Hydraulic turbine model test bhenji inoita basa rakakosha mukuvandudza tekinoroji yehydropower.Icho chishandiso chakakosha chekuvandudza mhando yezvigadzirwa zvehydropower uye kukwidziridza mashandiro emayuniti.Kugadzirwa kwechero mumhanyi kunofanirwa kutanga kuumba mumhanyi wemodhi uye kuyedza modhi nekutedzera iwo chaiwo mamita emusoro wechiteshi chemagetsi emagetsi pamubhedha wepamusoro we hydraulic machinery test-bed.Kana iyo data yese ikasangana nezvinodiwa nevashandisi, mumhanyi anogona kugadzirwa zviri pamutemo.Naizvozvo, vamwe vagadziri vemidziyo yemagetsi emagetsi ekunze vane mabhenji akati wandei epamusoro emvura ekuyedza kuti asangane nezvinodiwa zvemabasa akasiyana.Semuenzaniso, kambani yeFrance neyrpic ine mabhenji mashanu epamusoro-soro emhando yepamusoro;Hitachi naToshiba vane zvimiti zvishanu zvemuenzaniso zvine musoro wemvura unodarika 50m.Zvinoenderana nezvinodiwa zvekugadzirwa, hombe yemagetsi muchina wekutsvagisa yakagadzira yakakwirira yemvura bvunzo-mubhedha ine mabasa akazara uye yakakwira chaiyo, iyo inogona kuita bvunzo dzemuenzaniso pane tubular, kuyerera kwakasanganiswa, axial kuyerera uye inodzoreredza hydraulic muchina zvichiteerana, uye musoro wemvura unogona kusvika 150m.Bhenji rekuyedza rinogona kuchinjika kune yemuenzaniso bvunzo yemayuniti akatwasuka uye akatwasuka.Bhenji rekuyedza rakagadzirwa nezviteshi zviviri a uye B. kana chiteshi chinoshanda, chiteshi B chinoiswa, chinogona kupfupisa kutenderera kwebvunzo.A. B zviteshi zviviri zvinogovana seti imwe yemagetsi ekudzora system uye test system.Iyo magetsi ekudzora sisitimu inotora PROFIBUS semusimboti, NAIS fp10sh PLC semutongi mukuru, uye IPC (industrial control komputa) inoona centralized control.Iyo sisitimu inotora tekinoroji yebus kuti ione iyo yepamusoro yese yedhijitari yekudzora modhi, iyo inovimbisa kuvimbika, kuchengetedzeka uye nyore kuchengetedza sisitimu.Iyo mvura yekuchengetedza muchina bvunzo yekudzora sisitimu ine yakakwira degree re otomatiki muChina.Kuumbwa kwekutonga system
Iyo yepamusoro yemvura yekuyedza bhenji ine mapombi maviri epombi ane simba re550KW uye nhanho yekumhanya ye250 ~ 1100r / min, inomhanyisa kuyerera kwemvura mupombi kuenda kumamita emusoro wemvura anodiwa nemushandisi uye kuchengetedza musoro wemvura uchimhanya. zvakanaka.Izvo zviyero zvemumhanyi zvinotariswa neiyo dynamometer.Iyo mota simba reiyo dynamometer i500kW, kumhanya kuri pakati pe300 ~ 2300r / min, uye kune imwe dynamometer pazviteshi a uye B. Nheyo yemusoro wepamusoro hydraulic machinery test bench inoratidzwa muFigure 1. Iyo sisitimu inoda kuti iyo mota yekudzora kunyatsoita isingasviki 0.5% uye iyo MTBF yakakura kupfuura 5000 maawa.Mushure mekutsvaga kwakawanda, DCS500 DC yekumhanyisa regulation system inogadzirwa ne * * * kambani inosarudzwa.DCS500 inogona kugamuchira kutonga mirairo munzira mbiri.Imwe ndeyekugamuchira 4 ~ 20mA masaini kuti asangane nekumhanya zvinodiwa;Yechipiri ndeyekuwedzera PROFIBUS DP module yekugamuchira mudhijitari modhi kuti isangane nekumhanya zvinodiwa.Nzira yekutanga ine kudzora kuri nyore uye mutengo wakaderera, asi ichave yakakanganisika mukufambiswa kwemazuva ano uye inokanganisa kutonga kwakarurama;Kunyangwe iyo yechipiri nzira inodhura, inogona kuve nechokwadi chechokwadi che data uye kutonga kurongeka mukufambisa kwekufambisa.Naizvozvo, iyo sisitimu inotora ina DCS500 kudzora maviri dynamometers uye maviri emvura pombi mota zvichiteerana.SePROFIBUS DP chiteshi chevaranda, iwo maturusi mana anotaurirana netenzi chiteshi PLC mune tenzi-muranda modhi.Iyo PLC inodzora kutanga / kumira kwe dynamometer uye mota yepombi yemvura, inofambisa mota inomhanya kuDCS500 kuburikidza nePROFIBUS DP, uye inowana iyo mota inomhanya mamiriro uye paramita kubva kuDCS500.
