LT Cable Sizing Calculation sheet

December 15, 2017 | Author: 2003vinay | Category: Force, Electric Power, Manufactured Goods, Physical Quantities, Electricity
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Cable sizing calculation sheet with formula...

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LT CABLE SIZING CALCULATION

J H G F E D C B A 0

-

-

19.08.2011 Revised as per comments 04.07.2011 New Calculations

Rev.

DATE

Approved by SRR Checked by HSY

MODIFICATIONS

Client

SK

Project ROLLER PRESS-1 Department

Num:

-

SK SK

HSY HSY

SRR SRR

Written

Check.

Approv.

MARAT, SAUDI Line:

CEMENT MILL Plan:

-

Site: CITY CEMENT

Written by

-

Process Stage ROLLER PRESS

Line 1

LT CABLE SIZING CALCULATIONS

3BYN4611003-SAA

Form. A4

Indice 0

Folio Last Folio

1 12

S.No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

KW 0.25 0.37 0.55 0.75 1.1 1.5 2.2 3 4 5.5 7.5 11 15 18.5 22 30 37 45 55 75 90 110 132 160 200 250

Motor Data Sheet Efficiency P.F 0.632 0.78 0.653 0.78 0.724 0.81 0.735 0.8 0.761 0.8 0.782 0.81 0.803 0.86 0.824 0.86 0.835 0.86 0.851 0.85 0.867 0.87 0.899 0.83 0.906 0.84 0.917 0.85 0.921 0.85 0.926 0.83 0.934 0.84 0.94 0.85 0.943 0.86 0.95 0.87 0.952 0.88 0.955 0.88 0.957 0.88 0.959 0.87 0.961 0.87 0.964 0.87

Reference: ABB Motor Catalogue

FLC 0.46 0.68 0.98 1.35 1.98 2.67 3.69 5.04 6.71 9.34 12.44 19.13 25.78 31.42 37.36 52.17 63.58 76.42 92.31 124.43 147.62 180.43 216.51 265.46 331.82 414.78

COPPER XLPE, UNARMOURED POWER CABLES 4 and 3 Core Cu. Cable Data Sheet in Air Size Current in air AC Resistance at 90deg Reactance 3C x 2.5 24 9.48 0.0985 3C x 4 36 5.9 0.0927 3C x 6 47 3.94 0.0884 3C x 10 39 3.7 0.1 3C x 16 50 2.29 0.097 3C x 25 63 1.44 0.097 3C x 35 77 1.04 0.097 3C x 50 95 0.77 0.094 3C x 70 115 0.53 0.09 3C x 95 140 0.38 0.09 3C x 120 155 0.3 0.087 3C x 150 175 0.25 0.087 3C x 185 200 0.2 0.087 3C x 240 235 0.15 0.087 3C x 300 280 0.12 0.086 3C x 400 290 0.09 0.086

S.No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Reference: Grid india power cable

Derating Factors: Variation in ambient temp. (50degC) 0.8 Cable laid in air touching each other 0.75 Net derating factor 0.600

