1 MRS 751107-MUM R LE BO V REX 521Issued: 29.11.2001

Version: D/17.11.2003 Hng dn vn hnh.

We reserve the right to change data without prior notice.

NI DUNG 1. Thng bo an ton ....................................................................6

2. Cu to ...............................................................................7 2.1. REX 521 R le bo v .............................................................7 3. Kt cu ......................................................................................8 3.1. HMI features .................................................................................8

3.1.1. Chc nng cc phm bm ............................................10

3.1.2. Chn ngn ng .............................................................11

3.1.3. Kho .................................................................................12

3.1.4. Bt n ch th .. ..............................................................12

3.1.5. tng phn LCD.............................................................12

3.1.6. Th b ch th LCD...............................................................13

3.1.7. La chn cc gi tr nht th................................................13

3.1.8. Cng ni cp quang cch ly ....................13

3.2. Danh mc giao tip .....................................................................14

3.2.1. Danh mc o lng .........................................................15

3.2.2. Danh mc mc cho php.....................................................16

3.2.3. iu khin bng tay.............................................................17

3.2.3.1.Ti ch/T xa La chn v tr ........................17

3.2.3.2. iu khin my ct . .............................................17

3.2.4. Ci t cc thng s ............................................................19

3.2.5. Ci t s liu . ..............................................................19

3.3. Ch bo hm th .. ...................................................................20

3.3.1. Thng tin v bo v .......................................................20

3.3.2. thng tin v gim st.........................................................21

3.3.3. Ch bo v gim st .. ........................................22

3.4. n ch th ...............................................................................23

3.4.1. n xanh ch thi ( c ) ........................................23

4. Phng thc th nghim.................................................................25 4.1. Th u vo / u ra.......................................................................25

4.2. Th IRF ........................................................................................26 4.3. Th chc nng kho ......................................................................26

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5. Thng bo ........................................................................... 27

6. Cc a ch ........................................................................... 28

7. Ph lc A : Cc chi tit ... ............................................... 31

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i c Version D/17.11.2003: c thay i cc mc 3.1., 3.2.3.1. v mc 5. - c thay i cc bng 3.1.1-1, "Chc nng cc phm bm,"

trang 10, bng 3.2.1-1, " Hin th o lng ," trang 15, bng 3.2.1-1, " Ch th o lng " trang 15.

- Thay i hnh v . 3.2.-1.

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1. Thng bo v an ton

in p nguy him trn cc im u ngay c khi ngt in p cp ngun. Phi tun th cc nguyn tc an ton in ca a phng V ngnh v quc gia. Trong thit b c cc phn t nhy cm d phng inj Nguy him. Phn v thit b cn phi tip t an ton. Ch cho php cc chuyn gia v in mi c php lp t thit b. Vic khng tun th cc nguyn tc lp t, gim st d Gy cc tai nn v in. Lm rch tem bo hnh sau thit b s khng c bo

hnh v thit b lm vic khng chun xc.

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2. Ch dn

Mc ch chnh ca bn hng dn l cung cp cc thng tin c bn ca r le bo v REX 521 i C, iu quan tm c bit gii thch trong tnh cht truyn d liu ngi - myne interface (HMI). Cn phi tm hiu trong r le REX 521mc Technical Reference Manual, General ( xem "References" trang 27).

2.1. REX 521 R le bo v R le bo v REX 521 c thit k s dng cho bo v, iu khin, o lng v gim sat vi cp in p trung th. Cc ng dng c bn s dng rt thch hp bo v cc t l tng, cc t ph ti ca trm. R le c thit k cc bin p u vo bin i dng in v in p.Mt khc phn cng c cc u vo cp cho cc cm bin dng in v in p..

Trong r le bo v s dng c bn cc iu kin a h. Cc hin th th hin trn mn hnh LCD ( mn tinh th lng) c cc bng ch th ti ch khc nhau, d dng ly c cc thng tin cha trong cc th mc. Cng ngh chung ny c p dng cho c phn cng v phn mm ca r le..

R le REX 521 c phn mch t ng s dng cho t ng ca cc trm in v m rng m cc chc nng khc khi s dng trong tng lai..

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3. 3.1.

Ch dn

Giao tip ngi my HMI Cc c trng c bn Phm bm gii tr , [C] xo/b qua V phm [E] Enter ( ng ) La chn ngn ng. Ci t cc thng s v bo v bng kho.

