do an mang luoi dien thang

8/13/2019 Do an Mang Luoi Dien Thang

1/69

Tt Nghip Mng Li in

M U Ngy nay, in nng l mt phn v cng quan trng trong h thng nng lng

c a mt quc gia! "in nng l mt #$ng nng lng c% nhi&u u i'm nh( #) #nhchuy'n thnh c*c #$ng nng lng +h*c nhit, c-, h%a./, #) truy&n t0i v ph1n phi!2h3nh v4 v5y in nng c 67 #8ng r9t rng r:i trong mi l;nh vrong i&u +in n?c ta hin nay ang trong th=i +4 cng nghip ho* vhin $i ho* th4 in nng l$i %ng mt vai tr@ v cng quan trng!

"in nng l nguAn nng lng ch3nh c a c*c ngnh cng nghip, l i&u +inquan trng ' ph*t tri'n c*c thB v #1n c!! C4 lD #o % +hi l5p +E ho$ch ph*t tri'+inh tE F: hi, +E ho$ch ph*t tri'n in nng ph0i i tr?c mt G?c, nhHm thIa m:nnhu cu in nng +hng nhJng trong giai o$n tr?c mKt m c@n #< +iEn cho 6< phtri'n trong t-ng lai L,M nm hoOc c% +hi c@n l1u h-n nJa! >hPm vo % n&n +inh

n?c ta c@n trong giai o$n ang ph*t tri'n v vic 60n Fu9t in nng c@n ang thiEthn 6o v?i nhu cu tiPu th8 in nPn vic truy&n t0i in, cung c9p in cQng nh ph1n phi in cho c*c h tiPu th8 cn ph0i c t3nh to*n +; lRng ' vSa 0m G0hp l3 v& +; thu5t cQng nh v& +inh tE!

>rong qu* tr4nh nghiPn cTu v thiEt +E "A *n ny : a ra ph-ng *n c% +h0 nngth


2/69

Tt Nghip Mng Li in

M#$ L#$]^ "_`!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!] 2 b 2!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2defN M!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2 N jkN 2 N ` >, !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!b 2d N defN sN d b !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!U, d N > 2d N `wN Cx d > U 2 N jkN 2 N ` > >z{N d| >d}N "U|N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

M!M d N > 2d N `wN Cx d > U!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!M! 2 N jkN 2 N ` > >s2 V N !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!M!~2 N jkN 2 N ` > d N dsN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!M! 2s2 } bU|` >d` > 2f j N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2defN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!b defN sN Cx > Nd >{sN >d` > 2s2 defN sN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!M "> C N "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! V UN 2s2 defN sN 2`N 2 "U|N Cx 2s2 >U` 2d`N > Nd

>{sN >d` >!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~ > Nd >{sN >d` > defN sN M!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > Nd >{sN >d` > defN sN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!L> Nd >{sN >d` > defN sN ~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!> Nd >{sN >d` > defN sN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!> Nd >{sN >d` > defN sN L!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2defN ~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!{ sNd UNd > 2s2 defN sN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~!M defN ds { sNd UNd >!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~! > Nd >{sN C UNd > 2d{ 2s2 defN sN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~~!~ b 2d N defN sN d b Nd >!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2defN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2d N ]s jUN s Cx f "w N}U "U|N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!M 2d N } be N Cx 2 N ` > 2s2 ]s jUN s >z{N 2s2 >z]d s !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

! 2d N f "w N}U V >z] d s !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2defN L!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!> Nd >{sN d N j} 2 N ` > >z{N ]N "U|N > Nd >{sN 2d " s2 b 2 ]N "U|N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

L!M > Nd >{sN 2dU >U> d N j} 2 N ` > >z{N ]N "U|N!!!!!!!!!! L! >U Nd >{ N "U N > U 2 2 "U] N` > 2` ] N "U N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!L

L!~ "U` 2dNd "U|N s >z{N ]N "U|N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2defN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2 2 2dU >U` UNd > >d` > 2` ] N "U N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!M! Cn u t F1y # n th9t cng 6u9t t*c #8ng trong m$ng in!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Nguyn nh Thng - Lp HTK !


3/69

Tt Nghip Mng Li in!~! > n th9t in nng trong m$ng in!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! >3nh chi ph3 v gi* thnh!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Nguyn nh Thng - Lp HTK ! %


4/69

Tt Nghip Mng Li in

$H&'N( "$)N !*N( $+N( ,U T.

L/0 $H1N 2H&'N( 3N H42 L5

6. 2H)N T7$H N(U8N 9: 2H# T;6 $)N !*N( $+N( ,U T T TH?N( 6>N

"@" 2H)N T7$H N(U8N 9: 2H# T;61.1.1 Ngun in

C?i gi0 thiEt +hi thiEt +E m$ng in l c% mt nguAn cung c9p in nh 6au(

NguAn in t3nh tS thanh g%p cao *p c a Nh ]*y "in, tr$m trung gian Ba ph-ng!

NguAn in cung c9p cng 6u9t t*c #8ng cho ph8 t0i!

d 6 cng 6u9t trPn thanh g%p c% gi?i h$n cng 6u9t ph0n +h*ng/n#co6 ,L = !

1.1.2 Ph ti inC?i gi0 thiEt v& ph8 t0i in nh 6au(

2ng 6u9t c a ph8 t0i cR ~ ] +h0 nng t0i c a =ng #1y MM +C/!

d 6 cng 6u9t c a ph8 t0i l ,! " tin c5y cung c9p in l c% h lo$i U v M h lo$i UUU!

>h=i gian 67 #8ng cng 6u9t c h= !

d 6 Ang th=i mM!

"in *p #anh Bnh c a l?i thT c9p l M +C!

"@ $)N !*N( $+N( ,U T T3$ A#N(

>$i mi th=i i'm lun c% 6< c1n GHng giJa in nng 60n Fu9t ra v in nng tiPuth8, i&u % cQng c% ngh;a l t$i mi th=i i'm cn ph0i c% 6< c1n GHng giJa cng 6t*c #8ng v cng 6u9t ph0n +h*ng ra v?i cng 6u9t t*c #8ng v cng 6u9t ph0n +h*ngtiPu th8! NEu 6< c1n GHng trPn GB ph* vR th4 c*c chY tiPu ch9t lng in GB gi0En gi0m ch9t lng c a c*c 60n phm hoOc c% th' m9t n Bnh hoOc lm tan r: hthng!

