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Phóc tr×nh tËp sù b¶o vÖ R¬le C«ng ty Thuû ®iÖn Th¸c M¬ MôC LôC trang Ch¬ng 1: Giíi thiÖu s¬ ®å nhÊt thø Nhµ m¸y thñy ®iÖn Th¸c M¬..4 I. Tæng quan vÒ nhµ m¸y II. S¬ ®å nhÊt thø III. Th«ng sè kü thuËt cña c¸c thiÕt bÞ chÝnh ………………………….….6 Ch¬ng 2: B¶o vÖ m¸y ph¸t …………………………….. ……………....15 I. HÖ thèng b¶o vÖ thø nhÊt: 7UM62 ………………………. ………..….17 1.1/ B¶o vÖ so lÖch m¸y ph¸t: 87G 1.2/ B¶o vÖ ch¹m ®Êt stator víi tÇn sè 20Hz: 64G 1.3/ B¶o vÖ thiÕu kÝch thÝch: 40 1.4/ B¶o vÖ ®iÖn ¸p gi¶m thÊp: 27 1.5/ B¶o vÖ tÇn sè: 81 1.6/ B¶o vÖ qu¸ ®iÖn ¸p m¸y ph¸t: 59 1.7/ B¶o vÖ qu¸ dßng thø tù nghÞch: 46 1.8/ B¶o vÖ kho¶ng c¸ch: 21 1.9/ B¶o vÖ dù phßng m¸y c¾t háng: 50BF II. HÖ thèng b¶o vÖ thø hai: 7UM61 ………………….………. ……….33 2.1/ B¶o vÖ ch¹m ®Êt rotor m¸y ph¸t: 51NG 2.2/ B¶o vÖ ch¹m ®Êt 90% stator m¸y ph¸t: 59N 2.3/ B¶o vÖ ch¹m ®Êt 100% stator m¸y ph¸t: 27TN 2.4/ B¶o vÖ ®iÖn ¸p gi¶m thÊp: 27 2.5/ B¶o vÖ tÇn sè: 81 2.6/ B¶o vÖ qu¸ ®iÖn ¸p m¸y ph¸t: 59G 2.7/ B¶o vÖ qu¸ dßng thø tù nghÞch: 46 2.8/ B¶o vÖ kho¶ng c¸ch: 21 2.9/ B¶o vÖ dù phßng m¸y c¾t háng: 50BF Vâ TiÕn Sü Trang 1

Phuc Trinh Relay

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phuc trình rơ le số nhà máy điện thác mơ

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Phc trnh tp s bo v Rle Cng ty Thu in Thc !MC LC trangChng 1: Gii thiu s nht th Nh my thy in Thc M""#I. Tng quan v nh myII. S nht thIII. Thng s k thut !a th"#t $% h&nh$$$$$$$$$$"$"%Chng 2: !" # my $ht $$$$$$$$$$$""$$$$$""""&'I. '( thng $)* v( th nht+ ,-./0$$$$$$$$$"$$$""$"&(1.12 3)* v( s* 4(h my 5ht+ 6,71.02 3)* v( h8m t stat*r v9" t:n s 0;'2 3)* v( th"#u k&h th&h+ =;1.=2 3)* v( "(n 5 g")m th5+ 0,1.?2 3)* v( t:n s+ 61 1./2 3)* v( qu "(n 5 my 5ht+ ?@ 1.,2 3)* v( qu ABng th tC ngh%h+ =/1.62 3)* v( kh*)ng h+ 011.@2 3)* v( AC 5hBng my Dt hEng+ ?;3FII. '( thng $)* v( th ha"+ ,-./1$$$$$$$"$$$"$$$"))0.12 3)* v( h8m t r*t*r my 5ht+ ?1G70.02 3)* v( h8m t @;H stat*r my 5ht+ ?@G0.>2 3)* v( h8m t 1;;H stat*r my 5ht+ 0,TG0.=2 3)* v( "(n 5 g")m th5+ 0,0.?2 3)* v( t:n s+ 61 0./2 3)* v( qu "(n 5 my 5ht+ ?@7 0.,2 3)* v( qu ABng th tC ngh%h+ =/0.62 3)* v( kh*)ng h+ 010.@2 3)* v( AC 5hBng my Dt hEng+ ?;3FChng %: !" # my &i'n $ ch(nh 1T )2T* $$$$$$"$$$"#*>.12 3)* v( s* 4(h my $"#n 5 v hng h8m t h8n h#+ 6,T I 6,G>.02 3)* v( qu ABng h8m t+ ?;G2?1G>.>2 3)* v( 4m mt my $"#n 5.>.=2 3)* v( J4K gas my $"#n 5+ />

+, Ti-n ./ Tr0ng &Phc trnh tp s bo v Rle Cng ty Thu in Thc !>.?2 3)* v( A 5hBng my Dt hEng+ ?;3FChng +: !" # ,h-i: my $ht. my &i'n $ ch(nh. my &i'n $ t/ 01ng. my &i'n $ 2(ch t34$$$$$$$$""$$$$$$"$""'*I. 3)* v( s* 4(h kh"+ 6,7TL hM5 $N ,-T?1>II. 3)* v( my $"#n 5 k&h tO+ ,SP/10.12 3)* v( qu ABng+?;2 ?1TQ0.02 3)* v( qu t)"+=@ TQIII. 3)* v( my $"#n 5 tC ARng 11T S10TT>.12 3)* v( qu ABng+ ?;>.02 3)* v( qu ABng h8m t+?;G>.>2 3)* v( qu ABng C 8"+ ?1>.=2 3)* v( AC 5hBng my Dt hEng+ ?;3F>.?2 3)* v( qu t)" my $"#n 5 11T S10TT+ =@>./2 3)* v( r4K gas+ />Chng 5: !" # 678 1192: $$$$$$$$$$$$$"$$"""""'1I. 3)* v( s* 4(h thanh " 11;kUL hM5 $N ,SS?00+ 6,3II. 3)* v( AC 5hBng my Dt hEng+ ?;3FIII. 3)* v( Vng AWy 11;kUX2 3)* v( Vng AWy 1,1Y1,0Y1,>+$$$$$$$$$$$""$$$"""""%)1. 'M5 $N ,SX?001.12 3)* v( kh*)ng h+ 011.02 3)* v( qu ABng Dtnhanh+ ?;2?;G1.>2 3)* v( qu ABng Z thV" g"an+ ?12?1G1.=2 3)* v( ABng TT[ Z h9ng+ /,G0. 'M5 $N ,SP/000.12 3)* v( qu ABng Z h9ng+ /,2/,G0.02 3)* v( AC 5hBng my Dt hEng+ ?;3F32 3)* v( Vng AWy 1,=+$$$$$$$$"$$$$$$"$"$""$"""""(*12 3)* v( kh*)ng h+ 0102 3)* v( qu ABng Dtnhanh+ ?;2?;G>2 3)* v( qu ABng Z thV" g"an+ ?12?1G=2 3)* v( ABng TT[ Z h9ng+ /,G?2 3)* v( qu ABng Z h9ng+ /,2/,G/2 3)* v( AC 5hBng my Dt hEng+ ?;3FIU. 3)* v( my Dt 1;;X $$$$$$$$$$$$$"$$"$$""$"('

+, Ti-n ./ Tr0ng *Phc trnh tp s bo v Rle Cng ty Thu in Thc !12 3)* v( qu ABng Dt nhanh+ ?;2?;G02 3)* v( qu ABng C 8"+ ?12?1G>2 3)* v( AC 5hBng my Dt hEng+ ?;3FU. 3)* v( my Dt 1;;3$$$$$$$$$$$$""$"$"$$$"((12 3)* v( kh*)ng h+ 0102 3)* v( qu ABng Z h9ng+ /,2/,G>2 3)* v( AC 5hBng my Dt hEng+ ?;3FChng ;: !" # my &i'n $ %T$$$$$$$$$$""$$""$"(1I. 3)* v( s* 4(hII.3)* v( r4K gasY r4K 4u 4MngIII. 3)* v( kh*)ng hIU. 3)* v( qu t)"U. 3)* v( qu ABng th tC khngChng = v* v 4D5 thim my $"#n 5 =T jng nh \Wy thim 5hWn *8n ha" !a tr8m klm >?kU 4 rt :n th"#t.lhe t)" %a 5hng+b5 >?kU gm \ut tuy#n+L Tuy#n >,,ung 5 h* lh9 n*ng.

+, Ti-n ./ Tr0ng #Phc trnh tp s bo v Rle Cng ty Thu in Thc !L Tuy#n >,1 ung 5 h* 3R `cng.lhe t)" tC ARng+Gh my Z ha" tr8m tC ARng+L Tr8m tC ARng h&nh X1 4y "(n tO :u C my 5ht '1v '0Y tr8m Z ha" 5hWn *8n v my Dt 5hWn *8n.L Tr8m tC ARng AC 5hBng X0 nhn "(n tO tr8m [lm 1;kU $_ng ha" \ut tuy#n ?,>Y ?,?. Tr8m Z ha" 5hWn *8n v my Dt 5hWn *8n.Gg*" ra tr8m [lm 1;kU Z \ut tuy#n ung 5 h* tC ARng sau+L Tuy#n ?,1 ung 5 h* vn hnh `5 trn Z rh nhnh " boa nhn n9.L Tuy#n ?,, ung 5 h* vn hnh boa nhn n9.EE4 J nht th: 'pnh vh14 ,h-i tQ my:'a" t my M n" thK* s n" $N .lL .3X. `M %nhv% 4in h( thng thanh " 11;kU 4 Tb11Y Tb10 qua my Dt kh" 1>1Y 1>0. .y 5ht n" v9" .3X 1TY 0T $_ng my Dt :u C ?;1Y ?;0. g9" my Dt :u C M tr&h "(n h* h( thng tC k&h tO. Trin my Dt :u C 4y "(n 5 h* tC ARng h&nh !a nh my Str8m X1T qua ha" my Dt ?>1Y ?>0.24 TTUm $h>n $h-i ng"i tT=i )678*:V 678 1192::b5 11;kU gm h( thng ha" thanh " Tb11Y Tb10 Z thanh " vBng Tb1@ v m8h my Dt nh sau+L .y Dt 1>1+ .y Dt kh" 1 %nh v% trin thanh " Tb11.L .y Dt 1>0+ .y Dt kh" 0 %nh v% trin thanh " Tb10.L .y Dt 1>>+ .y Dt 5he t)" %a 5hng %nh v% trin thanh " Tb11.L .y Dt 1,1+ .y Dt Vng AWy %nh v% trin thanh " Tb11.L .y Dt 1,0+ .y Dt Vng AWy %nh v% trin thanh " Tb10.L .y Dt 1,>+ .y Dt Vng AWy %nh v% trin thanh " Tb11.L .y Dt 1,=+ .y Dt Vng AWy %nh v% trin thanh " Tb10.L .y Dt 1;;X+ .y Dt k#t g"nY k#t n" thanh " Tb11v9" Tb10.

