Hydraulic turbine model test bed inoita basa rakakosha mukuvandudza tekinoroji yehydropower. Icho chishandiso chakakosha chekuvandudza mhando yezvigadzirwa zvehydropower uye kukwidziridza mashandiro emayuniti. Pakugadzirwa kwemumhanyi chero upi zvake, mumhanyi wemodhiyo anofanira kutanga agadzirwa, uye modhi inogona kuyedzwa nekutevedzera iyo chaiyo mita yemusoro weiyo hydropower station pane yakakwirira musoro hydraulic muchina bvunzo bhenji. Kana iyo data yese ikasangana nezvinodiwa nemushandisi, mumhanyi anogona kugadzirwa zviri pamutemo. Naizvozvo, vamwe vanozivikanwa vagadziri vemidziyo yemagetsi emvura kune dzimwe nyika vane mabhenji akawanda emusoro wepamusoro anoenderana nezvinodiwa zvemabasa akasiyana-siyana, akadai semabhenji mashanu epamusoro-soro emhando yepamusoro yekambani yenyrpic yeFrance; Hitachi naToshiba imwe neimwe ine zvimiro zvishanu zvemuenzaniso zvine musoro wemvura pamusoro pe50m. Zvinoenderana nezvinodiwa zvekugadzirwa, hombe yemagetsi muchina wekutsvagisa yakagadzira yakakwirira yemvura musoro bhenji yekuyedza ine mabasa akazara uye nehupamhi hwepamusoro, iyo inogona kuitisa bvunzo dzemuenzaniso pane tubular, yakasanganiswa kuyerera, axial kuyerera uye reversible hydraulic muchina zvichiteerana. 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 tekinoroji yebhazi remunda kuona iyo yepamusoro yakazara yedhijitari yekudzora modhi, iyo inovimbisa kuvimbika, kuchengetedzeka uye nyore kugadzirisa kwehurongwa. Ndiyo hydraulic muchina bvunzo yekudzora sisitimu ine yakakwira degree re otomatiki muChina. Kuumbwa kwekutonga system
Iyo yepamusoro yemvura yekuyedza bhenji inoumbwa nemapombi maviri epombi ane simba rakaiswa re550KW uye yekutenderera yekumhanyisa renji ye250-1100r / min kuti ikurumidze kuyerera kwemvura mupombi kuenda kumamita emusoro wemvura inodiwa nemushandisi uye kuchengetedza musoro wemvura uchifamba zvakanaka. Iyo parameter yemumhanyi inotariswa neiyo dynamometer. Iyo mota simba reiyo dynamometer i500kW, uye kumhanya kwekutenderera kuri pakati pe300 ne2300r / min. pane imwe dynamometer pachiteshi a uye chiteshi B. Nheyo yemusoro wepamusoro hydraulic machinery test bench inoratidzwa mumufananidzo 1. Iyo hurongwa inoda kuti kutonga kwemotokari kururamisa kuri pasi pe0.5%, uye nguva yepakati pakati pekukundikana (MTTF) yakakura kudarika maawa 5000. Mushure mekutsvaga kwakawanda, DCS500 DC yekumhanyisa control system inosarudzwa. Iyo DCS500 inogona kugamuchira mirairo yekudzora munzira mbiri, imwe ndeyekugamuchira 4-20mA masaini kuti asangane nekumhanya zvinodiwa; Imwe yacho ndeyekuwedzera PROFIBUS DP module kuti isangane nekumhanya kunodiwa nekugamuchira mudhijitari mode. Nzira yekutanga iri nyore uye yakachipa, asi ichakanganiswa mukufambiswa kwemazuva ano, inokanganisa kutonga kwakarurama; Kunyangwe iyo yechipiri modhi inodhura, inogona kuve nechokwadi chechokwadi chedata muhurongwa hwekutapurirana uye kutonga kurongeka. Naizvozvo, iyo sisitimu inoshandisa 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 pombi mota, inotamisa mota ichimhanya kuenda kuDCS500 kuburikidza nePROFIBUS DP, uye inotora mota inomhanya mamiriro uye paramita kubva kuDCS500, uye yozviendesa kune yepamusoro IPC kuburikidza nePROFIBUS FMS kuti uone chaiyo-nguva yekutarisisa.
