 40 52

4cX16 2.29 0.097 1.38 0.097 51 66 4cX 25 1.44 0.097 0.87 0.097 70 90 4cX35 1.04 0.097 0.62 0.097 86 110 4cX 50 0.77 0.094 0.46 0.094 105 135 4cX70 0.53 0.09 0.32 0.09 130 165 4cX 95 0.38 0.9 0.23 0.09 155 200 4cX 120 0.3 0.087 0.18 0.087 180 230 4cX 150 0.25 0.087 0.14 0.087 205 265

4cX 185 0.2 0.087 0.12 0.087 240 305 4cX 240 0.15 0.087 0.091 0.087 280 355 4cX 300 0.12 0.086 0.073 0.086 315 400

4cX 400 0.09 0.086 0.059 0.086 375 435 4cX 500 0.09 0.086 0.059 0.086 425 520

4cX 630 0.09 0.086 0.059 0.086 480 675

3.8 / 6.6 KV(6.6 KV Earthed) AL/COPPER COND, XLPE INSULATED CABLES Aluminium Copper Current Capacity

Resi React Resi React Aluminium Cu

ohm/km ohm/km ohm/km ohm/km Amp Amp1cX25 1.1 0.129 1.1 0.129 120 155 1cX35 1.1 0.129 1.1 0.129 145 185

1cX50 0.822 0.1293 0.822 0.1293 170 220

1cX70 0.568 0.1195 0.568 0.1195 215 275

1cX95 0.411 0.113 0.411 0.113 260 340

1cX120 0.325 0.1085 0.325 0.1085 305 390 1cX150 0.265 0.1062 0.265 0.1062 345 440

1cX185 0.211 0.1025 0.211 0.1025 395 510 1cX240 0.161 0.1011 0.161 0.1011 470 600 1cX300 0.13 0.0988 0.13 0.0988 540 680

1cX400 0.102 0.0959 0.102 0.0959 380 480 1cX 500 0.08 0.0936 0.08 0.0936 430 530 1cX 630 0.063 0.0919 0.063 0.0919 480 580 1cX800 0.0513 0.0895 0.0513 0.0895 530 630 1cX1000 0.0426 0.0875 0.0426 0.0875 580 670 3cX 25 1.1 0.134 1.1 0.134 105 135 3cX 35 1.1 0.134 1.1 0.134 125 165 3cX 50 0.822 0.1358 0.822 0.1358 150 195

3cX 70 0.568 0.1237 0.568 0.1237 190 240 3cX 95 0.411 0.1168 0.411 0.1168 230 295 3cX 120 0.325 0.1128 0.325 0.1128 260 335 3cX 150 0.265 0.1096 0.265 0.1096 295 380 3cX 185 0.211 0.1073 0.211 0.1073 335 430 3cX 240 0.161 0.1041 0.161 0.1041 395 500 3cX 300 0.13 0.1002 0.13 0.1002 450 570

3cX 400 0.102 0.0968 0.102 0.0968 520 650

6.6 /11 KV(6.6KV Un-Earthed/11KV Earthed) AL/COPPER COND, XLPE INSULATED CABLES Aluminium Copper Current Capacity

Resi React Resi React Aluminium Cuohm/km ohm/km ohm/km ohm/km Amp Amp

1cX25 1.1 0.134 1.1 0.134 120 155

1cX35 1.1 0.134 1.1 0.134 145 185

Nominal Conductor

Area (Sq.mm)

Nominal Conductor

Area (Sq.mm)

Page 15: (26)Electrical Panel Load Calculation(28.11.12)

1cX50 0.822 0.1358 0.822 0.1358 170 220

1cX70 0.568 0.1237 0.568 0.1237 215 275

1cX95 0.411 0.1168 0.411 0.1168 260 340

1cX120 0.325 0.1128 0.325 0.1128 305 390

1cX150 0.265 0.1096 0.265 0.1096 345 440 1cX185 0.211 0.1073 0.211 0.1073 395 510 1cX240 0.161 0.1041 0.161 0.1041 470 600 1cX300 0.13 0.1002 0.13 0.1002 540 680 1cX400 0.102 0.0968 0.102 0.0968 630 790 1cX 500 0.08 0.0939 0.08 0.0939 730 910 1cX 630 0.063 0.0921 0.063 0.0921 840 1030 1cX800 0.0513 0.097 0.0513 0.097 960 1140