+, Ti-n ./ Tr0ng 'Phc trnh tp s bo v Rle Cng ty Thu in Thc !L .y Dt 1;;3+ .y Dt vBng v thanh " vBng Tb1@ ARng d thay th# my Dt kh" v my Dt Vng AWy kh" :n soa hqa.V 678 %52::Tr8m gm mNt thanh " Tb >1 v m8h my Dt 5 h* 5he t)" %a 5hng nh sau+L .y Dt >>>+ .y Dt tng nhn "(n tO my $"#n th#>T.L .y Dt >,,+ .y Dt Vng AWy h* tuy#n " lh9 n*ng.L .y Dt >,1+ .y Dt Vng AWy h* tuy#n " 3R `cng.V ,78 192::n tr8m 5hWn 5h" "(n tr*ng nh v9" h( thng mNt thanh " Tb?1 v my Dt hM5 $N+L .y Dt ?>>+ .y Dt tng nhn "(n tO >T.L .y Dt ?,1+ .y Dt tuy#n " 5 trn v oa nhn n9.L .y Dt ?,>Y ?,?+ .y Dt 5 "(n h* tC ARng X0.L .y Dt ?,,+ .y Dt tuy#n " oa nhn n9.L .y Dt ?61+ .y Dt tuy#n "\.%4 T/ 01ng tQ my:TC ARng kh" t my gm Z tr8m tC ARng h&nh X1 v tr8m tC ARng AC 5hBng X0. 'a" tr8m ny M 4"in k#t v9" nhau thK* s Shpnh 0T. Tr*ng Z+X1 L;1Y X1 L ;/Y X1 L 10+ n my Dt hM5 $N ;Y=kU !a tr8mX1.X0 L ;1Y X0 L ;?Y X0 L ;6+ n my Dt hM5 $N ;Y=kU !a tr8m X0.X1 L ?1Y X1 L ?>Y X0 L/1Y X0 L =>+ n a5t*mat ;Y=kU.EEE4 thWng s- 2X thuYt cB cc thi't &Z ch(nh tT"ng nh my:14my $ht thy A/c:

+, Ti-n ./ Tr0ng %Phc trnh tp s bo v Rle Cng ty Thu in Thc !L ["du+ + b3 L,1;2 16; L >; L T3=L bng sut %nh m + 66Y0 .UX2 ,?.]L `"(n 5 %nh m + 1>Y6 kUL gBng "(n Stat* %nh m + >/@;XL '( s ng sut %nh m + ;Y6?L T N quay %nh m !a J*t*r + 0;; vBng2 5hrtL T N quay 4ng t+ =;; vBng2 5hrtL T:n s %nh m + ?;' 5ha > u*tn Aaxy 4ammaCt$angAa{u!*E" 4outua{nh*antoR nh"KxnvaquaRt g"*C oeOng $oC SkFXFT.L y"Ktn aC5 !jnh moC+ lh9a a* +11? kU lh9a trung +>6Y? kU lh9a haR +11 kUL b*xng suaEt !jnh moC uza m*Z" u*tn+1;;H21;;H21;;HL T* !aEu Aaxy +m;2m2L11L Trung t9nh 5h9a 11;[U n*E" !aEt troR t"KE5Y trung t9nh 5h9a >?kU n*E" !aEt qua u*tn Aat5 h*{ quangY 5h9a 1;kU aCh !aEt.L lh9a 11;[U *C 1@ naE huyKn !*" !"Ktn aC5 11? @ \ 1Y,6H *C thK thay !*" $ang tay h*af toR !*tng.L 3N "u 5 k"du .G `"(n 5 G `"(n 51 1>>Y=>0 kU 11 110Y@?>kU0 1>1Y>,/ kU 10 11;Y@;/kU> 10@Y>0@ kU 1> 1;6Y6?@kU= 10,Y060kU 1= 1;/Y610kU

+, Ti-n ./ Tr0ng 2Phc trnh tp s bo v Rle Cng ty Thu in Thc !? 10?Y0>?kU 1? 1;=Y,/?kU/ 10>Y166kU 1/ 1;0Y,16kU, 101Y1=1kU 1, 1;;Y/,1kU6 11@Y;@=kU 16 @6Y/0=kU@ 11,Y;=,kU 1@ @/Y?,,kU1; 11?Y;;;kUL lh9a >?[U *C ? naE 5haxn aC5 kh*xng taz"+ >6Y? 0\ 0Y?H G `"(n 5 G `"(n 51 =;Y=0?kU = >,Y?>6kU0 >@Y=/>kU ? >/Y?,?kU> >6Y?;;kU54MMF8 EGNN MF7 T\ ]IONG11T )12T*:L n*aR" Tb> 1;;;2 1? ~ T>Lb*xng suaEt !jnh moC +1;;;kUXL T* !aEu Aaxy + 2m;L11L y"Ktn aC5 !jnh moC +1>6;;2=;; UL g*ng !"Ktn !jnh moC + =1Y6=21==>Y>6 XL y"Ktn aC5 ngaNn maRh + =Y@>HL nam maCt + kGXGL S*E 5ha + ;>L Gh"Ktt !*t Aa{u + ??;bL noeRng Aa{u aCh !"Ktn + ?,? 49tL baE5 aCh !"Ktn + XL .oC aCh !"Ktn + nI,?2nI2Xb>/2XbIgL lh9a 1>Y6 kU *C ? naE !"K{u aC5 + 1>6;; 0 \ 0Y?H;4MMF8 EGNN MF7 T\ ]IONG 5T:L n*aR"bXST JQSIGL b*xng suaEt !jnh moC + ?;;kUXL T* !aEu Aaxy + 2m;L11L g*ng !"Ktn!jnh moC + 06Y@2 ,01Y, XL y"Ktn aC5 !jnh moC + 1;;;;2 =;; UL y"Ktn aC5 ngaNn maRh + ? HL nam maCt + kh*xng kh9 toR nh"KxnY12 ?,, XL y"Ktn aC5 !jnh moC + 1;;;;2 =;; UL y"Ktn aC5 ngaNn maRh + ?Y0/HL nam maCt + kh*xng kh9 toR nh"Kxn?4MMF8 EGNN MF7 KMH7 T^MON 6;;2 =1? UL g*ng !"Ktn !jnh moC+ >;Y// 2 1;0; XL b*xng suaEt !jnh moC+ ,>> [UXL T* !aEu Aaxy + m2L1194EGNN KEGHN MF7 :V 7hB 1%_?2: TU1S !aft ez trung t9nh maCy 5haCtL n*aR" +>' ;/ ~ 1?T>L Tyz s*E $"KEn +1>6;;+>21;;+>21;;U TU0SYTU>SL n*aR" +>'k. ~ 1? ~ 6>T0L Tyz s*E $"KEn+1>6;;+>21;;+>21;;+> UL T* !aEu Aaxy +m2m2hez TU=SL n*aR"+>'k.L 1? L />T0L Tyz s*E $"KEn+1>6;;+>21;;+>21;;+> UL T* !aEu Aaxy +m2m2hez

+, Ti-n ./ Tr0ng &3Phc trnh tp s bo v Rle Cng ty Thu in Thc !V 7hB 1192: TU17Y TU07L n*aR"+'[ ~ 11; ~ 6>T1L Tyz s*E $"KEn+11;;;;+>21;;+>21;;+> UL T* !aEu Aaxy +m2m2hez TU>7L n*aR"+'[~ 11; ~ 6>T1L Tyz s*E $"KEn+11;;;;+>21;;+>21;; UL T* !aEu Aaxy +m2m2hezV 7hB %52: TU1'L n*8"+>'k. ~ >?L /?T1L T s $"#n+>?;;;+>21;;+>21;;+> UV 7hB 192:L n*aR" +UQS 10>=L T s $"#n +11;;;+>21;;+>21;;+> U114MMF8 EGNN ]6ONG KEGHN : 7hB 1%_?2: lh9a maCy 5haCtL n*aR" + T3 L 1? L ;Y021;l L ?;;;2 ? L T>L y"Ktn aC5 !jnh moC +1>Y6kUL Tyz s*E $"KEn A*ng +?;;;2 ?X lh9a toR Aung *C ha" 4*aR".L n*aR" 1+ T3 L 1? L 1;l21;l L ?;;;2 ? ~ T>L y"Ktn aC5 !jnh moC +1>Y6kUL Tyz s*E $"KEn A*ng +?;;;2 ?XL n*aR" 0+T3 L 1? L 1;l21;l L =;;2 ? ~ T>L y"Ktn aC5 !jnh moC +1>Y6kUL Tyz s*E $"KEn A*ng +=;;2 ?XV 7hB 1192:L n*aR" 1+ T>.L1>0~;Y021;l21;l21;lL /;;L 0;;2 ?LT1L y"Ktn aC5 !jnh moC +11; kUL Tyz s*E $"KEn A*ng + /;;2 ?X va 0;;2 ? XL n*aR" 0+ T3T ~ >?L I L 0;;2 ?L y"Ktn aC5 !jnh moC +11; kUL Tyz s*E $"KEn A*ng + 0;;2 ?XL 3"KEn A*ng !a{u soC .3X 1T S0TT+ /;;2 ?XL 3"KEn A*ng !a{u soC .3X >T+ >;;2 ?X va 1;;2 ?XV 7hB %52:

+, Ti-n ./ Tr0ng &&Phc trnh tp s bo v Rle Cng ty Thu in Thc !L n*aR"1+T>'L>>X ~;Y?2 1;l2 1;l L =;;2 ?LT1L y"Ktn aC5 !jnh moC +>? kUL Tyz s*E $"KEn A*ng + =;;2 ?XL n*aR" +T3L>?L L >;;2 ?LT0L y"Ktn aC5 !jnh moC +>? kUL Tyz s*E $"KEn A*ng + >;;2 ?XV 7hB 192:L n*8"+7Sk 1?,; L 1;;;2?SXTL y"Ktn aC5 !jnh moC +1; kUL Tyz s*E $"KEn A*ng + 1;;;2 ?X124 MMF8 CMbT :V 7hB 1%_?,:+ b*C ha" 4*aR"c MB/y cBdt te1 0ung: L n*aR" 3T.L1?L@;2110;; T>L y"Ktn aC5 !jnh moC + 1?kUL g*ng !"Ktn !jnh moC+110;;XL Dng in ngn mch nh mc +@; kXL The" g"an aNt h*an t*an + ;Y0sL The" g"an !*Cng maCy aNt+ ;Y,sc MB/y cBdt Bfu ce1c: AB mB/y cBdt chBgn2h"gngL n*8" >X'> 616L6L y"Ktn aC5 !jnh moC+1,Y?kUL g*ng !"Ktn !jnh moC +=;;;XL g*ng !"Ktn ngaNn maRh!jnh moC +/>kXL y*t $K{n aCh !"Ktn + @? kUL ThV" g"an Dt%nh m +> sL bhu k tha* t + k L;Y>s Lbk L > m"n LbkV 7hB 1192:+ b*C ha" 4*aR" sn*8"nT31=?g123Ly"Ktn aC5 !jnh moC +1=?kULg*ng !"Ktn !jnh moC+>1?;X

+, Ti-n ./ Tr0ng &*Phc trnh tp s bo v Rle Cng ty Thu in Thc !-Tn s nh mc : 50Hz -in p chu ng c! nh"# $ #n s c%ng nghip: &'5 ()-Dng in ngn mch nh mc* Th+nh phn hiu ,-ng: .0 (/* Th+nh phn (h%ng chu (0 : 512-Dng in ngn mch 3ung (4ch : 100 (/-T5 s (h%ng c6n 78ng 9: ,ng in : 10 (/-Dng in ch! ph;p (hi c# #5?n (h%ng - (h%ng #@i: 50 /-Dng in ch! ph;p (hi c# cp ngm - (h%ng #@i: 1A0 /-in p phBng in 3ung (4ch : A50()- Th=i gin c# nhC nh"# : 1D ms- Th=i gin c# ,ng nh mc : && E F ms- Th=i gin Bng: .0ms- Gp Hc (h4 IJA $ giKi hn ch! ph;p L $ &00M N :0O.F0O5Pp- Mhu #5Qnh Bng c# m> c#: R - 0OFs - MR - Fmin - MRsn*8"7n >10 S !oeng Aaxy 1,= TLy"Ktn aC5 !jnh moC +1=?kULg*ng !"Ktn !jnh moC+>1?;X -Tn s nh mc : 50Hz -in p chu ng c! nh"# $ #n s c%ng nghip: &'5 ()-Dng in ngn mch nh mc* Th+nh phn hiu ,-ng: .0 (/* Th+nh phn (h%ng chu (0 : FA 2-Dng in ngn mch 3ung (4ch : 100 (/-T5 s (h%ng c6n 78ng 9: ,ng in : 10 (/-Dng in ch! ph;p (hi c# #5?n (h%ng - (h%ng #@i: 50 /-Dng in ch! ph;p (hi c# cp ngm - (h%ng #@i: 1A0 /-in p phBng in 3ung (4ch : A50()- Th=i gin c# nhC nh"# : F5 ms- Gp Hc (h4 IJA $ giKi hn ch! ph;p L $ &00M N : 0OA. Pp- Mhu #5Qnh Bng c# m> c#: R - 0OFs - MR - Fmin - MRV 7hB %52::L n*aR"FgFS[1 L 1Ly"Ktn aC5 !jnh moC + >/kULg*ng !"Ktn !jnh moC +10?;XL Ta{n s*E+ ?;'X' ?1;0 L 1Ly"Ktn aC5 !jnh moC + 10kULg*ng !"Ktn !jnh moC : 1&50/ -Tn s nh mc: 50Hz -Dng in ngn mch nh mc: 1A (/-in p phBng in 3ung (4ch: '5()-Th=i gin c# nh mc:Fs-Mhu #5Qnh Bng c# m> c#:R - 0OFs - MR - Fmin - MR13. CUN DP H QUANG:S!i : l| ~ /0;2>?T1.14. DAO CCH LY:* D! cch H> 1FOT ():S!i: UVUW X &.YA F00PTFin p nh mc: &.()Dng in nh mc: AF00/VZ #5u>:n Zng (i[u: \] X 5T1O ^ X 50TF* D! cch H> 110 ():S!i: U]W X 110_Y1&50 HT1in p nh mc: 110 ()Dng in nh mc: 1&50/VZ #5u>:n Zng (i[u: \U X &_T1* D! cch H> F5 ():S!i: U]W X F5_Y1&50 HT1in p nh mc: F5 ()Dng in nh mc: 1&50/VZ #5u>:n Zng (i[u: \U X &_T115. CHNG ST VAN:* Mhng s;# ph4 1FOT ():S!i: l3b ~ 1?T1in p nh mc :15 ()* Mhng s;# ph4 110 ():S!i: l3b ~ 11;.T1in p nh mc :110 ()* Mhng s;# ph4 F5 ():