Hin th phn lu tr. Hin th phn tng phn Hin th phn th nghim. La chn cc gi tr nht th. Cc ca cng cch ly kt ni cp quang. Ba n ch bo tn hiu. Tm n tn hiu cho cc lp trnh LEDs

1 MRS 751107-MUM R LE BO V REX 521 HNG DN VN HNH

Fig. 3.1.-1 HMI Mt trc. 1. Cc n tn hiu LEDS. 2. n tn hiu : Ct, s c my ctCBFP 3. n tn hiu : khi ng, kho 4. n tn hiu : c thng s , IRF, th nghim. 5. Mn tinh th lng LCD. 6. Cng kt ni cp quang vi my tnh. 7. Cc phn bm chuyn dch. 8. Phm bm xo / b qua. 9. Phm bm xc nhn, ng .

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Cc chc nng ca cc phm bm.

Thc hin n trn cc phm : Trn [T] hoc di [J.] lm r mt bc ln hoc xung trong th mc hoc mt bc nh trong mc ci t, chnh nh cc thng s. dng ch th ( chut ) hng trc v sai trong th mc ; n phm [T]

quay tr v dng trc hoc n phm [J.] chy xung dng sau.

Nu gi cc phm [T] hoc phm [J.] , cc th mc s t ng chy nhanh hn so vi bm tng ln mt.Cc nt bm chuyn i , cc nt bm xo, xc nhn. ln

Tri phit

Xc nhn xo

xung Hnh . 3.1.1.-1 Cc phm bm. bng sau c cc gii thch ngn gn ca cc phm bm v cc chc nng khc. Bng 3.1.1-1 Chc nng cc phm bm

Ln / xung Cc phm bm ny dng : Di chuyn th mc ln hoc xung

Cun cc s, thng s khi xc nhn. Cc gi tr ci t mi.Tri / phi Cc phm bm ny dng : Dch chuyn th mc sang tri hoc sang phi. Thay i cc s, thng s khi xc nhn, ng Cc gi tr ci t mi.Xo / b qua Cc phm bm ny dng : Gi nguyn phn ci t khng thay i cc gi tr Quay tr li trang u ca bng danh mc chinh ca trm Xo cc ch th trong hm th .. Xo phn mc khi xut hin mc trn LCD tu la chn ( Gi 2 giy ) Xo cc n tn hiu LEDs Khi la chn trn mn hnh chnh ( Gi 2 giy ) Gii tr s c cui cc r le u ra ( Gi 5 giy) Xc nhn Cc phm bm ny dng :

Xc nhn dng ci t v cc thng s

Khng nh, chp nhn cc gi tr mi khi ci t cc thng s. Phi hp gia cc phim [T] hoc [1] iu chnh li tng phn ca mn hnh. 10

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Bng 3.1.1-1 Cc chc nng ca cc phm bmXo / B qua & Xc nhn

C E Khi gi cc phm ny ng th i trong 5 giy dng : Ci t li cc r le u ra, cc mc v tt c cc gi tr ng k ca cc chc nng kho.

Xo cc d liu ghi s c.

3.1.2. La chn ngn ng. Ngng ng chnh Nhm th mc Bng nhm th mc cc thng s Th mc

F

Bng. 3.1.2.1 La chn ngn ng. 1. La chn bng cc phm [J.] v [---)] cu hnh th

mc chnh, thit lp trong nhm cc th mc, phn mm trong cc th mc ca trm v ngn ng chnh trong cc thng s ca ngn ng lm vic.

2. n Phm ( J ) cho n khi xut hin hng sau trn mn hnh LCD khi ng sng n. Lc ny la chn ngn ng tu bng cch n phm [ J ] v [T] .

3. Khng nh la chon bng cch n phm [E] , Mt khc nu b qua la chn bng cch n phm [C] .

Sau khi la chn phn ngn ng, trn mn hnh s th hin ngn ng mi v khi phc cc la chn bng cch tt ngun cp v khi ng li..

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3.1.3. CC KHO M.

Hnh . 3.1.3.-1 Th mc cc kho m

Cc gi tr ci t c bo v bng kho m. C hai loi kho m khc nhau, mt bo v cc gi tr ci t cho HMI v kho kia dng bo v cc ci t cc hnh thc kt ni khc.. Cho kt ni cc thng s s dng m kho mc nh 001 v cho cc thng s

HMI s dng m kho mc nh 999.. M kho HMI khng tc ng cho n khi c s thay i cc gi tr mc nh.

Sau khi thay i cc gi tr nyt, yu cu m kho khi n phm [E] khi ci t cc gi tr ny vo th mc. mt khc m kho s c duy tr biu tng cho n khi khgi ng ht thi gian tc ng ca mn hnht. du m kho HMI d, khi thay i cn a v m kho mc nh 999..

Cn phi nh cc m kho c , C th th hin v thay i m kho HMI v m kho kt ni tiu chun.