Page 3 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

Cable Current rating

Derated current carrying capacity of cables

R ohm/km

X ohm/km

Z ohm/km

0.6

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

1

0.25

0.8

0.6

2.78

7.643

0.78

0.63

0.63

0.46

1

3C x 2.5

24

14.4

9.48

0.0985

7.46

1436.90

2

0.37

0.72

0.69

4.11

6.894

0.78

0.63

0.65

0.68

1

3C x 2.5

24

14.4

9.48

0.0985

7.46

1076.44

995.24

3

0.37

0.72

0.69

4.11

4.312

0.78

0.63

0.65

0.68

1

3C x 4

36

21.6

5.9

0.0927

4.66

1720.92

1592.39

4

0.55

0.7

0.71

5.88

6.706

0.81

0.59

0.72

0.98

1

3C x 2.5

24

14.4

9.48

0.0985

7.74

773.05

670.06

5

0.55

0.7

0.71

5.88

4.196

0.81

0.59

0.72

0.98

1

3C x 4

36

21.6

5.9

0.0927

4.83

1235.52

1072.55

7

0.75

0.65

0.76

8.12

6.237

0.8

0.60

0.74

1.35

1

3C x 2.5

24

14.4

9.48

0.0985

7.64

602.01

491.25

8

0.75

0.65

0.76

8.12

3.905

0.8

0.60

0.74

1.35

1

3C x 4

36

21.6

5.9

0.0927

4.78

961.39

786.22

9

0.75

0.65

0.76

8.12

2.628

0.8

0.60

0.74

1.35

1

3C x 6

47

28.2

3.94

0.0884

3.21

1428.62

1171.49

10

1.1

0.63

0.78

11.91

6.049

0.8

0.60

0.76

1.98

1

3C x 2.5

24

14.4

9.48

0.0985

7.64

423.19

334.94

11

1.1

0.63

0.78

11.91

3.789

0.8

0.60

0.76

1.98

1

3C x 4

36

21.6

5.9

0.0927

4.78

675.59

536.06

12

1.1

0.63

0.78

11.91

2.551

0.8

0.60

0.76

1.98

1

3C x 6

47

28.2

3.94

0.0884

3.21

1003.47

798.74

13

1.1

0.63

0.78

11.91

2.409

0.8

0.60

0.76

1.98

1

3C x 10

39

23.4

3.7

0.1

3.02

1062.68

847.68

14

1.5

0.53

0.85

16.04

5.108

0.81

0.59

0.78

2.67

1

3C x 2.5

24

14.4

9.48

0.0985

7.74

372.11

245.69

15

1.5

0.53

0.85

16.04

3.206

0.81

0.59

0.78

2.67

1

3C x 4

36

21.6

5.9

0.0927

4.83

592.93

393.27

16

1.5

0.53

0.85

16.04

2.163

0.81

0.59

0.78

2.67

1

3C x 6

47

28.2

3.94

0.0884

3.24

878.64

586.08

17

1.5

0.53

0.85

16.04

2.046

0.81

0.59

0.78

2.67

1

3C x 10

39

23.4

3.7

0.1

3.06

929.03

622.06

17a

1.5

0.53

0.85

16.04

2.046

0.81

0.59

0.78

2.67

1

3C x 16

50

30

2.29

0.097

1.91

928.92

995.37

18

2.2

0.49

0.87

22.15

4.731

0.86

0.51

0.80

3.69

1

3C x 2.5

24

14.4

9.48

0.0985

8.20

290.85

167.74

19

2.2

0.49

0.87

22.15

2.972

0.86

0.51

0.80

3.69

1

3C x 4

36

21.6

5.9

0.0927

5.12

463.04

268.68

20

2.2

0.49

0.87

22.15

2.008

0.86

0.51

0.80

3.69

1

3C x 6

47

28.2

3.94

0.0884

3.43

685.43

400.76

21

2.2

0.49

0.87

22.15

1.900

0.86

0.51

0.80

3.69

1

3C x 10

39

23.4

3.7

0.1

3.23

724.21

425.61

22

2.2

0.49

0.87

22.15

1.206

0.86

0.51

0.80

3.69

1

3C x 16

50

30

2.29

0.097

2.02

950.42

681.56

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

1472.95

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 4 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

