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 echiteshi chemagetsi chehydropower pane yepamusoro musoro 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 ekuongorora 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 zvekugadzira, hombe yemagetsi muchina wekutsvagisa yakagadzira yakakwirira yemvura bvunzo-mubhedha ine mabasa akazara uye yakakwira chaiyo, iyo inogona kuita bvunzo dzemuenzaniso pane tubular, yakasanganiswa kuyerera, axial kuyerera uye inodzoreredza hydraulic muchina zvichiteerana, uye musoro wemvura unogona kusvika 150m. Bhenji rekuyedza rinogona kuenderana nemuenzaniso bvunzo dzemayuniti 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 yemagetsi control system inotora PROFIBUS seyakanyanya, NAIS fp10sh PLC semutongi mukuru, uye IPC (industrial control komputa) inoona centralized control. Iyo sisitimu inotora fieldbus tekinoroji 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 inomhanya ye250 ~ 1100r / min, iyo inomhanyisa kuyerera kwemvura mupombi kuenda kumamita emusoro wemvura anodiwa nemushandisi uye kuchengetedza musoro wemvura uchifamba zvakanaka. Iyo parameter yemumhanyi inotariswa neiyo dynamometer. Injini yemagetsi ye dynamometer ndeye 500kW, iyo inomhanya iri pakati pe300 ~ 2300r / min, uye pane imwe dynamometer pazviteshi a uye B. Nheyo yepamusoro yepamusoro hydraulic machinery test bench inoratidzwa mumufananidzo 1. Iyo system inoda kuti kutonga kwemotokari kururamisa kuri pasi pe 0.00% yakakura kupfuura maawa 5TBF uye M5TB. Mushure mekutsvaga kwakawanda, DCS500 DC yekumhanyisa regulation system inogadzirwa ne * * * kambani inosarudzwa. DCS500 inogona kugamuchira mirairo yekudzora 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 yakakanganiswa mukufambiswa kwemazuva ano uye inokanganisa kutonga kwakarurama; Kunyangwe iyo yechipiri nzira inodhura, inogona kuve nechokwadi chechokwadi che data uye kutonga kurongeka mukufambisa kwekufambisa. Naizvozvo, 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 kuenda 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 nzira yekutaurirana neIPC uye data yekutora system; Iyo zvakare iyo DP master station, iyo inoona master-muranda kutaurirana neDCS500.
Ese ma paramita eiyo dynamometer achaunganidzwa uye kuratidzwa pachiratidziro kuburikidza neVXI Bhazi Technology (mamwe ma paramita achaunganidzwa 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 5 masangano 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 haienderane neFMS. Naizvozvo, haigone kushandisa imwe fomu yePROFIBUS mukugadzira chirongwa.
PROFIBUS-DP optimized high-speed and cheap communication connection yakagadzirirwa kutaurirana pakati pe otomatiki control system 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 hachitauriki.
PROFIBUS PA standard intrinsically safe transmission tekinoroji yakarongedzerwa process automation inoona nzira dzekutaurirana dzakataurwa mu ic1158-2 kuzviitiko zvine kuchengetedzwa kwepamusoro zvinodiwa uye zviteshi zvinofambiswa nebhazi. Iyo yekufambisa svikiro inoshandiswa muhurongwa imhangura yakadzivirirwa yakamonyoroka maviri iyo protocol yekutaurirana ndeye RS485 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 yekudzora komputa inomhanya Windows NT4 0 workstation inoshanda sisitimu WinCC industrial configuration software yeSiemens kambani inoshandiswa kuratidza ruzivo rwemamiriro ekushanda ehurongwa pachiratidziro chikuru, uye nemifananidzo inomiririra kuyerera kwepombi uye kuvharika. Yese data inofambiswa kubva kuPLC kuburikidza nePROFIBUS. IPC yakashongedzerwa mukati neprofiboard network kadhi inogadzirwa neGerman softing company, iyo yakanyatsogadzirirwa PROFIBUS. Kuburikidza nesoftware yekumisikidza inopihwa nekunyorova, networking inogona kupedzwa, network yehukama hukama Cr (hukama hwekutaura) uye chinhu duramazwi OD (chinhu duramazwi) chinogona kugadzwa. WINCC inogadzirwa neSiemens. Inongotsigira zvakananga 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, iyo control system inodawo kudzora makumi maviri nemasere mavharuvhu emagetsi, 4 huremu mota, 8 pombi mota dzemafuta, 3 vacuum pump motors, 4 mafuta ekudhonza pombi mota uye 2 lubrication 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 data rakakodzera mushure mekunge mamiriro ekushanda agadzikana kwema 2 ~ 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. Iko kumhanya kwepombi yemvura inoiswa neIPC keyboard.
2.2 nguva dzose kumhanya
Rongedza 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 kwema 2 ~ 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 kuti iite torque yekubuda kweiyo dynamometer pedyo ne zero (pasi pemamiriro ekushanda aya, dhinamometer inoshanda yekugadzira simba uye kushanda kwemagetsi), uye unganidza data rakakodzera. Munguva yekuyedzwa, kumhanya kwepombi yepombi yemvura inodiwa kuti irambe isina kuchinjika uye kugadziridzwa neDCS500.
2.4 kuyerera kuyerera
Iyo sisitimu inoshongedzerwa maviri ekuyerera ekugadzirisa matangi ekuenzanisa iyo flowmeter muhurongwa. Usati warongeka, tanga waona kukosha kwekuyerera, wobva watanga mota yepombi yemvura uye ramba uchigadzirisa kumhanya kwepombi yemvura. Panguva ino, teerera kukosha kwekuyerera. Kana kukosha kwekuyerera kunosvika pamutengo unodiwa, gadzirisa mota yepombi yemvura pane inomhanya ikozvino (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 uchave mukuru wekushandiswa kwemaindasitiri.
Nguva yekutumira: Feb-17-2022
