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H THNG NGUNI NCHO TRM BTS

Ngi trnh by : Hong Tun Hng.

Chc v: Cn b kthut

NI DUNG PHN HC

. u n ng ngu n n r m

BTS

2. Cp ngun AC, my pht

3. H thng t ngun DC, Accu

. t u c c o t ngu n tr n mngVinaphone.

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(A)

CB32A 1P

CB32A 1P

(B)

CP 3X16+1X10

hp phn phi in 17 cb (clipsal )

BTS

REC

M 70

CB10A 2P VIBAM70

2 x M 1 6

2 x M 3 5

SIN IN HNH CA MT BTS

CB100A3P

Cng t in

IN

AC

3PHA

CP

3X16+1X10

THIT B CT LC ST CB10A 2P

CB20A 2P

CB32A 1P

CB32A 1P

CB32A 1P

CB32A 1P

CB20A 2P

(C)

(A)

(B)

(C)

(C) CP 2x6

CP 3X16+1X10

ACCU

M70

D phng

DH 12000BTUM16

DH 12000BTUM16

b o ch y , cn h b o ng o i

2 x M 95

2 x 2 ,5

my n

x (4 p

Cu dao ochiu 3p

T IN NGOI PHNG MY

C P 3 X 16 + 1 X 1 0

B CHUYN IIN NGUN /M Y N

40A 3P

CB63A 3P

CB10A 2P x n , cm

A, B, C

/

2 x 2 ,5

SU NI IN AC U VO

in li t cngtca in lc

4

Ti b chng st ACtrong phng my

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U NI NGUN QUA B CHNGST NGUN AC

B ct lc st ngun AC

in lihoc inmy n t

Hp bypass

Ti hp phnphi AC

hp c u daoo chiu

U NI HP PHN PHI NGUN AC

T hp

chng stAC

6

T my nniu

ha1

iu

ha2

Hpcnhbo

cm,nhsng

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Cnh thc kim trakhi c s c xy rai vi hn n un

KIM TRA U NI IN TIHP PHN PHI AC

in:

-Kim tra cch thcu ni

-Kim tra v trautomat: v tr bthay tt

7

-Kim tra phn uni cp AC pha tronghp automt

3. H THNG T NGUN DC vAccu

8

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CU TRC V NGUYN L HOTNG

2 b phn cbn:

T nn in 48V (rectifier system)

H thng acqui 48V

9

T NGUN

Cu to:

T i

Khi gim st iu khin

Cc khi rectifier

Khi u ni, phn phi ngun in

10

Nguyn l hot ng.

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Accu

Cu to:

T i

Cc loi t Accu

in cc

Dung dch in phn

11

V.v

Nguyn l hot ng.

4. MT S CHNG LOI T NGUNTRN MNG CA VINAPHONE

12