1cX1000 0.0426 0.0875 0.0426 0.0875 1070 1250 3cX 25 1.1 0.134 1.1 0.134 105 135 3cX 35 1.1 0.134 1.1 0.134 125 165

3cX 50 0.822 0.1358 0.822 0.1358 150 195 3cX 70 0.568 0.1237 0.568 0.1237 190 240 3cX 95 0.411 0.1168 0.411 0.1168 230 295 3cX 120 0.325 0.1128 0.325 0.1128 260 335 3cX 150 0.265 0.1096 0.265 0.1096 295 380 3cX 185 0.211 0.1073 0.211 0.1073 335 430 3cX 240 0.161 0.1041 0.161 0.1041 395 500 3cX 300 0.13 0.1002 0.13 0.1002 450 570

3cX 400 0.102 0.0968 0.102 0.0968 520 650

11 KV(11KV Un Earthed) AL/COPPER COND, XLPE INSULATED CABLES Aluminium Copper Current Capacity

Resi React Resi React Aluminium Cu

ohm/km ohm/km ohm/km ohm/km Amp Amp1cX25 1.1 0.134 1.1 0.134 120 155

1cX35 1.1 0.134 1.1 0.134 145 185

1cX50 0.822 0.1358 0.822 0.1358 170 220 1cX70 0.568 0.1237 0.568 0.1237 215 275

1cX95 0.411 0.1168 0.411 0.1168 260 340

1cX120 0.325 0.1128 0.325 0.1128 305 390 1cX150 0.265 0.1096 0.265 0.1096 345 440 1cX185 0.211 0.1073 0.211 0.1073 395 510 1cX240 0.161 0.1041 0.161 0.1041 470 600 1cX300 0.13 0.1002 0.13 0.1002 540 680 1cX400 0.102 0.0968 0.102 0.0968 630 790 1cX 500 0.08 0.0939 0.08 0.0939 730 910

1cX 630 0.063 0.0921 0.063 0.0921 840 1030 1cX800 0.0513 0.097 0.0513 0.097 960 1140 1cX1000 0.0426 0.0875 0.0426 0.0875 1070 1250 3cX 25 1.1 0.134 1.1 0.134 105 135 3cX 35 1.1 0.134 1.1 0.134 125 165 3cX 50 0.822 0.1358 0.822 0.1358 150 195 3cX 70 0.568 0.1237 0.568 0.1237 190 240 3cX 95 0.411 0.1168 0.411 0.1168 230 295

3cX 120 0.325 0.1128 0.325 0.1128 260 335 3cX 150 0.265 0.1096 0.265 0.1096 295 380 3cX 185 0.211 0.1073 0.211 0.1073 335 430

3cX 240 0.161 0.1041 0.161 0.1041 395 500 3cX 300 0.13 0.1002 0.13 0.1002 450 570

3cX 400 0.102 0.0968 0.102 0.0968 520 650

Nominal Conductor

Area (Sq.mm)

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1.1 KV XLPE InsulatedAluminium Copper Current Capacity

Resi React Resi React Aluminium Cu

ohm/km ohm/km ohm/km ohm/km Amp Amp1cX4 1.555 0.102 1.555 0.102 — 45

1cX6 1.553 0.102 1.553 0.102 45 57

1cX10 1.553 0.102 1.553 0.102 61 77 1cX16 1.54 0.102 1.54 0.102 83 106

1cX25 1.54 0.102 0.93 0.102 115 145

1cX35 1.11 0.097 0.671 0.097 135 175 1cX50 0.82 0.092 0.495 0.092 170 215

1cX70 0.56 0.088 0.343 0.088 210 270

1cX95 0.41 0.085 0.247 0.085 255 330

1cX120 0.32 0.082 0.196 0.082 300 380

1cX150 0.265 0.082 0.159 0.082 342 430

1cX185 0.211 0.082 0.127 0.082 385 495

1cX240 0.162 0.079 0.0965 0.079 450 590 1cX300 0.13 0.078 0.0769 0.078 519 670 1cX400 0.1023 0.077 0.0608 0.077 605 780

Nominal Conductor

Area (Sq.mm)

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Page 18: (26)Electrical Panel Load Calculation(28.11.12)

