Calcul Mecanic Bare PE 111

8/6/2019 Calcul Mecanic Bare PE 111

1/23

Calcul mecanic al eforturilor in LEA

Destinatia

Tensiune nominala

Date scurtcircuitDate transformator - ATUS-FS

Putere transformator

Tensiune primar HT

Tensiune secundar

Tensiune tertiar

Nr. Trepte comutator ploturi

Tensiune treapta

Valoare maxima tensiune

Curenti

Tensiune sc 220/121kVTensiune sc 220/10,5kV

Tensiune sc 121/10,5kV

Curent mers in gol

Deschidere axe cadre

Diametru rigla

Numar fascicule

Date Conductor

Tip

Sectiune Al

Sectiune Ol

Capacitate transport (I)

Diametru (d)

Sectiune totala (s)

Volum/1m

Masa conductor

Greutate specifica

Forta de rupere

Lungime totala deschidere

Axe cadre

Ochiuri carlige

Dimensiuni stalp

Inaltime

DiametruAria echivalenta

Lant izolatoare

Sectiune aluminiu (sAl)

Sectiune otel (sOl

)

Rezistenta electrica/ 200C


2/23

Material

Tip (tensiune-tractiune-poluare-conductor)

Lungime lant izolatori

Diametru izolator (D)

Aria echivalenta

Lungime intinzator

Clema tractiune 450

Greutate lant izolatori

Izolatori

Intinzatori

Clema

Piesa de legatura (ochi suspensie/carlig/ nuca)

Total

Clema tractiune

Jug dublu

Lungimi intervale de calcul

L1

L2

L3

L4

L5

Conditii meteo

Zona

Temperatura minima

Deschidere conductoare

Grosime chiciura

Greutate specifica chiciura

Viteza maxima vant

Presiune vant fara chiciura

Viteza vant cu chiciura

Presiune vant cu chiciura

Coeficient de rafala si neuniformitate vant cond.

Coeficient de rafala si neuniformitate vant lant iz.

Coeficient aerodinamic conductor

Coeficient aerodinamic lant izolatoare

Coeficient aerodinamic stalp

Forte concentrate Elemente derivatie

F1 Clema tractiune prin presare


3/23

Incarcari unitare

Conductor

Lant iz.

Stalp

Incarcari totale

Incarcari din masa proprie unitare

Conductor g1 = gc

ChiciuraCond+chiciura g3 = g1+g2

Incarcari din masa proprie totale

Giz

L2

gVc

= ctc

x c

x p x d x 10-3

gViz

= ctix

izx p

gVst

= cts

x c

x p

Fc = gVc

x aV

x sin2

Fiz = 2x(gViz

x Aiz)

