Thong tin khoa hoc cong nghe m o ' DANH GIA HIEU QUA llNG DUNG THIET Bl BIEN Tl/CONG SUAT CHO T d i TRgC GIENG T^l CONG T( THfiN KHE CHfiM- TKV ThS VO THe NAM In the case of deeper and deeper mining activities, the transportation operation by shaft hoisting winch will become ThS.VOTUANANH more and more important Therefore, the evaluation of the ThS PHAM THANH L|£M efficiency in the power consumption as well as the development Vien Khoa hpc Cdng nghi Md - Vinacomin of the advanced technical solutions for the hoisting winch have Bien tip: TS Lwu Van ThiPC been considered as an important task and needed to be significantly paid attention to The research and application of the control frequency converter for the shaft hoisting winch at Khe Cham coal joint stock company have gained many actual effects which have been considered as a basis for further its application to other underground coal mining units belonging to Vinacomin for the energy efficiency and consen/ation and the increase of the equipment operation skill Tgi eae mo him Id eua nude ta, vgn tai than, dat da thai qua gilng ehu yeu su dung tdi truc.Tdi true gieng mo d nude ta v i n dang su dung he thong truyen dpng dien, vdi eong suit tieu thu dipn Idn, vgn hanh lien tge, tdi true la mpt nh&ng thilt bj tieu thu dipn Idn cdc mo him 16 Kinh nghi$m cua cde nude tien tiln tren t h i gidi da eho thiy tinh uu vipt eua vipe ap dgng cho may mo cdc hp thong truyin dpng dipn tien tien han vdi cdc bO biln doi dipn khong eo cac phin tu ehuyin dpng Su dung cac bp biln doi di#n bdng ban dan cho phep tang he so eong suit coscp vd toe dp dap ung, giam eong suit phdn khdng Biln t i n Id mot nhung thilt bj dipn tu edng suit phue vu dieu khien dpng ea duge phdt triln mgnh me Dge biet, ngodi kha nang dieu khiln toe do, tilt kipm dien nang d l i vdi bien tan thong thudng, nhi>ng biln tan toi uu cdn CO kha ndng ham tai sinh tra nguge nang lugng v l ludi Tuy nhien, thue t l vipc dp dgng biln t i n vao dieu khien dang gap nhilu kho khan chi phi dau tu eao cung nhu linh kien dien tu phO-c tgp Oe khde phgc nhij-ng t i n tgi tren, Vien Khoa hpe Cdng nghp Mo da de xuit giai phap ung dgng bien tan co ehi>e nang ham tdi sinh tra nang lugng v l ludi cho tdi trgc gilng mo him Id Giai phdp dd dugc dp dung eho tdi tn,ie JK 2.5 gieng phg +32 Cong ty than Khe Chdm - TKV vd da mang Igi nhung hipu qua tich cgc Hi^n trang van hdnh tdi true gieng Tdi true gilng phu +32 JK 2.5, tai Cong ty than Khe Cham, ea thudng duae SLP dgng vao hai mgc dieh ehinh; D i u ea va euli ea dung de keo song loan c_hd ngudi, so lugng ngudi t i i da la 24 ngudi x 02 song loan Ngodi thdi gian chd ngudi, tdi dugc su dung de vgn chuyin thilt bj, vgt lipu vao 16 vd vgn chuyin dit da thai ngodi, t h i tich t i i