a sơn hoàn chỉnh.docx

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Li ni uTrong qu trnh cng nghip ho hin i t nc lnh vc khoa hc k thut ng vai tr ht sc quan trng. Trong lnh vc in -in T gp phn rt ng k t nhng thit b dn dng n cc dy chuyn cng ngh t ng ha nhm nng cao nng sut gim bt lao ng chn tay, vn lc hu khi t nc ta l thnh vin ca t chc thng mi th gii. Lnh vc t ng ha i vo hu ht cc nh my x nghip thay th dn nhng c my mc lc hu, thay th con ngi lm vic trong nhng lnh vc nguy him. c bit hn na vi s pht trin ca cng ngh ngh thng tin mang n nhiu li ch to ln v thit thc hn. Kt hp vi t ng ha gip con ngi iu khin v gim st c cc qu trnh cng ngh tham gia trc tip iu khin i tng. khng nhng trong phm vi thu nh m trn c din rng. Gp phn lm gim chi ph sn sut,qun l sn xut d dng,theo di qu trnh n gin nng cao nng sut lao ng, hiu qu sn xut . Vi nhng ng dng thit thc nh vy nn em chn ti tt nghip NGHIN CU TNG QUAN V CU TRC CHN HM5045-1825.I SU PHN TCH TRANG B IN C CU DI CHUYN V C CU QUAY MM . ti ny l c hi p dng nhng kin thc c s t trong nh trng vo m hnh thc t thu nh.

Chng 1 Gii thiu v h thng cung cp in nh my ng tu Nam Triu.1.1. Gii thiu khi qut v cng ty ng tu nam triu1.1.1. Lch s hnh thnh Cng ty CP Cng nghip tu thu v xy dng Nam Triu l mt Cng ty thnh vin thuc Tng Cng ty CNTT Nam Triu. thc hin chin lc pht trin ngnh cng nghip tu thu Vit Nam, cn c vo m hnh pht trin Tng Cng ty CNTT Nam Triu vi mc tiu xy dng Cng ty CP Cng nghip tu thu v xy dng Nam Triu thnh Cng ty vng mnh c trong lnh vc ng mi, sa cha tu bin v xy dng cng trnh vi trnh chuyn mn ho cao, c kh nng tham gia ng mi, sa cha tu bin c trng ti ln v u t xy dng nhng cng trnh p ng c s pht trin ca Tng Cng ty CNTT Nam Triu v th trng trong nc. Cng ty CP Cng nghip tu thu v xy dng Nam Triu chnh thc chuyn i t hnh thc Cng ty Nh nc sang m hnh Cng ty C phn theo quyt nh s 187/Q - TH ngy 10/02/2007 ca Tng Cng ty Cng nghip tu thu Nam Triu. Cng ty CP Cng nghip tu thu v xy dng Nam Triu hot ng theo giy ng k kinh doanh s: 0203002759 do S K hoch v u t thnh ph Hi Phng cp ngy 04/03/2009 c s quan tm gp ca ng u v Lnh o Tng Cng ty CNTT Nam Triu. Trong nhng nm gn y Cng ty CP CNTT & XD Nam Triu c nhng bc pht trin mnh m trong sn xut kinh doanh. Ngoi cng vic sa cha tu bin ln cho cc Cng ty Vn ti bin Vosco, Vinaship, Cng ty vn ti Vin Dng Vinashin; Cng ty CP Cng nghip tu thu v xy dng Nam Triu cn m nhn v hon thnh cng vic san lp, thi cng xy dng cc cng trnh dn dng cng nghip nh: Nh iu hnh Cng ty CP SCTB, Phn xng my in, thi cng ng ni b, San lp v thi cng Nh n ca cng nhn cho cng nhn Tng Cng ty CNTT Nam Triu c din tch 5.000m2 iu kin phc v n cho hng nghn cng nhn, Xy dng Nh iu hnh 05 tng Tng Cng ty CNTT Nam Triu.... Trong nhng nm va qua Cng ty CP Cng nghip tu thu v xy dng Nam Triu lun hon thnh k hoch, thc hin y ngha v vi Nh Nc. B my Cng ty thu gn, linh hot, hiu qu, tnh c ng cao. Nhiu cn b k s c thm lin cng tc v nhiu kinh nghim trong vic thi cng cc cng trnh xy dng, ng tu bin, c i ng cng nhn lao ng vi tay ngh cao, cn c c th m nhim thi cng c cc cng trnh i hi cht lng cao, tnh nng k thut phc tp, quy m ln v tin nhanh. Cc thit b xe, my ca Cng ty c cc chng loi vi tnh nng k thut hin i, m bo thun li cho vic thi cng cc cng trnh ln cn s c gii cao. Trong qu trnh hnh thnh v pht trin, Cng ty lun khng nh uy tn ca mnh bng cc sn phm, cng trnh c cht lng tt, tin thi cng nhanh, v vy c nhiu c quan v cc ch u t nh gi cao1.1.2. Chc nng v nhim v- Tng thu v sa cha, ng mi tu thy, thit b v phng tin ni. Ch to kt cu thp, container, ph d tu c. - Mua bn vt t, my mc, thit b, ph tng ph kin lin quan n ngnh cng nghip tu thy v cc ngnh cng nghip khc. - Xy dng cc cng trnh dn dng cng trnh cng nghip, cng trnh giao thng, cng trnh cp thot nc, cng trnh thy li, cng trnh in. Sn xut kinh doanh cc loi vt liu xy dng, cu kin b tng. - No vt lung, lch sng. San lp mt bng, trc vt cu h tu thuyn.