2ng 6u9t t*c #8ng c a c*c ph8 t0i liPn quan t?i tn 6 c a #@ng in Foay chi&>n 6 trong h thng 6W thay i +hi 6< c1n GHng cng 6u9t t*c #8ng trong h thn

ph* vR! i0m cng 6u9t t*c #8ng ph*t ra #n En gi0m tn 6 v ngc l$i! C4 v5ymi th=i i'm trong c*c chE F*c l5p c a h thng in, c*c nh m*y in trong h

Nguyn nh Thng - Lp HTK ! B


5/69


6/69

Tt Nghip Mng Li inm$ng in c a c*c vng riPng Git cn ph0i tiEn hnh c1n GHng 6- G cng 6u9t p+h*ng c a l?i in!

21n GHng cng 6u9t ph0n +h*ng trong m$ng in thiEt +E c tiEng hnh chuni v?i c0 h thng!

21n GHng cng 6u9t ph0n +h*ng c tiEn hnh i v?i chE c


7/69

Tt Nghip Mng Li in

ptii M= M ~ L

](

Qi=P i.tg

i ( cos

i=0,9

tg

i=0,484)( cos i=0,85 tg i=0,620)

( cos i=0,8 tg i=0,75) #o % ta c% G0ng 6au(

h8 t0i M h8 t0i h8 t0i ~ h8 t0i h8 t0i L h8 t0i h8 t0i h8 t0i

i ]/ ~ ~L ~ ~ M

i ]r/ M,M ML, M, M, M,~ M , M, L

j0ng M!MVo %(

pt M~M! ]C r!

j ( > ng t n th9t cng 6u9t ph0n +h*ng trong c*c tr$m h$ *p c t3nh GHng ML pt ,ta c%(

j

ML FM~M! M!

M ]C r

b 2 , ( > ng gAm( t n th9t cng 6u9t ph0n +h*ng trPn =ng #1y vcng 6u9t ph0n +h*ng #o #ung #n #o =ng #1y 6inh ra! i0 67 =ng #1y truy&n tcng 6u9t t< nhiPn v =ng #1y +hng t n th9t z , /! C5yb 2 = .

t# #t + ( > ng cng 6u9t t< #ng v #< trJ c a nh m*y, trong

tr=ng hp ny chZng GHng ! yc M~M! M!ML !LM ]C r

>a th9y yc n# nPn chZng ta +hng ph0i tiEn hnh G 6- G!"@B $3$ ,? L6>U KE THUFT $' !;N

1.4.1 Khong cch t nh my ti cc ph ti >S 6- A mOt GHng nh m*y ta c% +ho0ng c*ch tS nh m*y En ph8 t0i l(

Nguyn nh Thng - Lp HTK ! G


8/69

Tt Nghip Mng Li in

"o$n NM N N~ N NL N N N

l +m/ M! ~ ~! L ! M! ~ ! !MM MMM! M

j0ng M!1.4.2 Bngthng s c!" cc ph ti in

Nh v5y ta c% G0ng c*c thng 6 c a c*c ph8 t0i thiEt nh 6au(

h8 t0i bni +m/ i ]/ i ]C r/

M M !M

! ~ !

~ L!L L M !M

~M! ~ M !L

L ~M! M~!LL

~ ML!

j0ng M!~

1.4.# $c %&" ch'n () thu*t +"n ,u >ruy&n t0i in Foay chi&u 2! Vng =ng #1y trPn +hng #1y #n trn! Vng #1y nhm li thp 2!

Vng ct GP tng ct thp v?i h 6 v5n hnh =ng #1yvhda 0,04=

i* thnh =ng #1y trPn +hng mt m$ch in *p MM +C 610 +m/!

hi chZ( i* thnh =ng #1y hai m$ch GHng M, ln gi* thnh =ng #1y mm$ch!

i* thnh tr$m GiEn *p truy&n t0i c% mt m*y GiEn *p in *p MM M +C v?v5n hnh c*c thiEt GB trong tr$m GiEn *pvha ,M !

2ng 6u9t Bnh mTc, ]C M L ~

i* thnh,910 tr$m ML, , ,

j0ng M!L



9/69

Tt Nghip Mng Li inhi chZ( i* thnh tr$m hai m*y GiEn *p GHng M, ln gi* thnh tr$m c% mt m

GiEn *p!

$H&'N( LF2 2H&'N( 3N 9: T7NH T=3N KE THUFT $3$

2H&'N( 3N@" IT 9 N J

>hiEt +E l?i in l mt Gi to*n nhI c a Gi to*n quy ho$ch l?i in! 2*c chtiPu v& +inh tE + thu5t c a m$ng in ph8 thuc r9t nhi&u vo 6- A c a n%! C4



10/69

Tt Nghip Mng Li inc*c 6- A m$ng in cn c chn 6ao cho c% chi ph3 nhI nh9t, 0m G0o tin ccung c9p in cn thiEt, 0m G0o ch9t lng in nng yPu cu c a c*c h tiPu ththu5n tin v an ton trong v5n hnh, +h0 nng ph*t tri'n trong t-ng lai v tiEp nh5nc*c ph8 t0i m?i!

>rong thiEt +E hin nay, ' chn c 6- A ti u c a m$ng in, ng=i ta 67#8ng ph-ng ph*p nhi&u ph-ng *n! >S c*c vB tr3 : cho c a c*c ph8 t0i, cn tiEn hn#< +iEn mt 6 ph-ng *n tt nh9t 6W c chn trPn c- 6 6o 6*nh chY tiPu +inh tEthu5t c a c*c ph-ng *n! ]$ng in cn c% tin c5y cao, t3nh +inh tE v linh ho$t cthiEt! h-ng *n ti u l ph-ng *n $i tiPu chun + thu5t v c% chi ph3 +inh tE nhnh9t!

@ A/ K6 N $3$ 2H&'N( 3N $UN( $ 2 6>N 9: $3$ T6 U $HU NT7NH T=3N KE THUFT

>a c% thXo yPu cu cung c9p in cho L h lo$i U v M h lo$i UUU, m h lol nhJng h l nhJng h tiPu th8 in quan trng, nEu nh ngSng cung c9p in c%th'g1y nguy hi'm En t3nh m$ng v 6Tc +ho con ng=i, g1y thit h$i nhi&u v& +inh tEh hIng thiEt GB, lm hIng hng lo$t 60n phm, ri lo$n qu* tr4nh cng ngh phTc t$pVo % c*c ph-ng *n cung c9p cho c*c h lo$i U ph0i c c9p tS hai nguAn!Cic lng

b NM N N~ N NL N

m$ch

` i +C/ !MM L! L !~L !M L! M M!

` iGt ~!L !M ~!~~ !~ ! !

j0ng !~

C5y ma!"t !M ML

2.#.#.2 $h: %m Aic s"u s& c

1 sc # = F~!L !