PLC inosarudza iyo afp37911 module inogadzirwa neNAIS Europe seye master station, inotsigira FMS neDP protocol panguva imwe chete.Iyo module ndiyo chiteshi chikuru cheFMS, inoziva iyo huru modhi yekutaurirana neIPC uye data yekutora system;Iyo zvakare iyo DP master chiteshi, iyo inoziva master-muranda kutaurirana neDCS500.
Ese maparamita eiyo dynamometer achaunganidzwa uye kuratidzwa pachiratidziri kuburikidza neVXI Bhazi Technology (mamwe ma paramita anozounganidzwa nekambani yeVXI).IPC inobatana neyekutora data system kuburikidza neFMS kupedzisa kutaurirana.Kuumbwa kwehurongwa hwese kunoratidzwa muMufananidzo 2.
1.1 fieldbus PROFIBUS chiyero chakagadzirwa nemakambani gumi nematatu uye masangano mashanu ekutsvagisa sainzi muchirongwa chekusimudzira chakabatana.Iyo yakanyorwa muEuropean standard en50170 uye ndeimwe yemaindasitiri fieldbus zviyero zvinokurudzirwa muChina.Inosanganisira mafomu anotevera:
·PROFIBUS FMS inogadzirisa mabasa ekukurukurirana zvakajairika padanho rewekishopu, inopa huwandu hukuru hwemasevhisi ekutaurirana, uye inopedza mabasa ekutenderera neasiri cyclic ekutaurirana nekumhanya kuri pakati nepakati.Iyo Profibus module yeNAIS inotsigira mwero wekutaurirana we1.2mbps uye haitsigire iyo cyclic yekutaurirana modhi.Inogona chete kutaurirana nedzimwe nhepfenyuro dzeFMS nekushandisa MMA non cyclic data transmission master connection uye module haienderani neFMS.Naizvozvo, haigone kushandisa imwe fomu yePROFIBUS mukugadzira chirongwa.
PROFIBUS-DP optimized high-speed and cheap communication connection yakagadzirirwa kutaurirana pakati pe otomatiki kudzora sisitimu uye nhanho yemidziyo yakatemerwa I / O. Nekuti DP neFMS vanotora imwechete yekutaurirana protocol, vanogona kugarisana mune imwechete network segment.Pakati peNAIS nea, msaz non cyclic data transmission master-slave connection chiteshi chevaranda hachifambire kutaurirana.
PROFIBUS PA yakajairika mukati yakachengeteka tekinoroji yekufambisa yakanyatsogadzirirwa process otomatiki inoona nzira dzekutaurirana dzakatsanangurwa muIC1158-2 kuzviitiko zvine kuchengetedzwa kwakanyanya uye zviteshi zvinofambiswa nebhazi.Iyo yekufambisa svikiro inoshandiswa muhurongwa imhangura yakadzivirirwa yakamonyoroka peya iyo protocol yekutaurirana iRS485 uye mwero wekutaurirana i500kbps.Iko kushandiswa kwemaindasitiri fieldbus kunopa vimbiso yekuchengetedza uye kuvimbika kweiyo system.
1.2 IPC indasitiri inodzora komputa
Iyo yepamusoro maindasitiri inodzora komputa inotora Taiwan Advantech indasitiri inodzora komputa inomhanya Windows NT4 0 workstation inoshanda sisitimu WinCC industrial configuration software yeSiemens kambani inoshandiswa kuratidza mamiriro ekushanda ruzivo rwesisitimu pachiratidziro chikuru, uye nemifananidzo inomiririra kuyerera kwepombi uye. blockage.Yese data inofambiswa kubva kuPLC kuburikidza nePROFIBUS.IPC yakashongedzerwa mukati neprofiboard network kadhi inogadzirwa neGerman softing company, iyo yakanyatsogadzirirwa PROFIBUS.Kuburikidza nesoftware yekumisikidza yakapihwa nekunyorova, networking inogona kupedzwa, network yehukama hukama Cr (hukama hwekutaura) uye chinhu duramazwi OD (chinhu duramazwi) chinogona kugadzwa.WINCC inogadzirwa neSiemens.Inongotsigira yakananga kubatana nekambani S5 / S7 PLC, uye inogona chete kutaurirana nemamwe maPLC kuburikidza neDDE tekinoroji inopihwa nemahwindo.Kambani yekunyorovera inopa DDE server software kuti ione PROFIBUS kutaurirana neWinCC.
1.3 PLC
Fp10sh yeNAIS kambani inosarudzwa sePLC.