Hnh 1.1: khun vin nh my ng tu nam triu1.1.3. S t chc

Hnh 1.2: s t chc ca nh my1.1.4. Mt s hnh nh hot ng ca cng ty ng tu nam triu

Hnh 1.3. thi cng lp rp tu ti cng ty ng tu nam triu

Hnh 1.4. l h thy tu VINASHIN BAY trng ti 50000 tn

Hnh 1.5. cu trc ti nh my ng tu nam triu1.2. H thng cung cp in ca cng tyH thng in ng mt vai tr quyt nh ti sn xut cng nh s tn ti ca c nh my. Hu ht cc thit b my mc trong nh my u trc tip tiu th in nng, in nng cn phc v chiu sng cc phng ban, cc phn xng, cc x nghip ca ton nh my Trc y nh my c cung cp bi li in 6.3 KV, cc trm BA, h thng cp, cc t phn phi ang i hi phi nng cp ci hon h thng bi nhng nm gn y tng cng ty c nhng bc pht trin vt bc, rt nhiu dy truyn, thit b my mc hin i c nhp v sp c nhp Nn i hi vic cung cp in nng ngy cng ln hn, tin cy hn. ng thi l k hoch sp ti ca thnh ph l ng cp li in t 6.3 KV nn 22KV. Chnh v vy hin nay h thng in cao th ca cng ty ng tu nam triu c nng cp t 6,3 KV ln 22 KV, ton b ng dy cp in c thay th mi hon ton v chuyn t s i dy hnh tia thnh s i dy mch vng . n v cung cp cc thit b in cho cng ty ng tu Nam triu l tp on Hanaka T sn Bc Ninh. Cc my BA nhp mi u l cc my c hai cp u vo: cp 6,3 KV v cp 22 KV. Hin nay cng ty vn s dng li 6,3 KV t ngun H L, nhng trong d n nng cp mng li cao p ca thnh ph Hi Phng sp ti c nng cp thnh mng li cao p 22 KV. V vy nn trong d n nng cp h thng ca cng ty phi mua cc my BA c 2 cp tuy gi thnh cao hn nhng khi Thnh ph nng cp li in nn 22KV th cng ty khng phi thay cc my BA na.