=2 sc # F!M M ! L

=$ sc # F~!~~!

=4 sc # F !~L!

=5 sc # F ! !

6 sc # = F ! L!

C5y ma! sc # = M ! L

9Py ph ng Rn " St y u Vu WX thuPt@

Nguyn nh Thng - Lp HTK !"


20/69

Tt Nghip Mng Li in

@B T7NH T=3N KE THUFT 2H&'N( 3N

N

L

M

~

~ M ! c + m

h! N ~

+ m

~ M ! c

+ m

h N + m

~ M ! c + m +m

d4nh !2.4.1 $h'n in p 7nh m8c c!" m6ng in

V


21/69

Tt Nghip Mng Li in2.4.2 =c 7nh ti:t /in /0y /;n A cc thng s c!" ->ng /0y

>a chn tiEt #in thXo ph-ng ph*p m5t +inh tE c a #@ng in l9y tiEt #in ##n tiPu chun gn nh9t! au % tra G0ng ph8 l8c ta c c*c thng 6 c a #1y #nEt qu0 c ghi trong G0ng 6 liu 6au(

b NM N N ~ NL N

m$ch , , , , , ,

i ]/ M, , ~ , LL, , ~ ,

i ]C r/ ,M , M ,L , M~,LL ML,

]C / M, , M ~~,~ M,M ~ ~M,M ~L,LL

Ui / L , M L,~M~ , M ,~ M,~ ~,

i mm/ ,M L~, MM ,LM M L,M , M ,M

VV chn 2 2 2 2ML 2 2L

bi +m/ , , ~ ~M, ~M, ~M, ,

r +m/ , , , , M , ,~~

F +m/ , , , , M , ,

G M +m/ ,L ,L ,L , ,L ,L

z / M,M , L , ~ ~,~ , ~ ,

/ ML, ,M~ ,L ,L ,L ,L

j M / ~M, ~~ ,~L M~,ML M~, M~,ML M

Ucp / L, L, L, L, L, ~~

j0ng !Li'm tra i&u +in ph*t n%ng #1y #n +hi 6< c(

sc 1 = 1.2 = 52.481!2 = 104.962 + c = 265 +

sc 2 = 2.2 = 58.$1$!2=116.626 c = 265 +

sc $ = $.2 = 87.469!2 = 174.9$8 + c = 265 +

Nguyn nh Thng - Lp HTK !"


22/69

Tt Nghip Mng Li insc 4 = 4.2 = 160.$6!2 = $20.72 + c = 445 +

sc 5 = 5.2 = 81.6$8!2 = 16$.28 + c = 265 +

sc 6 = 6.2 = 9$.$!2 = 186.6 + c = $$0 +C5y tiEt #in #1y #n : chn thIa m:n i&u +in ph*t n%ng +hi 6< c!

2.4.# =c 7nh t@n th t in p %n nh t c!" ph- ng n2.4.#.1 $h: %m Aic +Cnh th->ng

b NM N N ~ NL N

b +m/ ! ! ~ ~M! ~M! ~M! !

` i +C/ !MM L! L !M M~M! ~ L! M M!

` iGt ~!L !M !~ !L ! !

j0ng !

C5y = + =ma! "t d2 "t 4$ "t# # # !M !LM ! ML

2.4.#.2 $h: %m Aic s"u s& c "i v?i m$ch liPn thng ta chY Ft 6< c v?i =ng #1y gn nguAn

= =1 2sc 1 "t# 2. # ! ~!L F = = 2sc # 2!7.122 14.254#

= + = + =4 $sc 4"t 4 $"t# 2! # # 2!2.6$8 2.956 8.2$2#

= =5sc # 2!2.462 4.924#

= =6sc # 2!2.844 5.688#

C5y ma! sc # = M ! L

9Py ph ng Rn St y u Vu WX thuPt@



23/69

Tt Nghip Mng Li in@CT7NH T=3N KE THUFT 2H&'N( 3N %

N

L

M

~

h N + m

~ M ! c + m

+m

~ M ! c + m

h h ! c + m

~ M !

c + m

d4nh !

2.9.1 ch'n in p 7nh m8c c!" m6ng inV


24/69

Tt Nghip Mng Li in2.9.2 =c 7nh ti:t /in /0y /;n A cc thng s c!" ->ng /0y

>a chn tiEt #in thXo ph-ng ph*p m5t +inh tE c a #@ng in l9y tiEt #in ##n tiPu chun gn nh9t! au % tra G0ng ph8 l8c ta c c*c thng 6 c a #1y #nEt qu0 c ghi trong G0ng 6 liu 6au(

b NM M N ~ NL N

m$ch , , , , , ,

i ]/ M, ~, ~ , LL, , ~ ,

i ]C r/ ,M M,~ M ,L , M~,LL ML,

]C / M, , M ~~,~ M,M ~ ~M,M ~L,LLM

Ui / L , M MM , , M ,~ M,~ ~,

i mm/ ,M M , ,LM M L,M , M ,M

VV chn 2 2L 2 2ML 2 2L

bi +m/ , , ~M, ~M, ~M, ,

r +m/, ,~~ , , M , ,~~

F +m/ , , , , M , ,

G M +m/ ,L ,L ,L , ,L ,L

z / M,M M ,L , ~ ~,~ , ~ ,

/ ML, M,ML ,L ,L ,L ,L

j M / ~M, MM,L M~,ML M~, M~,ML

Ucp / L, ~~ , L, L, L, ~~ ,

j0ng !i'm tra i&u +in ph*t n%ng #1y #n +hi 6< c(

sc 1 = 1.2 = 52.481!2 = 104.962 + c = 265 +

sc 2 = 2.2 = 110.794!2=221.588 c = $$0 +

Nguyn nh Thng - Lp HTK !B


25/69

Tt Nghip Mng Li insc 4 $ = 4 $.2 = 160.$6!2 = $20.72 + c = 445 +

sc 4 = 4.2 = 87.469!2 = 174.9$8 + c = 265 +

sc 5 = 5.2 = 81.6$8!2 = 16$.276 + c = 265 +

sc 6 = 6.2 = 9$.$0.2 = 186.60 + c = $$0 +C5y tiEt #in #1y #n : chn thIa m:n i&u +in ph*t n%ng +hi 6< c!

2.9.# =c 7nh t@n th t in p %n nh t c!" ph- ng n2.9.#.1 $h: %m Aic +Cnh th->ng

b NM M N ~ NL N

b +m/ , , ~M, ~M,~M, ,` i +C/ ,MM MM , ,M M~M, ~ L, M M

` iGt ~,L ,LLM ,~ ,L , ,

j0ng !