2 control system mabasa
Pamusoro pekudzora mapombi maviri epombi yemvura uye maviri dynamometers, sisitimu yekutonga inodawo kudzora mavharuvhu emagetsi makumi maviri nemasere, mavharuvhu mana ehuremu, mapombi masere epombi emafuta, matatu epombi epombi, mana epombi ekudhiza mafuta uye maviri ekuzora solenoid mavharuvhu.Kuyerera kwegwara uye kuyerera kwemvura kunodzorwa kuburikidza nekuchinja kwemavharuvhu kuti asangane nezvinodiwa zvekuedzwa kwevashandisi.
2.1 musoro unogara uripo
Rongedza kumhanya kwepombi yemvura: ita kuti igadzikane pane imwe kukosha, uye musoro wemvura une chokwadi panguva ino;Rongedza kumhanya kweiyo dynamometer kune imwe kukosha, uye unganidza yakakosha data mushure mekushanda kwemamiriro ekushanda kwakadzikama kwe2 ~ 4 maminetsi.Munguva yekuedzwa, inodiwa kuchengetedza musoro wemvura usina kuchinjwa.A kodhi dhisiki inoiswa pamota yepombi yemvura kuti iunganidze kumhanya kwemota, kuitira kuti DCS500 iumbe yakavharwa-loop control.Kumhanya kwepombi yemvura kunoiswa neIPC kiibhodhi.
2.2 kukurumidza kumhanya
Gadzirisa kumhanya kweiyo dynamometer kuti igadzikane pane imwe kukosha.Panguva ino, kukurumidza kwe dynamometer kunogara kuripo;Rongedza kumhanya kwepombi kune imwe kukosha (kureva gadzirisa musoro), uye unganidza data rakakodzera mushure mekunge mamiriro ekushanda agadzikana kwe2 ~ 4 maminetsi.DCS500 inoumba chivharo chakavharwa chekumhanya kwe dynamometer kudzikamisa kumhanya kwe dynamometer.
2.3 bvunzo dzekutiza
Rongedza kumhanya kweiyo dynamometer kune imwe kukosha uye chengetedza kumhanya kweiyo dynamometer isina kuchinjika gadzirisa kumhanya kwepombi yemvura kuita torque yekubuda kweiyo dynamometer pedyo ne zero (pasi peiyi mamiriro ekushanda, dynamometer inoshanda pakugadzira simba uye kushanda kwemagetsi), uye unganidza data rakakodzera.Munguva yekuyedzwa, kumhanya kwepombi yepombi yemvura inodiwa kuti irambe isina kuchinjwa uye kugadziriswa neDCS500.
2.4 kuyerera kuyerera
Iyo sisitimu inoshongedzerwa maviri ekuyerera ekugadzirisa matangi ekuenzanisa iyo flowmeter muhurongwa.Usati warongeka, tanga waona kukosha kwekuyerera kwakanyorwa, wobva watanga mota yepombi yemvura uye ramba uchigadzirisa kumhanya kwepombi yemvura.Panguva ino, teerera kukosha kwekuyerera.Kana kukosha kwekuyerera kwasvika pamutengo unodiwa, dzikamisa mota yepombi yemvura pakumhanya kwazvino (panguva ino, mvura inotenderera mupombi yekuenzanisa).Isa nguva yekuchinja ye deflector.Mushure mekunge mamiriro ekushanda agadzikana, shandisa solenoid valve, tanga nguva, uye shandura mvura mupombi kune tangi yekugadzirisa panguva imwe chete.Kana nguva yenguva yapera, solenoid valve inobviswa.Panguva ino, mvura inochinjirwa kune pombi yekuenzanisa zvakare.Deredza kumhanya kwepombi yepombi yemvura, igadzikane pane imwe kumhanya, uye verenga yakakodzera data.Zvadaro bvisa mvura uye gadzirisa pfungwa inotevera.
2.5 manual / otomatiki isina kukanganiswa switching
Kuti ufambise kuchengetedza uye kugadzirisa kwehurongwa, kiibhodhi yebhuku inogadzirirwa sisitimu.Mushandi anogona kudzora chiito chevhavha akazvimiririra kuburikidza nekhibhodi, iyo isingamanikidzwe nekubatanidza.Iyo sisitimu inotora NAIS iri kure I / O module, iyo inogona kuita iyo keyboard kushanda munzvimbo dzakasiyana.Munguva yebhuku / otomatiki switching, iyo valve state inoramba isina kuchinjika.
Iyo sisitimu inotora PLC semutongi mukuru, iyo inorerutsa sisitimu uye inovimbisa kuvimbika kwepamusoro uye nyore kugadzirisa kwehurongwa;PROFIBUS inoziva kufambisa kwedata kwakazara, inodzivirira kukanganiswa kwemagetsi, uye inoita kuti sisitimu isangane nezvinodiwa zvedhizaini;Kugovana data pakati pemidziyo yakasiyana kunoitwa;Iko kuchinjika kwePROFIBUS kunopa mamiriro ari nyore ekuwedzera kweiyo system.Iyo sisitimu dhizaini chirongwa neindasitiri fieldbus sezvo musimboti unozove iwo mainin yemaindasitiri application.
Nguva yekutumira: Feb-17-2022
