NGHIÊN CỨU BỘ AVR CHO MÁY PHÁT ĐIỆN.pptx

7/24/2019 NGHIN CU B AVR CHO MY PHT IN.pptx

1/17

NGHIN CU B AVR CHO MYPHT IN 3 PHA

Nhm 22: HUNH VN ,L HU TIN


2/17

S lc m !"# $%&' 3 !"(A: Automatic

V: VoltageR: Regulator(B iu chnh in p t ng)

S#(#)*+c,-' $.'/ 0'1

R)#)*+c,-' 2,(1

N/,' "% #%4!c") AVR

C,-' 56c" #7c8( m !"#

M 9%4' !:6c" #7 S#(#)*

B- c";'" l,


3/17

Phn cm (ROTO) 1 nam chm in (c nui bi daong 1 chiu) c th qua !ung quanh t"#c c$ %nh t&o"a t' t"ng bin thi*n+

Phn ,ng- (STATO)- g.m / cun d gi$ng ht nhau 0 2chth3c4 5$ 06ng 07 c b$ t"2 t"*n 86ng t9*n :ch nhau 1gc 1;


4/17

GiI THIU AVR(Automatic Voltage Regulator)


5/17

1+>2nh n?ng4 t@c d#ng cAa BCDE Fiu chGnh in @H m@ Hh@t in+E Ii3i h&n tJ 5$ in @HKtn 5$+

E Fiu chGnh cng 5uLt m@ Hh@t in+E MN t"' in @H 5u gi7m t"*n ng d+


6/17

a+ Fiu chGnh in @H cAa m@ Hh@t in

M iu chGnh in th tO ng :un :un tho di in pu ra cAa m@ Hh@t in4 07 so snh n vi mt in ptham chiu+ Q Hhi a "a nhRng mnh :nh tng gimd!ng in "#ch th#ch5ao cho 5ai 5$ giR in @H o c 07in @H tham chiu :7 nhS nhLt+ Tu$n tha Ui in @H cAa

m@ Hh@t in4 ngi ta chG cn tha Ui in @H thamchiu n7+ Fin @H tham chiu thng c Vt t&i gi@ t"%%nh m,c hi m@ Hh@t 0Wn h7nh c :H (X5o:atd) hoVc :7in @H thanh c@i4 in @H :3i t&i ch 0Wn h7nh h6a :3i(Pa"a::d)


7/17

b+ Ii3i h&n tJ 5$ in @HKtn 5$Yhi hi ng mt tU m@4 :Zc t$c qua cAa Doto" c6n

thLH4 tn 5$ Hh@t "a 5[ thLH+ Yhi 4 b iu chGnh in @HtO ng 5[ c "hu$nh h%ng tng d!ng "#ch th#ch &'n 5aocho A in @H u "a nh tham chiu tho gi@ t"% Vt hoVcin @H :3i+ Fiu n7 d\n n qu@ 2ch th2ch- cun d"oto" 5[ b% qu@ nhit4 c@c thit b% n$i 07o u cOc m@ Hh@tnh bin th ch2nh4 m@ bin @H tO dNng] 5[ b% qu@ 2chth2ch4 b^o h6a t'4 07 qu@ nhit+ >hng t$c m@ Hh@tcn &t n _` t$c %nh m,c+ M iu chGnh in @H tOng cng Hhi :un tho di tJ 5$ n7 iu chGnh d6ng2ch th2ch cho HhN hH4 mVc dN in @H m@ Hh@t cha &tn in @H tham chiu+


8/17

c+ Fiu hin cng 5uLt 0 cng cAa m@ Hh@t inYhi m@ Hh@t cha Hh@t in 07o :3i4 0ic tha Ui d6ng in2ch t' chG tha Ui in @H u cOc m@ Hh@t+>u nhi*n hi m@ Hh@t in c n$i 07o mt :3i c cng 5uLt

"Lt :3n 5o 03i m@ Hh@t4 0ic t?ng gim d6ng 2ch th2ch hu nhhng :7m tha Ui in @H :3i+ >@c d#ng cAa b iu @H hi hng c6n :7 iu hin in @H m@ Hh@t nRa4 m7 :7 iu hind6ng cng 5uLt Hhn h@ng (c6n gi :7 cng 5uLt 0 cng4 cng5uLt o) cAa m@ Hh@t+Yhi d6ng 2ch th2ch t?ng4 cng 5uLt 0 cng t?ng+ Yhi d6ng 2chth2ch gim4 cng 5uLt 0 cng gim+ eSng 2ch th2ch gim nmt m,c n7o 4 cng 5uLt 0 cng cAa m@ 5[ gim !u$ng