3.1.4. Chiu sang mn hnh Bnh thng mn hnh tt. Khi n cc phm trn mt bng HMI mn hnh s t ng sng phc v cc thao tc tip theo.. Khi bt ngun, mn hnh s sang sau thi gian th cc tn hiu v hin th.

Khi khng c tc ng no, theo chu k sau (5 pht), mn hnh s t ng tt nu khng thc hin cc thao tc trn bng iu khin.

Khi thay i ch Ti ch / T xa bng cc tn hiu s u vo , mn hnh s sng tr li sau 10 giy..

3.1.5. tng phn ca mn hnh. tng phn ca mn hnh b nh hng bi s thay i ca nhit , vn ny c t ng iu chnh theo nhit hin ti. c ch hp l nht , tng phn ca mn hnh c th iu

chnh bng cch bm cc phm [E] v phm [T] hoc phm [J.] tng hoc gim tng phn..

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TNG

GIM 08 Hnh. 3.1.5.-1 Thay i tng phn mn hnh

tng phn ca mn hnh c th thay i bt k trong cu trc ca cc th mc tr trong th mc ci t khi bm phm [E] trong phn ci t cc thng s..

Khi la chn cc gi tr ca tng phn , nu b cp ngun s c, sau khi khi phc li s t ng khi phc li tng phn..

3.1.6. Th mn hnh. Sau khi cp ngun, Mn hnh s sng v chy ch th mn hnh. Ch ny s thc hin th cc n tn hiu LEDs v trn mn tinh th LCD. Cc n tn hiu c th ng thi vi mn hnh LCD vi tc ng sang ton b cc n.Sau khi th ,mn hnh quay tr v ch bnh thng. thi mn hnh c th khi ng bng tay chuyn n mc Configuration\Display\Test display v la chn Test dplay ( c thng bo mc "Menu chart" trang 14).

3.1.7. La chn cc gi tr nht th C th ci t cc gi tr, thng s u vo v ghi li cc gi tr vi chnh xc mpt cch trc tip ca dng in v in p. Trong r le c th c cc gi tr nht th so vi cc gi tr nh th a vo thit b , bng cch ci t m t cc gi tr cc thit b o lng (CT, VT, VD, RS) .1. Thng qua mc Configuration\Display\Primary values v la chn Primary values thay i cc gi tr ca thit b nht th.2. Thng qua mc Configuration\Meas.devices v xc nhn ton b cc d liu CTs v VTs, VDs v RSs cn xem xt thm cc thng bo ca phn cng hin hu. nu mc Technical Reference Manual, General ( xem "References" trang 27) cn ci t cc gi tr nh mc cho b bo v , v ci t cc thng s ca cc thit b o lng..

3.1.8. Cng tiu chun kt ni cch ly quang hc. Mt trc ca r le c thit k ca cng kt ni quang. Ca cng ny dng lp trnh cho r le kt ni vi my tnh PC bi cp RS-232 , loi 1MKC950001-1.

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3.2. Th mc giao tip. Ni dung ca th mc giao tip ph thuc vo cu hnh ca r le However, lun c bo qun trong cu trc ca th mc chnh . Th mc chnh Nhm cc th mc Th mc ph Thng s th mc

Hnh . 3.2.-1 V d v cu trc th mc giao tip.

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3.2.1. Th mc o lng. Ni dung ca th mc o lng lin quan n cc khi chc nng o lng l cc b phn nm trong cu hnh ca r le..Nu la chn ch th cc gia tr o lng, n c duy tr sau chu k thi gin k tip.. Tng t c th la chn iu khin ch th bng tay. cc ch th khc, khi mn hnh tr v trng thi ngh sau khi n chiu sng mn hnh tt. Nu xut hin m in nng , cc gi tr ny c th hu b bng cch n phm [C] trong 2 giy.

Bng 3.2.1-1 Cc ch th o lng. Cc khi chc nng o lng Ch th

31 IL1 (A) IL2 (A) Measured values IL3 (A) 11- _A 0025.0 IL2-A 0025.0

to to (A) IL3-A 0025.0 lo-A 0005.0

THD-% 0.0

Demand values 11-1-A 0025.0 IL2-A 0025.0

IL3-A 0025.0

Uo Uo (V) Measured values

3U U1 (kV) Uo-V 00.00 U2 (kV) U1-kV 0.50 U3 (kV) U2-kV 0.50

f f (Hz) U3-kV 0.50 =

f-Hz 50.00

PQE P (kW) Q (kVAr) E (kWh, kvarh) Power

P-kW +0 Q-kvar +0 PF cos cp +0.00 P demand +0

Q demand +0

Energy Wh

0

Reverse energy kWh 0

kvarh 0

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B ng 3.2.1-1 Ch th o l ng ( Ti p theo) Khi chc nng o lng Ch th

Hai thng s ny nm trong ch th Thi gian khi ng s 0 o lng ch khi cu hnh

vi H07 Mc nng 40

" Mc nhit ln nht ca thit b c tnh bn ngoi v bn trong .

