Ubuchwepheshe be-Inguant | Imboni entsha | Jan 15.2025
Ezisekelweni zezimboni nezentengiselwano, kusetshenziswa ama-motors ashelelayo kakhulu ngenxa yokusebenza kwawo okuphezulu namandla aphezulu okuphuma. Kodwa-ke, ukubala i-rotor Voltage yemoto ye-Slip-Ring akuyona umsebenzi olula, esidinga ukuthi sikuqonde okujulile kwemigomo namapharamitha ahlobene ngemuva kwawo. Le ndatshana izokwethula ngokuningiliziwe ukuthi ungalibala kanjani ngokunembile i-rotor voltage ye-slip-ring motor ukukusiza uthuthukise ukusebenza kwezimoto kanye nokusebenza kahle.
1. Izinyathelo eziyisisekelo zokubala i-Rotor Voltage
(I) nginqume i-voltage ekalwe ngemoto
I-voltage evunyelwe ye-motor yi-voltage ejwayelekile yokuklanywa kwayo nokusebenza, okungatholakala kalula ekucacisweni kwezobuchwepheshe kwe-motor. Leli nani liyisisekelo sokubala okulandelayo, njengesisekelo sesakhiwo esiphakeme, ukuhlinzeka ngemininingwane eyisisekelo yenqubo yokubala yonke. Isibonelo, imoto ye-slip-ring kudivayisi yezimboni ine-voltage ekalwe ka-380 v imakwe ngokucacile encwadinini yayo yezobuchwepheshe, okuyiphuzu lokuqala ukubalwa kwethu.
. Ukumelana ne-rotor kungenye yezinto ezibalulekile ezithinta i-rotor voltage, futhi ukunemba kwenani layo kuhlobene ngqo nokwethenjwa komphumela wokugcina wokubala. Ukucabanga ukuthi ukumelana kwe-rotor sakulinganisa ukuthi yi-0.4ω, le datha izodlala indima enkulu ekubaleni okulandelayo.
. Ukuthatha ama-voltage alinganiselwe ka-380 v kanye nokumelana ne-rotor ka-0.4 kushiwo ngenhla njengesibonelo, i-rotor voltage = 380 v v × 0.4 = 152 V.
2. Ukuhlaziywa okujulile kwefomula ye-rotor voltage formula
(I) ukwakheka nokubaluleka kwefomula
Ifomula ye-Rotor Voltage Formula iyizwi lezibalo elibheka izinto eziningi. Kuthathwe kususelwa ezimisweni eziyisisekelo ze-electromagnetism. Phakathi kwazo, voltage voltage, slip kanye nezimpawu ze-motor windings yizici eziphambili ezinethonya. Ukuqonda okunembile kwale formula kuvumela onjiniyela ukuthi babikezele ngokunembile ukusebenza okusebenzayo kwemoto ngaphansi kwezimo zomthwalo ezihlukile, njengokuthi ube nesihluthulelo sokuvula imfihlakalo yokusebenza kwezimoto.
(Ii) Ukusulwa Kwefomula kanye nohlelo lokusebenza olusebenzayo olususelwa kwimigomo ye-Electromagnetics
Inqubo yokususelwa kwefomula ye-rotor voltage ilukhuni futhi iyinkimbinkimbi. Kukhombisa ubudlelwano obusondelene phakathi kwensimu kazibuthe kanye namanje ngaphakathi kwemoto, futhi kunokubaluleka okungenakufinyeleleka emkhakheni wokulawulwa kwezimoto kanye nokwakhiwa. Kuzinhlelo zokusebenza ezisebenzayo, ngosizo lweFortage Calculator Calculator Calculator yokubala, onjiniyela kuphela abadinga ukufaka amapharamitha adingekayo anjengemvamisa yamandla, inombolo yezindawo zezimoto bese ushelela ukuthola ngokushesha inani elifanele le-voltage edingekayo ezimweni ezisebenzayo zokusebenza. Lokhu akugcini nje ngokuthuthukisa ukusebenza kahle komsebenzi, kepha futhi kuqinisekisa ukuthi imoto isebenza kakhulu ngaphakathi kobubanzi bokusebenza kahle.
3. Ukubalwa kwamanje kwe-rotor nokusebenza kwezimoto
(I) incazelo eningiliziwe yefomula yamanje yamanje
Ifomula yile, = vt / zt, lapho i-VT i-vortage ne-ZT ingukuphazamiseka kwe-rotor. Ukubalwa kwamandla kaRotor Voltage kufaka phakathi izinto ezifana neStator Voltage futhi zishelele, okudinga ukuthi ochwepheshe kagesi bakwazi kahle futhi basebenzise lawa mafomula kahle ukuze bahlaziye kahle ukusebenza kwezimoto.
(Ii) ukubaluleka kokubala i-rotor yamanje
Ukubala i-rotor yamanje kubalulekile kunjiniyela ngezindlela eziningi. Ngakolunye uhlangothi, kusiza ukuhlola umthamo womthwalo kagesi wemoto, okuvumela onjiniyela ukuthi babikezele ngokunembile izinguquko zokuziphatha zemoto ngaphansi kwama-vortages ahlukile. Isibonelo, ngesikhathi senqubo yokuqalisa motor, ngokubheka ushintsho ku-rotor yamanje, onjiniyela banganquma ukuthi ngabe imoto iqala ngokujwayelekile nokuthi ngabe kunezinkinga ezifana kakhulu. Ngakolunye uhlangothi, ngokubheka futhi ukuhlaziya i-rotor yamanje, kungenzeka ukufeza ukulawula okwenziwe kahle kwemoto, ngempumelelo ukuvikela izinkinga ezingaba khona njengezimoto ezinjengezimoto zemoto kanye nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto kanye nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqizwa kwemoto nokwenza ngcono ukukhiqizwa kwemoto nokwenza ngcono ukukhiqiza kwemoto kanye nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza kwemoto nokwenza ngcono ukukhiqiza imoto kanye nokwenza ngcono ukusebenza kwemoto .