Iyo PLC inosarudza iyo afp37911 module inogadzirwa neNAIS Europe seye master station, inotsigira FMS neDP protocol panguva imwe chete. Iyi module ndiyo chiteshi chikuru cheFMS uye inotaurirana neIPC uye data yekutora system mune master master mode; Iyo zvakare DP master chiteshi, iyo inoziva master-muranda kutaurirana neDCS500.
Iyo data acquisition system inotora tekinoroji yebhazi yeVXI kuunganidza zvakasiyana-siyana zve dynamometer uye kuaratidza pachiratidziro chikuru, uye fomu * * * mhedzisiro mumatafura uye magirafu (chikamu ichi chinopedzwa nemamwe makambani). IPC inotaurirana nedata yekutora system kuburikidza neFMS. Kuumbwa kwehurongwa hwose kunoratidzwa mumufananidzo 2.
1.1 fieldbus PROFIBUS PROFIBUS chiyero chakagadziridzwa nemakambani gumi nematatu akadai seSiemens neAEC uye masangano mashanu ekutsvagisa sainzi muchirongwa chekusimudzira. Iyo yakanyorwa muEuropean standard en50170 uye ndeimwe yeanokurudzirwa maindasitiri fieldbus zviyero muChina. Inosanganisira mafomu anotevera:
PROFIBUS FMS inogadzirisa mabasa ekukurukurirana zvakajairika padanho rewekishopu inopa huwandu hukuru hwemasevhisi ekutaurirana ▄ inopedza mabasa ekutenderera uye asiri ecyclic ekutaurirana nekumhanya kwepakati. Iyo Profibus module yeNAIS inotsigira * * * kutaurirana mwero we1.2mbps uye haitsigire cyclic yekutaurirana modhi inogona chete kushandisa MMA non cyclic data transmission master connection kutaurirana nedzimwe FMS master stations uye iyi module haienderani nePROFIBUS FMS yeProFIBUS FMS yeProFIBUS FMS non cyclic data transmission master connection kutaurirana nedzimwe FMS master stations
PROFIBUS PA yakajairika mukati yakachengeteka yekufambisa tekinoroji yakarongedzerwa process otomatiki inoona nzira yekutaurirana yakatsanangurwa mu iec1158-2 ▄ uye inoshandiswa munzvimbo dzine kuchengetedzwa kwakanyanya uye zviteshi zvinofambiswa nebhazi. Iyo yekufambisa svikiro inoshandiswa muhurongwa imhangura yakadzivirirwa yakamonyoroka peya iyo protocol yekutaurirana ndeye RS485 uye chiyero chekutaurirana i500kbps. Iko kushandiswa kwemaindasitiri emunda bhazi kunopa vimbiso yekuchengetedza uye kuvimbika kweiyo system.
1.2 IPC indasitiri inodzora komputa
Iyo yepamusoro maindasitiri inodzora komputa inotora Advantech indasitiri yekudzora komputa yeTaiwan inoshandisa windows NT4.0 workstation operating system inotora WinCC industrial configuration software ye Siemens hombe chidzitiro chinoratidza mamiriro ekushanda uye quotation ruzivo rwehurongwa, uye inoratidza zvakajeka kuyerera kwepombi uye kuvhara mamiriro. Yese data inofambiswa nePLC 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 hwekukurukurirana) inogona kugadzwa, uye chinhu duramazwi OD (chinhu duramazwi) chinogona kugadzwa. WINCC inogadzirwa neSiemens. Inongotsigira yakananga kubatana neS5 / S7 PLC yekambani, uye inogona chete kutaurirana neimwe PLC kuburikidza neDDE tekinoroji inopihwa nemahwindo. Kambani yeSoftware inopa DDE server software yekuona PROFIBUS kutaurirana neWinCC.
１.３ PLC
Fp10sh yeNAIS kambani inosarudzwa sePLC.