3.2.2. Th mc Mc , gii hn

Th mc mc ( Main menu\Measured values \Events) nm trong tn goi khi chc nng tng t tn cc mc nm trong ch th cc tin gi ( Xem "Indication messages" trang 20.). t ch th mc u n mc cui ( ti a 50). L s ln nht l tr ca bng danh mc.. Khi la chn mc chc chn, c th hi d liu v thi gian trong mc nng cch dch chuyn tng bc bng phm bm phi [---) ] Nu yu cu mc i ct v khng cn d liu trong th mc d liu ghi s c (Main menu\Protection\...\ Recorded data l \ ... 3 \) khng trng lp , c th thc hin dch chuyn trc tip kt hp vi cc d liu s c bng cch dch chuyn phm bm phi [---) ] ln na khi ch th cc d liu v thi gian. Quay tr li ch th mc bng phm [C] hoc phm [

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3.2.3. iu khin bng tay.

3.2.3.1. La chn iu khin Ti ch / T xa Lnh iu khin c th thay i theo v tr Control \Manual control\ Local/Remote.

C th la chn ch iu khin bng cch n phm [E] v s dung phm [T] v phm ( J ).

Bm phm [E] khng nh ch la chn, n phm [C] b qua la chon v gi nguyn ch hin trng.. kho mt m bng tay , xem li mc "Passwords" trang 12.

Bng 3.2.3.1-1 Cc v tr iu khin V tr iu khin miu t Ngt iu khin Thao tc ti ch, t xa s b n, phn khi ng c la chn

Trong th mc iu khin. Ti ch C th thc hin mc ny trong HMI v tn hiu s u vo

ch iu khin t xa s b n. T xa C th thc hin mc ny bng kt ni truyn dn iu khin t xa.

bng HMI v tn hiu s u vo v cc ch iu khin khc e n trong th mc iu khin. u vo bn Cc tn hiu s u vo c lp trnh cho la chn ti ch/T xa

. Khi la chn ch s hin th l ( Ti ch ) hoc ( T xa ) khi ssng bi cc tn hiu s u vo.

Tr li la chn ch iu c ging nh gin on ct ngun cung co. Khi la chn ch K ti ch, K t "L" th hin bn phi pha di mn hnh HMI . Nu nh ngn ng s dng trong r le khc vi ting anh, k t ny th hin trn mn hnh theo ngn ng la chn. 3.2.3.2. iu khin my ct. Khi la chn i tng K trn th mc Control \Manual control\Control CB. S thc hin K my ct theo lnh th mc v khng thc hin c K my ct t xa hoc khi ch K b loi tr. ch K ti ch la chn cn thc hin cc lnh khi ng bng cch dch chuyn la chn bng phm bm [---) ] v phm [

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Nu nh thao tc c khng nh, s chuyn trng thi bng dng lnh tng thch ( = O p e n i n g . . . or = C l o s i n g . . . ) ( = m h o c = n g ) s t h h i n s a u c n g t r o n g 4 g i y s a u k h i x u t h i n l n h . Nu c mch lin ng ca i tng K ngn cn la chn hoc cc yu cu tha hnh lnh. Trong trng hp xut hin lnh = I n t e r l o c k e d ( K h o l i n n g ) x u t h i n t r o n g 3 g i y . C gng th loi tr dng lnh trong 3 giy .

Ti ch /T xa

13

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Hnh . 3.2.3.-1 iu khin ti ch. Bng 3.2.3-1 Hp th thoi iu khin ti ch.

Hp th ngha

Aborted Dng lnh thao tc b loi tr khi khi ng i tng qu thi gian tr. or timeout. Are you sure? Cnh bo khi khng nh i tng K. [E] ng [C] b qua.

Closed Trng thi i tng ng. Khng K c i tng khi i tng la chn T xa hoc K b kho. Closed. E=Close Trng thi lnh i tng ng. [E] s thc hin ng. Closed. E=Open Trng thi lnh i tng ng. [E] s thc hin m. Closing... i tng ang thc hin lnh ng.

External change Trng thi lnhTi ch/ T xa c K bng cch thay i cc tn hiu s u vo . Ch dnh cho cc tn hiu s u vo. Khng xc nh c vic b qua dng lnh. Failed B li khi tha hnh cc lnh yu cu. Bi l do cc mch kho lin ng.

Interlocked Khi la chn i tng hoc khi tha hnh cc yu cu lnh b li bi cc mch kho lin ng. Not allowed La chn i tng b li. L do cc mch kho lin ng. Not local i tng c la chn ch T xa hoc kho trng thi K.

