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T TRUNG TH UNIGEAR LOI ZS1 Hng dn Bo qun Lp t Vn hnh

MC LC TRANG

A MC CH 1

B NI DUNG 1

1. Vn chuyn 1

2. Bo qun 2

3. Lp t 2

3.1 Yu cu chung 2

3.2 Lp t t trn khung thp hnh ch C 2

3.3 Lp t t trc tip trn sn nh 3

3.4 a gin t vo v tr lp t 4

3.5 Lp t s xuyn (Bushings) v tm ngn s xuyn (Bushing plates) 6

3.6 Kt ni gin t, gin thanh ci 7

3.7 Lp t cp lc 11

3.8 Kim tra li ton b l t sau khi lp t.. 11

4. Vn hnh, thao tc 13

4.1 Yu cu chung 13

4.2 Kim tra cc lin ng c kh trc khi vn hnh 13

4.3 Thao tc, vn hnh My ct 14

4.4 Thao tc, vn hnh Dao ni t u cp 16

4.5 Thao tc, vn hnh Dao ni t thanh ci 17

4.6 Thao tc, vn hnh Dao ph ti v Dao ni t (T t dng) 18

4.7 M cnh t khoang My ct 18

4.8 M cnh t khoang Cp lc 19

C A CH LIN H 19

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CC IM LU QUAN TRNG TRONG QU TRNH BO QUN, LP T V VN

HNH L T UNIGEAR LOI ZS1 CA ABB

A. MC CH: m bo vic Bo qun, lp t, vn hnh l t ni trn c an ton (cho ngi v thit b) v tin cy; trnh cc h hng v s c trong qu trnh lm vic ca

T trung th loi UniGear loi ZS1 do ABB sn xut.

B. NI DUNG: 1. Vn chuyn: - T in phi c vn chuyn, di chuyn, nng hoc h theo t th thng ng. - Trong trng hp t in c di chuyn bng cn cu + dy ai th cc dy ai ny phi

c mc vo 4 mc treo trn trong qu trnh nng, h

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2. Bo qun: - T phi c bo qun (theo t th thng ng) trong phng c mt bng phng v kh, ro, thong, mt.

- Cc t c bo qun tch ri, khng xp chng ln nhau.

- Khng bc ln nc t.

- Thng xuyn kim tra tnh trng t khi trong sut qu trnh bo qun

3. Lp t: 3.1. Yu cu chung :

- Phng lp t l t phi m bo hon thnh vic xy dng v c trang b y thit b

in, ngun in phc v vic chiu sng, sy cho t v hot ng ca cc thit b thng gi.

- Cc mng cp phc v u ni cp lc, cp iu khin bo v cng phi c hon

thnh trc khi tin hnh lp t.

- Trong trng hp Dao ni t, Bin in p, Bin dng inc lp trn nc t th phi

m bo chiu cao ca trn nh ln p ng vic tho/lp Bin dng, bin in p v

thao tc Dao ni t.

3.2. Lp t t trn khung thp hnh ch C:

- Sai s ti a khi thi cng nn nh v lp t khung thp :

+ bng phng: +/- 1mm trn mi chiu di 1 m ca khung thp.

+ thng: 1mm trn mi chiu di 1 m ca khung thp nhng khng qu 3mm cho ton b

chiu di ca khung.

- Khung thp ch c php cao hn so vi mt sn l 5mm.

- Nu cc im trn c lu s m bo:

+ Vic lp t, thao tc ng/ct My ct, dao ni t , a my ct vo/ra c d dng

+ Cnh t khoang cp khi m khng b kt vo sn nh.

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3.3. Lp t trc tip trn sn nh:

- Sai s ti a khi thi cng nn nh:

+ bng phng: +/- 1mm trn mi chiu di 1 m ca nn nh.

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3.4. a gin t vo v tr lp t:

- Trc tin, a cc My ct (13) (hin ang v tr th nghim) ra khi t bng xe my ct

(124) trc khi lp t cc t in vo v tr.

- Cht cht my ct vo xe bng ly (13.12).

- Tuyt i khng nm vo cc my ct, tip im khing, y hay di chuyn my ct.

- Tho cc mc treo (1.5)

- Di chuyn t vo v tr lp t (v tr lp t c

xc nh trn mt bng v bn v thit k).

- Tho cc tm chn dc (9) nm pha trc khoang cp, tm chn ngang (20) nm pha di

my ct

- Tho tm y y t (17) khi u ni cp lc; cc tm y cp iu khin (43.2, 43.3) ti hng

t pha tri v phi khi u ni cp iu khin.

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- Tin hnh cn chnh khi a ht l t vo v tr lp t v m bo nghing ti a ca t

(nht l pha trc) khng vt qu 2mm.

- Sau , tin hnh kt ni cc t vi nhau bng Bu-lng. Kt ni 15 im khi ni 2 t lin k

nhau, bao gm: 06 im trc t (A, B, C, D, E, F) ; 04 im gia t (L, M, N, O) v 05 im

pha sau t (G, H, I, J, K). Vi gin t gm 10 chic tr ln, nn tin hnh u ni t cc t

nm gia ra hai bn.

