Transformatorlarning kuchlanishi va zanjirlari – muammolar va yechimlar

1.

Yuqoridagi jadvalga asoslanib, R va P ni toping.

qaror

Transformator tenglamasi:

V_s N_p = N_s V_p va V_p I_p = V_s I_s

V_s = ikkilamchi kuchlanish, V_p = asosiy KuchlanishN_s = ikkilamchi halqalar, N_p = asosiy sikllar_, I_p = asosiy hozirgi, Men_s = ikkilamchi oqim

Birlamchi kuchlanish (V _p )

V _p I _p = V _s I _s

V _p (4) = (10)(80)

V _p = 800 / 4

V _p = R = 200 Volt

Ikkilamchi halqalar (N _s )

V _s N _p = N _s V _p

(10)(600) = N _s (200)

6000 = 200 N _s

N _s = 6000 / 200

N _s = P = 30 ta ko'chadan

2.

Yuqoridagi jadvalga asoslanib, K va L ni toping.

yechim:

1-transformatorning ikkilamchi toki (Is _{s ):}

V _p I _p = V _s I _s

(200)(3) = (300)(I _s )

Men _s = 600 / 300

I _s = K = 2 A

2- transformatorning ikkilamchi kuchlanishi (V _s ) :

V _p I _p = V _s I _s

(40)(0,75) = Vs ₍ 1)

V _s = L = 30 Volt

3.

Yuqoridagi jadvalga asoslanib, P va Q ni toping.

yechim:

Birlamchi kuchlanish (V _p )

V _s N _p = N _s V _p

(220)(300) = (600) V _p

(220)(3) = (6) V _p

660 = 6 V _p

V _p = 660 / 6

V _p = P = 110 Volt

Birlamchi tok (I _p )

V _p I _p = V _s I _s

(110)(I _p ) = (220)(2)

(110)(I _p ) = 440

Men _p = 440 / 110

I _p = Q = 4 A