(2) control system basa
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 ekuburitsa pombi mota uye maviri ekuzora solenoid mavharuvhu. Kuyerera kwegwara uye kuyerera kwemvura kunodzorwa nevharuvhu switch kuti isangane nebvunzo zvinodiwa nevashandisi.
2.1 musoro unogara uchigadzirisa kukurumidza kutenderera kwepombi yemvura: ita kuti igadzikane pane imwe kukosha, uye musoro wemvura unogara uripo panguva ino; Gadzirisa kumhanya kwe dynamometer kune imwe kukosha. Mushure mekunge mamiriro ekushanda akagadzikana kwemaminitsi 2-4, unganidza data yakakodzera. Munguva yekuedzwa, inodiwa kuchengetedza musoro wemvura usina kuchinjwa. A code disk inoiswa papombi yepombi kuti iunganidze kumhanya kwemotokari, 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, uye kumhanya kweiyo dynamometer inogara; Rongedza kumhanya kwepombi kune imwe kukosha (kureva gadzirisa musoro), uye unganidza data rakakodzera mushure mekunge mamiriro ekushanda agadzikana kwemaminitsi 2-4. DCS500 inoumba chivharo chakavharwa chekumhanya kwe dynamometer kudzikamisa kumhanya kwe dynamometer.
2.3 bvunzo dzekutiza
Gadzirisa kumhanya kweiyo dynamometer kune imwe kukosha uye chengetedza kumhanya kweiyo dynamometer isina kuchinjika gadzirisa kumhanya kwepombi yemvura kuitira kuti torque yekubuda kweiyo dynamometer iite zero (pasi peiyi mamiriro ekushanda, dynamometer inoshanda yekugadzira simba uye kushanda kwemagetsi), uye unganidza data rakakodzera. Munguva yekuyedzwa, kumhanya kwepombi mota inodiwa kuti igare uye ichidzorwa neDCS500.
2.4 kuyerera kuyerera
Iyo sisitimu inoshongedzerwa neaviri ekuyerera ekugadzirisa matangi ekuenzanisa kuyerera kwemamita 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 kwasvika pamutengo unodiwa, ita kuti mota yepombi yemvura igadzikane pane ikozvino kutenderera kumhanya (panguva ino, mvura inotenderera mupombi yekuenzanisa). Isa nguva yekuchinja ye deflector. Mushure mekunge mamiriro ekushanda akagadzikana, vhura solenoid valve uye tanga nguva. Panguva imwecheteyo, shandura mvura mupombi kune tangi yekuenzanisa. Kana nguva yenguva yapera, solenoid valve inobviswa. Panguva ino, mvura inochinjirwa kune pombi yekuenzanisa, uye kumhanya kwekutenderera kwepombi yemvura inoderedzwa kuti igadzikane pane imwe kumhanya. Verenga data rakakodzera. 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 cheimwe vharafu akazvimiririra kuburikidza nekhibhodi pasina kumanikidzwa nekuvharika. Iyo sisitimu inotora NAIS iri kure I / O module, iyo inogona kuita iyo keyboard kushanda munzvimbo dzakasiyana. Munguva yebhuku / otomatiki switching, iyo valve mamiriro anoramba asina kuchinjika.
Iyo sisitimu inotora PLC semutongi mukuru, iyo inorerutsa sisitimu uye inovimbisa kuvimbika kwepamusoro uye kuchengetedza kwehurongwa; PROFIBUS inoziva kufambisa kwedata kwakazara, inodzivirira kukanganiswa kwemagetsi, uye inoita kuti sisitimu isangane nedhizaini yechokwadi zvinodiwa; Kugovana data pakati pemidziyo yakasiyana kunoitwa; Iko kuchinjika kwePROFIBUS kunopa mamiriro ari nyore ekuwedzera sisitimu. Iyo sisitimu dhizaini chirongwa chakavakirwa paindasitiri yebhazi bhazi inozova iyo huru yekushandiswa kwemaindasitiri.
Nguva yekutumira: Aug-24-2022