Fiz = gVst

x Ast

g2 = x bch x (bch + dc) x ch x 10-3

g2ch

= L2* 1.5[(D+2d')2/4-D2/4]*c/10

Gc = g1 x ag

Gc.ch = g3 x ag

Gizch

= 1.1 Giz

g2Al-Ol

= L2*Al-Ol

g2ch

=L2* [(d+2d')2/4-d2/4]*c/10

p =k*d/100*v2/16

pch

=k*d/100*v2/16


4/23

Celula Linie

110 kV

3,811.50 MVA 3.81 GVAPrimar Secundar Tertiar

200 MVA 200 MVA 60

231 kV

121 kV

10.5 kV

12

1.25%

265.65

500 A 954.5 A 3299

9.77 % 11.28 MVA9.61%

6.14%

0.4 % 2.6 A

27.00 m

0.25m

2

Bara Coborari celule linie

Al-Ol 450/75 Al-Ol 300/69

450 300

75 69

1264 A 1264 A

d 29.25 mm 25.15 mm

445.3 305.3

75.55 68.98

s 520.85 374.28

520.85 374.28

1.82 daN/m 1.38 daN/m

3500.82 0.00370

16409 daN 12956 daN

0.07 /km 0.09 /km

27.00 m

a 26.15 m

8.00m

0.30mAst 2.40

Dublu in V cu intinzatori

mm2 mm2

mm2 mm2

sAL mm2 mm2

sOL mm2 mm2

mm2 mm2

cm3 cm3

c daN/m3 daN/cm3

m2


5/23

Compozit

110-160-IV 450/75

2087.75mm

140 mm

0.29

480 m

656

Giz 40.16

6.89 DaN

7.43 daN

6.41 daN

0.88

21.61 daN

6.5

6.04

2.09m

1.51 m 3.6

10.74 m 12.25

7.86 m 18.6

2.09

B

-30

21.97 m22mm

0.75

v 26 m/s

42

17m/s

16.8

1.55

1.65

1.1

0.8

0.7

Forte concentrate

Sarcini de calcul (daN)

ml buc Zona BF Fch P Pch

AV m2

0C

ag

bch

ch daN/dm3

p(v)

vch

p(v+ch)

c

iz

ctc

cti

cts


6/23

2.09

55.44

45.57

46.03

32.41

109.37

1.82daN/m

2.66daN/m4.48daN/m

40.07 daN

98.42 daN

80.32 daN

88.36 daN

1.377 daN/m

1.504 daN/m

2.757 daN

4.017 daN

daN/m2

daN/m2

daN/m2

daN/m2

daN/m2

daN/m2


7/23

MVA

A


8/23

Incarcari (daN)

Simbol

Starea

Psc I II III IV V

B

VB

HB

TB

A

TAVA

HA

L

L1 L2 L3 L4 L5

f1

2

3

4

5

P

x

F2

g2g1

g3 g4g5

F3VBVA

F1 F4


9/23

180

10

0.17

31.24


10/23

Forte conce

Forte Buc.

Sarcinile de calcul zona B (daN)

F P

F11

Total

F2

1

1

Total

F3

Total

F4

Total

Instal. Stare Chiciura

Exterior

I

II -5

III -5 da

IV 70

V -5 da maxim

VI 15

Interior

I

II 70

Elementederivatie F

chP

ch

Clematractiune prin

presare

Clemaderivatieaeriana

Clemalegaturaelectrica

Conductor Al-Ol

Clematractiune prin

presare

Conductor Al-Ol

Clematractiune prin

presare

Conductor Al-Ol

Temp. (0C)Viteza

vantuluiScurtcircuitintre faze

min

vmax

vch

vch

0.6vmax

min


11/23

V -5 maxim


12/23

ntrate

Incarcarile (daN)

SimbolStarea

I II III IV V

Sk = 3.8115GVA

Zona

3.8115GV


13/23


14/23

Zona meteo Grosimea stratului de chiciura (mm)

Ia 23 25

Ib 17 23

II 13 20

>1000m 25 30

Regim vant maxim

Un =110kV 0.75 0.85

Un =220400kV 0.6 0.75

Viteza vantului (m/s)

Zona meteo Un1000m 40 20

Zona meteo maxima minima

Ia, Ib, II 40 -30

>1000m 40 -30

Coeficient aerodinamic - K

1.1

1.2

0.7

Stalp suprafete pline plane 1.4

Stalp cu zabrele 2.6

Linie T=20mmneacoperite cu chiciura

Conductoare cu chiciurasau cele fara chiciura maimici de 20mm

Stalp sectiune oriz.Circulara

Densitati economice (A/mm2)