+, Ti-n ./ Tr0ng Phc trnh tp s bo v Rle Cng ty Thu in Thc !- S!i: l3b ~ >?T1in p nh mc :F5 ()`- S!i: l3b ~ >>T1in p nh mc :FF ()`* Mhng s;# ca cc 10():- S!i: l3k ~ 1;T1in p nh mc :10 ()`- S!i: bHI - nkDng in nh mc :10 (/`16. THANH DN D!Y DN:* Thnh ,cn 1FOT ():S!i : Tde X f X &0 - 1A00 X F'5T1* D6> ,cn 110():S!i: /Mg\ X &.0YF&I h &.0 mm& O cB F& sii`* Thnh ci 110():S!i: /Mg\ X 500YA.* D6> ,cn F5 ():S!i: /Mg\ X D5Y1A* Thnh ci F5():S!i: /Mg\ X &.0YF&

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+, Ti-n ./ Tr0ng *)Phc trnh tp s bo v Rle Cng ty Thu in Thc ! . = bo v chCng ch>< Gt &33M st0tor93)* v( /=7 5ht h"(n $t k sC h8m t n* trin uNnAWy Stat*r my 5ht kd ) "dm trung t&nh nin M gt"4$)* v( hng h8m t 1;;H stat*r. 3)* v( 4m v"( N 45v9" h#Nvnhnh!amy5htkd)kh" my5htkhng vn hnh. Gi tTZ chOnh Znh: L `"(n trf sC nht th M htn nhE hn 1kY tng ngv9" g" tr% t Nng 4+ . J + 6; L `"(n trf)nh $* nht th M htn >k tng ng v9" g"tr% t. . J + 10;L ThV" g"an t Nng +;Y;?sL ThV" g"an )nh $* + 1; sLGgng khf" Nng "(n 5 !a 0;'< + 1ULGgng khf" Nng ABng "(n !a 0;'< + 1; mX !" # tc dng: L bDt my Dt?;1S?;0T L bDtmy DtA5 tOXQL gOng sC t my L [hf" Nng ?;3F my Dt ?;1 S ?;0TT(n hiu 2mm th`":

+, Ti-n ./ Tr0ng *#Phc trnh tp s bo v Rle Cng ty Thu in Thc !f g"an myL bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1 SX0a;1T sngf g"anmy. L T&n h"(u Qma\+3)* v( h8m t stat*r t Nng.f trung tWm L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n L T&n h"(u Qma\+ 3)* v( h8m t stat*r my 5ht tNng.14%j !" # thi'u 2(ch th(ch )+9*: Tr*ng qu trpnh vn hnh my 5ht "(n Z thd \)y ramt h* th"#u k&h th&h A* h hEng tr*ng m8h k&h th&hYh hEng tr*ng h( thng "u hnh "(n 5Y h* Z thd A*nhWn v"in vn hnh tha* t sa"... [h" my 5ht $% mtk&hth&h thVng An #n mt ng $NY gWy 5ht nZng e $N fstat*r v r*t*r.GgV" ta a $)* v( th"#u k&h th&h v*d ngcn ngOa sC niu trin.Tr*ng h# N vn hnh $pnh thVngY my 5ht ng $N4m v"( v9" sut "(n Nng Q a* hn "(n 5 - :u Cmy 5htY ngha 4 k&h tO AY 4r ny my 5ht 5ht ng sut5h)n khng v* h( thngY ;.[h"my 5ht 4m v"( f h# N mt h* th"#u k&hth&hY sut "(n Nng Q th5 hn "(n 5 -Y my 5ht "(nnhn ng sut 5h)n khng tO h( thngY ;. Tr*ng trVnghM5 ny "(n khng !a my 5ht sh thay " tO g" tr% "(nkhng ng $N aA #n tr% s "(n khng qu N auA v mangt&nh Aung khng.3)* v( ACa v* "(n 5 :u C my 5htY ABng "(nmy 5ht v "(n 5 k&h th&h d 5ht h"(n h# N th"#uk&h th&h.` t&nh 4m v"( M m"nh hta trin $"du "(n An723Stng ng t&nh lYT.Gi tTZ chOnh Znh: L ` t&nh 1+ 4 g"9" h8n t" a kh" my 5ht nhn ngsut 5h)n khng tO 49" m khng gWy qu nh"(t r*t*r.s `"dm Dt !a t t&nh 1+ M htn thK* "(n An5h)n khng tng "+12aAYsK 12aA \ IG 2 -G\ -GY UT5r"m2 IG Y bT 5r"m.bhtn h( s an t*n 4 ?H

+, Ti-n ./ Tr0ng *'Phc trnh tp s bo v Rle Cng ty Thu in Thc !12aA b'XJ.1 1Y;? \ 12aAYsK 1Y;? \ 12aA\IG2 -G \ -G.UT2IGYbT 1Y;? \ 121Y1? \ >,;;21>Y6 \ 1>Y62?;;; ;Y/,s `N ngh"ing !a t&nh 1+ /;; 1 @;;L ` t&nh 0+ 4 g" tr% g"9" h8n k&h tO t" th"du kh" ngsut 5ht hqu ng nhE.s `"dm Dt !a t&nh 0 + htn kh*)ng @;H g" tr%"(n An tng " !a t&nh 1.12aA b'XJ.0 ;Y@ \ 12\A b'XJ.1 ;Y/s `N ngh"ing !a t&nh 0+ 0 @;;L ` t&nh >+ thd h"(n g"9" h8n n %nh !a my 5ht. s `"dm Dt !a t&nh >+ 5h)" n_m g"qa g" tr% "(nAn tng " v "(n An qu N. Ggha 4+ 12 aA 12 aA har.> 12 aAu Tr*ng Z+ 12aAuYsK 12 ;Y>0 \ >,;;21>Y6 \ 1>Y62 ?;;; 0Y>1s `N ngh"ing !a t&nh >+ 6; > @;;L ThV" g"an t Nng !a $)* v( th"#u k&h th&h :n)m $)* ! d h( thng k&h th&h t Nng. ` t&nh 2 ` t&nh 1 ` t&nh > JKc tLnh NhOi Dng cB0 biPu = in ?Qn9Gi tTZ chOnh Znh:L `"(n 5 k&h th&h t Nng + 0 UL `"dm Dt !a t&nh 1 + ;Y/,

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+, Ti-n ./ Tr0ng *(Phc trnh tp s bo v Rle Cng ty Thu in Thc !f g"an my+ L bhung rK*Y B" he. L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['1= f t! X1a;= SX0a;= T r". f trung tWm+ L bhung rK*Y B" he. L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.145j !" # tnn s- ) ?1 *:T:n s !a h( thng "(n Z thd $% g")m th5 hay tcnga* A* mt Wn $_ngY th"#u hay thOa ng sut t Aeng tr*ngh(thngh*A*"ut"(ntr*ngmy5ht"(n$%hEng.T:n s g")m th5 h* tcng a* gWy nh"u hu qu)\u #n my 5ht "(n v th"#t $% tC ARng. Up vy tahtn $)* v( t:n s 4m $)* v( h&nh !a my 5ht.lhw5 * t:n s tr*ng h( thng t5 trung h! y#u ARngh* t:n s sf v mNt g")" hy5 \ung quanh nZ. ThVng thpngV"ta so Aeng quy tD * t:n s $_ng 5hng 5h5 #m\ung tng ng !a ng h hun tr*ng mNt nqa hay ) hukt:ns:n*. `Nsa" 4(ht:nstrngh*sCn%nh !a h( thngY h( thng ng n %nh thp N sa" 4(hny ng $w. `" v9" h( thng h"(n t8" h h* 5hw5 4m v"(tr*ng g")" t:n s ?; ;Y? 'T+ sng n 'nX1S'nX,T sC 5h:n"(n.141S1>0T v9" thV" g"an >Y? g"Wy. s [hf" Nng ?;3F Tb11;kUT(n hiu 2mm th`": f g"an my+L bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1 SX0a;1T sngf g"anmy L T&n h"(u Qma\+ 3)* v( =/ r4K ,-./0 t Nng f trung tWm+ L bhung rK*Y B" heL T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.14?j !" # 2h"!ng cch )21*:

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+, Ti-n ./ Tr0ng )*Phc trnh tp s bo v Rle Cng ty Thu in Thc !t >;;H vRng M $)* v(S .y 5htL .y $"#n 5 T d AC5hBng \aY t thV" g"an t Nng 4 > g"Wy.0YsK>Y;\1;Y?2 1;;\1>Y602 66\?;;;2 ?2S1>Y62 ;Y1T =Y@= `d )m $)* hn ngV" ta a $)* v( tng trf t NngDt nhanh SvRng 13 L10;H vRng M $)* v( T kh" Z sC tr*ngkh" my 5ht L .3XY trVng hM5 my Dt 1>1S1>0T mf my 5hth8y 5 h* tC ARng.13YsK1Y0\1;Y?2 1;;\1>Y602 66\?;;;2 ?2S1>Y62 ;Y1T 1Y@6 .`d kh* h ncng $)* v( kh*)ng h kh" Z Aa* Nngng sut tr*ng 49" ta so Aeng 8* hm $ nht !a tng trf.TN$"#nth"intngtrfMhtnnhEhntNthay" tO tng trf vn hnh $pnh thVng nhE nht #n tng trfvRng 1 tr*ng vBng mNt hu k S v9" h( s an t*n 4 = T+A2 At S ;Y@2 1Y1\1>Y60 2 66 T \?;;;2 ?2 S 1>Y62 ;Y1 T L1Y1?> 2 ;Y;02 = 1=/ 2sTa htn A2 At /; 2s[h*)ng h g"qa 0 vRng tng trf vn hnh nhE nht vvRng 1 4+l2S l*4L T.l*4 A2 At \ t /; \ ;Y;0 1Y0 bhtn l2S l*4L T.l*4 1Y/ 3)* v( kh*)ng h Z nh"u tuy#n khf" Nng nh+hpnh trBnY hpnh K4"5Y Vng thng s*ng s*ng h* hpnh ag". J4K $)* v( kh*)ng h my 5ht Z tuy#n hpnhhq nht nh hpnh vh.

+, Ti-n ./ Tr0ng ))Phc trnh tp s bo v Rle Cng ty Thu in Thc !JKc tuy-n lA< vic cB0 bo v Nhong cch 1 S?>0TL gOng myL [hf" Nng ?;3F ?;1S?;0TT(n hiu 2mm th`": f g"an my+ L bhung rK*Y B" he. L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['> f t! X1a;= SX0a;=T r"

+, Ti-n ./ Tr0ng )#Phc trnh tp s bo v Rle Cng ty Thu in Thc ! L T&n h"(u Qma\+3)* v( kh*)ng h vRng 1 t Nng.3)* v( kh*)ng h vRng 0 t Nng.f trung tWm+L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.14@j !" # 0/ $hqng my crt hang ) 59s *: [h" \)y ra sC nhqng $)* v( f 5h:n to h hEng gf" t&nh"(u " Dt my Dt sau kh*)ng thV" g"an my Dt !a 5h:n to $% sC khng t Nng h* kyt 5haY ABng "(n sC vn Bn tn t8" nh vy my Dt vn ha t Nng. GgV" taa $)* v( S?;3FT v* nh_m me &h Dt my Dt 4"in48 trC t"#5 v9" my Dt hhEng d 4*8" trO ABng ngDn m8htrin h^ sC .Gi tTZ chOnh Znh:L ["dm tra ABng khf" Nng + 1 XL ThV" g"an Dt + ;Y0 s !" # tc dng:L bDt my Dt?;1S?;0T S Dt 48" 4:n 0 T. L bDtmy DtXQ. L gOng sC t my.L bDt my Dt 1>1S1>0T h* 1;;3.L bDt my Dt ?>1S?>0T.T(n hiu 2mm th`": f g"an myL bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1 SX0a;1T sngf g"anmy L bV h"(u ['1= f t! X1a;= SX0a;= T r" f trung tWm L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.