da chuyen chd Id go6ng, dung tich 3m^ Ljch vgn hanh tdi JK 2.5 tgi gilng phg +32, mo Khe Chdm dugc the hien bang Tdi JK2,5 su dgng dpng ca co cong suit Idn, Pdm = 570kW (hinh 1), Id dpng ca khong dong bp roto day quin, dugc khdi dpng va dilu chinh toe dp bang cdch thay doi dipn trd ro to (vdi cap dien trd) Dung tdi hogc ham tdi bdng ham dpng nang cua dpng ca (ham dpng nang vdn tieu thg dien tu ludi), kit hgp phanh ca Kit qua kilm eg t h i eong suit tieu thu dpng ca tdi van hanh, tu phuang phap khdi dpng vd dilu khien toe nhilu d p , bdng phuang phap dong cat dien trd phg keo tdi Sang Lich vin hanh tdi JK2 ca Th&i gian So chuyen chuyen, phut Nang tai Ha tai Nang ta Ha tai Cha nguifi 6 4,88 3,42 vat lisu 17 15 3,68 3,19 Cha ngu'&l 6 4,88 3,42 TT Vin tai KHCN.M S6 5/2015* CO DI$N - TiroONG HOA w Thong tin khoa hpc cong nghe mci va tha tai du'O'C t h i hi^n tren hinh Tren hinh t h i hien so Sb nguyen iy phuong phdp dilu khiln too dO toi trvic bing dong clt dc d p di$n trd' phu 'Tif s6 li$u kilm, thing kd du'Oe bang c6ng suit tiSu thg ciJa toi tn.ic (bang 2) Do kh&i dOng va dilu khiln tic dO bing di$n trd* ndn ngocii vide tieu t i n n3ng iifong qua ddn tro, d$ng co tn.ic toi Idm giam hd s l cong Hinh TdlJK 2.5 gling phu +32, mi Khe Chim suit tnjng binh cua iyoi he s l cong suit ciia 350,000 300,000 250.000 200.000 150.000 100.000 50.000 O OO \ O r-i r-i f-^i • —I •—I ' o '!^ m o o o o o o o o o e> ^^ o —H r-> Hinh Bidu dd tiiu th^ cdng sudt khdi ddng bing diin trd a, Kio song loan, b, Kdo vit liiu Hinh Sa dd nguyin I'j' phuong in didu khidn tdc dO theo cdp didn trdphv 'jm KHCNM SO 5/2015* CO DlfiN - T y D O N G HOA Thong tin khoa hoc cong nghe mo dpng ea khdi dpng thip Bieu d l hp s l eong suit khdi d0ng va nang tai duge t h i hien tren hinh Qua hinh thiy ring, he s l edng suit vgn hdnh tdi chgy bang ea c l u dieu khiln eu la rit thip, khdi dpng vd ham lien tgc gay t i n that di^n ndng Idn, giam tuli thp boi day dpng ca khdi dpng nhilu Iln, giam tuli thp ea c l u ca momen khoi ddng Ion Thoi gian hoat dong cua toi du'O'C the hien hinh Qua bilu hinh 5, cho thay, thoi gian hoat dong cua tOi la khong cao, chilm 40,30% thoi Bing Tiiu thu ning luxyng cua tdn JK 2.5 khdi ddng bing dl$n trd phi^ TT Loai tai Song loan V^t li$u P trung binh NSng tai Ha tai kW kW 236.05 295.47 Pmax kW 363,28 47313 0.80 0.60 0.40 0.20 0.00 Hinh Biiu dd ty li thdi gian hoat ddng tmng ca cua tdi 0.80 0.60 0.40 0.20 0.00 ^ o\ c\ o -H r i ' , -rr v~, vo r - CO C>i •-i-'tt-t-t'^-TTrTi t-tHinh Bidu dd hi sd cdng suit tiiu thu tdi Khe Chim tnrdc ip dung giii phip a Kio song loan; b, Kio vit Hiu Ca cau dieu khien i ^ -iA- Hinh So di nguyin If mit sgi lip dit bi biin tin dliu khiin KHCNM s S/2015' CO B l t N - TV D O N G HOA Thong tin khoa