= + =1 2"t 1"t 1 2"t# # # ~!L !LLMMM! LL

= + =4 $ "t 4"t 4 $"t# # # !~ !LL!L

=5"t # ! =6"t # !

C5y = + =ma! "t 1"t 1 2"t# # # ~!L !LLMMM! LL ML

2.9.#.2 $h: %m Aic s"u s& c "i v?i m$ch liPn thng ta chY Ft 6< c v?i =ng #1y gn nguAn(

= + = + =1 2sc 1sc 1 2"t# 2. # # 2!$.504 7.551 14.559#

= + = + =4 $sc 4sc $ 4"t# 2. # # 2!2.6$8 2.956 8.2$2#

= =5sc # 2!2.462 4.924#

= = 6sc # 2!2.844 5.688#

C5y ma! sc # = M !LL

9Py ph ng Rn % St y u Vu WX thuPt@

Nguyn nh Thng - Lp HTK !C


26/69

Tt Nghip Mng Li in@DT7NH T=3N KE THUFT 2H&'N( 3N B

N

L

M

~

N + m

+m

~ M ! c + m

~ M ! c + m

~ M ! c + m

h M!c ~ + m

d4nh !M

2.


27/69

Tt Nghip Mng Li in2.


28/69

Tt Nghip Mng Li insc 4 $ = 4 $.2 = 160.$60!2 = $20.72 + c = 445 +

sc 5 = 5.2 = 81.6$8!2 = 16$.276 + c = 265 +

sc 5 2 = 5 2.2 = 1$9.950!2 = 279.9 + c = $80 +

sc 6 = 6.2 = 9$.$!2 = 186.6 + c = $$0 +C5y tiEt #in #1y #n : chn thIa m:n i&u +in ph*t n%ng +hi 6< c!

2.


29/69

Tt Nghip Mng Li in@GT7NH T=3N KE THUFT 2H&'N( 3N C

N

L

M

~

h N + m

~ M ! c + m

h M!c~ + m

h! N ~

+ m

+m

L !L + m

~ M ! c + m

d4nh !MM

2.?.1 Ph0n + cng su t t5ong m6ng inh8 t0i bi +m/ i ]/ i ]C r/

M ! M !M

! ~ !

~ L!L L M !M

~M! ~ M !L

L M! ~ ~! ~

~M! M~!LL

! ~ ML!

j0ng !M~



30/69

Tt Nghip Mng Li in

2ng 6u9t trPn =ng #1y N"M = +.

1 18 8.712 V+

2ng 6u9t trPn =ng #1y N"~ = +

.

$ 25 12.10 V+

2ng 6u9t trPn =ng #1y N" = +.

4 $0 14.52 V+

2ng 6u9t trPn =ng #1y N" = +.

6 28 1$.552 V+

j0ng !Mh1n G cng 6u9t trPn m$ch v@ng NVL v?i gi0 thiEt GI qua t n th9t cng 6u9

N

L

~ M ! c + m

h M!c ~ + m

h! N ~

+ m

d4nh !M

L

N- N-

d4nh !M~

i0 67 i'm L l i'm ph1n cng 6u9t +hi % ta c%(

Nguyn nh Thng - Lp HTK !%O


31/69

Tt Nghip Mng Li in

[ ]

+ + + ++ += =

+ + + += +

. .

2 525 5 5 2

2 25 5

(20 9.68 )!(41.2$ $1.62) (28 1$.552 )!$1.62 .(- - ) .-- - - 64.0$ 41.2$ $1.62

17.11 8.28( V+)

= + = + + + += +

. . . .

5 2 5 2 (20 9.82 ) (28 1$.552 ) (17.11 8.28 )$0.89 15.092( V+)

= = + + = +. . .

2 5 5 5 ($0.89 15.092 ) (28 1$.552 ) 2.89 1.54( V+)

C5y i&u gi0 67 i'm ph1n cng 6u9t l Zng!2.?.2 $h'n in p 7nh m8c c!" m6ng in

V


32/69


33/69

Tt Nghip Mng Li in~ ~

L cp#m

~ ~ L L

N cp#m

FM M! FMU ! / U 2 / L /

~F` ~FMM

/ / FM ~!~ /FMU ! M / U 2 ML / L /

~F` ~FMM

= = = < =

+ + + += = = < =

NgSng =ng #1y NV (~ ~

L L cp

#m

~ ~ L L

N L cp

#m

!M ~ !~FMU M ! L / U 2 / L /

~!` ~!MM

/ / !M ~!~ /FMU ! M / U 2 ML / LL /

~!` ~!MM

= = = < =

+ + + += = = < =

NgSng =ng #1y L(~ ~

N cp#m

~ ~L

N L cp#m

!M M! FMU ! / U 2 L/ ~~ /~!` ~!MM

!M ~ !~FMU M ! L / U 2 ML / L /

~!` ~!MM

= = = < =

= = = < =

C5y tiEt #in #1y #n : chn thIa m:n i&u +in ph*t n%ng +hi 6< c!2.?.4 =c 7nh t@n th t in p %n nh t c!" ph- ng n

2.?.4.1 $h: %m Aic +Cnh th->ng

b NM N N~ N L NL N

b +m/ , , ~ L,L ~M, M, ~ ~M,

`i +C/ ,MM ,L ,~L ,M ,L ,L ~ M ,

Gti` ~,L , ~,~~ ,~ , ~,~~ ,M M

j0ng !M

= 1"t # ~!L

=2"t # !

=$"t # ~!~~

=4"t # !~

= + = 2 5"t 2"t 5"t# # # ! ~!~~ !

=5"t # ~!~~

Nguyn nh Thng - Lp HTK !%%


34/69

Tt Nghip Mng Li in

= 6"t # !M M

C5y = =ma! "t 2 5 "t# # !

2.?.4.2 $h: %m Aic s"u s& c

"i v?i m$ch liPn thng ta chY Ft 6< c v?i =ng #1y gn nguAn( = =1sc 1"t# 2! # 7.008#

= =$sc $"t# 2! # 7.866#

= =4sc 4"t# 2! # 5.276#

= =6sc 6"t# 2! # 4.282#

"i v?i m$ng in +3n ta Ft 6< c v?i =ng #1y gn nguAn(

"Tt =ng #1y NV (

= + 5 2 5 5 2# # #

C?i L N L L NL N L #m

r r /!z /!` !M L!M

`+ + +

= =

L LL

#m

!z !` !M ~! ~

`+ = =

C5y = + 52 5 52# # # ! ~

"Tt =ng #1y NVL(

= + 2 5 2 2 5# # #

C?i

L N L N N

#m

/!z /!` !M M~!