+, Ti-n ./ Tr0ng )'Phc trnh tp s bo v Rle Cng ty Thu in Thc !EEj Cth-ng !" :Th CBi: )Ck$ &daJ/1"(n5-=0U. gBngh8mt5hethuN v* "(n Aung !a m8h r*t*r. b5 )nh $* !a $)* v(sh khf" Nng kh" "(n trf r*t*r nhE hn > L ? kIQQ -2 JQ =02 = k ;Y;1;?X 1;Y? mXgBng "(n t Nng tng ng v9""(n trf m8h r*t*rnhE hn 1kIQQ -2S JQs [T =02S 1 k s ;Y6 k T 0> mXS [ L `"(n trf !a th"#t $% n" t"#5 ,aJ/1 TGi tTZ chOnh Znh:L 7" tr% khf" Nng !a ABng )nh $* + 1; mX L ThV" g"an t Nng + ? sL gBng t Nng " Dt + 0> mXL ThV" g"an Dt + 1> sL T Nng ABng ngDn m8h ng*" + 0 mX ` "dm n" tru . = bo v ch>< Gt Rotor9!" # tc dng:L bDt my Dt?;1S?;0T.L bDt my Dt XQ.

+, Ti-n ./ Tr0ng )2Phc trnh tp s bo v Rle Cng ty Thu in Thc !L gOng sC t my.L [hf" Nng ?;3F ?;1S?;0TT(n hiu 2mm th`": f g"an my L bhung rK*Y B" he. L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['1= f t! X1a;= SX0a;= T r" L T&n h"(u Qma\+ 3)* v( h8m t my 5ht t Nng f trung tWm L bhung rK*Y B" he. L T8" t! J;a;0SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.242j !" # @9p chUm t JtBt"T my $ht )5@N*: bh8m t \)y ra tr*ng m8ng "(n 5 my 5ht Z thd5ht h"(n $_ng "(n 5 th tC khng f :u uNn tam g" hf!a $"#n "(n 5 t f :u C my 5ht h* f :u ra!a $"#n "(n 5 trung t&nh.Tr*ng m8ng 1>Y6kU L trung t&nh n" t qua $"#n "(n 5TU1SY f h# N 4m v"( $pnh thVng "(n 5 th tC khngS >-;L "(n 5 4(h trung t&nhT t8" "dm u sa* !a uNnAWy stat*r *" nh $_ng khngY kh" Z h8m t mNt 5ha :uC thp "(n 5 th tC khng sh tcng 4in $_ng "(n 5 5haY$)* v( sh 4m v"(. GhM "dm !a 5hng 5h5 ny 4 h8mt ng g:n "dm trung t&nh N 4(h !a "(n 5 th tCkhng ng nhEY ng khZ 5ht h"(n sC .3)* v( hng h8m t stat*r !a Gh my thuz "(nTh . 5ht h"(n h8m t trin uNn AWy stat*r $_ng "(n5 th tC khng 4y t8" $"#n "(n 5 trung t&nh TU1S. 3)* v(khng 4m v"( M v9" sC h8m t g:n "dm trung t&nhvp khng ! N nh8y h* nin $)* v( ?@G h $)* v( Mkh*)ng @;H uNn AWy stat*r.`"(n 5 th tC khng M t 49n hn "(n 5 >-; tr*ngh# N vn hnh $pnh thVng.-?@G U; 1?H -G ;Y1?\1;;2 > 6Y/, U

+, Ti-n ./ Tr0ng )1Phc trnh tp s bo v Rle Cng ty Thu in Thc ! J3+ ` "(n trf t)" -Q+ ` "(n 5 A%h b7+` "(n Aung k s"nh uNn AWy my 5ht bn+` "(n Aung k s"nh AWy An bTr+ ` "(n Aung k s"nh uNn AWy .3X kh" bb+` "(n Aung uNn AWy .3X kh". . = bo v 13M ch>< Gt .t0tor ny M s"nh ra A* tO trVng qua khK hf khng kh& my 5ht $% mw*S 5h" hu kT h* A* ABng "(n th tC ngh%h tr*ng sC khng " \ng ) > 5ha. Tr*ng h# N vn hnh $pnh thVng"(n 5 h" $ > tn t8" tr*ng ) > 5ha v ng 5haY Wy 4

+, Ti-n ./ Tr0ng #3Phc trnh tp s bo v Rle Cng ty Thu in Thc ! thnh 5h:n !a "(n 5 th tC khng. [h"h8m t f:u uNn AWy S h8m t :u C my 5ht T thp "(n5 h" $ > f trung t&nh !a my 5ht tcng 4in g5 " s* v9"$pnh thVngY ngM 48" kh" h8m t f trung t&nh my 5ht thp"(n 5 h" $ > * M f :u C tcng g5 " tr*ng kh"Z g" tr% "(n 5 * M f trung t&nh rt nhE.Gh vy $)* v( 5h:n uNn AWy g:n "dm trung t&nh sh 4$)* v( "(n 5 th5.Tuy nh"in "(n 5 h" $ > Bn 5he thuN v* h# Nvn hnh !a my 5ht Sg" tr% lY T ng thV" ngDn m8h fkh*)ng g"qa uNn AWy Stat*r g" tr% "(n 5 h" $ > h:unhkhng ". g* vy $)* v( 4m v"( h"(u qu) kh" k#t hM5v9" $)* v( [email protected]" tr% "(n 5 h" $ > M htn th5 hn "(n 5 h"$ > tr*ng h# N vn hnh $pnh thVng.->GYm"n ;Y?\Q>GYm"n ;Y?\1H-G ;Y?\1>Y6kU2 1;; U /@ U-hnh %nh [ ant*n \ ->GYm"n 2 [ my $"#n 5 ;Y/\/@2 1>6 ;Y> U . = thP hin hAi bc ) trong + ;Y0 UL ThV" g"an h" $ > t Nng + ;Y1sL Ggng n_m ng*" !a ng sut S lm"n T+ =; HL `"(n 5 n_m ng*" ngng S U1Ym"n T+ 6; U!" # tc dng:L bDt my Dt ?;1S?;0T.L bDt my DtXQ. L gOng sC t my.L [hf" Nng ?;3F ?;1S?;0TT(n hiu 2mm th`": f g"an myL bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['1= f t! X1a;= SX0a;= T r" f trung tWm L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.S Cc bo v Nhc cB0 hEp bD (:!%&*' nh9 *(T 2&T '1T #%T*&T '3UV lA< bo v ? ph@ng cho hEp bD (:!%**' vW nguyHnlI lA< vic vA gi trX chYnh Xnh giCng nh cc chFc nZng nAytrong rle (:!%**'" 24+j !" # in $ th$ ) 2< *:Gi tTZ chOnh Znh:L 7" tr% khf" Nng th 1 + ,? UL ThV" g"an t Nng + > s L 7" tr% khf" Nng th 0 + ,? UL ThV" g"an t Nng+ > s!" # tc dng:L bDt my Dt?;1S?;0T L bDtmy DtA5 tOXQL gOng sC t myL [hf" Nng ?;3F ?;1S?;0TT(n hiu 2mm th`": f g"an myL bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['1= f t! X1a;= SX0a;= T r" f trung tWm

+, Ti-n ./ Tr0ng #*Phc trnh tp s bo v Rle Cng ty Thu in Thc !L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.245j !" # tnn s- ) ?1*: Gi tTZ chOnh Znh:L T:n s t Nng 5 1 + =, 'T+ sngn'nX1S'nX,TsC5h:n "(n.24?j !" # 2h"!ng cch ) 21*:Gi tTZ chOnh Znh:L gBng 5ht h"(n sC I + /Y,? XL `"(n 5 %nh d khf" Nng + ,? U

+, Ti-n ./ Tr0ng ##Phc trnh tp s bo v Rle Cng ty Thu in Thc !L ThV" g"an Auy trp 5 %nh + = sL Tng trf vRng 1 + 1Y1? L ThV" g"an t Nng vRng 1 + ;Y1 sL Tng trf vRng 0 + =Y@= L ThV" g"an t Nng vRng 0 + > sL Tng trf vRng Dt nhanh + 1Y@6 L ThV" g"an t Nng vRng Dt nhanh+ ;Y1s!" # tc dng:s URng 1Y 0+L bDt my Dt 1;;XL bDt my Dt 1>1S1>0TL [hf" Nng ?;3F 11;kUs URng 13+L bDt my Dt ?;1S?;0TL bDt my Dt XQL gOng myT(n hiu 2mm th`": f g"an my+L bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['> f t! X1a;= SX0a;=T r".L J4K a h ncng ,-./1 t Nng.L T&n h"(u Qma\+ 3)* v( kh*)ng h vRng 1 t Nng.3)* v( kh*)ng h vRng 0 t Nng.f trung tWm+ Lbhung rK*Y B" he.L T8" t! J;a;0SJ;a;>T+ sng n 'nX1S'nX,T sC 5h:n"(n.24@j !" # 0/ $hqng my crt hang )59s*:Gi tTZ chOnh Znh:L ["dm tra ABng t Nng + 1 XL ThV" g"an Dt+ ;Y0 s !" # tc dng:L bDt my Dt?;1S?;0T L bDtmy DtXQ.L bDt my Dt 1>1S1>0T h* 1;;3.L bDt my Dt ?>1S?>0T.L gOng sC t my.T(n hiu 2mm th`": f g"an my

+, Ti-n ./ Tr0ng #'Phc trnh tp s bo v Rle Cng ty Thu in Thc !L bhung rK*Y B" he.L `n sC S'nX1T t! X1a;1SX0a;1T sngf g"anmy L bV h"(u ['1= f t! X1a;= SX0a;= T r" f trung tWm L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.CCDNG EEE!" # my &i'n $ ch(nh 1t)2t*4.y$"#n5h&nh4mNt tr*ngnhqng5h:ntoquantrtng 4"in k#t my 5ht v9" h( thng. g* vy $)* v( !a 5h:nto ny 5h)"4m v"( v9"N t"n y a*. `"v9"my $"#n 5h&nh !a nh my th!y "(n Th . Z $)* v( sau+L 3)* v( s* 4(h my $"#n 5 v hng h8m t 5h&a 11;kU.L 3)* v( 4m mt my $"#n 5.L 3)* v( r4K gas.L 3)* v( qu ABng.

+, Ti-n ./ Tr0ng #%Phc trnh tp s bo v Rle Cng ty Thu in Thc !L 3)* v( AC 5hBng my Dt h hEng.Sau Wy ta sh 4:n 4Mt \Km \wt h" t"#t h ncng $)*v( . = ch ?@ng cB0 bo v !U[ chLnh &T\*T]9%41j !" # s" Ach my &i'n $ # ch-ng chUm t )?I2In v khng so Aeng hm h" $ ha".

