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7/24/2019 Slide Chuong1 my in1
1/24
K thut in B mn Thit b in
K thut in
C1: Tng quan v mch in
PP Gii mch in DC
-
7/24/2019 Slide Chuong1 my in1
2/24
K thut in B mn Thit b in
Khi nim mch in
nh ngha mch in
Cc thnh phn ca mch in
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7/24/2019 Slide Chuong1 my in1
3/24
K thut in B mn Thit b in
Cu trc mch in
Nhnh: mt ng cha 1 hay nhiu phn t ni tip
Nt: giao im ca ti thiu 3 nhnh
Vng: tp hp cc nhnh to thnh h thng kn v
ch i qua mi nt 1 ln
Mt li: 1 vng m bn trong khng cha vngkhc
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7/24/2019 Slide Chuong1 my in1
4/24
K thut in B mn Thit b in
Cc i lng vt l
Dng in
in p
Cng sut
in nng
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7/24/2019 Slide Chuong1 my in1
5/24
K thut in B mn Thit b in
Phn t ngun
Ngun p c lp
Ngun dng c lp
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7/24/2019 Slide Chuong1 my in1
6/24
K thut in B mn Thit b in
Phn t ti
in tr - nh lut Ohm
in cm Hin tng t cm
in dung Hin tng np in
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7/24/2019 Slide Chuong1 my in1
7/24
K thut in B mn Thit b in
Cc nh lut c bn
nh lut Kirchhoff 1 nh lut K1
nh lut Kirchhoff 2 nh lut K2
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7/24/2019 Slide Chuong1 my in1
8/24
K thut in B mn Thit b in
Mt s v d
Tnh v?
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7/24/2019 Slide Chuong1 my in1
9/24
K thut in B mn Thit b in
Cc pp gii mch c bn (1)
in tr u ni tip v cu phn p
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7/24/2019 Slide Chuong1 my in1
10/24
K thut in B mn Thit b in
Cc pp gii mch c bn (2)
in tr u song song v cu phn dng
-
7/24/2019 Slide Chuong1 my in1
11/24
K thut in B mn Thit b in
Cc pp gii mch c bn (3)
Bin i in tr dng Y-
-
7/24/2019 Slide Chuong1 my in1
12/24
K thut in B mn Thit b in
Cc pp gii mch c bn (3)
Bin i in tr dng -Y
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7/24/2019 Slide Chuong1 my in1
13/24
K thut in B mn Thit b in
Phng php dng nhnh (1)(PP in th nt)
Chn nt b lm chun, vb= 0
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7/24/2019 Slide Chuong1 my in1
14/24
K thut in B mn Thit b in
Phng php dng nhnhV d
VD1: Tnh dng in qua in tr 8
-
7/24/2019 Slide Chuong1 my in1
15/24
K thut in B mn Thit b in
Phng php dng nhnh (2)(PP in th nt)
Trng hp mch nhiu hn 2 nt
- B1: Xc nh tng s nt n. Chn 1 nt lmchun
- B2: Ti mi nt khc chun, cn xy dngptrnh in th nt: (n-1) phng
trnh
- B3: Gii h ptrnh
-
7/24/2019 Slide Chuong1 my in1
16/24
K thut in B mn Thit b in
Phng php dng nhnhV d
VD2: tnh dng qua
in tr 2
-
7/24/2019 Slide Chuong1 my in1
17/24
K thut in B mn Thit b in
Phng php dng nhnh (3)(PP in th nt)
Trng hp c bit: nhnh ch cngun p c lp
- chn nt d lm chun
- Ti nt b
- Ti nt c
- V ta c
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7/24/2019 Slide Chuong1 my in1
18/24
K thut in B mn Thit b in
Phng php dng vng (1)(PP dng mt li)
-
7/24/2019 Slide Chuong1 my in1
19/24
K thut in B mn Thit b in
Phng php dng vng (2)(PP dng mt li)
-
7/24/2019 Slide Chuong1 my in1
20/24
K thut in B mn Thit b in
Phng php dng vng (3)(PP dng mt li)
-
7/24/2019 Slide Chuong1 my in1
21/24
K thut in B mn Thit b in
Phng php dng vng (4)(PP dng mt li)
Trng hp c bit: trong mt li changun dng
Ta c
-
7/24/2019 Slide Chuong1 my in1
22/24
K thut in B mn Thit b in
Phng php dng vngV d
-
7/24/2019 Slide Chuong1 my in1
23/24
K thut in B mn Thit b in
Mch tng ng Thevenin-Norton
-
7/24/2019 Slide Chuong1 my in1
24/24
K thut in B mn Thit b in
Nguyn l xp chng
Lu v vic hy ngun: h mch ngun dng v ngn mchngun p