Cable Current rating

Derated current carrying capacity of cables

R ohm/km

X ohm/km

Z ohm/km

0.6

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

23

3

0.45

0.89

30.21

4.354

0.86

0.51

0.82

5.04

1

3C x 2.5

24

14.4

9.48

0.0985

8.20

231.77

123.01

24

3

0.45

0.89

30.21

2.738

0.86

0.51

0.82

5.04

1

3C x 4

36

21.6

5.9

0.0927

5.12

368.61

197.03

25

3

0.45

0.89

30.21

1.852

0.86

0.51

0.82

5.04

1

3C x 6

47

28.2

3.94

0.0884

3.43

544.95

293.89

26

3

0.45

0.89

30.21

1.754

0.86

0.51

0.82

5.04

1

3C x 10

39

23.4

3.7

0.1

3.23

575.29

312.11

27

3

0.45

0.89

30.21

1.117

0.86

0.51

0.82

5.04

1

3C x 16

50

30

2.29

0.097

2.02

903.51

499.81

28

3

0.45

0.89

30.21

0.734

0.86

0.51

0.82

5.04

1

3C x 25

63

37.8

1.44

0.097

1.29

1374.13

783.50

29

4

0.38

0.92

40.28

3.693

0.86

0.51

0.84

6.71

1

3C x 2.5

24

14.4

9.48

0.0985

8.20

204.93

92.26

30

4

0.38

0.92

40.28

2.327

0.86

0.51

0.84

6.71

1

3C x 4

36

21.6

5.9

0.0927

5.12

325.19

147.77

31

4

0.38

0.92

40.28

1.579

0.86

0.51

0.84

6.71

1

3C x 6

47

28.2

3.94

0.0884

3.43

479.43

220.42

32

4

0.38

0.92

40.28

1.498

0.86

0.51

0.84

6.71

1

3C x 10

39

23.4

3.7

0.1

3.23

505.21

234.08

33

4

0.38

0.92

40.28

0.959

0.86

0.51

0.84

6.71

1

3C x 16

50

30

2.29

0.097

2.02

788.79

374.86

34

4

0.38

0.92

40.28

0.636

0.86

0.51

0.84

6.71

1

3C x 25

63

37.8

1.44

0.097

1.29

1189.11

587.62

35

5.5

0.32

0.95

56.04

3.127

0.85

0.53

0.85

9.34

1

3C x 2.5

24

14.4

9.48

0.0985

8.11

173.96

67.08

36

5.5

0.32

0.95

56.04

1.976

0.85

0.53

0.85

9.34

1

3C x 4

36

21.6

5.9

0.0927

5.06

275.29

107.43

37

5.5

0.32

0.95

56.04

1.345

0.85

0.53

0.85

9.34

1

3C x 6

47

28.2

3.94

0.0884

3.40

404.53

160.21

38

5.5

0.32

0.95

56.04

1.279

0.85

0.53

0.85

9.34

1

3C x 10

39

23.4

3.7

0.1

3.20

425.33

170.12

39

5.5

0.32

0.95

56.04

0.825

0.85

0.53

0.85

9.34

1

3C x 16

50

30

2.29

0.097

2.00

659.43

272.33

40

5.5

0.32

0.95

56.04

0.553

0.85

0.53

0.85

9.34

1

3C x 25

63

37.8

1.44

0.097

1.28

983.81

426.63

41

5.5

0.32

0.95

56.04

0.425

0.85

0.53

0.85

9.34

1

3C x 35

77

46.2

1.04

0.097

0.94

1280.15

581.76

43

7.5

0.31

0.95

75.00

1.917

0.87

0.49

0.87

12.50

1

3C x 4

36

21.6

5.9

0.0927

5.18

212.03

78.49

44

7.5

0.31

0.95

75.00

1.305

0.87

0.49

0.87

12.50

1

3C x 6

47

28.2

3.94

0.0884

3.47

311.38

117.09

45

7.5

0.31

0.95

75.00

1.242

0.87

0.49

0.87

12.50

1

3C x 10

39

23.4

3.7

0.1

3.27

327.27

124.37

46

7.5

0.31

0.95

75.00

0.802

0.87

0.49

0.87

12.50

1

3C x 16

50

30

2.29

0.097

2.04

506.78

199.24

47

7.5

0.31

0.95

75.00

0.539

0.87

0.49

0.87

12.50

1

3C x 25

63

37.8

1.44

0.097

1.30

754.74

312.52

48

7.5

0.31

0.95

75.00

0.415

0.87

0.49

0.87

12.50

1

3C x 35

77

46.2

1.04

0.097

0.95

980.50

426.68

49

7.5

0.31

0.95

75.00

0.328

0.87

0.49

0.87

12.50

1

3C x 50

95

57

0.77

0.094

0.72

1239.23

567.49

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 5 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

0.6

Cable Current rating

Derated current carrying capacity of cables

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

R ohm/km

X ohm/km

Z ohm/km

3C x 4

36

21.6

5.9

0.0927

4.95

130.50

55.20 82.29

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

50

11

0.34

0.94

111.60

2.093

0.83

0.56

0.90

18.60

1

51

11

0.34

0.94

111.60

1.423

0.83

0.56

0.90

18.60

1

3C x 6

47

28.2

3.94

0.0884

3.32

192.00

52

11

0.34

0.94

111.60

1.352

0.83

0.56

0.90

18.60

1

3C x 10

39

23.4

3.7

0.1

3.13

202.04

87.36

53

11

0.34

0.94

111.60

0.870

0.83

0.56

0.90

18.60

1

3C x 16

50

30

2.29

0.097

1.95

314.06

139.74

54

11

0.34

0.94

111.60

0.581

0.83

0.56

0.90

18.60

1

3C x 25

63

37.8

1.44

0.097

1.25

470.34

218.65

55

11

0.34

0.94

111.60

0.445

0.83

0.56

0.90

18.60

1

3C x 35

77

46.2

1.04

0.097

0.92

614.15

297.79

56

11

0.34

0.94

111.60

0.350

0.83

0.56

0.90

18.60

1

3C x 50

95

57

0.77

0.094

0.69

780.11

395.01

57

11

0.34

0.94

111.60

0.265

0.83

0.56

0.90

18.60

1

3C x 70

115

69

0.53

0.09

0.49

1031.58

557.36

58

11

0.34

0.94

111.60

0.214

0.83

0.56

0.90

18.60

1

3C x 95

140

84

0.38

0.09

0.37

1277.66

747.17

59

15

0.32

0.95

153.00

1.279

0.84

0.54

0.91

25.50

1

3C x 10

39

23.4

3.7

0.1

3.16

155.78

63.01

60

15

0.32

0.95

153.00

0.825

0.84

0.54

0.91

25.50

1

3C x 16

50

30

2.29

0.097

1.98

241.53

100.82

61

15

0.32

0.95

153.00

0.553

0.84

0.54

0.91

25.50

1

3C x 25

63

37.8

1.44

0.097

1.26

360.34

157.85

62

15

0.32

0.95

153.00

0.425

0.84

0.54

0.91

25.50

1

3C x 35

77

46.2

1.04

0.097

0.93

468.87

215.12

63

15

0.32

0.95

153.00

0.336

0.84

0.54

0.91

25.50

1

3C x 50

95

57

0.77

0.094

0.70

593.53

285.54

64

15

0.32

0.95

153.00

0.255

0.84

0.54

0.91

25.50

1

3C x 70

115

69

0.53

0.09

0.49

781.06

403.31

65

15

0.32

0.95

153.00

0.207

0.84

0.54

0.91

25.50

1

3C x 95

140

84

0.38

0.09

0.37

962.09

541.39

66

18.5

0.37

0.93

186.00

1.462

0.85

0.53

0.92

31

1

3C x 10

39

23.4

3.7

0.1

3.20

112.11

51.26

67

18.5

0.37

0.93

186.00

0.938

0.85

0.53

0.92

31

1

3C x 16

50

30

2.29

0.097

2.00

174.82

82.05

68

18.5

0.37

0.93

186.00

0.623

0.85

0.53

0.92

31

1

3C x 25

63

37.8

1.44

0.097

1.28

263.07

128.54

69

18.5

0.37

0.93

186.00

0.475

0.85

0.53

0.92

31

1

3C x 35

77

46.2

1.04

0.097

0.94

345.04

175.27

70

18.5

0.37

0.93

186.00

0.372

0.85

0.53

0.92

31

1

3C x 50

95

57

0.77

0.094

0.70

440.21

232.80

71

18.5

0.37

0.93

186.00

0.280

0.85

0.53

0.92

31

1

3C x 70

115

69

0.53

0.09

0.50

585.77

329.17

72

18.5

0.37

0.93

186.00

0.224

0.85

0.53

0.92

31

1

3C x 95

140

84

0.38

0.09

0.37

730.71

442.48

73

18.5

0.37

0.93

186.00

0.192

0.85

0.53

0.92

31

1

3C x 120

155

93

0.3

0.087

0.30

854.03

544.82

74

22

0.35

0.94

224.40

0.893

0.85

0.53

0.92

37.40

1

3C x 16

50

30

2.29

0.097

2.00

152.18

68.01

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 6 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

