Amandla emoto kufuneka akhethwe ngokwamandla afunwa ngoomatshini bokuvelisa, kwaye uzame ukwenza imoto ibaleke phantsi komthwalo olinganisiweyo.Xa ukhetha, kufuneka ubeke ingqalelo kula manqaku mabini alandelayo:

① Ukuba amandla emoto mancinci kakhulu.Kuya kubakho into ethi "inqwelo encinci yehashe", ebangela ukuba i-motor ilayishwe ixesha elide.Ukugquma kwayo konakaliswe ngenxa yobushushu.Nkqu nemoto yatsha yaphela.

② Ukuba amandla emoto makhulu kakhulu.Kuya kubakho into "yenqwelo enkulu etsalwa ngamahashe".Imveliso yayo yamandla omatshini ayinakusetyenziswa ngokupheleleyo, kwaye amandla ombane kunye nokusebenza kakuhle akuphezulu, okungeyona into engathandekiyo kubasebenzisi kunye negridi yamandla.Kwaye kuya kubangela inkcitho yombane.

Eyona isetyenziswa ngokuqhelekileyo yindlela yokulinganisa ukukhetha amandla emoto.Into ebizwa ngokuba sisifaniso.Ithelekiswa namandla emoto yombane esetyenziswa koomatshini bokuvelisa abafanayo.

Indlela ethile yile: ukuqonda imotor yamandla esetyenziswa ngoomatshini bemveliso abafanayo bale yunithi okanye ezinye iiyunithi ezikufutshane, kwaye emva koko ukhethe injini yamandla afanayo ukuqhuba uvavanyo.Injongo yovavanyo lokuqhuba kukuqinisekisa ukuba imoto ekhethiweyo ihambelana nomatshini wokuvelisa.

Indlela yokuqinisekisa yile: yenza i-motor iqhube oomatshini bokuvelisa ukuba baqhube, linganisa ukusebenza kwangoku kwemoto nge-ammeter ebambezelayo, kwaye uthelekise umlindi wangoku kunye nomlinganiselo okhoyo ophawulwe kwi-nameplate yemoto.Ukuba umsebenzi wangoku wokwenene womatshini wamandla ombane awuhlukanga kakhulu kwi-rerated current ephawulwe kwi-spleen.Ibonisa ukuba amandla emoto ekhethiweyo afanelekile.Ukuba owona msebenzi ukhoyo wemoto ungaphantsi kwama-70% kunomlinganiselo okhoyo ophawulwe kwi-nameplate.Ibonisa ukuba amandla emoto makhulu kakhulu, kwaye i-motor enamandla amancinci kufuneka itshintshwe.Ukuba umsinga osebenzayo wemoto ungaphezulu kwe-40% enkulu kunomjelo olinganisiweyo ophawulwe kwi-nameplate.Ibonisa ukuba amandla emoto mancinci kakhulu, kwaye i-motor enamandla amakhulu kufuneka itshintshwe.

Ifanelekile ukuqhubela phambili ngokubambisana kobudlelwane phakathi kwamandla alinganisiweyo, isantya esilinganiselweyo kunye ne-torque elinganisiweyo ye-servo motor, kodwa ixabiso lokwenyani elilinganiselweyo kufuneka lisekelwe kumlinganiselo wangempela.Ngenxa yengxaki yokuguqulwa kwamandla, amaxabiso asisiseko ayafana, kwaye kuya kubakho ukuhla okufihlakeleyo.

Ngezizathu zolwakhiwo, iinjini zeDC zineziphene zilandelayo:

(1) Iibrashi kunye nee-commutators kufuneka zitshintshwe rhoqo, ukulungiswa kunzima, kwaye ubomi benkonzo bufutshane;(2) Ngenxa yeentlantsi zokutshintsha kwemoto ye-DC, kunzima ukusetyenzwa kwiindawo ezirhabaxa ezineegesi ezinokutsha neziqhumayo;(3) Ulwakhiwo lunzima, kunzima ukwenza imoto yeDC enomthamo omkhulu, isantya esiphezulu kunye nombane ophezulu.

Xa kuthelekiswa neenjini ze-DC, iinjini ze-AC zinezi zibonelelo zilandelayo:

(1)Isakhiwo esiqinileyo, ukusebenza okuthembekileyo, ukugcinwa lula;(2) Akukho ntlantsi yokutshintsha, kwaye inokusetyenziswa kwiindawo ezirhabaxa ezineegesi ezinokutsha neziqhumayo;(3) Kulula ukwenza umthamo omkhulu, i-high-speed kunye ne-high-voltage ye-AC motor.

Ngoko ke, ixesha elide, abantu banethemba lokutshintsha i-motor ye-DC kunye ne-speed-adjustable AC motor kwizihlandlo ezininzi, kwaye uphando oluninzi kunye nomsebenzi wophuhliso lwenziwe kulawulo lwesantya se-AC motor.Nangona kunjalo, kude kube ngo-1970, uphando kunye nophuhliso lwenkqubo yokulawula isantya se-AC ayikwazanga ukufumana iziphumo ezanelisayo ngokwenene, ezithintela ukuthandwa kunye nokusetyenziswa kwenkqubo yokulawula isantya se-AC.Kwakhona kungenxa yesi sizathu ukuba ii-baffles kunye neevalvu kufuneka zisetyenziswe ukulungisa isantya somoya kunye nokuhamba kwiinkqubo zokuqhuba umbane ezifana neefeni kunye neepompo zamanzi ezisetyenziswa ngokubanzi kwimveliso yezoshishino kwaye zifuna ukulawula isantya.Le ndlela ayigcini nje ukwandisa ubunzima benkqubo, kodwa iphinda ibangele amandla achithwayo.

NguJessica