Open Trng thi i tng m. Khng K c i tng khi i tng la chn T xa hoc K b kho. Open. E=Close Trng thi i tng m. [E] s thc hin ng.Open. E=Open Trng thi i tng m. [E] s thc hin m.Opening... i tng ang tha hnh lnh m

13

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R E X 5 2 1

Bng 3.2.3-1Hp th thoai iu khin bng tay ( Tip theo ) Hp th ngha Preparing... Bt u la chn i tng.Undefined Trng thi i tng n. Khng thc hin c lnh iu khin. Unresolved T rn g t h i i tn g k h n g r .

3.2.4. Ci t cc thng s. Ci t cc thng s nm trong a CD-ROM Technical Descriptions of Functions ( Xem "References" trang 27).

1. Thng qua cc thng s bng cc phm [T], [J.] trong cc danh mc theo cu trc ca thng bo..2. Ch ci t kch hot khi bm phm [E] . 3. Khi HMI kho m trong giao din ngi my b thay i so vi mc nh, s c nhc nh. Khng nh kho m thay i bng cch kch hot cc k t v cc phm [~ ] v [~ ], v ci t cc gi tr s bng cc phm [T] v [J.]. 4. Khi m kho c xc nhn, n phm [E] khng nh. Bt u xc lp cc thng s ci t theo theo th t khai bo. 5. Khng nh cc gi tr mi bng phm bm s [T], [J.] b s 6. n phm [E] d khng nh. 7.Nu gi tr ci t nm trong khong gii hn cho php, cc gi tr ny c lu tr trong b nh v c khi phc li sau khi ct ngun thao tc re le. 8. Nu khng ng cc gi tr ci t sai quy nh, Hp th thoi s hin cc thng tion cho bit cc gi tr ci t vt qu gii hn v hin cc gi tr ci t c cha ci t..

3.2.5. Ci t cc s nh phn tim n. Cc phn n cn li v cc nhm chuyn i phn trm vi cc s nh phn tim n nm trong gi tr tng kim tra . L gi tr ln nht trong lu tr ca mc.hoc khng nm trong mc ghi s c mc lm thay i cc nh phn nm trong mc ghi s c. Cc nhm chuiyn ny ph thuc vo u ni cc u vo v u ra ca cc khi chc nng trong r le.

Mc tim n 1 = EO 0:1

Hnh . 3.2.5.-1 Ch ci t cc s nh phn tim n Khi thng qua cc s nh phn tim n trong th mc, ch nhm mc ch kim tra

tng gi tr. Nu ci t cc s nh phn tim n thng qua, cc s nh phn n l ( s 0, s 1, cc v d trn ) xut hin bn phi pha di mn hnh. C th thay i cc s nh phn tim n ny bng cch xc nhn gi tr cc s n l. Tuy vy, nu cc gi tr mi khi ci t hp l c th a vo bng cch n phm [E] .

1. Thng qua cc gi tr bn phi bng cc phm bm [T], [J.] v trong thng bo v cu trc hp th hi thoai. 2. ch ci t tc ng bm phm [E] . 3. Nu HMI m kho ca ngig my thay i so vi m kho mc nh, cn a m kho vo. Khng nh cc m kho thay i vi cc k t bng cch n phm [~ ] v [~ ] v ci t cc s nh phn bng cch n phm [T] v [J.].

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4. Khi a mt m kho vo cn khgng nh bng cch n phm [E] . La chn cc s liu ci t khi khi ng sng mn hnh.

5. Khng nh cc gi tr ci t mi bng cch n phm [T], [J.] v 6. n phm [E] khng nh.

Khi a cc s nh phn n l, c th xp xp thay i cc s ny bng cch n cc phm [---) ] khi con tr ch th pha di bn khi mn hnh hin th. bng cch ny, con tr khng dch chuyn ngc li v v pha trc gia cc s nh phn v cc gi tr ci t gin on , nh vy vic thc hin th tc s n gin .

hiu ngha thc ca mc ny , cn tham kho Event List ca REX 521 trong a CD-ROM Technical Descriptions of Functions ( xem "References" trang 27).