+, Ti-n ./ Tr0ng #2Phc trnh tp s bo v Rle Cng ty Thu in Thc ! Ig" j I GYTr ISta$ IGYTr UR ng h m $sung 9_% JKc tLnh lA< vic cB0 bo v so lch !U[ &T \*T]9Gi tTZ chOnh Znh:LGgng khf" Nng !a $)* v( s* 4(h + ;Y>I2InLGgng khf" Nng !a 3USn ABng a* khng hm + @Y/I2InL`N ngh"ing !a t&nh 1 4m v"(+;Y0?L`N ngh"ing C A !a "dm 0 4m v"(+0Y? I2InL`N ngh"ing !a t&nh 0 4m v"(+;Y?LgBng tO hZa !a h" $ ha"+1?HL39 hnh %nh+ 0 hukL7"9" h8n hnh %nh h( s qu t)" +1Y? I2InLThV" g"an t Nng !a ABng s* 4(h+ ; sLGgng khf" Nng !a 3USn hng G. h8m t + ;Y>I2InL7Z g"9" h8n !a t&nh h8m t+11;*

+, Ti-n ./ Tr0ng #1Phc trnh tp s bo v Rle Cng ty Thu in Thc !!" # tc dng:L bDt my Dt?;1S?;0T L bDtmy DtA5 tOXQ L bDt my Dt 1>1S1>0T h* 1;;3.L bDt my Dt ?>1S?>0T.L gOng sC t my L [hf" Nng ?;3F my Dt ?;1 S?;0TL [hf" Nng ?;3F 11;kUT(n hiu 2mm th`": f g"an myL bhung rK*Y B" he.L `n sC S'nX1T sngf g"anmy L bV h"(u ['1 f t! X1a;= SX0a;=T r" L T&n h"(u Qma\+ 3)* v( s* 4(h .3X1TS 0T T t Nng.ftrung tWm L T&n h"(u Qma\+ 3)* v( s* 4(h .3X 1T S 0TT t Nng.L bhung rK*Y B" he.L T8" t! J;a;0 SJ;a;>T+ sng n 'nX1 S'nX,T sC 5h:n"(n.%42j !"#Ru0qngchUmt )59N*: hk$&d 5ha trC t"#5trin thanh " f u" 5h:n to M $)* v( v9" h# N 4m v"(C 8" !a h( thng.3)* v( qu ABng Dt nhanh thVng 4m v"( khng Z thV"g"an tr h* Z N tr rt $w.Tr*ng nh"u trVng hM5 ABng "(n khf" Nng $w rt khZ5ht h"(n g"qa ngDn m8h v qu t)". gBng "(n khf" Nngkhng thd thC h"(n thK* $"du th trin. Tr*ng trVng hM5 ny:n k#t hM5 v9" $N 4t thnh 5h:n " \ng !a ABng v 5S nh 4t thnh 5h:n th tC ngh%h v th tC khngT d nWnga* N nh8y !a $)* v(. Up tr*ng h# N 4m v"( $pnh thLVng thnh 5h:n " \ng ny khng \ut h"(n nin ta Zthd htn ABng khf" Nng $w hn..Nt $"(n 5h5 kh d tcng N nh8y !a $)* v( qu ABng4 k#t hM5 $)* v( v9" khZa "(n 5 g")m th5. ThK* nguyin 4ny thp kh" \ut h"(n ngDn m8h ABng qua h^ t $)* v(tcng Bn "(n 5 thp g")m th5Y hN" ! ha" "u k"(n nythp $)* v( t Nng. Tr*ng trVng hM5 qu t)" thp ABng "(ntcng nhng "(n 5 khng $% g")m nin $)* v( sh khng 4mv"(. Ghvy kh" Z khZa "(n 5 g")m th5 ABng "(n khf"Nng Z thd t&nh thK* "u k"(n 4m v"( $pnh thVng mkhng :n \wt #n h# N qu t)" sC .Gguyin 4 qu ABng "(n Z nhM "dm 4 khng )m$)* M t&nh htn 4t tr*ng 49" "(n 5h t85 S m8h vBngY 49"Z 5h:n to 4m v"( s*ng s*ngT Z nh"u ngun ung 5.`d )m $)* t&nh htn 4t ta a thim $N 5hn %nh h9ngng sut v* s $)* v(Y d $)* v( h Z thd 4m v"(thK* mNt h9ng ng sut nht %nhY hng h8n " tO thanhgZ5 v* Vng AWy. 3N 5hn ny 4m v"( ACa v* gZ 4(h5ha g"qa ABng h8y qua 5h:n to M $)* v( v 5 trin thanhgZ5.`d hng A8ng ngDn m8h khng " \ngY ngV" ta soAeng nhqng $)* v( 5h)n ng thK* thnh 5h:n " \ng !aABng SI0 Y I;TY 5 S-0 Y -;T v ng sut tng ng.Gguyin 4 4t thnh 5h:n " \ng tr*ng r4K s trpnh $y tr*ng 5h:n :u !a hng ny..y $"#n 5 h&nh ta h so Aeng $)* v( qu ABng Dt nhanh hng ngDn m8h h8m t S h ncng ?;GT.Gi tTZ chOnh Znh:L gBng khf" Nng ?;G L1+ 0; XL ThV" g"an t Nng ?;G L1 + 0 s

+, Ti-n ./ Tr0ng '*Phc trnh tp s bo v Rle Cng ty Thu in Thc !L gBng khf" Nng ?;G L0 + 0; XL ThV" g"an t Nng ?;G L0 + 0Y? s !" # tc dng:L bDt my Dt 1;;X v9" thV" g"an 0 g"Wy.LbDt myDt 1>1S1>0Th*1;;3v9" thV"g"an 0Y?g"Wy. T(n hiu 2mm th`": f g"an myL bhung rK*Y B" he.L `n sC S'nX1T sngf g"anmy L T&n h"(u Qma\+ 3)* v( qu ABng .3X1TY 0Tt Nng.ftrung tWm L T&n h"(u Qma\+ 3)* v( qu ABng .3X1TY 0T t Nng.L bhung rK*Y B" he.L T8" t! J;a;0SJ;a;>T+ sng n 'nX1S'nX,T sC 5h:n"(n.%4%j!" # Am mt my &i'n $ 1T ) 2T *:3)* v( 4m mt my $"#n 5 hng h"(n tMng 5ht nZngmy$"#n5Y hngg"hZah"(nvtcngkh)ncnghuydn t)" ng sut!a my $"#n 5.[h" my $"#n 5 ang vn hnh huydn t)" mNt 4Mng ngsut 49nY ABng "(n !a 5he t)"gWy ra 5ht nZng tr*ng uNnAWyY 4x" thw5 my $"#n 5Y trVng hM5 ngDn m8h ABng "(n sh49n trVng hM5 ny sh Z $)* v( my $"#n 5 t Nng 45 my$"#n 5 ra khE" ngun "(n. 3)* v( 4m mt h tham g"a v* $)* v( tr*ng trVng hM55he t)" 49nY nh"(t Ntcng a* h* mt ngun 4m mtY $m"(n h&nh $% h hEng h* khng 4m v"(.[h" mt ngun f ) ha" t! 4m mt h* mt ngun \*ayh"u h* ) = $m A:u tu:n h*n $)* v( 4m mt sh tNngNng v9"mNt tr*ng "u k"(n sau Wy+L .y $"#n 5 mang t)" %nh m SSGT Nng v9" mt 4mmt Nng v9"nh"(t N A:u my $"#n 5 49n hn h* $_ng/;;bv9" thV" g"an1? 5hrt.L .t 4m mt Nng v9" nh"(t N A:u my $"#n 5 49n hnh* $_ng /;;bv9" thV" g"an >; 5hrt.L .t 4m mt v9" thV" g"an /; 5hrt.3)* v( 4m mt my $"#n 5 t Nng " 45 .3X rakhE" h( thng.

+, Ti-n ./ Tr0ng ')Phc trnh tp s bo v Rle Cng ty Thu in Thc !

+, Ti-n ./ Tr0ng '#[.1 v [.0 f XkT 0L;1 ngDtSmt ngun 4m v"( h&nh v AC 5hBng*3m [.= v [., f XkT 0L;1 ngDt[.1 v [.0 f XkT 0L1;Smt ngun 4m v"( h&nh v AC 5hBngT3m [., v [.1; f XkT 0L1;ngDt[T?1?uT; A:u /;; bIt)" ImT Nng 45 kh" t mykJkJXGgXGgXGg[T?>;u[T?/;u`Zng ngun "u kh"dn [.1 S[.0T.b ?;1 S?;0T Zng.b ?>1 S?>0T Zng.b 1>1 S1>0Th* 1;;3 Zng`Zng $m A:u [.= f XkT 0L;1. `Zng $m A:u [.1; f XkT 0L1;4XGgXGgkJkJIt)" ;Y=ImT; ?;; bIt)" ;Y,?ImT; /;; bIt)" ;Y=ImIt)" ;Y,?Im[T;Y?s`Zng qu8t g"Z [.?Y [./ f XkT 0L;1`Zng qu8t g"Z [.11Y [.10 f XkT 0L1;`Zng $m A:u [., f XkT 0L;1.`Zng qu8t g"Z [.6Y [.@ f XkT 0L;1.`Zng $m A:u [., f XkT 0L1;.`Zng qu8t g"Z [.6Y [.@ f XkT 0L1;.`Zng $m A:u [.= f XkT 0L1;.`Zng qu8t g"Z [.?Y [./ f XkT 0L1;.T; =;; bGgDt $m A:u [., f XkT 0L;1.GgDt qu8t g"Z [.6Y [.@ f XkT 0L;1.GgDt qu8t g"Z [.?Y [./ f XkT 0L;1GgDt qu8t g"Z [.11Y [.10 f XkT 0L1;GgDt $m A:u [., f XkT 0L1;.GgDt qu8t g"Z [.6Y [.@ f XkT 0L1;.kJXGgXGg[T1 skJXGgkJXGgT; /;; bGgDt $m A:u [.= f XkT 0L1;GgDt .qu8t g"Z [.?Y [./ f XkT 0L1;.Phc trnh tp s bo v Rle Cng ty Thu in Thc !. = logic cB0 bo v lA< 1S?>0TL bDt my Dt 1>1 S1>0T h* 1;;3 L bDt my Dt XQL gOng sC t my L [hf" Nng ?;3F ?;1S?;0TL [hf" Nng ?;3F 5h&a 11;kUT(n hiu:L bhung kiuY B" hef trung tWmY g"an my L Sng nsC 5h:n "(nf g"an my v trung tWmLbVh"(u[',t!X1a;=SX0a;=T$)*v(4mmtmy$"#n 5t Nng L Sng n'nX1> SJ;a;=T sC klm L T&n h"(u Qma\+ 3)* v( tO h( thng 4m mtmy $"#n5 t Nng%4+j !" # TA` gBs my &i'n $ 1T ) 2T*: n $)* v( h&nh my $"#n 5Y nguyin tD h*8t Nng !ar4K gas ACa trin sf4 tt ) sC $in tr*ng my $"#n 5h* $in ng*"my $"#n 5 m An #n h"(n tMng un nZngA:u g")" th*t kh&Y kh& Z t trtng nhy hn A:u nin h"#m5h:n trin thRng my $"#n 5 kh" m kh& th5 5 4C nhE r4Kgas h t Nng f m $* t&n h"(uY Bn kh" sC t8* thnh kh&g"a tcng m8nh5 4C kh& tcng m8nh r4K gas t Nng.

+, Ti-n ./ Tr0ng ''Phc trnh tp s bo v Rle Cng ty Thu in Thc !3)* v( r4K gas my $"#n 5 so Aeng 4*8" r4K [Sk1 k"du3FL6;2 $ tr& $in tr*ng ng An A:utO $pnh A:u 5hen"v9" thRngmy $"#n 5Y $in tr*ng t ha" 5ha* f ha" m khnhauY $in tr*ng 5ha* ha t"#5 "dm th!y ngWn. 3pnh thVngtr*ngr4Kgas:yA:u5ha*n" 4int"#5"dmth!yngWn tr*ng 5ha* f tr8ng th" mfY kh" Z sC 4m A:u $ayh" 5 4C h" 4m 5ha* ngh"ing s* v9" v% tr& $an :u. nrh" $ ra y#uY h" t5 trung 5h&a trin 5ha*y 5ha*thnht4mZngt"#5"dmth!yngWn" $*t&nh"(uY 4r\)y ra sC ngh"im trtng h" $ ra m8nh 4m 5ha* th ha" h8\ung Zng t"#5 "dm th!y ngWn "Dt my $"#n 5 rakhE"ngun "(n.!" # TA` gBs mc &" t(n hiu:L bhung rK*f g"an my v trung tWm L Sng n h hEng 5h:n "(nf trung tWm v g"an my L Qma\+ 3)* v( r4K gas m $* t&n h"(u 4m v"(.!" # TA` gBs mc tc dng: L bDt my Dt ?;1S?;0TL bDt my Dt XQ.L bDt my Dt 1>1S1>0T h* 1;;3 L bDt my Dt ?>1S?>0TL gOng sC t my L [hf" Nng m8h hqa hy L [hf" Nng ?;3F ?;1S?;0TL [hf" Nng ?;3F thanh " 11;kUT(n hiu:L bhung rK*Y B" hef trung tWmY g"an my.

