5- تحديد الحمولات و عدد الخطوط المنطلقة من المحطة على...

66 kv 2-1- : . 80 MW cos = 0.85

( ) :

/ 16/ 16 :

a :

(2-1) S [MVA]S [MVA]

94.12 240.76

115.96 267.24

128.72 296.64

142.88 329.27

158.59 365.49

176.04 405.69

195.4 450.32

216.9 500

(2-1) 2-2- ( (230 kv : :

:

(12) 627.55 A :

25 C00.108 /km690 A300 mm2AC-300

:1- : (5) 40 C0 (6) 100 (7) : Ft= 0.89

:

25 C00.078 /km835 A400 mm2AC-400

: Ft= 0.89 :

.2- : 1.1 : : 230 kv :

:

m : m = 1 Kc :

0.5 sec . (2-1)

(2-1) Kc

. 1 sec (13)

3- : :

: . : (0.87 0.83) . : (0.85) . : . : . :AC 400 mm2 d = 2.8 cm

r = 1.4 cm

D = 600 cm

. (2-2) . S [MVA]P [MW]I[A]

94.1280118.122

115.9698.57145.542

128.72109.41161.562

142.88121.44179.332

158.59134.8199.052

176.04149.63220.952

195.4166.09245.252

216.9184.36272.232

240.76204.64302.182

267.24227.15335.422

296.64252.14372.312

329.27279.88413.272

365.49310.67458.742

405.69344.84509.192

450.32382.77565.22

500424.88627.552

(2-2)2-3- ( 66 kv) :

(14) :

(12) 312.38 A :

25 C00.27 /km380 A120 mm2AC-120

:1- : (5) 40 C0 (6) 100 (7) : Ft= 0.89 .2- :

: 66 kv :

:

m : m = 1 Kc :

0.25 sec . (2-1)

. 1 sec (13)

(2-3) 66 kv )) . S [MVA]P [MW]I[A]

18.82416164.665

23.19319.714202.895

25.7421.88225.25

28.5824.29249.975

31.7226.96277.475

29.3424.93256.666

32.5727.68284.896

30.9826.342717

34.429.1553007

33.4128.39292.228

32.9628288.339

32.9327.9828810

33.2728.2429011

33.8128.74295.7412

34.6429.4430313

35.7130.34312.3814

(2-3)