`+ + +

= =

L L L L L

#m

!z !` !M !M

`

+ = =

C5y = + 5 2 2 52# # # !

C5y ma! sc # = !

9Py ph ng Rn C WhYng St y u Vu WX thuPt@

Nguyn nh Thng - Lp HTK !%B


35/69

Tt Nghip Mng Li in

$H&'N( %,= ,3NH K6NH T $3$ 2H&'N( 3N

%@" 2H&'N( 2H32 ,= ,3NH K6NH T

>iPu chun 6o 6*nh c*c ph-ng *n v& mOt +inh tE l hm chi ph3 t3nh to*n hnnm G nh9t! 2hi ph3 t3nh to*n hng nm c a mi ph-ng *n c t3nh thXo Gi'u thTc

= (a tc; a vh).& ; +.c

= a tc.& ; rong %(

( dm chi ph3 t3nh to*n hng nm Ang

tca ( d 6 Bnh mTc hiu qu0 6o 6*nh c a c*c vn u t(

tca tc

M>

tc> ( >h=i gian tiPu chun thu hAi vn u t, 1y l9ytc> nm!C5y tca ,M L!

vha ( d 6 v5n hnh hay h 6 +h9u hao tu 67a th=ng + v ph8c v8 c*c=ng #1y c a m$ng in! >a l9yvha , !

( b vn u t c a m$ng in! >rong A *n mn hc ny, vn u t chYt3nh i v?i =ng #1y, c@n c*c thiEt GB +h*c nh tr$m GiEn *p, m*y cKt, #ao c*chta coi nh nhau c*c ph-ng *n(

& = & 0i.-i = & i

i ( u9t vn u t cho M+m =ng #1y nh*nh thT U, tiEt #in i! C?i l +pm$ch/ th4 l9y i M, ln chi ph3 cho l -n c% cng tiEt #in #1y, tY Ang+m/!

il (2hi&u #i truy&n t0i nh*nh thT U+m!

imaF ! =

maF (> n th9t cng 6u9t t*c #8ng ton h thng lZc ph8 t0i c n th9t cng 6u9t trPn =ng #1y thT i lZc ph8 t0i ch=i gian t n th9t cng 6u9t c


36/69

Tt Nghip Mng Li in = (0,124 ; ma! .10 4)2.8760 h

maF> ( >h=i gian 67 #8ng cng 6u9t c h!

C5y !M !M / ! ~ Mh

c( i* M+h in nng t n th9t c Ang+h!i* thnh =ng #1y trPn +hng mt m$ch in *p MM +C 610 +m/!

hi chZ( i* thnh =ng #1y hai m$ch GHng M, ln gi* thnh =ng #1y mm$ch!

D hiu #1y #n 2 2L 2 2ML 2 2L

2t GP tng ly t1m ~ ~ ~ ~~ ~L

2t thp ~ ~L ~ ~ M ~

j0ng ~!Mh-ng *n ti u nh9t l ph-ng *n c% hm chi ph3 t3nh to*n hng nm nhI nh9t!

%@ T7NH T=3N 9J K6NH T $H= $3$ 2H&'N( 3N#.2.1 Ph- ng n 1

2% G0ng 6 liu 6au(

b NM N N~ N NL Nbo$i VV 2 2 2 2 2 2Lbi +m/ , , ~ L,L ~M, ~M, ,

oi M+m/ , M M i M/ L ML, ~ ,M M , M , ~ ]/ ,L~ M, , , ,L ,

j0ng ~!>a c%(

i M L,M!M =

! = =M~ML , ~ +h

C5y tc vh a a /! !c= + + = ,M L , /!

M L,M!M M~ML , ~!

Nguyn nh Thng - Lp HTK !%D


37/69

Tt Nghip Mng Li in ,M!M=

#.2.2 Ph- ng n 22% G0ng 6 liu 6au(

b NM N N ~ NL Nbo$i VV 2 2 2 2ML 2 2L

bi +m/ , , ~ ~M, ~M, ~M, ,

oi M+m/ , , M

i M/ L ML, ~,L M , M , ~

]/ ,L~ M, , M, ,L ,

j0ng ~!~>a c%(

i MM~M, !M =

! = =M LM~ ,~+h

C5y tc vh a a /! !c= + + = ,M L , /! MM~M, !M M LM~ ,~! M M LL, ~!M=

#.2.# Ph- ng n #2% G0ng 6 liu 6au(

b NM M N ~ NL Nbo$i VV 2 2L 2 2ML 2 2L

bi +m/ , , ~M, ~M, ~M, , oi M+m/ , , ,

i M/ L , ~, M L ~, ~ ]/ ,L~ ,M , M, ,L ,

j0ng ~!

>a c%(

Nguyn nh Thng - Lp HTK !%G


38/69

Tt Nghip Mng Li in

i ML ~ , !M =

! = =ML ~ ,~LkWh

C5y tc vh a a /! !c= + + = ,M L , /! ML ~ , !MML ~ ,~L.

M M ,M!M=

#.2.4 Ph- ng n 42% G0ng 6 liu 6au(

b NM N ~ NL L Nbo$i VV 2 2L 2ML 2 2M 2Lbi +m/ , ~M, ~M, ~M, M, ~ ,

oi M+m/ , , , , i M/ LM~ M~ , ~,L M , LL,M ]/ ,L~ ,L M, ,L M,~ ,M

j0ng ~!L>a c%(

i ML~L, !M =

! = =MLLMM, MLkWh

C5y tc vh a a /! !c= + + = ,M L , /! ML~L, !M MLLMM, ML.

MM ~M,!M=

%@% L/0 $H1N 2H&'N( 3N H42 L5 NH T>S +Et qu0 t3nh to*n +inh tE + thu5t trPn ta c% G0ng 6au(

h-ng *n M ~

` GtmaF ,M ,M ,LLM , ML

` 6cmaF M , L M , L ML,M M , ~

M/ ,M M M LL, M M , MM ~M,

j0ng ~!

Nguyn nh Thng - Lp HTK !%


39/69

Tt Nghip Mng Li inV


40/69

Tt Nghip Mng Li in

$H&'N( B$H1N M3Z !6 N 32 9: ,' 8 N?6 6>N

B@" $H1N ,? L&4N( 9: $+N( ,U T $3$ M3Z !6 N 32 Trong ph$m vi thiEt +E A *n ta #ng m*y GiEn *p Ga phavn u t v t n th9t in nng nhI nh9t c% th'!