+, Ti-n ./ Tr0ng '%3* t&n h"(u. t NngJ4K 7asPhc trnh tp s bo v Rle Cng ty Thu in Thc !L Sng nsC 5h:n "(nf g"an my v trung tWmLbVh"(u['0t!X1a;=SX0a;=T$)*v(r4Kgasmy$"#n 5t Nng L Sng n'nX1> SJ;a;=T sC 678 L Qma\+ 3)* v( r4K gasmy $"#n 5 t Nng.%45j !"#0/$hqngmycrt hang)59s*: Ck$&d1S ?>0T. T(n hiu :L bhung kiuY *" he f g"an my v trung tWm.L Sng n sC 5h:n "(n f g"an myY trung tWm.L T8" t! X1a;=SX0a;=T+ V h"(u ['? $)* v( r4K gas my$"#n 5 11T S10TT.LT&nh"(uQma\+ 3)*v(r4Kgasmy$"#nth#11TS10TT t Nng.

+, Ti-n ./ Tr0ng %'Phc trnh tp s bo v Rle Cng ty Thu in Thc !Ch ng #!6 : 678 119,#E4!6: s" Ach TCMNC CE 119,:)? ,Y?= S 10;H Th . L 3#n bt. '9ng raVng AWyTThV" g"an khf" Nng + t> 0 s 3)* v( t Nng+ s bDt my Dt 1,0.s [hf" Nng ?;3F 11;kU .T(n hiu 2mm th`":L bB" he f trung tWm.L `n sC 5h:n "(n 11; kU 'nX1> sng.L bV h"(u [', r"+ .b 1,0 Dt sC .L `n 'n] sng+ V h"(u ha g")" trO.L `nnQg !a $)* v( sng.L Qma\+3)* v( t Nng Dt sC my Dt 1,0. 3)*v(kh*)nghmyDt 1,0tNng 1414%j x=ng 0>y 1 0 s. 3)* v( t Nng+ s bDt my Dt1,>.s [hf" Nng ?;3F 11;kU .T(n hiu 2mm th`":

+, Ti-n ./ Tr0ng ('Phc trnh tp s bo v Rle Cng ty Thu in Thc !L bB" he f trung tWm.L `n sC 5h:n "(n 11; kU 'nX1> sng.L bV h"(u [', r" + .b 1,> Dt sC .L `n 'n] sng+ V h"(u ha g")" trO.L `n nQg $)* v( sng.L Qma\+3)* v( t Nng Dt sC my Dt 1,>3)* v(kh*)ng h my Dt 1,> tNng 142j !" # Ru 0qng crt nhBnh Eyy )59j59N*: Tuy $)* v( kh*)ng h Z thd $)* v( trtn h"u A" LVng AWyY nhng kh" Z ngDn m8h g:n thanh " thp N t"n y!a $)* v( kh*)ng h vn khng )m $)*. Up th# ngV" tatrang $% $)* v( qu ABng Dt nhanh nh4 $)* v( AC 5hBngh* $)* v( kh*)ng h kh" Z ngDn m8h nh"u 5ha f g:nn" t $)* v(.3)* v( Dt nhanh 4 4*8" $)* v( )m $)* t&nh htn 4t$_ngh+ htnABng"(nkhf" Nng49nhnABng"(nngDn m8h 49n nht qua h^ t $)* v( kh" Z ngDn m8h fng*" 5h:n to M $)* v(. [h" ngDn m8h tr*ng vRng $)* v(ABng "(n ngDn m8h sh 49n hn ABng khf" Nng v $)* v( sht Nng. Up vy 5h8m v" $)* v( qu ABng Dt nhanh khngthd $a* trRm h"u A" Vng AWy M $)* v(Y Z tuy#nN 45 v t Nng khng Z thV" g"an tr.3in 8nh Z ta jng a $)* v( qu ABng th tC khng dhngtrVnghM5ngDnm8hh8mt. GguyintD4tABng th tC khng S>I;T trpnh $y tr*ng hng IIY $)* v(nyZNnh8ya*hn$)*v(quABngDtnhanh. T&nh"(u ABng "(n M 4y tO $"#n ABng bT0.ThWng s- chOnh Znh:14241j x=ng 0>y 1I; 0; XThV" g"an khf" Nng + t ; sT Nng+ s bDt my Dt1,0

+, Ti-n ./ Tr0ng (%Phc trnh tp s bo v Rle Cng ty Thu in Thc ! s [hf" Nng ?;3F 11;kU .1424%j x=ng 0>y 1 s [hf" Nng ?;3F 11;kU .14%j !" # Ru 0qng cz th=i giBn E y )51j51N*: L 3)* v( qu ABng Z thV"g"an 4 $)* v( qu ABng 4mv"( thK* t&nh thV" g"an 5he thuN. L b t&nh thV" g"an 5he thuN !a $)* v( qu ABngZ A8ng sau+s `N A t"iu hun S Vng *ng s 1T+` t&nh thV" g"anZ g"9" h8n nhE nhtY 4*8" t&nh ny thVng M ARng rNng r"d $)* v( m8ng 5hWn 5h".

s ` t&nh thV" g"an rt A S Vng *ng s 0T+` t&nhny thVng so Aeng kh" t&nh A hun khng )m $)*t&nh htn 4t.

s ` t&nh thV" g"an C A S Vng *ng s >T+` t&nhny th&h hM5 h* $)* v( my 5htY my $"#n 5 Nng 4CY5Y .. d hng qu nh"(t.

s ` t&nh AC 5hBng hng ngDn m8h h8m t S Vng*ng s =T+

+, Ti-n ./ Tr0ng ((t9_1EV9_92Lt1%_EV

L1t?9EV 2 L1t12EV

L1t)s19Phc trnh tp s bo v Rle Cng ty Thu in Thc !S Cc Kc tLnh th_i gi0n pha thuDc cB0 bo v ^u ?@ngTr*ng Z+ EV L gBng qua r4K t&nh quy " v g" tr% tng" s* v9" g" tr% t trin r4K. t L ThV" g"an 4m v"( !a $)* v( S sT.L`" v9" 49" "(nZtrungt&nhn" ttrCt"#5thVngARng $)* v( qu ABng th tC khng. 3)* v( t&nh tng ABng $a5haS>I;TZNnh8ya*hnvpkhnghnh%nhthK*ABng 5he t)" C 8" v thV" g"an 4m v"( $w hn.L b Vng AWy 11;kU htn t&nh thV" g"an rt ALUKry InvKrsKS Vng *ng s 0T.ThWng s- chOnh Znh:14%41j x=ng 0>y 1I; ;Y>0 sT Nng+ s bDt my Dt1,1 s [hf" Nng ?;3F 11;kU .14%42j x=ng 0>y 1I; ;Y=? sT Nng+ s bDt my Dt1,0 s [hf" Nng ?;3F 11;kU . 14%4%j x=ng 0>y 1I; ;Y;6 sT Nng+ s bDt my Dt1,>

+, Ti-n ./ Tr0ng (21119 19+12%EVPhc trnh tp s bo v Rle Cng ty Thu in Thc ! s [hf" Nng ?;3F 11;kU .14+j !" # 0qng TT, cz hng );I; 0; X ThV" g"an t Nng+ t ;Y> ss b5 0+ gBng khf" Nng+ >I; ?XThV" g"an t Nng+ t ;Y? ss b5 >+ gBng khf" Nng+ >I; 1 XThV" g"an t Nng+ t 0 s3)* v( t Nng " Dt my Dt 1,1.[hf" Nng?;3F11;kU .14+42j x=ng 0>y 1I; ,Y? XThV" g"an t Nng+t ;Y? ss b5 >+ gBng khf" Nng+ >I; 1Y? XThV" g"an t Nng+t 0 s 3)* v( t Nng Dt my Dt 1,0. [hf" Nng ?;3F 11;kU .14+4%j x=ng 0>y 1I* 0Y? XThV" g"an t Nng+ t ;Y? ss b5 >+ gBng khf" Nng+ >I* 1XThV" g"an t Nng+t 0 s 3)* v( t Nng Dt my Dt 1,>.

+, Ti-n ./ Tr0ng (1Phc trnh tp s bo v Rle Cng ty Thu in Thc ! [hf" Nng?;3F 11;kU .24 Ck$ &d sng.bV h"(u f lanK4 4N 1,= r" + my Dt 1,= Dt sC .`n 'n] sng+ V h"(u ha g")" trO.`n nQg!a $)* v( sng.Qma\+ 3)* v( kh*)ng h my Dt 1,= t Nng. 2j !" # Ru 0qng crt nhBnh Eyy )59j59N*: [h" Z ngDn m8h trin AVng AWy 1,=. 3)* v( qu ABngt Nng Dt nhanh khng thV" g"an. Tr% s hnh %nh !a ABng khf" Nng + I 0; XThV" g"an khf" Nng + t ; sTr% s hnh %nh !a ABng khf" Nng + >I; 1; XThV" g"an khf" Nng + t ; sT Nng+s bDt my Dt 1,=s[hf" Nng?;3F 11;kU .%j !" # Ru 0qng c/c Ui E y )51j51N*: L 3)* v( qu ABng Z thV" g"an $)* v( h* trVng hM5 ABngngDn m8h nhE. nm v"( thK* t&nh thV" g"an 5he thuN. Tr% s hnh %nh !a ABng khf" Nng + I ?X

+, Ti-n ./ Tr0ng 2)Phc trnh tp s bo v Rle Cng ty Thu in Thc !ThV" g"an khf" Nng + t ;Y;,= sTr% s hnh %nh !a ABng khf" Nng + >I; 1Y?XThV" g"an khf" Nng + t>I; ;Y0, sT Nng+ s bDt my Dt 1,=s[hf" Nng?;3F 11;kU .+j !" # 0qng TT, cz hng );5.'9ng ra VngAWy11;kU`aknngY tr% s hnh %nh e thd sau+ s b5 1+ gBng khf" Nng+ >I; 1? X ThV" g"an t Nng+t ;Y> ss b5 0+ gBng khf" Nng+ >I* 1; XThV" g"an t Nng+t ;Y? ss b5 >+ gBng khf" Nng+ >I* 1; XThV" g"an t Nng+t ;Y? s3)* v( t Nng Dt my Dt 1,=[hf" Nng?;3F 11;kU .5j !" # Ru 0qng in cz hng );I; Z N nh8ya* hn vp khng hnh %nh thK* ABng 5he t)" C 8" vthV" g"an 4m v"( $w hn.TTZ s- chOnh Znh:L gBng t Nng + I; 1Y? X L ThV" g"an t Nng + t 1Y0 s3)* v( t Nng+bDt my Dt 1;;X[hf" Nng?;3F my Dt 1;;X.Qma\+ 11; t Nng $)* v( qu ABng 1;;X.%j !" # 0 $hqngmy crt 199M hang4 gRng hM5 $N $)* v( ,SS?00. [h" \)y ra sC nhqng $)*v( f 5h:n to hhEng go" t&n h"(u " Dt my Dt 1;;X saukh*)ng thV" g"an ABng "(n sC vn Bn tn t8" nh vy myDt 1;;X vn ha t Nng h* kyt 5ha. Up vy ngV" ta a$)* v( S?;3FT nh_m me &h Dt tt ) my Dt 4"in h(trC t"#5 v9" my Dt h hEng.Gi tTZ chOnh Znh:L gBng khf" Nng + I ;Y0? I2InL ThV" g"an t Nng 1 + t1 ;Y1? sL ThV" g"an t Nng 0 + t ;Y> s!" # tc dng:L bDt my Dt 1;;X S Dt 48"T.

