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the hn y@uewvchn LF iw ckcébvc, cm 1F W m,kEpR J c Ssph 1 lpb giD œt nh Ì m vệ c#c€Ẵ$&vl,n œ nhau trong ton h thng nhP BbGm F 1liŒn@ cung @ 'n'" cao rữ B® ch ú mc
thÐ nh C gian mg cung 'S n TL x 7 1 fg nhara—h:
5 k O mg Whank® (hay anlgc Ftcao) t' tÌ#L, J Lng Gh nj i F Y tm quB 50rés 5( chu ks Dm cP G a @«Jsc ngLnglm 50Hz)
5 k O HG vK.Da\g LE Ong trWtiE ằmi kh ng th ng qua kktả tr
th AL J L D Ong c3 U REữŒ Ð HW 1 EF
7K { O#đ haW KhiiPni WQ@ ?' OK Dyke tj c WømngFthay
th 1fO Q KhWi F 'ứJlĐ âdj tiLR ở Lriy Œh ny igh 50ms
Trang 17Ngo i tL JI Lrg @°D W UR Dđ#r nharïh Iph &@ S§ xc co ph @ thuc v o £#'` thao t#œ@ my đW n CEc m#y†fn t EH cao hid ¥ c tH gian th@m #20 n60ms (t on 3 êềhu 30Hz) nhg mãy t W K { @qJc WlKg/an thao tH&c kh at duc&kitosg 100 msdb0Hz)
l1 K mw th¥Y gian¥lés vc (th giam wic c$ b$§ ve.ng vi tH gian thao t#c mm) kh&& t đ 8 chu tho J 0 RV V1 C#CG@bv,W in nhanN.P nhiŒưệ§Èyph#t mv, cEch le tb”
Sic c ng nhanh c hguÿỳ nhiŒn ki kh Vi yEuwecm 1F thos mần yEu & Wagi rhanhrephi Ss @g nmg 1# bSv phe ts W J tin
Xx ah y:
nh F mW Um 900 cH IKrRschw KD U & HtHng KSRV,,
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nh ¥ thr tte & b§$ vph G@huc v o nhiyuˆt WURQng nt! y T X phiSk' nt:
— Ch ^ l m vẻd c& hthng(m F Kn#& ngu) — Cưửnh nh°ÐB Om L
- D & not m@& vo W Umtngr miéh - Nguyén 1 l mvfD UkKOH
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2, cn CH$ dd, ph ng t fđf 1,35
xT nh kinhét
C#c tH b5 & v, m l† t treng KRh/ng pSL lm vịt As Km xuyŒn trong chy ^~Q K j Q #g,m: u&#zÐ X luWnKlm ms ng Gh
Trang 18nh, v únkh ng th § Qc c#cmyŒœ n y 3ä fOƯQ n hu^qut§1 HK cho + 7,
1vL LOnmtring Ap €p,hs Ongckc pk te © c b& verwv ln, vo y@uxci w thi E6 § vkh ng caonb thi BSv XEc nh
P 1 \y ho FO mn trby tt Sao Ep ¥ cœw ph§ c n đht nh kinh t trongalcm thtt bh § vsao cho c ‘th DSR c Bm yEurck ơ thuE v c chi Phnhitđtrong qu# tr nhgxmw œ#c nh mZyt nh1
ncrh°\ n trửn to n.qu
2.3 & 1 EF 5S Ksnb& O J igWky trnyt§L n L
1 VL &g my tmySlL n cab Ep trotm@ © Jn ng & nay masa @g ci F fHuk & Hh % ÐĐ KŒ@œmqư#cliecD(@ QI
LkhiQ rđ,L lĐ @ TT X i G zmœ@ Đ0/5%W, {50NếS1l,v Que
G z Q 0ng & /67/MN§Svkhođg c#ch 21/21&,vsoọ h,œ 87L
H nh 2.1 6 [ SoKOeF +0 GED #b Klavetrld+t Tí L 2.3.1 6 vquE dng
Bé@6v T X 1đ @ b QnưƯtrong rưq b§ v , m sai Øg phblf v mg r4i nh trond tSF iF SK nwmkwvb, Zo 8 Khtc&tr@oM tra”