>r=ng hp ph8 t0i lo$i U cn Ot hai m*y GiEn *p! >rong tr=ng hp cng 6u ph8 t0i qu* l?n +hng chn c m*y GiEn *p, ng=i ta cQng #ng hai hay nhi&u m* GiEn *p! >r=ng hp tr$m chY c% ph8 t0i lo$i UUU c% th' Ot mt m*y GiEn *p nEh thng c% m*y GiEn *p #< trJ lu ng 6n 6ng thay thE cho m*y GiEn *p lm v GB 6< c!

2ng 6u9t c a c*c m*y GiEn *p ph0i c chn 6ao cho 0m G0o cung c9p itrong t4nh tr$ng lm vic G4nh th=ng t-ng Tng v?i ph8 t0i c


41/69

Tt Nghip Mng Li in

C?i ph8 t0i lo$i U( =tsc dm tma!' . +

C?i ph8 t0i lo$i UUU( #m pt maF

>rong %( maF6 ( cng 6u9t yPu cu lZc ph8 t0i crong ph$m vi A *n mn hc ny, ta coi cng 6u9t Bnh mTc c a m*y GiEn *p c hiu chYnh thXo i&u +in +h3 h5u!

4.1.1 Ph ti D h8 t0i U l ph8 t0i lo$i U

MmaF#m

qt6c

M, M , ]C+ M,

= =

C5y ta chn m*y GiEn *p lo$i >Vd L MM !4.1.2 Ph ti DD

h8 t0i UU l ph8 t0i lo$i U

MmaF#m

qt6c

, MML,]C+ M,

= =

C5y ta chn m*y GiEn *p lo$i >Vd L MM !4.1.# Ph ti DDD

h8 t0i UUU l ph8 t0i lo$i U

~maF#m

qt6c

, M,~]C+ M,

= =

C5y ta chn m*y GiEn *p lo$i > Vd L MM !4.1.4 Ph ti DE

h8 t0i UC l ph8 t0i lo$i UmaF

#mqt6c

~~,~ ~,M]C

+ M, = =

C5y ta chn m*y GiEn *p lo$i > Vd ~ MM !4.1.9 Ph ti E

h8 t0i C l ph8 t0i lo$i U

LmaF#m

qt6c

~M,M , ]C+ M, = =

Nguyn nh Thng - Lp HTK !B"


42/69

Tt Nghip Mng Li inC5y ta chn m*y GiEn *p lo$i > Vd ~ MM !

4.1.< Ph ti ED h8 t0i CU l ph8 t0i lo$i U

maF#m

qt6c

~L,LLM L,~]C+ M, = =

C5y ta chn m*y GiEn *p lo$i > Vd ~ MM !4.1.? hng s cc my +i:n p

bo$i m*y GiEn *p

liu + thu5t liu t3nh to*n

` c#m+ C

` h#m+ C ` n

+

+ U z

+Cr

> Vd L MM MML MM M ,L M , ,L LL,

> Vd ~ MM MML MM M ,L M L ~L ,L M, ~,L

d4nh !MB@ $H1N ,' 8 N?6 A)Z T


43/69

Tt Nghip Mng Li inUU

d4nh !4.2.2 56m t5ung gi"n

7 #8ng 6- A h thng thanh g%p ph1n o$n( >S nguAn in

"En tr$m cui

d4nh !~

4.2.# 56m cu i Vo yPu cu v5n hnh +inh tE tr$m GiEn *p +hi ph8 t0i chE c


44/69

Tt Nghip Mng Li in "i v?i h lo$i U nEu trong chE c


45/69

3n MYn H\ Mng Li in

4.2.4 F n i /0y chi ti:t %-i in

c p 2

N

] 2 b b

c p 2

N

c p 2

L

c p 2

N

c > V d M

N N N M M N

c > r V d c

L N N N M M N

c > r V d ~

c N N N M M N

c > V d M

N N N M M N

N + m

~ M ,

c + m

h N + m h

, N ~ + m

c p 2

N

c > r V d c

L N N N M M N

L , L

+ m

c p 2

N

c > r V d c

L N N N M M N

~ M ,

c + m

Nguyn nh Thng - Lp HTK ! BC


46/69

3n MYn H\ Mng Li in

$H&'N( CT7NH T=3N 2H)N !? $+N( ,U T TN T7NH

T=3N $H ] ^3$ LF2 $_0 M[N( 6>N

C@" T7NH T=3N $H6 T6 T ,/ 2H)N !? $+N( ,U T TNau +hi : tiEn hnh l


47/69

3n MYn H\ Mng Li in

M

M

M,M ML,

M ,!M

d Z j

BS

= +

=

>ra G0ng !M c% c*c thng 6 t3nh to*n c a >j (

( ) ~M M M

M M M

/ , M ,M~ M , ,

M M / ,M ~,~L/ M, L M,L

S ! j " j j #V$

Z % j& j j

= + = + = +

= + = + = +

> n th9t cng 6u9t trong c*c cun #1y trong m*y GiEn *p tr$m M(

M MM M

M ,MM, L M,L/ , ~ ,ML

MM

dm

! "S Z

'

j j #V$

+ =

+= + = +

2ng 6u9t tr?c t ng tr GM c a >j M(

M M M M ,M / , ~ ,ML/

M, ~ , S S S j j

j #V$

= + = + + += +

2ng 6u9t vo cun #1y cao *p c a >j M(

M M M, ~ , / , , /

M, ,]C( S S S j j

j

= + = + + += +

2ng 6u9t in #ung cui =ng #1y(

MM M ,!M !MM ,M ]C r (( dm

B" ' = = =

2ng 6u9t 6au t ng tr c a =ng #1y(

M M, , / ,M M, ,]C( ((S S j" j j j

= = + = +

> n th9t cng 6u9t trPn t ng tr =ng #1y(

( ) ( ) ( ) ( )( )

M M

M, ,! M,M ML,

MM

, , ]C

d d dm

! "S Z j

'

j

+ + = = +

= +

Nguyn nh Thng - Lp HTK ! 47


48/69

3n MYn H\ Mng Li in2ng 6u9t tr?c t ng tr c a =ng #1y(

( ) ( )M M, , , , M,L ,~~

d S S S j j

j #V$

= + = + + +

= +

2ng 6u9t in #ung u =ng #1y NM(

c#M ccM ,M ]C r

2ng 6u9t tS nguAn in cung c9p cho =ng #1y(

( )M M M,L ,~~ ,MM,L ,LLM

) (d S S j" j j

j #V$

= = +

= +

9.1.1.2 G ->ng /0y NH2I NH#I NH4I NH9I NH3nh chE c a c*c =ng #1y N , N~, N , NL v N c tiEn hnh t-ng

-n gi0n ta Gi'u #i)n +Et qu0 t3nh to*n trong c*c G0ng!>hng 6 c a c*c phn t7 trong c*c 6- A thay thE c a c*c =ng #1y cho trong G0ng

c*c #@ng cng 6u9t v c*c t n th9t cng 6u9t trPn c*c phn t7 c a m$ng in cho G0n>3nh to*n t-ng t< cho c*c o$n =ng #1y +h*c ta c% G0ng +Et qu0 6au(