+, Ti-n ./ Tr0ng 2%Phc trnh tp s bo v Rle Cng ty Thu in Thc !L [hf" Nng ?;3F 11;kU.L Qma\+ 3)* v( ?;3F my Dt 1;;X t Nng :4 !" # my crt 199:7m Z ha" hM5 $N $)* v(+L 'M5 $N ,SX?00 Z h ncng h&nh 4 $)* v( kh*)ng h.L 'M5$N,SP/00Zhncngh&nh4$)*v(quABng%nh h9ng.bh ncng $)* v(+ bhng tt ) A8ng ngDn m8h\)y ra trin Vng AWy 1,1Y 1,0Y1,>Y1,= kh" 1;;3 thay th#.S !>ch ?@ng vA p cB0 bo v &33U9

+, Ti-n ./ Tr0ng 2(Phc trnh tp s bo v Rle Cng ty Thu in Thc !1j !" # 2h"!ng cch )21*4GhZm X tr% s " t g"ng tr% s F01 !a my Dt 1,1.GhZm 3 tr% s " t g"ng tr% s F01 !a my Dt 1,0.GhZm b tr% s " t g"ng tr% s F01 !a my Dt 1,>.GhZm g tr% s " t g"ng tr% s F01 !a my Dt 1,=.2j!" # Ru 0qng cz hng );T.L 3az* vKt re 4K gas maCy $"KEn aC5 >T.L 3az* vKt kh*azng aCh maCy $"KEn aC5 >T.L 3az* vKt quaC A*ng thoC toR kh*xng 5h9a 11;kU.L 3az* vKt quaC taz" maCy $"KEn aC5 >T.Se !*{ $*E tr9 $"KEn A*ng uza maCy $"KEn aC5 >T+

+, Ti-n ./ Tr0ng 21Phc trnh tp s bo v Rle Cng ty Thu in Thc !. = ch ?@ng bo v !U[ )T9E4 !" # s" Ach my &i'n $ %T :L n*8" $)* v(+ TL01.L [ h"(u vn hnh+ [X]1.L T! 4D5 t+ J>a;=.L 3)* v( s* 4(h 4 $)* v( h&nh.L Thng s hnh %nh+ gBng khf" Nng+ Ik ;Y?>= XgBng Dt nhanh+ IbG @Im

+, Ti-n ./ Tr0ng 133)* v( s* 4(h .3X %T3)* v( kh*)ng h.3)* v( I;Y qu t)".mlk3 11; kU3)* v( s* 4(h thanh " 11; kUTX1TX0TX>TX=1>>3)* v( s* 4ih >T`* 4 VnggC 5hBng3)* v( s* 4(h thanh " >? kUSkhng so AengTTX11/;;2?TX10/;;2?TX1>TX1=>>>gC 5hBng`* 4 Vngnm mt >TTX?1;;2?TX/>;;2?.b 1;;3TX1T>7+ /;;L10;;2?gC 5hBngTX1?TX1T>'+ >;;2?TX, TX6>TTX1/TX1,3)* v( qu ABng3)* v( s* 4(h >T?>>[lm 1; 2:TX?[+ 1;;;2?klm 11; kUklm >? kUu1u0u0u1u1u0u0u1u0u1Phc trnh tp s bo v Rle Cng ty Thu in Thc !'( s hm+ k' ;Y@L bh ncng $)* v(+ hng h8m h5 uNn AWy a*YtrungY h8 !a .3X >T.L URng $)* v(+ n_m tr*ng 5h8m v" g"9" h8n $f" $"#n ABng+TX1 5h&a 11;kUY TX11 5h&a >? kUY TX1, 5h&a 1; kU.bu t8* v nguyin 4 4m v"(+J4K s* 4(h | L01 Z u trr A8ng m*Au4 r"ing $"(t h*tOng 5haY m8h ngun $n An v9" r4K trung g"an :u ra.[h" r4K | L 01 gm m*Au4 sau+L .*Au4 ngun "u kh"dn .m.L > m*Au4 $)* v(h* > 5ha .l|.1j M"0uA &!" # s" Ach M7{|+ 7m $N 5hn sau+L .8h 4m v"(.L .8h hm 5h:n trcm.L b u "u hnh.0e !>ch lA< vic9S !a m8h 4m v"( nh sau+.8h 4m v"( gm tranrKatKr TXU :u nwn ABng ARng A"*A Ug1 Ug= v "(n trf J, J@. Tham s vBngAWy tranrKatKr v g" tr% "(n trf J, J@ v J> M htnd h* h_ngs thV" g"ant!a m8hth5 $_ngkh*)ng;Y;/ hu k t:n s ng ngh"(5. 7" tr% t"u ny M htnthK* "u k"(n h"(u hnh ABng Zng m8h sa* h* thnh5h:n khng hu k !a ABng ngDn m8h tr*ng vRng $)* v( LMh5theh*nt*n$f" m8htOhZa!aentrartKatKrtr*ng kh*)ng thV" g"an $_ng ;Y16 hu k t:n s ng ngh"(5.GhV Z r4K khng $% him. [h" Z ABng ngDn m8h hpnhs"n v9" thnh 5h:n khng hu k.[h" ABngngDnm8h8ttr%s49ntr*ngvRng$)*v(Ynht 4 kh"Z thnh 5h:n khng hu kY $"#n ABng !a$)* v( Z thd $% $* hBa. [h" Z tr*ng ABng th 5 !a $"#nABng \ut h"(n *8n ngDt qung. `d )m $)* N t"n y vt N 4m v"( !a r4K tr*ng trVng hM5 ny ngV" ta ARngm8h Dt nhanh s* 4(h gm+ Ug?Y "(n trf J0Y J=Y J?Y teb1Y b/Y v r4K lT. Tr% s t Dt nhanh Z thd 4 /Im h*@Im nhV v* *n n" '0. `" v9" nh my Th . t @Im.`d )m $)* m8h tha* t hng nh"u a* t:nY ngV" tamD te "(n Z "(n Aung nhE b? s*ng s*ng v9" uNntranrKatKr.[h" Zng my $"#n 5 khng t)"Y h* Dt ngDn m8hng*" thp sh Z h"(n tMng nh)y ABng tO hZaY ABng tO hZa qu

+, Ti-n ./ Tr0ng 1&IlIl'Phc trnh tp s bo v Rle Cng ty Thu in Thc !N Z thd 8t tr% s 49n g5 nh"u 4:n ABng "(n Aanh %nh!a my $"#n 5Y mt kh ABng tO hZa h h8y Z mNt 5h&anin ABng "(n f uNn AWy $in k"a $_ng khng. 3)* v( s*4(h Z thd )m nhn sa" nh 4 ngDn m8h tr*ng my $"#n 5.`d khD 5he "u ny ngV" ta 4M" Aeng thnh 5h:n sZngh" $ ha" kh" Zng my $"#n 5 khng t)" a v* m8h hm.7t" 4 m8h hm sZng h" $ ha". Tr*ng r4K |L01 m8h hmsZng h" $ ha" gm Z "(n trf J>Y $N 4t sZng h" th 5|l L b0. b:u hnh 4u Ug1; Ug1>Y te san $_ng b=.be !>ch hf< phgn trZY? ms.S kh"+

+, Ti-n ./ Tr0ng 1)10>=10>==Y11Y?;Y=/0Y;?[T;Y@Il)ITIsITII T[h0Oc tinh h0j< cu0 ra le so le6ch T m $* t&n h"(u.Mc tc dng:s bDt my Dt 1>> Sh* 1;;3TY m X3 my Dt1>> Sh* 1;;3T.s bDt my Dt>>>Y m X3 my Dt >>>.s bDt my Dt?>>.s [hf" Nng ?;3F 11; kU. T(n hiu 2mm th`"4s bB" he f trung tWmY g"an my.s `n 'nX1? sC 5h:n "(n .3X >T sng.s bV h"(u ['1 r" f J>a;=+ 3)* v( r4K gas.3X >Tt Nng.s Qma\+ 3)* v( r4K gas !a .3X >T t Nng. . = ch p bo v Nhong cch9EEE4 !" # 2h"!ng cch my &i'n th' %T:L n*8" $)* v(+ PL06;1.

+, Ti-n ./ Tr0ng 1%X[13U[b 5 1X[03U[b 5 0X[3[h* hng hEng m8h 5X,1;3,1;b,1;G,1;',1;[,1;-,1;TO $"#n "(n 5 T-11 ST-10T1;?@L0/[email protected] trnh tp s bo v Rle Cng ty Thu in Thc !L [ h"(u vn hnh+ 5 1L X[1 5 0L X[0.L T! 4D5 t+ J>a;?.L bh ncng $)* v(+ $)* v( AC 5hBng h* .3X >T v LVng AWy >?kUY hng ngDn m8h nh"u 5ha.L Trj s*E !aft+ 7*C nhaRy oR !aR"+ .a\ 6;; . yaf tuyKEnhnh tr*n.ThWng s- chOnh Znh: . b5 1+ 1k >1Y? .ThV" g"an+t1 1 st0 1Y? s` t&nh hpnh trBnY A%h ? H v gZ th nht.. b5 0+ 1k ?=Y?0 ThV" g"an+ t1 0Y? st0 > s.` t&nh hpnh trBnY A%h 10 H v gZ th >.!" # tc dng:.b5 1 SX[1T+Sau thV" g"an 1 s t Nng.s bDt my Dt >>>.s bm X3 my Dt >>>.TLn hiu Nl< theo9s bB" he f trung tWm.s Sng 'nX1? n sC 5h:n "(n .3X >T.s bV h"(u ['? r"+ 3)* v( kh*)ng h 5 1 .3X >Tt Nng.s T&n h"(u my Dt >>> Dt sC .s Qma\+ 3)* v( kh*)ng h 5 1 .3X >T t Nng.Sau thV" g"an 1Y? s n#u Bn tn t8" sC .sbDtmyDt1>>h*myDt1;;3Y mX3my Dt 1>> S h* my Dt 1;;3T.s [hf" Nng ?;3F 11; kU.s bDt my Dt >>>Y m X3 my Dt >>>.s bDt my Dt ?>>.TLn hiu Nl< theo9s bB" he f trung tWm.s Sng n 'nX1? sC 5h:n "(n .3X >T.s bV h"(u ['@ r"+ 3)* v( kh*)ng h 5 1 .3X >Tt Nng.s T&n h"(u my Dt 1>> Dt sC .s T&n h"(u my Dt >>> Dt sC .

+, Ti-n ./ Tr0ng 1(Phc trnh tp s bo v Rle Cng ty Thu in Thc !s T&n h"(u my Dt ?>> Dt sC .s Qma\+ 3)* v( kh*)ng h 5 1 .3X >T t Nng.. b5 0+ X[0.Sau thV" g"an > s $)* v( t Nng.s bDt my Dt >>>.T&n h"(u km thK*+sbB" he f trung tWm.s Sng n 'nX1? sC 5h:n "(n .3X >T.s bV h"(u ['/ r"+ 3)* v( kh*)ng h 5 0 .3X >Tt Nng.s T&n h"(u my Dt >>> Dt sC .s Qma\+ 3)* v( kh*)ng h 5 0 .3X >T t Nng .Sau thV" g"an >Y? s n#u Bn tn t8" sC .sbDtmyDt1>>h*myDt1;;3Y mX3my Dt 1>>S h* my Dt 1;;3T.s [hf" Nng ?;3F 11; kU.s bDt my Dt >>>Y m X3 my Dt >>>.s bDt my Dt ?>>.T&n h"(u km thK*+s bB" he f trung tWm.s Sng n 'nX1? sC 5h:n "(n .3X >T.s bV h"(u [', r"+ 3)* v( kh*)ng h 5 0 .3X >Tt Nng.s T&n h"(u my Dt 1>> Dt sC .s T&n h"(u my Dt >>> Dt sC .s T&n h"(u my Dt ?>> Dt sC .s Qma\+ 3)* v( kh*)ng h 5 0 .3X >T t Nng .V ,hzB Aihn dng ch-ng h hang mUch $ M, ) ;?*:y*E" veC" $az*vKtkh*azngaCh*Cnh"K{uyKEut*Eaznh hoezng !KEn soR 4am v"Kt nho sa" s*E uza maCy $"KEnA*ng !"KtnY $"KEn !"Ktn aC5Y !"Ktn trez quaC !*t taR" h*ngaNn maRh va Aa* !*tng !"KtnY ho h*zng maRh aC5. yKkhaN 5huR soR aznh hoezng A* ho h*zng maRh aC5 ngoe" taAung $*t 5hatn k"Km tra !"Ktn aC5 !K 4am !"K{u k"Ktnh* 5hKC5 re4K kh*azng aCh 4am v"Kt hay kh*xng.[h" *Choh*zngmaRhaC5nho!oCt maRhY hayhaRm!aEt aC 5ha XYb S 5ha 3 n*E" !aEt T maRh thoC aE5 uza$"KEn !"Ktn aC5. [h" !*C $*t 5hatn !* 4oeng t*ng trez uzare4K t*ng trez sKO azm nhatn h"Ktn toeRng ngaNn maRh vaAaZn !KEn taC !*tng sa" nKEu kh*xng *x 4at5 re4K kh*azngaCh.