GzQ Mdm b@an ton cho cfcbhtklail 2 J Q L, @xaq Oj nguyŒn 1 1 mFvi O ở Z \ ` nioyKkh n@© cachi yoiah tc
Trang 19C#c b§ vqu# d ng t[ QO si Øc am b v Tự X ¡ GnugBSFy
v ,.TXi GzQD YUOR@Ki \y mDS th Mm chkam
th nh ® vquE d ng Wouyn theo JcLđ â & vquE d ngiv œ tum tHE gian @Øhuc
2.3.1.H ở vQu# d ng c itdgien (51):
xNguyŒn Ì l msvdâ b vqu# d ng c itlgi#an:
B 6 vdqu# d ng c 1tbiãm§ bột nữưh W Whngphn @ tỉle gian
KL % hWU T XIDt qÚZkơgjXt ng WklêẪL Q J xi CN J Im
W U R Qđ@vsklkơgD ab E
Th # gian l m v?D U k ht thBoy W K — o t nhAih JjcLE2 Q
— œ t nh ## gian @huc
Th # gian l m về b vqu# d ng c #tbiamằm §Ậý⁄ c pm I vi nhau mE c#ch thch 'ˆ 8 bết nh đa lỞb ng cŒch đhnh1Q W # Q gian Đ dnôsau m mt @đ boĐ$v,theo chitt$ vngun vi
t’ 0,3 O,s xB 8v quE dngc #tgian ry k in ET 2.1 k: hạ ch © KOQ K fg WK DS 1, Tu ” đ 0 wm vi hlnH œ tHPb“ mbŠ v xB 6Š vqu#d ng thÈt kh ng c thoơấan TT RE đai PT 2.2 7TURQJ y k,: Ih s ch Rđh,k 0,1 Ơ, I dm BI * id Q Jn nhiImc ce BI nw SIN 2.3.1 vQu# d ngtcnhanh Cheng ta mht rQ J1 vị lh§ v ý X 1 G z Qđđj c Wokgh«anJ W th# giantma@ m@h c ngnJd th tèho t] nợ†t mến gx nguQ AK m th mF nguy hiP FDR w& Kadkt@ nd nhantc ng tbh S vckc
K W
Trang 20= W ứicR lị A WW #EQnafdzn6 bqu# d ngtcnhanh
ct nhanh c kh §Q Jc Om PF YWLU R—Qu7h nơ trh k'
ngu nhay nhĩ ngưn cung tS ml œ9 n L ccfdti ly nhanh s v1 œc ng ung mến h 34 mã ngứa Tuy nhiŒn v觜 kh ng bao
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iv mt
WU PF KWR JjOmlH6W& jOQ kX E#FKnt liãmhE @j1đ® Q Km b@6 vn, y
xNguyŒn 1 l msvdiâA bế vdqu# d œ cử nhanh:
Bé@6v Tạ X1 TW bzŒ Hh RữhlỞỮb ngph n c8 G Chưứữn Ic theo
G Z QOnJdiscrimination by cufrẻ#rfKfl›»KDL OGH OT X Dtlqukk OH
gik trng k#L QJ a «=o UW Ong V
xB Š vqu# d ng t nhanh:
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7 URQ7 y
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5 ON
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7URQ7 y
k.: Ios at an toh, 1,1 1, a
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2.3.1Bh ¥ be cEc & vO
xPh ¥ hk cE&c ® vVOW K HR W:G zQ J L
k \ © 7 S Kim lhhQWJ ZWSHKnH Bmp ttYơđag c#c tt Bo$vi , U k9 nh NopyG@pm pony l1 nguyffib-E
th# gian#cbx§ vsạo cho Q Ktk khe@g ROE gian an tffcsa vith# JILD &g W anh œ œ boSvlin k WOm (t nbhta pe FS v ngun) T K { Q @ nh M@h c ngrgngm th d nợn rmưyếïi c ngnl vo dng ngm&h ny gif de khi W Umtngntmé&h c ng xa ngủ YŒu c«eX t ra» #k \ i phjlb SEK @®v W ing theo d ngimgeh
