CALCUL Cadere de Tensiune
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Cadere de te ns iune Tors ad at Alumi ni u 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= 400 Putere 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 0.164 xd 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
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calculul caderii de tensiune intr-o retea JT
Transcript of CALCUL Cadere de Tensiune
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
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Rdn
mohm
0
814.5
0
0
0
0
0
0
0
0
0
0
814.5