Cable Current rating

Derated current carrying capacity of cables

R ohm/km

X ohm/km

Z ohm/km

0.6

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

75

22

0.35

0.94

224.40

0.595

0.85

0.53

0.92

37.40

1

3C x 25

63

37.8

1.44

0.097

1.28

228.25

106.54

76

22

0.35

0.94

224.40

0.455

0.85

0.53

0.92

37.40

1

3C x 35

77

46.2

1.04

0.097

0.94

298.46

145.28

77

22

0.35

0.94

224.40

0.358

0.85

0.53

0.92

37.40

1

3C x 50

95

57

0.77

0.094

0.70

379.62

192.97

78

22

0.35

0.94

224.40

0.270

0.85

0.53

0.92

37.40

1

3C x 70

115

69

0.53

0.09

0.50

502.97

272.84

79

22

0.35

0.94

224.40

0.218

0.85

0.53

0.92

37.40

1

3C x 95

140

84

0.38

0.09

0.37

624.32

366.76

80

22

0.35

0.94

224.40

0.187

0.85

0.53

0.92

37.40

1

3C x 120

155

93

0.3

0.087

0.30

727.33

451.59

81

22

0.35

0.94

224.40

0.169

0.85

0.53

0.92

37.40

1

3C x 150

175

105

0.25

0.087

0.26

802.52

525.88

82

22

0.35

0.94

224.40

0.152

0.85

0.53

0.92

37.40

1

3C x 185

200

120

0.2

0.087

0.22

895.05

629.44

83

30

0.34

0.94

288.00

0.581

0.83

0.56

0.93

48

1

3C x 25

63

37.8

1.44

0.097

1.25

182.26

84.73

84

30

0.34

0.94

288.00

0.445

0.83

0.56

0.93

48

1

3C x 35

77

46.2

1.04

0.097

0.92

237.98

115.39

85

30

0.34

0.94

288.00

0.350

0.83

0.56

0.93

48

1

3C x 50

95

57

0.77

0.094

0.69

302.29

153.07

86

30

0.34

0.94

288.00

0.265

0.83

0.56

0.93

48

1

3C x 70

115

69

0.53

0.09

0.49

399.74

215.98

87

30

0.34

0.94

288.00

0.214

0.83

0.56

0.93

48

1

3C x 95

140

84

0.38

0.09

0.37

495.09

289.53

88

30

0.34

0.94

288.00

0.184

0.83

0.56

0.93

48

1

3C x 120

155

93

0.3

0.087

0.30

575.96

355.77

89

30

0.34

0.94

288.00

0.167

0.83

0.56

0.93

48

1

3C x 150

175

105

0.25

0.087

0.26

634.67

413.44

90

30

0.34

0.94

288.00

0.150

0.83

0.56

0.93

48

1

3C x 185

200

120

0.2

0.087

0.21

706.71

493.42

91

30

0.34

0.94

288.00

0.133

0.83

0.56

0.93

48

1

3C x 240

235

141

0.15

0.087

0.17

797.19

611.76

92

30

0.34

0.94

288.00

0.122

0.83

0.56

0.93

48

1

3C x 300

280

168

0.12

0.086

0.15

870.20

717.30

93

37

0.29

0.96

360.00

0.395

0.84

0.54

0.93

60

1

3C x 35

77

46.2

1.04

0.097

0.93

214.53

91.42

94

37

0.29

0.96

360.00

0.314

0.84

0.54

0.93

60

1

3C x 50

95

57

0.77

0.094

0.70

270.08

121.35

95

37

0.29

0.96

360.00

0.240

0.84

0.54

0.93

60

1

3C x 70

115

69

0.53

0.09

0.49

352.69

171.41

96

37

0.29

0.96

360.00

0.197

0.84

0.54

0.93

60

1

3C x 95

140

84

0.38

0.09

0.37

430.72

230.09

97

37

0.29

0.96

360.00

0.171

0.84

0.54

0.93

60

1

3C x 120

155

93

0.3

0.087

0.30

496.60

283.02

98

37

0.29

0.96

360.00

0.156

0.84

0.54

0.93

60

1

3C x 150

175

105

0.25

0.087

0.26

542.75

329.23

99

37

0.29

0.96

360.00

0.142

0.84

0.54

0.93

60

1

3C x 185

200

120

0.2

0.087

0.22

598.36

393.49

100

37

0.29

0.96

360.00

0.127

0.84

0.54

0.93

60

1

3C x 240

235

141

0.15

0.087

0.17

666.67

488.90

101

37

0.29

0.96

360.00

0.117

0.84

0.54

0.93

60

1

3C x 300

280

168

0.12

0.086

0.15

721.55

574.25

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 7 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