- Thc hin hn, ni bng gin t vo gi bng Bu-lng.

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3.5. Lp t s xuyn (bushings) v tm ngn s xuyn (bushing plates):

- Vi t 12kV hoc 17.5kV (1 s xuyn dng cho c 3 pha (29)):

+ Nu dng chu ng ngn mch ca t l 25 kA th khng phi lp s xuyn v tm ngn s

xuyn.

+ Nu dng chu ng ngn mch ca t l 31.5 kA, th c 3 t lp 01 s xuyn (29) v tm

ngn s xuyn (Vi chui cc t c kch thc l 1000mm v 800mm). Nu t c kch thc

650 mm th s khng phi lp.

+ Nu dng chu ng ngn mch ca t l 40 kA hoc 50 kA th s xuyn v tm ngn s

xuyn c lp ti tt c cc t.

- Vi t 24 kV (1 s xuyn dng cho 1 pha) c dng chu ng ngn mch l 25 kA hoc 31.5

kA th khng phi lp cc s xuyn (29) v tm ngn s xuyn (28).

+ S xuyn (29) di cng (pha C), lp t phi sang tri.

+ S xuyn (29) gia v trn cng (pha A, B), lp t tri sang phi.

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3.6. Kt ni gin thanh ci:

- Vi t 17.5kV v 24 kV: Cc im ni ca thanh ci lin kt t s c y kn bng tm chp

cch in (58, 58.5).

- Vi t 12 kV: Ch c im ni ca thanh ci c dng in nh mc ln hn 2000A mi c

lp Tm chp cch in.

- Vi cc t nm ngoi cng: Tm chp cch in cn c lp thm ming (58.1).

- Ni thanh ci cho t 12/17.5 kV : + Thanh ci 1250A, Nhnh r 630-1250A:

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+ Thanh ci 1600-2000-2500A ; Nhnh r 630-1250A:

+ Thanh ci 1600-2000-2500A, Nhnh r 1600-2000-2500A:

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+ Thanh ci 3150-3600-4000A, Nhnh r 630-1250A:

+ Thanh ci 3150-3500-4000A, Nhnh r 1600 n 4000A:

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Vi t 24 kV: Ti cc s xuyn (29) s lp t cc l xo tip xc (29.3). Cc l xo ny phi m bo tip xc tt gia Thanh ci (3) v mt trong ca S xuyn (29) trnh trng hp phng in cc b gin thanh ci.

- Ni thanh ci cho t 24 kV : + Thanh ci 1250A, Nhnh r 1250A:

+ Thanh ci 2500A, Nhnh r 1250A:

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+ Thanh ci 2500A, Nhnh r 2500A:

3.7. Lp t cp lc:

- Tm np y mng cp (17) phi c lp kn sau khi u cp lc vo t trnh cn

trng, hi m c th xm nhp vo v t gy phng in.

- Tm bt (17.2) phi c lp vo mi si cp v c bt kn l xuyn cp trnh cn trng

hay hn m xm nhp vo t v gy phng in.

- Cc si cp phi c bt cht vo y t thng qua kp cp (21).

3.8. Kim tra li ton b l t sau khi lp t:

- Kim tra v sit cht ton b cc Bu-lng ni t; Thanh ci; Ni t (19.1)

- Kim tra, lau chi v v sinh sch s ton b l t (Nht l cc khoang thanh ci ; my ct ;

cp)

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- Kim tra v lp t li ton b cc tm ngn (26), vch, np y.

- Kim tra cc tip im tnh, tip xc, h thng lin ngv tra du m nu cn thit.

- Lp t li My ct, VTv t.

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4. Vn hnh, thao tc: 4.1. Yu cu chung:

- Vic thao tc v vn hnh l t phi c thc hin bi Cn b c chuyn mn, c trang b

y thit b an ton lao ng, tun th quy nh An ton ca Nh sn xut, c quan chc

nng v hiu c cc quy trnh vn hnh l t.

- Ty theo thit k ca tng d n, ngi vn hnh phi c v hiu c cc lin ng c kh

hay in c thit k gia cc thit b trong cng 1 t hay gia cc t vi nhau trc khi

tin hnh bt c thao tc ng/ct thit b (my ct, dao ni t..) hay ng/m cnh ca t.

Vi cc h hng ca thit b do thao tc khng ng quy nh (trnh t), Nh sn xut c quyn t chi ngha v bo hnh. - Khng i li trn nc t nht.

- Thu hi ton b cc dng c, trang bcn st li trong qu trnh lp t.

- Tt c cc ngun sy trong t phi c cp in t nht 48 gi trc khi ng in cho ton

l t.

4.2 Kim tra cc lin ng c kh di y trc khi vn hnh:

- Sau khi hon tt cc cng vic lp t, u ni t v cp, tin hnh kim tra cc lin ng c

kh di y, theo :

1. Khng m c cnh t khoang my ct nu my ct ang nm l lng gia v tr th

nghim v v tr lm vic hoc my ct ang v tr lm vic.