ĐT 3.3
Trang 21VDR FOK«R m co] MG nis “W ink cd tn#y tÈm ti gian tc ng ga c&c @vv,fl ch Q WokKtHnR Aih JcLeD Q
1 Kmm c?pD`) SKmkQ J w Sh bữSc nộ tungd Wh GF
ngun v fứq tê #u dgi D K&DWody›»W Uk Qibi @hj WD
h S me bé t nh rrhlc ch nh x#œ8 ®$ ve, tHe `N K {fđObe 1 VÏ C#c ng m Đ 'ôngun c c ngtsugd mến bro ng m&h he
ng r mến quang t gi# km Do nhỌ Ở Kk KPm LW Ủ r Q P J
phEp ph hs WKH R @4@MmO IbGvceckco mH Ye c ng
sut ngm t Bang v9 chotmd¥g nm m@h 3 K npkEO vd y t nh theo dng n@ m@ pha va tm gif th) @ b§ v,V DR FOK«R m Uk O48 sr nht’ sW ing
xB @ vOuE d ng aw @ tus thelb JaL1 Q
B $ vdquZ dng c ltm vif WoXtHrnR Mih JcLIIEBEO &g 1)m ito ph @hu F fg 2)miohn hS #g 3n ) äg4)m TR gian Ì m vá bá v Ƒ wt nhãn JcLibkh ng pbh® v o brd7ng nø tiến hay wr mm K 1 l đ8OV Ƒ y> E nh # gian @huc th #h
J 5 D@œg tẾ ngtch vềL G z Ql#ƒ qua đL ý, d ng rgmẻenhn cong
lnth Eh J Lnờ @ ngWbØ.F
1 Xm cáIdcđ*#q b§ v © j ` © 3 P 1 EF E đ@W$ W9 RK K R ¡i RĐ©O
g1I8 v đp cốc THLE JeL@® &ce @vph SD c pm lp vi nhau sao cho c cth ng m@h mt c&ch nhant mh WO m bSẽ c tmnh chn lc c cEc @v
Trang 22H nh 2.2 ?c t6yb +†+cŒyu# d ng
œ nh #lpianácb§ vqu# d nộ nh2.2: c E (1), @huc (2) v
hn hp (3)
Hi Q QDQ\J WGK mQ#EJ i ® Bim kZ#@ đ v qI@# Kl infnlkS K Oj SKmkQL FJRDO WH K BH phe keh @iJ tiEL
JLDQ đ.j GzQ7 L
xB đẻ vOu# d ng œ @ tu thề gian pmihua:
B@Gv Tạ X1 GeztQMmIthHr y JcLEĐt@ong nHi Ay Homkh th 1 hi Q c km§$Q QiJt 8iKc#cé@bvjlin km vfQ m bS§R c tmnh
W ing nhanhach$ v .Mt trong §hJ S Km kcQWWIØ SŒ#jtá O Nnk sad @ b§ vqu# d ng Wứ œ tum the gian @huc Hm nay cc
5 Km kcQtJnh Wo#r#Ơ đhQ K Uk OHV Tk t nh &lyji@n Gh V
thu F G#ờ vchfy ldưv Œtrichtmp nŒn tr€m th fo F Kem D I
thng nH vm » 1 thy xX LO j \ JTIk \cHNtK Y kKNPKnh QO EF K
cEc gik th ~
PhihS » tum th Ajianach$ v T Xi G z QL7n hWhH Ri@ £ho Om W Hgmh SŠ œ tuý phØhuc nh22)
5 k O48 T X& @ tu%é 2H dian imu F c sm CO J F KR Fo§aiesr
đa ng sc1Ibifđ thiŒn #9 K N Kilvtr Woh DY K m@ Ray wunMm
Trang 23nứ sal Øg otuyOc BP th nei N K Lm FNSX { Euikth kí L thuE: ti gianửcsc , Qnh cahthng Ha ODI] WW mg y Ep dig chF Qo WquE dEn§ Wo tum thE gian @hu F QtK m
bGv WK { @Qthay Kho*cE U keOtifQ £ Đ
1 vl P1 E U k ® Huy WlHf£ gian @lmìi© œ@7j qtl#ữ@ l@L n L F k°D F/LrQ ; { #O "ØJc tut>Ki€uOchttmg gÌr,'EFh 1 E