9/17

d+ MN t"' in @H 5u gim t"*n ng d Yhi m@ Hh@t in 0Wn h7nh c :WH4 hoVc n$i 07o :3ibng 1 t" h@ng :3n4 Yhi t?ng ti4 5[ g "a 5#t @H t"*n

ng d+ #t @H n7 :7m cho in @H t&i h ti*u th# b%gim tho t?ng ti4 :7m gim chLt :ng in n?ng+ Tu$n gim b3t t@c h&i n7 cAa h th$ng4 b iu @H HhidO o@n c h n?ng 5#t gim cAa ng d4 07 t&o "ain @H bN t"' cho 5#t gim + >@c ng bN n7 giZH

cho in @H t&i mt im n7o 4 giRa m@ Hh@t 07 hti*u th# 5[ c Un %nh tho ti+ Fin @H t&i h ti*u th# 5[gim i chZt 5o 03i ti4 t"ong hi in @H t&i u cOc m@Hh@t 5[ t?ng i chZt 5o 03i ti+ F c dc t@c ng n74ngi ta a th*m 1 t2n hiu d6ng in 07o t"ong m&ch o:ng M iu @H tO ng 5[ c?n c, 07o in @H tUng hH n7m7 iu chGnh d6ng 2ch t'4 5ao cho in @H tUng hH nit"*n :7 hng Ui+ Qu c@c cOc t2nh cAa bin d6ng o :ng07 bin in @H o :ng c n$i 5ao cho chZng t"' b3t:\n nhau


10/17

2. Gii thiu cc loi b t ng iu chnh in pTji h th$ng 2ch t' cAa m@ Hh@t c t"ang b% mt b tO

ng iu chGnh in @H (Butomatic Co:tag Dgu:ato" kBCD)+ M BCD c Lu n$i 03i c@c bin in @H mt Hha::


11/17

S@ NGUYN


12/17

un d 1; :7 cun d cLH ngu.n B cho m&ch2ch t'+

un d /p :7 cun d h.i ti*H+ Q o :ngin @H "a cAa m@ Hh@t iu chGnh 2ch t'cho HhN hH+r4 :7 cun d 2ch t' t"ong "oto" cAa m@Hh@t+


13/17

Nguyn l lm vic:N/,' 56c" #7 $c c";'" l, 2,( c, D%)DE PB=FF #"'" m-# c"%,J %&' !

m-# c"%, ' $c cK! $%&' c") c,-' DL 56c" #7 2,( $%, c";'" c8( c!#*('%#)* D(*l%'/#)' Q= H=F=JC! (*l%'/#)' ' $c !"L' cc 9'/ > $%&' #* >Q:)"mW X )'/ )'/J N"ZW '4, 5"['/ c\ /] #"( $^% $%, c";'"W #*('%#)* Q= _ 9`) "a(J G' '"#)' 9- $%&' ! $# l0' c,-' 56c" #7J


14/17

C,-' DL 3b _ "% #%4! $%&' ! *( c8( m !"# mc" $%, #"4J N4, m !"#c) $8 $%&' ! $d'" m.cW U "% #%4! eK! e; >VACJ S(, 5"% c";'" l, _ *( >VCJ%&' ! ' $c $( 2,( 9- lfc QF g Q h iJ (, $\ 2,( c, !"L' ! #"'"WVJ N4, $%&' ! *( m !"# lj' "' >>FW $%&' ! "% #%4! _ lj' "' WVW lm

kE''E* V D'W T*(' H=F= D'W lm /%m 9j# Da'/ !"L' cc c") c!D(*l%'/#)'J N" $\ /%m 9j# Da'/ 56c" #7 l%J


15/17

N"n'/ "]'" '" #"c #4

M !"# $%&'


16/17

BCD


17/17

HoT

Cm ' cc 9' #" #"E) Dp%q

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NGHIÊN CỨU BỘ AVR CHO MÁY PHÁT ĐIỆN.pptx