Cable Current rating

Derated current carrying capacity of cables

R ohm/km

X ohm/km

Z ohm/km

0.6

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

102

45

0.29

0.96

439.80

0.314

0.85

0.53

0.94

73.30

1

3C x 50

95

57

0.77

0.094

0.70

221.07

98.46

103

45

0.29

0.96

439.80

0.240

0.85

0.53

0.94

73.30

1

3C x 70

115

69

0.53

0.09

0.50

288.69

139.21

104

45

0.29

0.96

439.80

0.197

0.85

0.53

0.94

73.30

1

3C x 95

140

84

0.38

0.09

0.37

352.57

187.13

105

45

0.29

0.96

439.80

0.171

0.85

0.53

0.94

73.30

1

3C x 120

155

93

0.3

0.087

0.30

406.50

230.41

106

45

0.29

0.96

439.80

0.156

0.85

0.53

0.94

73.30

1

3C x 150

175

105

0.25

0.087

0.26

444.27

268.32

107

45

0.29

0.96

439.80

0.142

0.85

0.53

0.94

73.30

1

3C x 185

200

120

0.2

0.087

0.22

489.79

321.16

108

45

0.29

0.96

439.80

0.127

0.85

0.53

0.94

73.30

1

3C x 240

235

141

0.15

0.087

0.17

545.71

399.91

109

45

0.29

0.96

439.80

0.117

0.85

0.53

0.94

73.30

1

3C x 300

280

168

0.12

0.086

0.15

590.62

470.56

110

45

0.29

0.96

439.80

0.078

0.85

0.53

0.94

73.30

2

3C x 150

175

105

0.25

0.087

0.26

1777.09

536.64

111

45

0.29

0.96

439.80

0.071

0.85

0.53

0.94

73.30

2

3C x 185

200

120

0.2

0.087

0.22

1959.17

642.32

112

55

0.31

0.95

553.87

0.250

0.86

0.51

0.94

92.31

1

3C x 70

115

69

0.53

0.09

0.50

220.34

109.70

113

55

0.31

0.95

553.87

0.203

0.86

0.51

0.94

92.31

1

3C x 95

140

84

0.38

0.09

0.37

270.73

147.67

114

55

0.31

0.95

553.87

0.176

0.86

0.51

0.94

92.31

1

3C x 120

155

93

0.3

0.087

0.30

313.35

182.01

115

55

0.31

0.95

553.87

0.160

0.86

0.51

0.94

92.31

1

3C x 150

175

105

0.25

0.087

0.26

343.68

212.19

116

55

0.31

0.95

553.87

0.145

0.86

0.51

0.94

92.31

1

3C x 185

200

120

0.2

0.087

0.22

380.50

254.35

117

55

0.31

0.95

553.87

0.129

0.86

0.51

0.94

92.31

1

3C x 240

235

141

0.15

0.087

0.17

426.17

317.42

118

55

0.31

0.95

553.87

0.119

0.86

0.51

0.94

92.31

1

3C x 300

280

168

0.12

0.086

0.15

462.91

374.20

119

55

0.31

0.95

553.87

0.080

0.86

0.51

0.94

92.31

2

3C x 150

175

105

0.25

0.087

0.26

1374.71

424.37

120

55

0.31

0.95

553.87

0.072

0.86

0.51

0.94

92.31

2

3C x 185

200

120

0.2

0.087

0.22

1522.02

508.70

121

55

0.31

0.95

553.87

0.065

0.86

0.51

0.94

92.31

2

3C x 240

235

141

0.15

0.087

0.17

1704.68

634.85

122

75

0.37

0.93

720.00

0.224

0.87

0.49

0.95

120

1

3C x 95

140

84

0.38

0.09

0.37

188.77

112.91

123

75

0.37

0.93

720.00

0.192

0.87

0.49

0.95

120

1

3C x 120

155

93

0.3

0.087

0.30

220.63

139.33

124

75

0.37

0.93

720.00

0.173

0.87

0.49

0.95

120

1

3C x 150

175

105

0.25

0.087

0.26

244.16

162.60

125

75

0.37

0.93

720.00

0.155

0.87

0.49

0.95

120

1

3C x 185

200

120

0.2

0.087

0.22

273.32

195.21

126

75

0.37

0.93

720.00

0.136

0.87

0.49

0.95

120

1

3C x 240

235

141

0.15

0.087

0.17

310.39

244.18

127

75

0.37

0.93

720.00

0.124

0.87

0.49

0.95

120

1

3C x 300

280

168

0.12

0.086

0.15

340.41

288.42

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 8 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