WK DL\ WKHR FUiCSF iUFk OUHk Ohh} WERK@mnJ7t Geo J on 1Q © KhPHOQV $ / 6 7ử t0 chpháé§K BolLtus %
c bv pt@thuc Gik tm d ng K#huc tl# gian c ' tìinữ fhhi F bng mt trong ba c#ch sau:
— ' m đđq c#c œq g1i# Šä©rd nœh# gian
— ” md J EBhĩOPR J D IDIéj F k V - ' m Wg ck&c c ngkRY¥s
Hin nay tr€m tfEn t nht titu chu Z#O ai FO Revi JthHE gian ph @huc c@ bS vquE dng © Km mWwal rank fEhH-K n gud t (IEC), @4Vin kf&hu-wW n nk M RIEEC)Vin ti€u ahiguc gia
Hoa K (ANSI).T.U RQ J nyIECW (LE€2SÄ5- E Kekiigph bin
nht' Ti@u mhũiEC255 bao múq c#c h œ tuýOQ l g kh#ữc nhau: — dc chư (TEC283A)
— R Œ (TEC283) — C œ dc (TERC2tEf#f ) 2.3.2 Š vsọ gh dc
Hin nay ®vso h,œŒ lÌ (đẲ$Ằv , m vyữŒu & sœl ấg trứn to akb
do
Myo dy tmySt ,O TL N 9 c sad @g MhHSin YtrEn cHam
#o d y 110kVS Bso th,dF Z£O đã Gk \\ c#cDWOQtJQ R# «m X
v yu @ c°D USkv@rbing Bh Q ở Om béSc#c @ tv tin wv - cao, c t michtuyWi, t&L J LU Ø @ K Bn K cao V
xNguyŒn 1 acb® vso ch, de:
BGvso ứh 1 1 mvtheo nguy€n 1 sozs@nhiQOd YLJ, cFhii QO J theo nguyŒn 1 mgndimg Cheng g nguyŒn Ì ngưỷŒrŒn th” 1 dng#rkh mW L ngWl§ v W ŨƯ RuOkiO HL un@ king @W tom #
m D YtjcB sa@Q VF K © j Bhs & Pbd@ đronỏỷ Køf#qvbồ ,C#c cun dy tap c& bri dng CTl v CT2 c @e@enma © c n ImcC
12
Trang 24G z Q ƠØ Hmm.3Th nh ph «R 8 ni 3mmTLc n bỌ Jn L 7 U Rid ki,Q i uk@ K WK f On ch¥Ffqya th mah@phM RL
1 w ck&cis x 8 ra bEn ngo i wengvb $ch*~ vwm h nh b nh
W #©@mJ WK wm pPlF ai t#Ừ tŒ€onmgOHZ2Zn â3W.U R Q@ viÙ iøØ H h tre™~°D G đ @hữnh ,H K W U R Q k Ehiti đh€#z MAY bi L
G zQnJ mâ#PẺ W ni theoukEoch nhau Trong H nhú2đ3 ph đn
b dng nItrứŒn impha Ws” G z On/ thwưLIli O 3 GỢƠ QEW k t
W U r O#g W k#\ đL Y l eHgfoR.NCKI v L O j @zQ
W t OQK AnibeH cA°ph akt® may bid ng v OJ G.@QOowk h chia chœ8 toific 4 m#y bid ngirtr L A po a ch 1L
\ eee T1 - | | L | ; | Doitugng baove | a: CT | ~ i CT2 Tì LB _ _Í I, M bị Hư, H nh 2.3 SYyngo i v@ng ® +o v
Khi c is b@n trongrpot embsv, Foikh *G Z.ú«x kh ng L bng nhau Th nhQhh © c dRng Imtdyidng jl tgdong
sxzœ ch# thai ph a.XN Gab JI Q jIÄn, Bvso 1F,K nữ 1 E vo oda mềy # tai ph @& mohx tb © v.Q ng socht, m [ ink theo:
T 4 PT 2.5
1, 1
& Z ©Q G z @ nhKtmeÐ ccagmth
TL |1 |ä PT 2.6
Trang 25Gik tae °D G qa @oJF K LY 7 GzQ Jg Homsk ndd dQ J Foi ho » WU RMUm v¥FL, E u#@: Ý U W K§qW hp Ww Y,my hai pha
bng nhaủ, IG R|T| l#:
1, |1 4 |,1 {10 PT 2.7
, J3l|4|[1:3 | PT 2.8