Hnh 1.6a. S mch in kt ni t li 6,3KV cp in cho cc bin pca nh my

Hnh 1.6b. S mng in cao p

Hnh 1.6c. S mng in cao p1.3.2. Cc trang thit b ca h htng cung cp in1. L 1: Trm bin p 22(6)/0.4KV-1000KVA( T4-M )My bin p: 01 my Cp in p : 22(6)/0.4KV Cng sut my : 1000KVA2. L 2: Trm bin p kios 22(6)/0.4KV-2x1000KVA ( T2-M )My bin p: 02 my Cp in p : 22(6)/0.4KV Cng sut my : 1000KVA T u dy: : (Y)/Y0-11(12)3. L 3: Trm bin p kios 22(6)/0.4KV-750KVA (Trm T5-M , T8-M , T13-M ) My bin p: 03 my ( Trm T5-M , T8-M , T13-M ) Cp in p : 22(6)/0.4KV Cng sut my : 750KVA T u dy: : (Y)/Y0-11(12)4. L 4: Thit b trm 2 my bin p 22(6)/0.4KV-2x1000KVA (Trm T11-M, T12-M )My bin p: 04 my Cp in p : 22(6)/0.4KV Cng sut my : 1000KVA T u dy: : (Y)/Y0-11(12)5. L 5: Thit b trm 01 my bin p cch li 22(6)/0.4KV-750KVA (M7)My bin p cch li: 01 my Cp in p : 22(6)/0.4KV Cng sut my : 750KVA T u dy: : (Y)/Y0-11(12)6. L 6: Thit b trm ct 22KV 1.T my ct l i cc trm tng 01 t( c lp) T my ct: Loi trong nh, v bc bng tn Thit b ng ct: My ct 24KV/1000A-16KA/1s + Tiu chun my ct: IEC-56 Dng in nh mc thanh ci ng: 1250A Bin dng in: 24KV 200-400/1/1A + Tiu chun : IEC -185 Bin in p: 24KV + Cp chnh xc : 0.5 Dung lng nhit: 250(VA) Thit b o lng: A, WH, Varh( A, W, KVA, KWH, KVA) Cng sut cho u ra cho hai loi hai cun s cp : 30-50(VA)2. H thng t phn phi 24KV( hai phn on)a. Phn on 1 01 t my ct l tng: 24KV/630A-16KA/1s 01 t ni cp: 24KV 02 t my ct l i: 24KV/400A-16KA/1s 01 t ng ct cho h thng t b cos: 24KV/400A-16KA/1s 01 t bin p o lng 24KVb. Phn on 2 01 t my ct l tng: 24KV/630A-16KA/1s 01 t my ct lin lc: 24KV/630A-16KA/1s 02 t my ct l i: 24KV/400A-16KA/1s 01 t bin p o lng 24KVThit b o lng bo v: + S dng r le k thut s + Bo v qu dng 3 pha : F 50-51 + Bo v qu dng th t khng: F50-51N + Bo v qu dng th t khng c hng: F67N + Bo v thp p: F27 + Bo v qu in p F597. L 7: Thit b nng cp trm bin p 6,3/0.4KV thnh trm BA 22(6)/0.4KV-750KVA( Trm T6-C , T9-C , T10-C )My bin p: 03 my (Trm T6-C , T9-C , T10-C ) Cp in p : 22(6)/0.4KV Cng sut my : 750KVA T u dy: : (Y)/Y0-11(12)8. L 8: Thit b nng cp trm xy T3-C : 01 my bin p 6,3/0.4KV-1000KVA thnh trm bin p 22(6)/0.4KV-1000KVA& 750KVAMy bin p: 02 my Cp in p : 22(6)/0.4KV Cng sut my : 1000KVA - 01 my BA Cng sut my : 750KVA - 01 my BA T u dy: : (Y)/Y0-11(12)9. L 9: Thit b nng cp trm bin p T1-C : 6,3/0.4KV thnh trm BA 22(6)/0.4KV-320KVAa. My bin p: 01 my Cp in p : 22(6)/0.4KV Cng sut my : 320KVA T u dy: : (Y)/Y0-11(12b. T in h th : 01 t : T in: V sn tnh in, c ngn chng tn tht : TI m 800/5 cp chnh xc 0,5 My ct h th l tng :500V-600A-65KA/1s S dng cc Aptomat ca t c. ng h o lngV, A, KWH, KVARH ( TI o 800/5 cp chnh xc 1, ng h v cng, hu cng cp chnh xc 1 ) Chng st h th Kho chuyn mch, n tn hiuc. Cp ng h p l tng t my BA n t h th Chiu di dy cp: 20m Cp XPLE 4x240mm2 -600(1000)V Ph kin u ni u cp 4x240mm2d. Dy tip a my 1x120mm2 Chiu di dy : 10m PVC/Cu-1x120-600(1000V) Ph kin u ni dy10. L 10: Thit b ci to trm ct 6,3KV thnh trm ct 22KV 1.T my ct l i cc trm tng 01 t( c lp) T my ct: Loi trong nh, v bc bng tn Thit b ng ct: My ct 24KV/1000A-16KA/1s2. H thng t phn phi 24KV( hai phn on)a. Phn on 1 01 t my ct l tng: 24KV/630A-16KA/1s 01 t ni cp: 24KV 02 t my ct l i: 24KV/400A-16KA/1s 01 t ng ct cho h thng t b cos: 24KV/400A-16KA/1s 01 t bin p o lng b. Phn on 2 01 t my ct l tng: 24KV/630A-16KA/1s 01 t ct lin lc: 24KV/630A-16KA/1s 02 t my ct l i: 24KV/400A-16KA/1s 01 t bin p o lng 24KV11. L 11: Cp ngm trung th 3x185 mm2-24KV di 3426m1. c tnh k thut ca cp trung th:- Cp ngm chng thm dc, in p nh mc: 24KV-XLPE- ng knh ngoi cng ca cp : 85mm2. Quy cch cp- Quy cch cp : PVC/DSTA/PVC/XLPE-24KV-Vt liu dn in : t hp cc si ng- S rut dn: 3 si - Kt cu li bn nn trn- ai thp bo v bng thp m km.- Tit din Fm / 1li : 185mm2- Dng in cho php trong khng kh ( 400 C ) : 450 A - Dng in cho php trong t ( 250 C ) : 410A- Dng in ngn mch IN/1s : 26,4KA/1s- in tr xoay chiu 90 C : 0,128/km - in tr mt chiu 20 C : 0,0991/km - in p chu ng tn s cng nghip 50Hz: 70KV- in p chu ng tn s xung st: 125KV 3. Ph tng km theo: Hp u cp v hp u cp ph hp vi tit din 185mm2, kiu khun p nng v lnh.Hp u cp 3x185mm2: 38 bHp ni cp 3x185mm2: 01 b12. L 12 : Cp ngm trung th 3x240mm2-24KV di 535m1. c tnh k thut ca cp trung th:- Cp ngm chng thm dc, in p nh mc: 24KV-XLPE- ng knh ngoi cng ca cp : 91mm2. Quy cch cp- Quy cch cp : PVC/DSTA/PVC/XLPE-24KV-Vt liu dn in : t hp cc si ng- S rut dn: 3 si - Kt cu li bn nn trn- ai thp bo v bng thp m km.- Tit din Fm / 1li : 240mm2- Dng in cho php trong khng kh ( 400 C ) : 520 A - Dng in cho php trong t ( 250 C ) : 470 A- Dng in ngn mch IN/1s : 34,3KA/1s- in