3.3. Ch th ca hp th thoi. Chng c hai loi ch th hp th thoi khc nhau: Cc ch trong hp th thoai km vi cc n tn hiu LED ch bo. Loi ch bo ny c lin quan n cc thng tin trong cc chc nng bo v v cc thng tin v cc iu kin c th ca bo v r le ( mc gim st ). cc ch ca hp thoi khng km theo ch th n tn hiu LED . Loi ch bo ny ca hp thoi c lin quan n ch bo tn hiu, s c v cnh bo xut hin khi thc hin cc thao tc.. Ch th ca hp th thoi c u th chc chn. Nu cc loi ch th cng xy ra ng thi , s ch th u tin ca mc cao hn. Cc u tin c sp t trong hp th : 1. S c chung, s c my ct CBFP 2. i ct. 3. Khi ng, kho. 4. Hi p ca hp thoi. Ch th ca hp thoi c th loi tr bng cch n phm [C] , lc ny ch th ca danh mc hp thoi quay tr v ch th ca mc trc . Hi p ca hp thoi s xut hin khi thc hin xong mt thao tc. V d, khi gii tr cc r le u ra, mc ghi s c v cc gi tr ng k bng cch n phm [C] v phm [E] trong 5 s, hi p ca hp thoi ch hin th trong thi gian khi m t cc thao tc.

3.3.1. Cc ch th ca bo v. Khi cc chc nng ca bo v khi ng, k hiu ca chc nng bo v v dng lnh START s hin th. n tn hiu tng ng mu vng cng sng. Thng bo cc chc nng bo v ca 3 pha hoc 2 pha s c, v s c ca cc pha s th hin r trn mn hnh.

n tn hiu mu vng I / \I /

31> : START L1 , L2 ,L3

Hnh. 3.3.1.-1 Ch th khi khi ng. 20

1 MRS 751107-MUM BO V R LE HNG DN VN HNH.

REX 521

Nu cc chc nng bo v b kho, tn ca chc nng bo v v dng lnh BLOCK hin th. Lc ny , n tn hiu vng LED ch th con bi ri.

31>: BLOCK

Hnh. 3.3.1.-2 Cc ch th bo kho Nu chc nng bo v i ct, tn ca chc nng v dng lnh T R I P xut hin trn mn hnh. ng thi n tn hiu LED sng. Cc pha s c s th hin r trn mn hnh. Vi chc nng bo v i ct c thi gian tr nh bo v li h hng my ct ( CBFP), n tn hiu khi ng con bi ri.

31> : TRIP Ll , L2 , L3

Hnh. 3.3.1.-3 Tn hiu bo i ct

3.3.2. T ng gim st. R le bo v c thit k phn h thng t ng gim st bn ngoi. H thng t ng gim st s dng bng tay truy cp trng thi, thi gian s c v cc thng tin cc s c xy ra s c hin th v truyn dn qua cng kt ni. Khi xc nhn s c, n tn hiu xanh xut hin khi ng ri con bi ch th READY . Tng t lc ny , t ng gim st cc r le u ra s tc ng (IRF) . Cc li khc, s c s hin th dng lnh INTERNAL FAULT xut hin trn mn hnh v mc ca s c.

INTERNAL FAULT Relay

Control

Hnh. 3.3.2.-1 Ch th s i ct Ch th li s c c xp xp u tin theo trnh t cao thp khi truy cp chng. Cc dng lnh ca s c c th gii tr bng cch n phm bm [C] .

Khi n xanh READY ch th v duy tr con bi ri c ngha thc t s c vn tn ti. Sau khi gii tr s c, Hin th con bi cng gii tr v kch hot cc phn kt ni. Mch t ng gim st (IRF) cc r le u ra tr v trng thi bnh thng.

REX 521 R LE BO V HNG DN VN HNH.

1 MRS 751107-MUM

3.3.3. iu kin gim st cc tn hiu. Nu c cc iu kin ca chc nng gim st nm trong cu hnh r le, chng khng lin quan trc tip vi cc chc nng ca bo v hoc n cc iu kin chung ca r le, nm trong ch th hp th S U P E R V c cc dng lnh gii thch xut hin v li ca s c .

TCS1:SUPERV Trip Circuit Sup

U

H nh. 3.3.3.-1 iu kin ca ch th gim st

n vng khng hot ng LED : tt

Hot ng bnh thng. Khng c chc nng no khi ng.

n vng sng LED START

Khi ng chc nng bo v v hin th hp th thoi trn mn hnh. Khi ch th khi ng cn la chn thng bo cui v khng. Khng n cui c ngha khi ch th n khng th hin khi s c ang n ch th cui c th b loi tr khi s dng phm bm ( C ). Sau 7 ln chc nng bo v khi ng, sau mt thi gian ngn ln khing cui s hin th trn mn hnh.

Con bi n vng ri LED : BLOCK

Chc nng bo v b kha. Ch th bo s n khi gii tr phn lin ng hoc khi gii tr bo vTrong ch th hp th c chc nng khi kho lin ng s hin th trn mn hnh.Sau 7 ln chc nng bo v b kho s hin th ln kho bo v cui cng trn mn hnh. Ch th kho c u tin cao khi khi ng cc n tn hiu.