Nhanh #i / j M / i ]C /

Gi / i ]C /

N"M M,MML, i M ,, , M, L M,LM,M

N" , L ,Mi M~ ,L , , M, L M,LM,MM,

N"~ M~, MM , Li M, , L , ,~LM~,L LM ,M

N" , ,Li M,L , L , ,~LM~,LM~,

N"L , ,i M,L , L , ,~LM~,L~ ,M ,L

N" ,,Li M , , , LM ,L~ ML,

j0ng L!M

Nguyn nh Thng - Lp HTK ! 48


49/69

3n MYn H\ Mng Li in

Nhanhi maF

]C / j

]C / 2

]C / 2 ]C r/

]C / #

]C /

]C / G ]C /

N"M M,LL, , , M, , ,M M, ,L ,LM , M,L M, , ~

N" M, , , ~ , M,M, M, M,M, , , M, , M,M ,

N"~ L,LM~, , , L,MM~,~ ,L L,MM , , , L,LM~,M L, M ,

N" ,M~, , LM, ,MMM ,LM , ,MMM~,L ,LL ,L~ ,M , L , L

N"L ~M, ML, ~ , M,~ ~M, MM,M , ~M, MML, ,~ , ~M, M, ~ ,L

N" ~ , ML, L , LM,M~ ~ ,M M,M M, ~ ,M ML, , ,M ~ , M,~ ~ , LM

> ng ML , , , L, ML , ,M ,

j0ng L!

Nguy n nh Thng Lp HTK ! 49


50/69

3n MYn H\ Mng i Sin

9.1.1.# $0n +Jng chiLnh M"Lc cng su0Lt t5ong h thLng > Gang 6 liPu ta co tng cng 6u1t yPu c1u trPn thanh go p MM +C cua nguAn in(

yc

= ML , , ]C

"P am Gao iPu +iPn c1n Gng cng 6u1t trong hP thng, cac ngun iPn phai cung c1 pu cng 6u1t thXo yPu c1u! Ci v1y tng cng 6u1t tac #ung #o hP thng va nha may c1n phaicung c1 p(

cc ML , ]

hi hP 6 cng 6u1t cua cac ngun Gng ,L thi tng cng 6u1t phan +hang cua hP thngva nha may iPn co thP cung c1 p(

cc cc tg ML , , L, ]C r

Nh v1y (cc

=ML , L, ]C

> +Pt qua trPn nh1n th1y rng cng 6u1t phan +hang #o cac ngun cung c1 p l-n h-ncng 6u1t phan +hang yPu c1u! Ci v1y +hng c1n Gu cng 6u1t phan +hang trong chP phutai cc ai!

9.1.2 $h: ph ti c&c tiOuXt chP v1n hanh +inh tP cac tram ha a p +hi phu tai cc tiPu!

>rong chP phu tai cc tiPu co thP ct G-t mt may GiPn a p trong cac tram, 6ong c1n phai thoa man iPu +iPn 6au(

pt ghmn

n!

n M/!

< =

" i v-i tram co may GiPn a p thi(

ghmn

!

=

" i v-i tram co M may GiPn a p thi( ghm =

P t qua tinh cac gia tri cng 6u1t phu tai va cng 6u1t gi-i han(

Nguy n nh Thng LpHTK !CO


51/69

3n MYn H\ Mng i Sin

hu tai +/ N +/ m ]C / pt ]C / gh ]C / ]j

M M M L M , M~,~ M

M L M , M M , ~ M

~ L M L ML, M,M~ M

~ M L ~ M,~~M ,LL M

L M L ~ M,M M, M

~ M L ~ M,LL~ M, M

j0ng L!~2ac +Pt qua tinh toan - trPn cho th1y rng, trong chP phu tai cc tiPu t1t ca cac tram

Pu v1n hanh M may!

>inh toan t-ng t chP maF ta co Gang +Pt qua tinh toan 6au(

j0ng thng 6 c*c phn t7 trong chE c


52/69

3n MYn H\ Mng i Sin Tbnh tcRn R deng Yng fu t R tjn th t Yng fu t tk n R phVn tl ma

Sino

- A nguyPn lD v thay thE c a m$ng in trong chE 6au 6< c cho trPn h4nh L!~

d4nh L!~

Et qu0 t3nh to*n m$ng in cho trong G0ng L!L trang L /

Nguy n nh Thng LpHTK !C

> i

imi

=P

imi

;Q

imi

V+

>i

, ,,

i? "

di

"i

0Qcd

Qcc

a)

")

a @ AB gCDE -FG " @ AB thaD

thH

imi

=P

imi

;Q

imi

V+


53/69

3n MYn H\ Mng i Sin

A iV+

IV+

d

V+

IIV+

c Q

V+J?

V+

"

V+

"

V+

N-" M , M,M~ M , ~,~M ,M ,M , ~,M ,M , L,~ , L, ,

N- MM, ~ MM, ,L ,~ ,~~ MM, L , M, MM, L, MM, ML,

N-% M , ,L M ,,M , , L M~, , ,L M~,, M~,,M ,

N-B M,,Mi M,,Mi , ,M M,L, , M,L, M,L , ,

N-C ML, ,L ML, ,LM ,M ,M ML, ,~ , ML, ,~~ ML, ~,M~ , ~

N-D M,,MLi M,, ~ , M , M,,M M, M,, M,~, M , ~

Tjng L, ~M,M , L,~ ,MLL~,~

j0ng L!L

Nguy n nh Thng LpHTK !C%


54/69

3n MYn H\ Mng Li in

9.1.2.# $0n + ng chQnh Mc cng su t t5ong h th ng > Gang 6 liPu ta co tng cng 6u1t yPu c1u trPn thanh go p MM +C cua nguAn in(

yc

= L, ~M,M ]C


cc L, ]


cc cc tg L, , L~, M ]C r

Nh v1y (cc

=L, L~, M ]C

> +Pt qua trPn nh1n th1y rng cng 6u1t phan +hang #o cac ngun cung c1 p l-n h-ncng 6u1t phan +hang yPu c1u! Ci v1y +hng c1n Gu cng 6u1t phan +hang trong chP phutai cc ti'u!