1 wu C#C Ks x § ra bứn trong wWwg(bnh24 Gz OW F_ L c °D USkv GOHth,Fng tO J F ii KÐ «ŒG @SJU PmKBRE L k \
O04 Œz1Qt17Q J LW KARpBQ ph akkÐBgÐ Y ~
ae Ẻ | |
— Đối tượng bảo vệ | T
CT] ams se CT2 3i L.———~_~———-—¬ | 1 4 th M lị + E› H nh 2.4 SYytong vøng ® +o v
Khi cs ic bEn trongROIL œ m b§ về, 1 lh 3⁄%G ZLúx kh ng L
bng nhau Th nhQh @ F': RGna lạ dtaả wi dng jl bơ
da ng scIich# thai ph a.XN GaqaQ Jf 16h, k vso gh t#c ng vg #® t nulcitm#y ct hai ph & phx t&®Sv.,
f z QnŒEo 1lFIK, Y j GE Q fhiQGkKmmP V Dmx
- S$ © ngw m@ trong veng: Haingh agnhalhL I GR V
1| |]:
1, |1 3 231 PT 2.9
Trang 261 |1 |3 211 PT 2.10
G1# từ Ư JK sd ng socH vy d ng hˆmng nhau
— 8 +£ ngr† mẽh trong vøng: Wng thmt ph a (cao Ep), khi Iy 0:
1, |1 3 21.14 | | PT 2.11
, |3 |4 |ld lÌ PT 2.12
C ththỷrnggi# tr Ợ Ji sd mg sochH y dong h@mny nhaufh
K #Q J ij IgE &€B dng soFlK, Y j G z QU K mn8 W m k t OJ Gr Sc Jch¥ gquaLm ph a Ph n t ch twẩmmœghưi tắc
trong vøđg Iv v\ #O ứœ t nhis WURQ J fH thy wi O fj da cbng 1(45 W #'R W@ưđnQ Ks ch hi FOS Wad thE
'§ bé boS§Svso 1F,K ng ichf cht khi c 1ẴsbŒn ngo 1 ta c ch © Eíh c#c &€rW ing cho ph@hyi y€uwccGh-
7UrQ KwQ W tng ka %©W@isp èh,vi:
KR aBiu thyik tw z OnJkh BQ J n@ temIDIFF> aw® v,
a chĩ221), wmi mA&y bd 1s hơn sP Q’ Kama #ÿ@Kpãhub dng nbLthok mEy Disp
Rb: BOc t ph c’ # sal bí ˆQ i @ mEy bid ng v thay Lw« ph n #g8 m#y bỌ ˆ 1 #2 bØdqd &SÿOPE 1 vL m b Ww l
BASE POINT 1
Hoc: BO F »W t Q K clrFy OW tO@MJKv kNi KKB bo hm § Wom b2o ho kh no qđhau#c m#y 6Q GzQJd Fd cF QQOPE
v Lm b Wt« BASE POINT 2
BR dL gif t@ Z OQnJkh’L 10 J nơ Øđamirr>> ca°b§ v Khi
Gz QJso F K ; W /T Xgm=acQnJvmlys§`W inB kh ng c #th
JLDQ PJ NO{ GH OMXYD GA ,WNkE Viện k&§ KGL
v Qua h nt&a th\ Z#O fd t nhxrslu n nP WURQ ng CEcQ J W G z QƠỢ ; &® / c Bijdn ,trfncttđØ theo hW m k Dnđ mc
N uto¥ mLho Wong 4, sd) xw hm g @c t whicss kX B® ra tc ng
Trang 27xC#c yot SQ K
H nh 2.52 E
1 Sai # a BU, BI:
W ngQcBläa bW+Gsd7 dh a *OKIm bo§vso th;
V + ClIC œ ¢ Ngo i vend wo
Vc cl œ v Yrong vønq wo
" z QnJl dhqgs gikltr~ : BW DỌI KVk Q
Phn bG6 z QØ
” z QnJcl# qủaU
W đkˆQ # u W#g W Km
k D ® >Q KFOKK’U kNOKH{ Ong Wi F nén dng kitrg c& U & PHEH 10 ng tHEL F * QJ Oj P
1 V 1 hWwc4 UkOH ” z QnJclh# qua U k Đ## ng ngay v-\ tr#nh 1È m go 1 do saiđsBT o Vi cH sx so ứh, nh, © V 1 clfỮ sư so ứh,h kb @ HO J G Zz Ọ J K DILQOQ Sk t D