+, Ti-n ./ Tr0ng 12Phc trnh tp s bo v Rle Cng ty Thu in Thc ![h*Ca4"Kxn!*tngh*Enghoh*zngmaRhaC5h*re4Kkh*azngaCh$az*vKtmaCy$"KEnaC5uzanhamaCyThaC .e+n*aR" re4K+ [l L 10[yC h"Ktu se !*{+ X[3Tuz 4aN5 !aft+ J>a;?Ch8c n0_ng v0F nguye,n ly ho0mt Bo6ng9 Je4K [l L 10 4am v"Kt AoRa trKxn nguyKxn 4yC 4*R thanh5ha{n aC5 thoC toR nghjh tr*ng maRh thoC aE5 uza $"KEn!"Ktn aC5 kh" *C ho h*zng maRh aC5Y r*{" h* t9n h"Ktu !a{ura $ang t"KE5 !"Km uza re4K !a{u ra. T"KE5 !"Km thoengmez Aung !K $aC* t9n h"Ktu ho h*zngY t"KE5 !"Km thoeng!*Cng Aung !K *x 4at5 maRh ngu*{n uza $az* vKtkh*azng aCh maCy $"KEn aC5.Trj s*E !aft+ .aRhaC5-X ~ G-3 ~G-b L G-[ ~ G-[ ~ h-k! SUT 1? >; >; 16Y> 16Y>[h" re4K kh*Ca taC !*tng n*C sKO *x 4at5 re4K kh*azngaCh kh*z" ngu*{n !"K{u kh"Kn. 3aC* t9n h"Ktu $ang !Knho h*zng saCng ez trung taxm va g"an maCy.s Qma\+ 'o h*zng maRh aC5 \*ay h"K{u $az* vKtkh*azng aCh.E:4 !" # Ru t!i MM %T:L n*8" $)* v(+ lT =;2 0.L [ h"(u vn hnh+ [X>.L T! 4D5 t+ J>a;?.L bh ncngY hng qu t)" .3X >TY trnh h hEng A* qunh"(tY h ARng d $* t&n h"(u.L Thng s hnh %nh+ Ik ;Y66 X S 1Y> ImT.L 3)* v( t Nng $* t&n h"(u sau thV" g"an @ s kd tO kh"\ut h"(n qu t)".. bhung kiu f trung tWm.. Sng n 'nX1? h hEng 5h:n "(n >T.. Qma\+ .3X >T qu t)" .:4 !" # Ru 0qng TT,:L n*8" $)* v(+ lT =;21;.L [ h"(u vn hnh + [X=.L U% tr& 4D5 t+ J>a;?.ThWng s- chOnh Znh :

+, Ti-n ./ Tr0ng 11Phc trnh tp s bo v Rle Cng ty Thu in Thc !Ik ?Y> Xt ; sJ4K ABng [X= u v* trung t&nh !a $"#n ABng TX0$)* v( hng ngDn m8h h8m t tO my Dt 1>> #nuNn sa* 11;kU.!" # tc dng:. bDt my Dt 1>> h* my Dt 1;;3Y m X3 myDt 1>>S h* my Dt1;;3T.. [hf" Nng ?;3F 11;kU.. bDt my Dt >>>Y m X3 >>>.. bDt my Dt ?>>.T(n hiu 2mm th`":. bB" he f trung tWm.. Sng n 'nX1? sC 5h:n "(n .3X >T.. bV h"(u ['6 r"+ 3)* v( qra ABng TT[ !a .3X >T tNng.. T&n h"(u my Dt 1>> Dt sC .. T&n h"(u my Dt >>> Dt sC .. T&n h"(u my Dt ?>> Dt sC .. Qma\+ 3)* v( qu ABng TT[ !a .3X >T t Nng . CCNG :EE!" # =ng 0>y %5 ,:3)* v( Vng AWy >?kU ARng $)* v( qu ABng > 5 SthK* th"#t k# T r"ing Gh .y Th!y "(n Th . h ARng 0 5 + 5 1 v 5 0 S $)* v(

+, Ti-n ./ Tr0ng &33Phc trnh tp s bo v Rle Cng ty Thu in Thc !3)* v( qu ABng ARng d hng ngDn m8h nh"u 5haT Nng " Dt my Dt Vng AWy >?kUTTZ s- vt :`Vng AWy >,, " lh9 n*ngt! J?a;, b5 1 + I[` 0? XY t ; s.b5 0 + I[` /XYt ;Y0 s.Tc Dng i cbt r" SJ?a;, T+ 3)* v( qu ABng 5 0 Vng AWy >,,`Vng AWy >,1 " 3R `cng t! J?a;, b5 1+ I[` 0? XY t ; s.b5 0+ I[` /XYt ;Y0 s.Tc Dng i cbt r" SJ?a;6 T+3)* v( qu ABng 5 0 Vng AWy >,1CCNG :EEE!" # ,78 # cc =ng 0>y 19 2:ChOnh Znh ^A` &!" #4

+, Ti-n ./ Tr0ng &3*Phc trnh tp s bo v Rle Cng ty Thu in Thc !E4 !" # Ru 0qng # in $ gi!m th$ my crt 5%%.^A` >.s tt 1Y? s+ bDt my Dt >>>bDt my Dt 1>>[hf" Nng?;3F 11;kUT(n hiu 2mm th`":s `n nKA sng t8" $)* v(.s T&n h"(u B"Y hung f trung tWm.s T&n h"(u sng n sC h( thng 1; kU.s Qma\+ .y Dt ?>> Dt sC ..y Dt 1>> Dt sC .y Dt >>> Dt sC 3)* v( qu ABng '( thng 1;kU t Nng.EE4 !"#ch-ngchUmtmUng192:. Ck$&d^A`>..8ng1;kU4m8ngtrungt&nhhtY $pnhthVng"(n 5 tng trin uNn tam g" hf $_ng khng. [h" \)y ra sC

+, Ti-n ./ Tr0ng &3)Phc trnh tp s bo v Rle Cng ty Thu in Thc ! h8m t thp 5ha h8m t Z "(n 5 $_ng khngY ha"5ha Bn 48" "(n 5 tcng 4in $_ng "(n 5 AWy. nr ny "(n5trinuNntamg"hf4tngvKt!aha" 5hakhngh8m t tcng 4in rt 49n. 3)* v( sh t Nng. TTZs-vt cB&!"#ch-ngchUmt 192:.s5@N:s -ak 1? U S-a 4 "(n 5 trin uNn tam g" hfT.Tc dng:s tk 1s Dt my Dt?,1.s tk 0s Dt my Dt?61.s tk >s Dt my Dt?,,.s tk =s Dt my Dt?,>.s tk ?s Dt my Dt?,?.s tk /s Dt my Dt?>>.!" # in $ gi!m th$ s2>.s -Tk ,; U S-4 "(n 5 AWy !a uNn th 5 usa*T.EEE4 !" # Ru in $ s5@ Ck$ &d &!" # ; U.s tk 1Y? s+ bDt my Dt ?>>.s -k 1>? Us tk ; s+ bDt my Dt ?>>T(n hiu 2mm th`":s `n nKA sng t8" $)* v(.s T&n h"(u B"Y hung f trung tWm.s T&n h"(u sng n sC h( thng 1; kU.E:4 !" # ch" cc wut tuy'n 192: . Ck$ &d >.3)* v( qu ABng Z thV"g"an t&nh 5he thuN IQbF?1.s Ik ;Y> X ;Y1I2IGs tt ;Y? s+ bDt my Dt ?,>.3)* v( hng qu t)" .3X ?T +s '( s qu t)"+k ;Y=s '_ng s thV" g"an+t 1;5hrt.T&n h"(u km thK*+s `n nKA sng t8" $)* v(.s T&n h"(u B"Y hung f trung tWm.s T&n h"(u sng n sC h( thng 1; kU.s T&n h"(u f h( thng g"m st Q.Xa.c4 Ngn $h t!i 5>.3)*v(quABngDt nhanht&nh5hethuNIQbF?1.s Ik ;Y>> X ;Y1 I2IG

+, Ti-n ./ Tr0ng &3'Phc trnh tp s bo v Rle Cng ty Thu in Thc !s tt ;Y? s+ bDt my Dt ?,?.3)* v( hng qu t)" .3X /T+s '( s qu t)"+k ;Y=s '_ng s thV" g"an+t 1;5hrt.T&n h"(u km thK*+s `n nKA sng t8" $)* v(.s T&n h"(u B"Y hung f trung tWm.s T&n h"(u sng n sC h( thng 1; kU.s T&n h"(u f h( thng g"m st Q.Xa.04Ngn $h t!i 5.3)*v(quABngDt nhanht&nh5hethuNIQbF?1.s Ik ;Y6>X ;Y0I2IGs tt ;Y? s+ bDt my Dt ?,,.3)* v( hng qu t)" .3X 6T+s '( s qu t)"+k ;Y=s '_ng s thV" g"an+t 1;5hrt.T&n h"(u km thK*+s `n nKA sng t8" $)* v(.s T&n h"(u B"Y hung f trung tWm.s T&n h"(u sng n sC h( thng 1; kU.s T&n h"(u f h( thng g"m st Q.Xa.`4 Ngn $h t!i 5?1:3)* v( qu ABng Dt nhanh SF?;T+s Ik =Y,0 X 1 I2IG.s tt ; s+ bDt my Dt ?61Y khZa $)* v( F?; !a ngcn?>>.3)*v(quABngDt nhanht&nh5hethuNIQbF?1.s Ik ;Y>@ X ;Y1I2IGs tt ;Y? s+ bDt my Dt ?61.3)* v( hng qu t)" .3X /T+s '( s qu t)"+k 1Y0s '_ng s thV" g"an+t 1;5hrt.T&n h"(u km thK*+s `n nKA sng t8" $)* v(.s T&n h"(u B"Y hung f trung tWm.

+, Ti-n ./ Tr0ng &3%Phc trnh tp s bo v Rle Cng ty Thu in Thc !s T&n h"(u sng n sC h( thng 1; kU.s T&n h"(u f h( thng g"m st Q.Xa.7hnn $h Ac

+, Ti-n ./ Tr0ng &3( kJxUi Akng nu #" tng t/ cB thi't &ZPhc trnh tp s bo v Rle Cng ty Thu in Thc !

+, Ti-n ./ Tr0ng &32 "#$%$&'$ ( ) *L 1"D+,, -%./0 D+,, 1+/0 21 s E 0i yy JtBg` t 3436AT *-D*((."T(n hiu nu #" nhZ $h>n t3 &hn ng"i cz chc nng s ) ThWng &" 'n thi't &Z*4T(n hiu A"gic nu #" cB thi't &Z T(n hiu A"gic nu TB cB thi't &ZT(n hiu #"_ TB nhZ $h>n &hn ng"i ) t(n hiu thWng &" t3 thi't &Z *xUi Akng nu #" tng t/ CQng 6^CQng MN]_ : xnu #" !" Th=i giBn tTD cB Anh 2hi dng h"vc Anh crt 3441D*((. P#OT.ONO((ThBm s- chuy}n Qi tUi ZB chO 2991:. Cz chc nng: ]i4 7T"t4 "D+,, -%./0Phc trnh tp s bo v Rle Cng ty Thu in Thc ! 7h" hr+ 1* : [hng so Aeng h* my 5ht v Nng Pha lac &9 . = dogic cB0 bo v so lch

+, Ti-n ./ Tr0ng &31Phc trnh tp s bo v Rle Cng ty Thu in Thc !#h$ l$c !: S Logic ca bo v ch%m &t 1''(stato)

+, Ti-n ./ Tr0ng &&3Phc trnh tp s bo v Rle Cng ty Thu in Thc ! #h$ l$c ": S Logic ca bo v thi*+ ,-ch th-ch

+, Ti-n ./ Tr0ng &&&Phc trnh tp s bo v Rle Cng ty Thu in Thc !#h$ l$c .: S Logic ca bo v /+ 01g 223#h$ l$c 4: S Logic ca bo v /+ p

+, Ti-n ./ Tr0ng &&*Phc trnh tp s bo v Rle Cng ty Thu in Thc !#h$ l$c 5: S Logic ca bo v ,hog cch#h$ l$c 6: S Logic ca bo v i p gim th&p

+, Ti-n ./ Tr0ng &&)Phc trnh tp s bo v Rle Cng ty Thu in Thc !#h$ l$c 7: S Logic ca bo v t8 s9#h$ l$c :: S Logic ca bo v 0; ph1g my c