2. Cnh ca chp (12.1, 12.2 y cc u tip im ni vi my ct) s t ng ng

kn (nh hnh v di y) khi my ct v tr th nghim hoc c a ra khi t.

3. Khi my ct ang ng, khng th a my ct t v tr th nghim vo v tr lm vic v

ngc li t v tr lm vic ra v tr th nghim.

4. Khi dao ni t ng, khng a c my ct vo v

tr lm vic.

5. Nu my ct ang nm l lng gia v tr th nghim v

lm vic th khng ng c my ct

6. Khng ng c dao ni t nu cun lin ng in

ca dao ni t khng c in.

7. Khng ng c dao ni t nu My ct ang v tr

lm vic.

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8. Khng m c cnh t khoang cp nu Dao ni t ang m.

9. Khng ct (m) c dao ni t nu cnh t khoang cp ang m.

10. Hai my ct khc nhau v dng in nh mc th khng th thay i cho nhau (V d:

lp my ct ny vo t ca my ct kia).

11. Kim tra cc chc nng ch th: S ln thao tc; v tr ON/OFF (ch th c kh trn my

ct v ch th in trn khoang h th); trng thi l xo sau mi ln thao tc My ct.

12. Kim tra cc ch th v tr Dao ni t (ch th c kh v tr a tay thao tc v ch th

in trn khoang h th).

13. Kim tra chc nng ca cc nt ng/ct c kh

14. Kim tra chc nng ca cc kha lin ng (nu c)

15. Kim tra vic ng/m t.

16. Kim tra Bin in p kiu ko/y.

4.3. Thao tc, vn hnh My ct:

- S dng ng chng loi, dng c thao tc cho mi thit b

+ Tay np l xo my ct (128 cho My ct HD4)

+ Kha cnh t (145)

+ Tay thao tc dao ni t (122)

+ Tay a my ct vo/ra (121)

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+ Tay np l xo cho My ct (90.8 cho my ct)

+ Tay thao tc khn cp cho my ct VM1 (31.28)

- My ct ch c th c di chuyn t v tr th nghim vo v tr lm vic (v ngc li) khi cc

iu kin sau tha mn:

+ Hp u dy (10.2) ni vo My ct

+ My ct ct

+ Cnh t khoang my ct ng

+ Ngun iu khin c cp vo t.

+ Dao ni t ct.

- My ct ch c th ng hoc ct khi tha mn cc iu kin sau:

+ Hp u dy (10.2) ni vo My ct

+ My ct v tr ct

+ Cnh t khoang my ct ng

+ Ngun iu khin c cp vo t.

- Trong qu trnh di chuyn My ct, khng My ct nm l lng gia v tr lm vic v v tr

th nghim.

- Vic a my ct vo/ra phi thc hin nh nhng, trnh dng sc khi thao tc bi s ph v

cc kt cu c kh trong b lin ng ca My ct.

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4.4. Thao tc, vn hnh Dao ni t u cp:

- Ch thao tc (ng/ct) Dao ni t khi my ct v tr th nghim hoc tho ra khi t v

cnh ca khoang cp ng.

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- Thng thng, cc dao ni t ca t l tng ch ng c khi c in iu khin cp cho

Cun lin ng (interlocking coils).

4.5. Thao tc, vn hnh Dao ni t thanh ci:

- Ty thuc vo thit k ca tng d n, Dao ni u thanh ci ch c th thao tc (ng/ct) khi

tt c cc my ct c a ra v tr th nghim.

- Khi dao ni t thanh ci ng, khng th a c My ct t v tr th nghim vo v tr

lm vic.

- Thng thng, cc dao ni t thanh ci ch ng c khi c in iu khin cp cho Cun

lin ng (interlocking coils).

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4.6. Thao tc, vn hnh Dao ph ti v Dao ni t (T t dng):

- Dao ph ti v Dao ni t ch c th thao tc c khi cc cnh t ng.

- Ch ng Dao ph ti khi Dao ni t ct.

- Ch ng/ct Dao ni t khi Dao ph ti ct.

- Vi cc cnh t c lp c nh bi Bu-lng, (v d: Cnh t khoang dao LBS ca t t dng) th cc Bu-lng ny phi c lp chc chn khi t lm vic m bo lin ng c kh v an ton cho ngi vn hnh.

4.7. M cnh t khoang My ct:

- Cnh t ch m c khi My ct v tr th nghim.

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4.8. M cnh t khoang Cp lc:

- Cnh t ch m c khi Dao ni t ng.

C. A CH LIN H: - Nu cn thm thng tin, Qu Khch vui lng lin lc vi chng ti theo a ch:

Cng ty TNHH ABB Km 9, Quc l 1A, Hong Lit, Hong Mai, H Ni in thoi : +84 4 3861.1010 Fax : +84 4 3861.1009 Email : hoang.nguyenviet@vn.abb.com

Hoc: Vn phng Cng ty TNHH ABB ti TP HCM Tng 6, Ta nh Central Plaza, 17 L Dun, Qun 1, TP.HCM in thoi: +84 8 3823.7972 Fax : +84 8 3823.7970 Email: vu.ngothien@vn.abb.com

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