1 MRS 751107-MUM R LE BO V HNG DN VN HNH

REX 521

3.4. LED Cc n tn hiu. 3.4.1. n tn hiu xanh LED ( hin th)

Cc n khng sng

Mt cp ngun thao tc. Kim tra in p cp ngun trc khi thc hin cc

vn khc. n xanh sng

Vn hnh bnh thng. Con bi ri LED Hoc C th TEST

Li chung s c r le (IRF) hoc r le ang ch th nghimLi s c chung c hion th trong hp thoi ca giao din ngi my HMI : 1, - Relay - Khi chc nng.

3.4.2. n tn hiu vng LED ( khi ng )

3.4.3. n tn hiu LED ( i Ct )

Khng sng LED : OFF

Vn hnh ch bnh thng. Khng c chc nng no i ct.

23

REX 521 BO V R LE HNG DN VN HNH

1 MRS 751107-MUM

Bo tn hiu i ct LED : TRIP

Chc nng bo v i ct v hp th thoi hin th trn mn hnh. Ch th tn hiu bo ct n c th gii tr bng phm bm [ C ] hay bng cng kt ni. Nu sau 7 ln chc nng bo v i ct s loi tr ch th ln ct u v hin th trn mn hnh Tn hiu ct mi ( New Trip indication ) cng cc gi tr ci t xut hin. Cc gi tr ny c th ghi nhn khng hn nh bng ( 999 ), lc ny s c ghi ln u s c gii tr.

Con bi n ri LED :

i ct bng CBFP ( Bo v chng h hng my ct ). Tn hiu ny c th gii tr bng phm bm [ C ].

3.5. Cc n bo s c LEDs3.5.1. Cc n bo s c LED t 1-8

Khng sng LED : OFF Vn hnh bnh thng. Tt c cc n tt OFF.

n sng LED Ch T u - n cui : khng c tn hiu ON. ab Ch cui : khng c tina hiu ON hoc OFF nhng C ghi nhn s c. Ch con bi ri : Khng c tn hiu ON nhng c Xc nhn. Li do tn hiu s c khng lm vic khi c khi ng tn hiu s c LED States.ab

Tn hiu con bi ri LED Ch con bi ri cui : Bo tn hiu s c ON v khng ghi nhn s c

a. Li ny ch do nguyn nhn nu n tn hiu LED khng hot ng bng cc thng s khi khi ng s c Alarm LED .

b. Tn hiu c th b kho bi lnh OFF cc r le ph tr my ct . Khi khi ng n tn hiu LED s c duy tr v c nghi nhn ( hoc xo cleared) trn bng hin th chnh.

1 MRS 751107-MUM BO V R LE HNG DN VN HNH.

REX 521

4. Ch th nghim. Cc tn hiu s ca r le u vo, u ra v r le tn hiu s c IRF c th th bng cch ci t cc thng s ch th Test mode th nghim Testing trong th mc Main menu\Tests\General. Khi ch th hot ng , n xanh READY hin th con bi ri. Mc thng bo Technical Reference Manual, General ( xem "References" trang 27) v cc thng tin c th. Ch th c th loi b bng ci t thng s No t e s t hoc bng cch ct ngun cp cho r le.

Nu nh khng loi tr c ch th , vn gi nguyn trng thi c v n tn hiu Ready LED gi nguyn trng thi con bi ri.

4.1. Th nghim u vo / u ra I/O. hnh trc trong th mc trong lnh th cc u vo s (T e s t s \ I nput s ). Trong phn cng c 9 u vo k thut s. Cc s ny tng ng cc u vo DI1...DI9, khi ng bn phi.

Khi ng u vo = 000000000

Hnh . 4.1.-1 T cc tn hiu s u vo.

Hnh tip theo ch cc mc th cc r le u ra Tests \Outputs. Theo di trong phn r le t ng gim st self-supervision hot ng trong th mc khc v khng nm trong th mc ny. Cc r le ny tc ng cc theo la chn : SO, PO v HSPO, khi ng pha bn phi mn hnh.

Khi ng u ra = 000000

HSP01, P03, P02, P01, S02, S01

Hnh . 4.1.-2 Th cc r le u ra.

4.2. Th cc u vo s s c chung r le IRF Cc r le s c chung IRF c th th bng cch tc ng ln cc r le IRF trong th mc Main menu\Tests\General\Activate IRF.

REX 521 R LE BO V HNG DN VN HNH.

1 MRS 751107-MUM

4.26 Th cc khi chc nng Cc u ra ( Khi ng v ct Start and Trip) cc khi chc nng c th tc ng ti ch trn giao in ngi my HMI hoc thng qua kt ni ngoi. Thao tc ny khng c mc ci t ch th r le m t trong "Test mode" trang 25. Cc u ra ny tc ng bng cc thng s iu khin theo chc nng. Cc chi tit c th ca chc nng , nm trong a CD-ROM Technical Descriptions of Functions ( xem "References" trang 27).

