7/18/2019 CALCUL Cadere de Tensiune

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Cadere de

tensiune Torsadat Aluminiu

Cablu de

aluminiu

Cablu de

cupru   ΔU[V] ΔU[%]

Monofazat 0.00 0.00 0.00 103.97   103.97 25.99

Trifazat   0.00 0.00   0.00 46.55   46.55 11.64

Puterea(P)= 25

cos(φ)=   0.95

Tensiune= 400Putere

reactiva(Q)=   26.3157895

Torsadat 25 35 50 70 Aluminiu 35 50 70 95

rd mohm 1.18 0.833 0.579 0.437 rd 0.833 0.595 0.437 0.303

xd mohm 0.097 0.089 0.086 0.084 xd 0.33 0.32 0.31 0.23

Cablu de

aluminiu   6 10 16 25 35 50 70 95 120 150 185

rd 5.01 3 1.91 1.2 0.868 0.641 0.443 0.32 0.253 0.206 0.164xd 0.09 0.073 0.0675 0.086 0.083 0.083 0.082 0.082 0.08 0.08 0.08

Cablu de

cupru   6 10 16 25 35 50 70 95 120 150 185

rd 3.03 1.81 1.14 0.727 0.524 0.387 0.268 0.193 0.153 0.124 0.0991

xd 0.09 0.073 0.0675 0.086 0.083 0.083 0.082 0.082 0.08 0.08 0.08

Rdl Xdl Rdn

Nul AlOl-50 50 mohm mohm mohm

rd mohm 0.61 814.5 32.85 814.5

xd mohm 0.084

TOTAL

CALCULUL CADERILOR DE TENSIUNE

7/18/2019 CALCUL Cadere de Tensiune

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L Rdl Xdl Rdn Faza Nul Rdl Xdl Rdn

m mohm mohm mohm mohm mohm mohm

Torsadat 25 0   0 0 - Aluminiu m m

35   0   0 0 - 35   0 0   0 0 0

50   0   0 0 - 50   0 0   0 0 0

70   0   0 0 - 70   0 0   0 0 0

Nul AlOl-50 0 - - 0 95   0 0   0 0 0

TOTAL 0 0 0 TOTAL 0 0 0 0 0

Faza Nul Rdl Xdl Rdn Faza Nul Rdl Xdl

mohm mohm mohm mohm mohm Aluminiu m m Cupru m m

6   0 0   0 0 0 6   0 0   0 0

10   0 0   0 0 0 10   450 450   814.5 32.85

16   0 0   0 0 0 16   0 0   0 0

25   0 0   0 0 0 25   0 0   0 0

35   0 0   0 0 0 35   0 0   0 0

50   0 0   0 0 0 50   0 0   0 0

70   0 0   0 0 0 70   0 0   0 0

95   0 0   0 0 0 95   0 0   0 0

120   0 0   0 0 0 120   0 0   0 0

150   0 0   0 0 0 150   0 0   0 0

185   0 0   0 0 0 185   0 0   0 0

240   0 0   0 0 0 240   0 0   0 0

TOTAL 0 0 0 TOTAL 814.5 32.85

verificare   trifazat monofazat

Cu %   1.18 2.37 %

 Al %   1.99 3.97 %

Lungime Lungime

DU

Conductor Conductor     Lungime

Cablu trifazat

Cablu

trifazat

7/18/2019 CALCUL Cadere de Tensiune

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gamma Al   34

Cu   57

puterea W   12000

lungimea m   450

sectiunea con mm2   50

7/18/2019 CALCUL Cadere de Tensiune

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240

0.125

0.079

2400.0754

0.079

7/18/2019 CALCUL Cadere de Tensiune

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Rdn

mohm

0

814.5

0

0

0

0

0

0

0

0

0

0

814.5