Cable Current rating

Derated current carrying capacity of cables

R ohm/km

X ohm/km

Z ohm/km

0.6

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

128

75

0.37

0.93

720.00

0.087

0.87

0.49

0.95

120

2

3C x 150

175

105

0.25

0.087

0.26

976.65

325.20

129

75

0.37

0.93

720.00

0.077

0.87

0.49

0.95

120

2

3C x 185

200

120

0.2

0.087

0.22

1093.29

390.42

130

75

0.37

0.93

720.00

0.068

0.87

0.49

0.95

120

2

3C x 240

235

141

0.15

0.087

0.17

1241.56

488.37

131

75

0.37

0.93

720.00

0.062

0.87

0.49

0.95

120

2

3C x 300

280

168

0.12

0.086

0.15

1361.64

576.83

132

75

0.37

0.93

720.00

0.052

0.87

0.49

0.95

120

3

3C x 185

200

120

0.2

0.087

0.22

2459.90

585.63

133

90

0.37

0.93

885.73

0.192

0.88

0.47

0.95

147.62

1

3C x 120

155

93

0.3

0.087

0.31

179.34

112.73

134

90

0.37

0.93

885.73

0.173

0.88

0.47

0.95

147.62

1

3C x 150

175

105

0.25

0.087

0.26

198.48

131.71

135

90

0.37

0.93

885.73

0.155

0.88

0.47

0.95

147.62

1

3C x 185

200

120

0.2

0.087

0.22

222.18

158.37

136

90

0.37

0.93

885.73

0.136

0.88

0.47

0.95

147.62

1

3C x 240

235

141

0.15

0.087

0.17

252.31

198.58

137

90

0.37

0.93

885.73

0.124

0.88

0.47

0.95

147.62

1

3C x 300

280

168

0.12

0.086

0.15

276.71

235.02

138

90

0.37

0.93

885.73

0.087

0.88

0.47

0.95

147.62

2

3C x 150

200

120

0.25

0.087

0.26

793.91

263.41

139

90

0.37

0.93

885.73

0.077

0.88

0.47

0.95

147.62

2

3C x 185

235

141

0.2

0.087

0.22

888.72

316.74

140

90

0.37

0.93

885.73

0.068

0.88

0.47

0.95

147.62

2

3C x 240

280

168

0.15

0.087

0.17

1009.25

397.15

141

90

0.37

0.93

885.73

0.062

0.88

0.47

0.95

147.62

2

3C x 300

280

168

0.12

0.086

0.15

1106.86

470.03

142

90

0.37

0.93

885.73

0.052

0.88

0.47

0.95

147.62

3

3C x 185

200

120

0.2

0.087

0.22

1999.61

475.12

143

90

0.37

0.93

885.73

0.045

0.88

0.47

0.95

147.62

3

3C x 240

235

141

0.15

0.087

0.17

2270.80

595.73

144

110

0.19

0.98

1082.56

0.123

0.88

0.47

0.96

180.43

1

3C x 185

200

120

0.2

0.087

0.22

228.46

129.58

145

110

0.19

0.98

1082.56

0.114

0.88

0.47

0.96

180.43

1

3C x 240

235

141

0.15

0.087

0.17

247.54

162.47

146

110

0.19

0.98

1082.56

0.107

0.88

0.47

0.96

180.43

1

3C x 300

280

168

0.12

0.086

0.15

262.98

192.29

147

110

0.19

0.98

1082.56

0.066

0.88

0.47

0.96

180.43

2

3C x 150

175

105

0.25

0.087

0.26

848.45

215.52

148

110

0.19

0.98

1082.56

0.062

0.88

0.47

0.96

180.43

2

3C x 185

200

120

0.2

0.087

0.22

913.84

259.15

149

110

0.19

0.98

1082.56

0.057

0.88

0.47

0.96

180.43

2

3C x 240

235

141

0.15

0.087

0.17

990.15

324.94

150

110

0.19

0.98

1082.56

0.054

0.88

0.47

0.96

180.43

2

3C x 300

280

168

0.12

0.086

0.15

1051.92

384.57

151

110

0.19

0.98

1082.56

0.041

0.88

0.47

0.96

180.43

3

3C x 185

200

120

0.2

0.087

0.22

2056.14

388.73

152

110

0.19

0.98

1082.56

0.038

0.88

0.47

0.96

180.43

3

3C x 240

235

141

0.15

0.087

0.17

2227.85

487.41

153

110

0.19

0.98

1082.56

0.036

0.88

0.47

0.96

180.43

3

3C x 300

280

168

0.12

0.086

0.15

2366.83

576.86

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 9 of 12

JK cement Aluminium cable sizing

Ambient Temperature

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS 50 deg .C

Voltage Drop Restricted to 2.0%

Derating Factor

Cable Current rating

Derated current carrying capacity of cables

R ohm/km

X ohm/km

Z ohm/km

0.6

Max. Length Max. Length upto upto which which cable can be cable can be used during Starting used 2% (12% Voltage drop) voltage drop