15/23

LEA conductoare Cu 3 2.1

LEA conductoare Ol-Al 1.8 1.2

Linii cablu conductoare Cu 2.75 2.25

Distante minime fata de sol (m) Tensiun

Zona traversata de LEA U


16/23

Un=220...400kV

Vant maxim Vant simultan cu chiciura

40 20

35 17

35 17

44 22

medie de formare chiciura

15 -5

10 -5

T>5000h/an


17/23

1.6

0.9

2

a liniei

U=220kV U=400kV

7 8

6 7


18/23

Module de elasticitate si coeficienti de dilatare liniara

Aluminiu Otel

6 1 8,100 191.0E-7

6 7 7,700 198.0E-7

12 7 10,700 153.0E-7

18 1 6,700 212.0E-7

2 7 7,400 190.0E-7

26 7 7,700 189.0E-7

2 7 7,900 184.0E-7

30 7 8,200 178.0E-7

30 19 8,000 180.0E-7

32 19 8,200 175.0E-754 7 7,000 193.0E-7

54 19 6,800 194.0E-7

0

0.00765

Sectiune calculata

Aluminiu Otel

Normala 16/25 15.30 2.55

25/4 23.90 4.00

36/6 34.30 5.70

50/8 48.30 8.00

70/12 66.20 11.60

95/15 90.00 15.00

120/21 122.60 20.90150/25 148.90 25.40

185/32 183.80 31.70

240/40 236.00 40.10

300/50 194.90 49.50

300/69

400/75 365.20 75.50

450/75 445.10 75.50

Numar total de fire dinconductor Al-Ol

E - Modul de elasticitatefinal efectiv

- Coeficient dedilatatie lineara

calculat

daN/mm2

Greutatespecifica Al Al = daN/cm3

Greutatespecifica Ol Ol = daN/cm3

Constructieconductor

Sectiunenominala Al/Ol

mm2 mm2 mm2


19/23

680/85 678.60 85.90

Lanturi de izolatoare

Materiale Compozit Portelan (capa+tija)

Model lega Tongue-Tongue Ball-Socket


20/23

Total

Executie

Inima otel Ma

mm Numar fire

17.85 6.00 5.4 1 1.80 1.80 6

27.9 5.98 6.8 1 2.25 2.25 6

40 6.02 8.1 1 2.70 2.70 6

56.3 6.04 9.6 1 3.20 3.20 6

77.8 5.71 17.6 7 1.45 4.35 10+16

105 6.00 13.4 7 1.65 4.95 10+16

143.5 5.87 15.7 7 1.95 5.85 10+16174.3 5.86 17.3 7 2.15 6.45 10+16

215.5 5.80 19.2 7 2.40 7.20 10+16

276.1 5.89 21.7 7 2.70 8.10 10+16

244.4 3.94 24.2 7 3.00 9.00 10+16

440.7 4.84 28.2 19 2.25 11.25 11+17

520.6 5.90 29.25 19 2.25 11.25 15+21+27

Raportsectiuni

Diametrulminim

mm2Numar

fireDiametrufir (mm)

Diametruinima (mm)


21/23

764.5 7.90 36 19 2.40 12.00 12+18+24


22/23

Masa aproximativa

nta aluminiu Gresat Negresat

daN kg/km kg/km

1.80 1 560 1.880 61.8 64 16/25

2.25 1 886 1.220 96.6 100 25/4

2.70 1 1,234 0.830 139.2 144 36/6

3.20 1 1,710 0.594 195.3 202 50/8

1.8 2 2,520 0.437 272.4 283 70/12

2.1 2 3,335 0.321 366.0 380 95/15

2.45 2 4,560 0.236 503.0 522 120/212.70 2 5,385 0.193 612.0 635 150/25

3.00 2 6,620 0.157 757.0 786 185/32

3.40 2 8,580 0.122 968.0 1,004 240/40

3.80 2 10,660 0.098 1,205.0 1,250 300/50

4.24 2 15,370 0.074 1,689.0 1,780 400/75

3 3 16,150 0.066 1,328.0 1,890 450/75

Sarcina derupere

ez stentaelectrica

conductorAl-Ol la 20oC

Sectiune

nominalaAl/Ol

Diametrufir (mm)

Numarstraturi

m mm2


23/23

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Calcul Mecanic Bare PE 111

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