1cX 500 0.0808 0.076 0.0468 0.076 700 900

1cX 630 0.0648 0.075 0.0362 0.075 809 1020

1cX800 0.053 0.075 0.0283 0.075 935 1140

1cX1000 0.0444 0.068 0.0225 0.068 1065 1250

2cX1.5 — — — — — — 2cX2.5 — — — — — — 2cX4 1.555 0.097 1.555 0.097 30 39

2cX 6 1.553 0.097 1.553 0.097 40 50

2cX10 1.553 0.085 1.553 0.085 53 67

2cX16 1.54 0.08 1.54 0.08 70 85

2cX25 1.54 0.08 0.93 0.08 99 125

2cX35 1.11 0.08 0.671 0.08 117 155

2cX50 0.082 0.078 0.495 0.078 140 190

2cX70 0.57 0.077 0.343 0.077 176 235

2cX95 0.41 0.074 0.247 0.074 221 290

2cX120 0.33 0.072 0.196 0.072 258 330 2cX150 0.27 0.072 0.159 0.072 294 375

2cX185 0.21 0.072 0.127 0.072 339 435

2cX240 0.16 0.072 0.0965 0.072 402 510

2cX300 0.13 0.071 0.0769 0.071 461 590

2cX400 0.1 0.07 0.0602 0.07 542 670

2cX500 0.1 0.07 0.0602 0.07 624 750

2cX630 0.1 0.07 0.0602 0.07 723 875

3cX1.5 — — — — — — 3cX2.5 — — — — — —

3cX4 1.581 0.097 1.581 0.097 30 39

3cX 6 1.57 0.097 1.57 0.097 40 50

3cX 10 1.55 0.08 1.55 0.08 53 67

3cX 16 1.557 0.08 1.557 0.08 70 85

3cX 25 1.54 0.08 0.93 0.08 99 125

3cX 35 1.11 0.08 0.671 0.08 117 155

3cX 50 0.82 0.78 0.495 0.078 140 190

3cX 70 0.57 0.077 0.343 0.077 176 235

3cX 95 0.41 0.074 0.247 0.074 221 290 3cX 120 0.33 0.072 0.196 0.072 258 330 3cX 150 0.27 0.072 0.159 0.072 294 375

3cX 185 0.21 0.072 0.127 0.072 339 435

3cX 240 0.16 0.072 0.0965 0.072 402 510

3cX 300 0.13 0.071 0.0769 0.071 461 590

3cX 400 0.1 0.07 0.0602 0.07 542 670

3cX 500 0.1 0.07 0.0602 0.07 624 750

3cX 630 0.1 0.07 0.0602 0.07 723 875

3.5X16 — — — — — —

3.5X25 1.54 0.08 0.93 0.08 99 125

3.5X35 1.11 0.08 0.671 0.08 117 155 3.5X50 0.82 0.078 0.0495 0.078 140 190

3.5X70 0.57 0.077 0.343 0.077 176 235

3.5X95 0.41 0.074 0.247 0.074 221 290

3.5X120 0.33 0.072 0.196 0.072 258 330

3.5X150 0.27 0.072 0.159 0.072 294 375

3.5X185 0.21 0.072 0.127 0.072 339 435

3.5X240 0.16 0.072 0.0965 0.072 402 510

3.5X300 0.13 0.071 0.0769 0.071 461 590 3.5X400 0.1 0.07 0.0602 0.07 542 670

3.5X500 0.1 0.07 0.0602 0.07 624 750

3.5X630 0.1 0.07 0.0602 0.07 723 875

4cX 1.5 — — — — — —

Page 19: (26)Electrical Panel Load Calculation(28.11.12)

4cX 2.5 — — — — — —

4cX4 5.53 0.11 3.69 0.11 30 39

4cX 6 3.7 0.1 2.19 0.1 40 50

4cX 10 2.29 0.097 1.38 0.097 53 67

4cX16 2.45 0.08 1.47 0.08 70 85 4cX 25 1.54 0.08 0.93 0.08 99 125 4cX35 1.11 0.08 0.671 0.08 117 155

4cX 50 0.082 0.078 0.495 0.078 140 190

4cX70 0.57 0.077 0.343 0.077 176 235

4cX 95 0.41 0.074 0.247 0.074 221 290

4cX 120 0.33 0.072 0.196 0.072 258 330

4cX 150 0.27 0.072 0.159 0.072 294 375

4cX 185 0.21 0.072 0.127 0.072 339 435

4cX 240 0.16 0.072 0.0965 0.072 402 510

4cX 300 0.13 0.071 0.0769 0.071 461 590

4cX 400 0.1 0.07 0.0602 0.07 542 670 4cX 500 0.1 0.07 0.0602 0.07 624 750

4cX 630 0.1 0.07 0.0602 0.07 723 875

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