Amandla emoto kufanele akhethwe ngokwamandla adingwa umshini wokukhiqiza ukwenza injini isebenze ngaphansi komthwalo olinganiselwe ngangokunokwenzeka. Amaphuzu amabili alandelayo kufanele anakwe lapho ukhetha:
① Uma amandla emoto emancane kakhulu, kuzovela "ihhashi elincane elidonsa inqola", okuzoholela ekulayisheni isikhathi eside kwenjini, okubangele ukulimala kwayo ngenxa yokushisisa, ngisho nenjini iyashiswa.
② Uma amandla emoto emakhulu kakhulu, kuzovela "ihhashi elikhulu elidonsa imoto encane". Amandla omshini okukhiphayo awakwazi ukusetshenziswa ngokugcwele, futhi isici samandla nokusebenza kahle akuphezulu, okungeyona nje into engathandeki kubasebenzisi kanye negridi yamandla. Futhi kuwukumosha amandla.
Ukukhetha amandla enjini ngendlela efanele, ukubala okulandelayo noma ukuqhathanisa kufanele kwenziwe:
P = f * V / 1000 (P = amandla abaliwe kW, f = amandla okudonsa adingekayo N, isivinini esiwumugqa womshini osebenzayo uM / s)
Ngemodi yokusebenza eqhubekayo yokulayisha, amandla emoto adingekayo angabalwa ngokuya ngale fomula elandelayo:
I-P1(kw):P=P/n1n2
Lapho i-N1 ingukusebenza kahle kwemishini yokukhiqiza; I-N2 ukusebenza kahle kwenjini, okungukuthi, ukusebenza kahle kokudlulisela.
Amandla P1 abalwe ngefomula engenhla awafani namandla omkhiqizo. Ngakho-ke, amandla alinganisiwe wemoto ekhethiwe kufanele alingane noma abe mkhulu kancane kunamandla abaliwe.
Ngaphezu kwalokho, indlela evame ukusetshenziswa kakhulu ukukhetha amandla. Okubizwa ngokuthi isifaniso. Iqhathaniswa namandla enjini esetshenziswa emishinini yokukhiqiza efanayo.
Indlela eqondile yilena: yazi ukuthi injini enamandla aphakeme kangakanani esetshenziswa emishinini yokukhiqiza efanayo yale yunithi noma amanye amayunithi aseduze, bese ukhetha injini enamandla afanayo ukuze ihlolwe. Inhloso yokugunyazwa wukuqinisekisa ukuthi injini ekhethiwe iyahambisana yini nemishini yokukhiqiza.
Indlela yokuqinisekisa ithi: yenza injini ishayele umshini wokukhiqiza ozosebenza, ulinganise ukusebenza kwemoto nge-ammeter yokuqinisa, futhi uqhathanise umthamo wamanje okaliwe omakwe epulethini lemoto. Uma ukusebenza kwangempela kwe-motor kungahlukanga okwamanje okulinganiselwe kumakwe kulebula, amandla emoto ekhethiwe afanelekile. Uma ukusebenza kwangempela kwe-motor cishe ku-70% ephansi kunamanje okulinganiselwe okukhonjiswe epuleti lokulinganisa, kubonisa ukuthi amandla emoto makhulu kakhulu, futhi injini enamandla aphansi kufanele ishintshwe. Uma ukulinganisa kokusebenza kwemoto kungaphezu kuka-40% ngaphezu kwamanje okulinganiselwe kukhonjiswe epuleti lokulinganisa, kubonisa ukuthi amandla emoto mancane kakhulu, futhi injini enamandla amakhulu kufanele ishintshwe.
Eqinisweni, i-torque (torque) kufanele icatshangelwe. Kukhona amafomula wokubala wamandla emoto kanye netorque.
Okusho ukuthi, t = 9550p / n
Kuphi:
P-amandla, kW;
Ijubane lika-N lemoto, R / min;
T-torque, nm.
I-torque ephumayo yemoto kufanele ibe nkulu kunetorque edingwa umshini osebenzayo, ngokuvamile odinga isici sokuphepha.
Isikhathi sokuthumela: Oct-29-2020