hoc c6ng nghe md Biln t i n Hinh Sa dd khdi kdt hop bidn tin vi ddng co tmc tdn gian ea; hp s l mang tai Idn nhit tieu thg Bing ThOng sd hoat ddng tdi JK2.5 didu dipn Id 83% tai, vdi dpng ea 570kW; hp thing su khidn bing bidn tdn dgng hdm dpng nang gay t i n hao eong suit qua trinh tha tai, su dgng dipn trg de dilu Toe dg Tan so Ghichu TT So khiln toe dp gay t i n thit ndng lugng khdi m/s Hz dOng vd hogt dpng d t i e dp thip (ca 1 0,2-0,35 qud trinh keo vd tha tai) 2 1,2-1,4 20 Ca c l u dilu khien hipn tgi, dilu khiln toe dp Toe ao t6i da chd 3 1,9-2,1 30 tdi trgc bang vipe dong eat cac eip dipn trd phg ngu'6'i c6 uu diem la dieu ehinh t i e dp theo cip, 4 2,7-2,9 40 nhien, nhugc diem lg, ea c l u dilu khien kha Tie toi iJa cha phCrctgp, tu dipn trd khdi dpng phai dam bao tan 6 3,6 50 hang nhi^t tit, t i n thit ndng lugng Idn trdn d\^n trd thgc hipn dilu ehinh t i e dp va khdi dpng Biln t i n du'Oe lu'a chon dau iir la dong dpng eg khong duge em ACS2000 CO chire nang ham tdi sinh tra ndng Nghien cuu ap dgng b i l n t i n cd chuc lu'Ong v l lu'oi ciia hang ABB Chuyin dilu khiln nang ham tdi sinh tra nang lugng v l ludi cho vd hogt dpng chinh cua toi sang dilu khien bing tdi trgc JK 2.5 bien t i n eo ham tdi sinh ACS 2000, mo hinh kit Sa d l nguyen ly eua giai phdp dp dgng bien nli du'O'C t h i hidn trdn hinh tin e6 chuc ndng ham tdi sinh nhu hinh Co c l u phanh co, he thong tang t&i vd hiln Theo do, he thing dilu khiln mdi gIm: i) Hp thi vi tri du'Oe SU' dung la\ ciia he thing eu thing eu dua vdo hogt dOng dg phdng (hp thong Dinh gii hi0ij qua kinh te - ky thu$t giii phip cu hodn todn co t h i dua vdo hogt dpng hp Sau dp dyng gidi phdp mdi, Vien Khoa thong mdi ggp sg co); ii) Ca eau dong eat (KIA hoe Cdng nghd Mo da phoi hop eiing Cdng ty vd K1B) cQng nhu (K2A vd K2B) phai ed lien than Khe Cham kilm vd ddnh gid hieu qud dp dpng ea eOng nhu lien dpng dipn vdi nhau, tranh dung Ket qua eho thiy toi JK 2.5, sau dp hipn tugng dong ngugc dipn ti> dau sang d i u dyng phu'ong thii'c dilu khiln t i e dp vd dao vdo, gdy nguy hilm cho ngudi vgn hdnh sua chilu quay bang biln t i n dd hogt ddng tit, vol ehua cung nhu lam hong thilt bi dieu khiln; Iii) nhO'ng yu diem co ban, la: Khoi dpng vd Diu tit phin day quin cua dpng ea tgi vj tri choi dirng m l m , thay doi t i c dd don gidn: dieu khiln than diu tryc dpng eg; iiii) L i p dgt bien tan va ddo ehilu quay don gian khdng cln ddo nguln ban dieu khiln tdi hogt dpng bang biln t i n ben c i p bing cdeh ddo pha; tilt kiem didn qud cgnh ban dilu khiln bang dipn trd trinh hogt ddng; vd-i hd phanh dde ldp (phanh KHCNM sfi 5'20I5« CO BltS - TU DONG HOA Thong tin khoa hpc cong nghg mo ":-"- thuy Igc tae dpng true tilp len tang tdi, pnanh bdng thilt bj nghjch Iuu cong suit ve