SL.NO

Motor KW

Starting P.F COS f

Starting SIN f

Starting Current

Starting Z

Operating P.F COS f

154

132

0.2

0.98

1299.08

0.115

0.88

0.47

0.96

216.51

1

3C x 240

235

141

0.15

0.087

0.17

203.60

135.39

155

132

0.2

0.98

1299.08

0.108

0.88

0.47

0.96

216.51

1

3C x 300

280

168

0.12

0.086

0.15

216.72

160.24

156

132

0.2

0.98

1299.08

0.094

0.88

0.47

0.96

216.51

2

3C x 150

175

105

0.159

0.159

0.22

500.30

217.85

157

132

0.2

0.98

1299.08

0.063

0.88

0.47

0.96

216.51

2

3C x 185

200

120

0.2

0.087

0.22

749.37

215.96

158

132

0.2

0.98

1299.08

0.058

0.88

0.47

0.96

216.51

2

3C x 240

235

141

0.15

0.087

0.17

814.39

270.79

159

132

0.2

0.98

1299.08

0.054

0.88

0.47

0.96

216.51

2

3C x 300

280

168

0.12

0.086

0.15

866.89

320.48

160

132

0.2

0.98

1299.08

0.042

0.88

0.47

0.96

216.51

3

3C x 185

200

120

0.2

0.087

0.22

1686.09

323.94

161

132

0.2

0.98

1299.08

0.038

0.88

0.47

0.96

216.51

3

3C x 240

235

141

0.15

0.087

0.17

1832.38

406.18

162

132

0.2

0.98

1299.08

0.036

0.88

0.47

0.96

216.51

3

3C x 300

280

168

0.12

0.086

0.15

1950.50

480.72

163

132

0.2

0.98

1299.08

0.029

0.88

0.47

0.96

216.51

4

3C x 240

235

141

0.15

0.087

0.17

3257.56

541.57

164

160

0.2

0.98

1592.74

0.108

0.87

0.49

0.96

265.46

1

3C x 300

280

168

0.12

0.086

0.15

176.76

130.38

165

160

0.2

0.98

1592.74

0.068

0.87

0.49

0.96

265.46

2

3C x 150

175

105

0.25

0.087

0.26

566.02

147.01

166

160

0.2

0.98

1592.74

0.063

0.87

0.49

0.96

265.46

2

3C x 185

200

120

0.2

0.087

0.22

611.21

176.49

167

160

0.2

0.98

1592.74

0.058

0.87

0.49

0.96

265.46

2

3C x 240

235

141

0.15

0.087

0.17

664.24

220.77

168

160

0.2

0.98

1592.74

0.054

0.87

0.49

0.96

265.46

2

3C x 300

280

168

0.12

0.086

0.15

707.06

260.76

169

160

0.2

0.98

1592.74

0.042

0.87

0.49

0.96

265.46

3

3C x 185

200

120

0.2

0.087

0.22

1375.22

264.74

170

160

0.2

0.98

1592.74

0.038

0.87

0.49

0.96

265.46

3

3C x 240

235

141

0.15

0.087

0.17

1494.53

331.15

171

160

0.2

0.98

1592.74

0.036

0.87

0.49

0.96

265.46

3

3C x 300

280

168

0.12

0.086

0.15

1590.88

391.14

172

160

0.2

0.98

1592.74

0.029

0.87

0.49

0.96

265.46

4

3C x 240

235

141

0.15

0.087

0.17

2656.95

441.53

173

200

0.2

0.98

1860.00

0.068

0.87

0.49

0.96

310

2

3C x 150

175

105

0.25

0.087

0.26

484.69

125.88

174

200

0.2

0.98

1860.00

0.063

0.87

0.49

0.96

310

2

3C x 185

200

120

0.2

0.087

0.22

523.38

151.13

175

200

0.2

0.98

1860.00

0.058

0.87

0.49

0.96

310

2

3C x 240

235

141

0.15

0.087

0.17

568.79

189.05

176

200

0.2

0.98

1860.00

0.054

0.87

0.49

0.96

310

2

3C x 300

280

168

0.12

0.086

0.15

605.46

223.29

177

200

0.2

0.98

1860.00

0.042

0.87

0.49

0.96

310

3

3C x 185

200

120

0.2

0.087

0.22

1177.61

226.70

178

200

0.2

0.98

1860.00

0.038

0.87

0.49

0.96

310

3

3C x 240

235

141

0.15

0.087

0.17

1279.78

283.57

179

200

0.2

0.98

1860.00

0.036

0.87

0.49

0.96

310

3

3C x 300

280

168

0.12

0.086

0.15

1362.28

334.94

180

200

0.2

0.98

1860.00

0.029

0.87

0.49

0.96

310

4

3C x 240

235

141

0.15

0.087

0.17

2275.17

378.09

181

200

0.2

0.98

1860.00

0.027

0.87

0.49

0.96

310

4

3C x 300

280

168

0.12

0.086

0.15

2421.84

446.58

182

200

0.2

0.98

1860.00

0.022

0.87

0.49

0.96

310

5

3C x 300

280

168

0.12

0.086

0.15

3784.12

558.23

183

250

0.16

0.99

2488.65

0.055

0.87

0.49

0.96

414.78

2

3C x 240

235

141

0.15

0.087

0.17

444.91

141.29

184

250

0.16

0.99

2488.65

0.052

0.87

0.49

0.96

414.78

2

3C x 300

280

168

0.12

0.086

0.15

469.60

166.89

185

250

0.16

0.99

2488.65

0.039

0.87

0.49

0.96

414.78

3

3C x 185

200

120

0.2

0.087

0.22

933.26

169.43

186

250

0.16

0.99

2488.65

0.037

0.87

0.49

0.96

414.78

3

3C x 240

235

141

0.15

0.087

0.17

1001.06

211.94

187

250

0.16

0.99

2488.65

0.035

0.87

0.49

0.96

414.78

3

3C x 300

280

168

0.12

0.086

0.15

1056.61

250.33

188

250

0.16

0.99

2488.65

0.028

0.87

0.49

0.96

414.78

4

3C x 240

235

141

0.15

0.087

0.17

1779.66

282.58

189

250

0.16

0.99

2488.65

0.026

0.87

0.49

0.96

414.78

4

3C x 300

280

168

0.12

0.086

0.15

1878.41

333.77

190

250

0.16

0.99

2488.65

0.022

0.87

0.49

0.96

414.78

5

3C x 240

235

141

0.15

0.087

0.17

2780.71

353.23

191

250

0.16

0.99

2488.65

0.021

0.87

0.49

0.96

414.78

5

3C x 300

280

168

0.12

0.086

0.15

2935.02

417.21

SIN f

Efficiency

Full Load Current (A)

No.of Runs Cable selected selected

\\vboxsrv\conversion_tmp\scratch_5\158514011.xls.ms_office] Page 10 of 12

CITY CEMENT ROLLER PRESS-1

LT POWER CABLE SIZING FOR VARIOUS MCC MOTOR FEEDERS (STEADY STATE VOLTAGE DROP LIMITED TO 3%) SUMMARY TABLE FOR DIFFERENT ROUTE LENGTH SL.NO

KW

1

0.25 0.37 0.55 0.75 1.1 1.5 2.2 3 4 5.5 7.5 11 15 18.5 22 30 37 45 55 75 90 110 132 160 200 250