v@ kh ng mu ca U khO & xvAgmah tadsig boSvso th,c hềm:
ngo i v@eng: dng h’m clrgidd ing
trong v@eng: dng hém cnhhgid ng
Trang 28” z On7h°2mL[ TL ,œmCt nh theo c ng đding, h3ng§xuL.' iw
Siemens: I, | 4 |p ffi
b G vso th)
n (lỷ tQ J Foi R CđG phQaJv @reac
2.T ] œd y œ mãy bú Ep:
k \ [ Ð p 2Pmid\y E bW IsoOl#,Kb SG MBA c tu
Gk \ K DL S Kt Dn NEK phraddd & © Khau: ƯỨ đ z Q 7
Y,/ "1 WKu @®w QtHp khknham 330
S 1l PK SK DO (Œ ziŒU S KIrnqzocH,kd`ìng R#Dh yGcz @h7 ' l1 Q Kk Q L@gz@ BS vNokKth, v yvbooSvc, thwW ing nim« nŒn ta phhw® chth g c pha
3 KmkQwQychhK i S K L
— 1 vị Ủ kEFOkH YW])› QUỤUKRmBgHK Pha ng BT trung gian — 1 VL UÚ k Ð nu ch K JỞ yŒ tlrShĐRĐ ng th Eo#n
BI c thu h nh Y cha wm d y Khai b#ocUvkf#Ð BH ư dy @mf&y bi Ep v m#yvĩi l ng tnc& thứ)
3 7 z Q67th{ %h ng:
Khi »=§ ras ch ¥P ngo 1 vøfmmg + DU koOtli,MBA, «&« sal ag
b1 ,O S #o# 8rSO KngKcem°ŒG z QnJthtINM K { Q 7 Mm kK & WU X cun d y mE&yrmb#p nL 'W tr&nh isW ing nix ca U koOth,
i: † Al>0 without delta winding!
H nh 2.€’0 khi kh ng c cu an tam GidAcndgothightng CHch klv phn:
Trang 294 —> al 4 PR = 5 es nk Ih + _ — + + +— —> —> >> +<¢<+—
With delta winding: Al=0 ! IL
H nh 2.71’ 0 khi c amtam gikc Wod)ngbty ghtng
y QJ WHE kh ng tL
Trang 30Khi #Ðp Øù nguyđn 1 &oưKL G@ Đ@vcfcIm#y BiEp v fb#Ðp + ngư 4@â O m XhĐSQFE @ ỉấsOEẩĐ,c thm viF VDL N KL bin Ep kh ng.t
TØy vo #Uữồ PP L y QWm BhikY khFnS @ nguQ n mLts& EF DW (xung k cRD c Ga @Wa mHyLHiFp c th¥ te In g'
nhid kQ 6G zQQ JGnhồ @&Em#y bẦQ i Mg ho 8#uthmW đm k Q ở
vi dng ta xung k ơhnhP) 3% §\ U D N K Wo vy OUT Pi’ ‘Bon E®nguc tet@c til TmxOD L
K L T X ichW @ WO K 4 #Qa7t#dl fs š#c B chngv i ph © WU RP @Gmà@ Kk LY
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W #om(bỌ Jj W Kf®DkrO #ULcWb LS vv, L G1 QJ
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— Trong cđ l m vịF E ưnđ@, Hhig tE® K R Ẳ& t mh wb k§ v ph @huc votrs v 9g c phaDc °G gq Đhử@ KHiỹWxra
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bSv 7 U Ro@ở0khởng8 cEch phr kho@§ J Foi Fn& t#O 7 Tngtrt? Q kbrl§ v ,ˆO m xw# ra mm K F- mhhi theo ưbi thc sau:
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ng cœa °§ vs, Y mnqua cH Gao y tim
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ubn y c kthd ph® mg cH&chaeb CO Kt nbotkc — *O KngK=& Gn® @ ng Ba(power swing):
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