1 MRS 751107-MUM BO V R LE HNG DN VN HNH.

REX 521

Cc thng tin.

Hng dn cho r le REX 521 : Thng tin hng dn k thut, tiu chun cc cu hnh :1MRS 751802-MUM

Thng tin hng dn k thut, phn chung : 1MRS 751108-MUM Hng dn lp t : 1MRS 750526-MU M t cc chc nng (CD-ROM) : 1MRS 750889-MCD Kt ni knh chung MOBUT cho r le REX 521, M t k thut : 1MRS 755017

Cc thng s v danh mc ghi s c cho r le REX 521

Danh mc cc thng s REX 521 1MRS 751999-RTI Danh mc s c cho REX 521 1MRS 752000-RTI Thng s chung cho REX 521 1MRS 752156-RTI Danh mc cho vn hnh REX 521 1MRS 752157-RTI

Hng dn cc phn mm chuyn dng.

CAP505 Hng dn ci t v nghim thu : CAP505 Hng dn vn hnh : Tools Ch dn u ni v ph kin ca r le : CAP 501 Hng dn v ci t v nghim thu : CAP 501 Hng dn vn hnh :

1MRS 751273-MEN 1MRS 751709-MEN 1MRS 752008-MUM IMRS751270-MEN IMRS751271-MUM

REX 521 BO V R LE

HNG DN VN HNH.

28 MRS 751107-MUM

Mc lc. A. Cc n tn hiu :.....8, 2 1 8 .28 Kiu, chng loi : ....24 B S n :...19 Ni dung sa i : ...19 My ct : ..17 Phm bm : ...10 D Cc u vo s. Th nghim : 25 Hin th tng phn : ..12 E Th hin mc : .16 H H07 cu hnh. Th hin o lng 16 Giao tip ngi-my HMI : .8 I Hp th cc tn hiu. iu kin gim st : .22 n xanh : 23 Hp th hi, p : 20 Li chung : ...20 Tn hiu ca bo v : 20 T ng gim st : .21 Khi ng, kho : .20 i ct, H hng my ct CBFP : ..20 Li chung ca r le IRF. Th nghim : .25 J Thanh ni chuyn i : ..16

28

1 MRS 751107-MUM R LE BO V HNG DN VN HNH

REX 521

L R le u ra cui. Gii tr : ..10 Cc n tn hiu. ..8, 23 c : .23 Khi ng : ...23 i ct : ..23 iu khin ti ch .17 V tr iu khin Ti ch / T xa : 17 Thay i trng thi iu khin : 17 Trng thi iu khin : ..17 M iu khin ti ch : 17 Hp th thoi : 18 Danh mc phn o lng : .....15 Th hin phn o lng : ....15 Danh mc hi thoi : ...14 O Danh mc i tng iu khin : 17 Cng kt ni quang cch ly : ...13 R le u ra Th nghim : 25 P Cc thng s : ...19 Ci t : .19 M kho : ..12 M kho n Ngi my HMI : ..12 M kho Ngi my HMI : ...12 M kho cng kt ni : .12 Cc gi tr nht th : .13 Cc phm bm : .10 Cc phm bm vng quoanh : ...10 Chc nng : ...10 Thao tc r le : ..10 R iu khin t xa : ..17 R le bo v hin trng REX 521 : 10 S Thng bo an ton : 8 Thng bo an ton : ...6 La chn ngn ng : ..11

29

REX 521 R LE BO V

HNG DN VN HNH

1 MRS 751107-MUM

T

Th nghim mn hnh..................................................................................13

Khi chc nng : . ...................................................................................... 26

u vo / u ra I/O : ............................................................................... 25

S c chung r le IRF : .............................................................................. 25

Ch th nghim ; ................................................................................... 25

Loi tr : . ............................................................................................25

Thi gian thot : ...........................................................................................17

1 MRS 751107-MUM R LE BO V REX 521

HNG DN VN HNH

Ph lc A: Tm tt.

CT Bin dng in.

HMI Giao tip Ngi my.

HSPO u ra cng xut tc cao.

IRF Li chung ca r le.

LCD Mn tinh th lng.

ABB ABB Oy

Substation Automation P.O. Box 699 FIN-65101 VAASA Finland Tel. +358 10 22 11 Fax. +358 10 224 1094 www.abb.com/substationautomation

Hng dn vn hnh REX 521Mc lc1. Thng bo an ton.2. Ch dn.3.Giao tip HMI,Cc chc nng phm bm.