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Note:

CABLE LENGTH IN METERS 50 4C x 2.5

100 4C x 2.5

150 4C x 2.5

200 4C x 2.5

250 4C x 2.5

300 4C x 2.5

350 4C x 2.5

400 4C x 2.5

450 4C x 2.5

500 4C x 2.5

550 4C x 2.5

600 4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 4

4C x 4

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 4

4C x 4

4C x 4

4C x 4

4C x 6

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 4

4C x 4

4C x 4

4C x 6

4C x 6

4C x 6

4C x 2.5

4C x 2.5

4C x 2.5

4C x 2.5

4C x 4

4C x 4

4C x 4

4C x 6

4C x 6

4C x 6

4C x 6

4C x 10

4C x 2.5

4C x 2.5

4C x 2.5

4C x 4

4C x 4

4C x 6

4C x 6

4C x 6

4C x 10

4C x 10

4C x 10

4C x 10

4C x 2.5

4C x 2.5

4C x 4

4C x 4

4C x 6

4C x 6

4C x 10

4C x 10

4C x 10

4C x 10

4C x 10

4C x 16

4C x 2.5

4C x 2.5

4C x 4

4C x 6

4C x 10

4C x 10

4C x 10

4C x 10

4C x 16

4C x 16

4C x 16

4C x 16

4C x 4

4C x 4

4C x 6

4C x 10

4C x 10

4C x 16

4C x 16

4C x 16

4C x 16

3.5C x 25

3.5C x 25

3.5C x 25

4C x 4

4C x 6

4C x 10

4C x 10

4C x 16

4C x 16

3.5C x 25

3.5C x 25

3.5C x 25

3.5C x 25

3.5C x 35

3.5C x 35

4C x 10

4C x 10

4C x 16

4C x 16

3.5C x 25

3.5C x 25

3.5C x 25

3.5C x 35

3.5C x 35

3.5C x 50

3.5C x 50

3.5C x 50

4C x 10

4C x 10

4C x 16

3.5C x 25

3.5C x 25

3.5C x 35

3.5C x 35

3.5C x 35

3.5C x 50

3.5C x 50

3.5C x 70

3.5C x 70

4C x 16

4C x 16

4C x 16

3.5C x 25

3.5C x 35

3.5C x 35

3.5C x 50

3.5C x 50

3.5C x 70

3.5C x 70

3.5C x 70

3.5C x 95

3.5C x 25

3.5C x 25

3.5C x 25

3.5C x 35

3.5C x 35

3.5C x 50

3.5C x 70

3.5C x 70

3.5C x 70

3.5C x 95

3.5C x 95

3.5C x 120

3.5C x 35

3.5C x 35

3.5C x 35

3.5C x 35

3.5C x 50

3.5C x 70

3.5C x 70

3.5C x 95

3.5C x 95

3.5C x 120

3.5C x 120

3.5C x 150

3.5C x 50

3.5C x 50

3.5C x 50

3.5C x 50

3.5C x 70

3.5C x 70

3.5C x 95

3.5C x 95

3.5C x 120

3.5C x 150

3.5C x 240

3.5C x 300

3.5C x 70

3.5C x 70

3.5C x 70

3.5C x 70

3.5C x 95

3.5C x 95

3.5C x 120

3.5C x 185

3.5C x 240

3.5C x 300

2#3.5C x 150

2#3.5C x 150

3.5C x 95

3.5C x 95

3.5C x 95

3.5C x 95

3.5C x 120

3.5C x 185

3.5C x 300

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

3.5C x 120

3.5C x 120

3.5C x 120

3.5C x 120

3.5C x 185

3.5C x 300

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 185

3.5C x 185

3.5C x 185

3.5C x 185

3.5C x 185

3.5C x 240

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 185

2#3.5C x 185

2#3.5C x 240

3.5C x 240

3.5C x 240

3.5C x 240

3.5C x 240

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 185

2#3.5C x 240

2#3.5C x 240

2#3.5C x 300

3.5C x 300

3.5C x 300

3.5C x 300

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 185

2#3.5C x 240

2#3.5C x 240

2#3.5C x 300

2#3.5C x 300

3#3.5C x 240

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 150

2#3.5C x 185

2#3.5C x 240

2#3.5C x 240

2#3.5C x 300

3#3.5C x 185

3#3.5C x 240

3#3.5C x 240

2#3.5C x 240

2#3.5C x 240

2#3.5C x 240

2#3.5C x 240

2#3.5C x 240

2#3.5C x 240

2#3.5C x 300

3#3.5C x 240

3#3.5C x 240

3#3.5C x 300

4#3.5C x 240

4#3.5C x 240

1. All the cables are aluminium conductors 2. Deration factor considered in 0.60 (0.8*0.75)

Doc.No.:3BYN4611003-SAA Rev.:-A

Page 12

Pre.by:HSY Appr.by SRR

LENGTH OF CABLE VOLTAGE

820 415

IST COS STT SIN STT

15.66 0.53 0.84

VOLTAGE DROP STARTING

LENGTH OF CABLE VOLTAGE R 3.7

IFLC COS RUNG SIN RUNG

VOLTAGE DROP RUNNING

10.9597

820 415 X 0.1

2.61 0.81 0.586

2.729296

= 1.732 x I start x length of cable x (R Cos start + x sin start)

x (R Cos start + x sin start) x 100 / (no of runs x 1000 x voltage)

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