ludi) Biln tan dang su dgng ed nhieu uu dilm, lai dugc tich hgp ea c l u nghich luu cd tinh nang nghjch luu todn bp cdng suit ham nang lugng tra v l ludi Thong so hogt dong eua tdi trgc dilu khiln bing biln t i n duge t h i hipn bang Cong suit tieu thg vd hp s l cong suit SLP dgng biln t i n dilu khiln t i c dp dpng ca tdi trge JK 2.5 duge t h i hien hinh vd Tiln hanh kiem hogt dpng binh thudng keo 02 song loan, s l lugng 48 ngudi Trong qud trinh hg tai, eong suit eua trge tdi dugc giam mpt phin nang lugng dugqthilt bj nghjch luu P cd BT kW 300.0 200.0 100.0 0.0 -100.0 -200.0 & ^^^-JJ^^ .—i^^-i-rfw- ' o t ^ o ^ (Xa ,TH.,^H-.:^^ ^^- Hinh Bidu dd cdng sudt tidu thu ci^ia bidn tdn ning tai a Kio songloan b,Kdo vit lidu Hinh Bidu dd hi sd cdng sudt tidu thu cua bidn tin ning tii a, Kio song loan b, Kio vit lieu — — O O -fn, -20.000 -to.ooo :^ -60.000 -so.ooo -lOO.OOO -120,000 '''^^*,^.i^r& -no,ooo Hinh 10 Biiu di hi s6 cdng suit tieu thu cua biin tin tii a, Kio song loan b, Kio vit lieu KHCNM S6 5/2015' CO DI$N - TV D O N G HOA Thong tin khoa hpc cong nghe m o Bing Si ii$u ning, til song loan TT Sol Hoatdgng Ha tai Nang tai Ha tai Nang tdi Sd2 So kW Cos(|) kW Coscp kW Coscp X X -36,2 -0,471 -69,49 -0,646 42,56 0,528 68,17 0,683 122,14 0,862 X X -36,93 -0,469 -56,34 -0,635 40,67 0,614 60,29 0,667 121,46 0,878 Bing Sd liiu ning hg til godng TT Hoat dgng Sol So Sd3 So kW Coscp kW Coscp kW Coscp kW X X X X X X X X 114,31 0,839 161,16 0,914 X X Coscp n Ha tdi Nang tdi 40,06 0,558 Ha tdi -9,19 -0,164 -43,14 -0,544 -89,00 -0,798 X X Nang tdi X X 121,67 0,849 164,17 0,914 208,99 0,946 Bing Bing thOng sd vin hinh ca ban s(> dijng bidn tdn P trung binh TT Lo^i tai TT kW kW Song loan 82,18 72,46 Vdt lidu 116,68 78,29 Ha til kW Song loan 163,87 -72,46 235,90 vat liOu 178,79 -78,29 257,14 trd v l lu'd'i Kit qua kilm thilt bi, bilu d l cdng suit tieu thy liie hg tdi diroc t h i hien trdn hinh 10, bang vd thing kd ede edng suit tidu thy theo tirng eip t i e dd khdc cua tcri so Tir bang thiy rang, qud trinh tha godng, edng suit tang d i n tai xuIng sau, edng suit trung binh vgn hanh s l la 208,99kW Nhu' vgy, vdi gidi phdp ndy, khdng nh&ng tilt kidm diroe nang lirong dilu chfnh tie dd md edn tilt kidm duve nang lu'Ong hg tai ed thilt bi nghich lu'u nang lu'o'ng ham ddng nang v l lu'di Can cir vdo so lieu kilm, thu dyoc bang thing kd edng suit tidy thy dp dyng bien tan vdo dilu khiln bdng tdi (bang 7) ' Bang Id hidu qua tilt kidm mdi chu trinh ndng tai vd hg tdi doi vol tdi true JK 2.6 ehuyin sgng eo c l u mdi dilu khien bing biln tin cd hdm tdi sinh tra ndng lyong v l lydi Tir bdng ndy, chung toi tinh dyoc lyong dien nang tilt kidm mdi ca vdo khoang 292 kWh dd tilt kidm 108,14 kWh vgn hdnh vdi KHCNM S 5/2015'CO Dl£N-TirB