9.1.# $h: s& c hi FXt 6 c t mt mach l +X p ta +hng gia thiPt 6 c FP p chng nPn ta chi FXt

tr-ng h- p ngng mt mach trPn cac -ng #1y ni t nguAn En cac phu tai +hi phu tai ccai!

>hng 6 =ng #1y trong chE 6< c(

Nhanh#i /

j M / i ]C /

Gi /

i ]C /

N"M ~ , ~ ,i ,~ , , M, L M, M,M

N" L,ML,~L , L , , M, L M, ,

N"~ , , ,L~ , L , ,~LM~, LM ,M

N" M ,LLM~,M , , L , ,~LM~, ~ M ,L

N"L M ,L M~,M , , L , ,~LM~, M~,LL

N" M~, M,M L~ , , , LM , ~ ML,

j0ng L!

Nguyn nh Thng- Lp HT K ! CB


55/69

3n MYn H\ Mng Li in

Et qu0 t3nh to*n m$ng in cho trong G0ng L!(

A iV+

IV+

d

V+

IIV+

c Q

V+J?

V+

"

V+

"

V+

N-" M,M ,L M,M ,~ M, M, M, ,M M, M, , M, , ~ , ~ ,

N- ,L MM,L ,L M ,~ , L ,~L , M , ~ , , M , , M ,L , ,

N-% , M ,LL , M , M,~M,L L,M M~,M , L L,M M~,~ L, M~ ,

N-B ~M,L M,L ~M,L M, M,~M,~~ ~ ,M ML,M , ~ ,M M, ~ , ML, ,

N-C ,~MML, ~ ,~MML,~ M, M,ML ,MMM ,L , ,MMML, , LM , , L

N-D ~~,L M, ~~,L M,~M M, M,L ~ ,M M, , ~ ,M M,M ~ , LM,

Tjng M , ,MM M ,, ML~,M ,~ , , ~

j0ng L!

Nguyn nh Thng - Lp HTK ! CC


56/69

3n MYn H\ Mng Li in

9.1.#.# $0n + ng chQnh Mc cng su t t5ong h th ng > Gang 6 liPu ta co tng cng 6u1t yPu c1u trPn thanh go p MM +C cua nguAn in(

yc

= M , ,MM]C


cc M , ]


cc cc tg M , , M , ]C r

Nh v1y (cc

=M , M , ]C

> +Pt qua trPn nh1n th1y rng cng 6u1t phan +hang #o cac ngun cung c1 p l-n h-ncng 6u1t phan +hang yPu c1u! Ci v1y +hng c1n Gu cng 6u1t phan +hang trong chP phutai 6< c!

C@ T6NH T=0 N 6 qN 02 T0q6 $0 $ 6 rM NUT $Ur0 M0qN( 6 qN9.2.1 $h L phu t"R i c-c "i

"in *p t$i thanh c*i cao *p c a nh m*y in +hi ph8 t0i c


57/69

3n MYn H\ Mng Li in

Et qu0 t3nh to*n trPn thanh g%p h$ *p c a c*c tr$m quy i v& in *p cao trong ch

ph8 t0i c


58/69

3n MYn H\ Mng Li inj0ng L!

9.2.# $h L s"u s- cL "in *p t$i thanh c*i cao *p c a nh m*y in chE 6au 6< c(

? dm110#. 1,1.110 121'V= = =

2hn in *p trPn thanh c*i cao *p hP thng l M M +C `c6 M M +C/! Xt tr-ng h- p 6c +hi ngng mt mach l +X p!

2hn in *p trPn thanh c*i cao *p hP thng l M M +C `c6 M M +C/

>a t3nh cho =ng 1y ni nguAn in v?i ph8 t0i M NM/

"in *p trPn thanh g%p cao *p c a tr$m M GHng(

M MM M

! !

M,M !~ , ,~!~ ,M M MM~,

M M

d d *S d *S

*S

! % " & ' ' ' '

'

kV

+= =

+= =

"in *p ph3a thanh g%p h$ *p c a tr$m M quy i cao *p(M M M M

M M M MM

! !

M, !M, L , ~! M,MM~, MMM,

MM~,

+

! % " & ' ' ' '

'

kV

+= =

+= =

>3nh in *p trPn c*c =ng 1y c@n l$i c th


59/69

3n MYn H\ Mng Li inC@% 6JU $HvNH 6>N 32 TN

"in *p l mt trong nhJng chY tiPu ch9t lng in nng quan trng! N% 0nh hnhi&u En chY tiPu +inh tE v + thu5t c a c*c h tiPu th8! 2*c thiEt GB in chY c%vic tt trong nhJng tr=ng hp in nng c% ch9t lng cao!

2h9t lng in nng c *nh gi* thng qua c*c chY tiPu v& lch in *p, ng in *p , 6< +hng i FTng v +hng 6in! >rong % chY tiPu v& lch in *tiPu quan trng nh9t! "' 0m G0o c lch in *p c*c h tiPu th8 trong ph$m vi php ta cn ph0i tiEn hnh i&u chYnh in *p thXo c*c c*ch 6au(

>hay i in *p c*c m*y ph*t trong nh m*y in!

>hay i t 6 GiEn trong c*c tr$m GiEn *p chn u i&u chYnh c a c*c m**p/

>hay i c*c #@ng cng 6u9t ph0n +h*ng truy&n t0i trong m$ng in !>h


60/69

3n MYn H\ Mng Li in>rong chE 6au 6< c(

` yc6c m , L! m ~L , L!~L ~,L +C

Et qu0 t3nh in *p trPn thanh g%p h$ *p c a c*c tr$m quy i v& ph3a cao *p tron

chE c


61/69


62/69

3n MYn H\ Mng Li inC@%@"@ @ $h S} ph~ ti tiu

"in *p t3nh to*n u i&u chYnh m*y GiEn *p

minM min

min

! MMM, !~LMMM,

~L

+ hdmd(

y(

' ' ' kV

' = = =

2hn u i&u chYnh tiPu chun n M~, +hi % in *p c a u i&u chYnh ti` tcmaF M ,L +C G0ng ~/

"in *p th


63/69

3n MYn H\ Mng Li in

C@%@ @ $h\n R SVu Sizu h{nh tkcng R Ry si n Rp ma R tk en `i

2hn c*c u i&u chYnh c a c*c m*y GiEn *p c@n l$i c tiEn hnh t-ng t

do an mang luoi dien thang

Documents