4. Indima esemqoka yokubalwa kwe-rotor voltage
(I) Ukuchazwa nokubalwa kwesiliphu
Isiliphu sichazwa njengomehluko wejubane phakathi kwempumu kazibuthe ejikelezayo kanye ne-rotor, evezwe njengephesenti lesivinini esivumelanayoIfomula yi-S = (N8-NT) / NS, lapho s is slip, N8 isivinini esivumelanayo, ne-NT isivinini se-rotor.
Isibonelo, esimweni esithile sokusebenza kwezimoto, uma ijubane lokuvumelanisa lingu-1500 RPM nejubane le-rotor lingu-1440 RPM, isiliphuS = (1500-1440) /1500=0.04, ngakho-ke 4%.
(Ii) ubudlelwano phakathi kokusebenza kwe-slip ne-rotor
Kunobudlelwano obuseduze bangaphakathi phakathi kokusebenza kwe-slip ne-rotor. Imvamisa, i-rotor idinga inani elithile le-slip ukukhiqiza i-torque futhi ifinyelele ukusebenza okujwayelekile kwemoto. Kodwa-ke, isiliphu esiphezulu kakhulu sizoholela ekulahlekelweni kokuphikiswa nokuncishiswa kwemishini, okuzothinta kakhulu ukusebenza kwemoto. Ngokuphambene nalokho, isiliphu esiphansi kakhulu kungenza imoto icishe icishe ibe sembuthanweni ovumelanayo, kepha izokwenza buthaka amandla okulawula ama-motor kanye ne-torque avevet Aut. Ngakho-ke, kwinqubo yokuklanywa kwezimoto kanye nokusebenza, ukubalwa okunembile kokushelelayo kanye nokulungiswa okunengqondo kwamapharamitha ahlobene kubalulekile ukuze usebenzise ngokugcwele ifomula ye-rotor voltage futhi uqinisekise ukusebenza kwemoto ngaphansi kwemithwalo ehlukene.
V. Inqubo yokuthonya yokumelana ne-rotor ekusebenzeni kahle kwezimoto
(I) uhlobo nethonya lokumelana ne-rotor
Ukumelana ne-rotor kubhekisele ekumelaneni kwesifunda se-rotor ku-flow yamanje. Inani layo linomthelela omkhulu kwi-torque yokuqala, ukulawulwa kwesivinini kanye nokusebenza kahle kwemoto. Ukumelana nokuphikiswa okuphezulu kusiza ukuthuthukisa i-torque yokuqala yemoto futhi kunikeze imoto ukuthi iqale kahle ngaphansi kwemithwalo esindayo. Kodwa-ke, ngesikhathi sokusebenza okujwayelekile kwemoto, ukumelana ngokweqile kwe-rotor kuzoholela ekulahlekelweni kwamandla okwengeziwe, ngaleyo ndlela kunciphisa ukusebenza kahle kwemoto.
(Ii) ifomula ye-rotor yokumelana ne-fasueffosnosis application
Ifomula yokumelana ne-rotor yokumelana (okuvame ukuvezwa njenge-RT) ibheka izici ezinjengezakhiwo ezibonakalayo zezinto ze-rotor, i-rometry kanye nokushisa. Ukubalwa okunembile kokuphikiswa kwe-rotor kubalulekile ukusebenzisa ifomula ye-rotor voltage. Ensimini yokuxilongwa kwezimoto kanye nokugcinwa kokuvimbela, ngokubheka ushintsho ekumelaneni ne-rotor, izinkinga ezingaba khona njengokugqoka okungalingani, umjikelezo omfushane noma ngokweqile kungatholakala ngesikhathi esifanele. Isibonelo, uma ukumelana ne-rotor kutholakala ukukhulisa ngokuzungu, kungasho ukuthi kukhona umjikelezo ofushane wendawo noma othintana naye ompofu ku-rotor winding. Abasebenzi bezokugcina bangabe bethatha izindlela zokugcina eziqondisiwe ukuze bavikele ngempumelelo ukwenzeka kwezimoto, bandise impilo yemoto yemoto, futhi baqinisekise ukuqhubeka nokuqina.
VI. Izibonelo zokubala namakhono wohlelo lokusebenza ezimweni zangempela
(I) Isibonelo sangempela sokubala
Ake sithi kukhona imoto etholwa nge-vortage enomthambeka weStator ka-440 v, ukumelana rotor ka-0.35ω, kanye nesiliphu se-0.03. Okokuqala, ngokusho kwe-Rotor Voltage formula VT = s * vs, i-rotor voltage vt = 0.03 * 440 = 13.2 v ikwazi ukutholwa. Ngemuva kwalokho, usebenzisa i-rotor yamanje yefomula = vt / zt (ecabanga ukuthi i-rotor impedance ZT ingu-0.5ω), i-rotor yamanje it = 13.2 A ibalwa.
(Ii) amakhono okufaka isicelo kanye nokuphepha ezinhlelweni ezisebenzayo
Ukuze kuqinisekiswe ukunemba kanye nokwethenjwa kwemiphumela yokubala, amaphuzu alandelayo kufanele aqashelwe: Okokuqala, sebenzisa amathuluzi wokulinganisa aphezulu ukuze uthole amapharamitha wezimoto. Isibonelo, lapho ulinganisa ukumelana ne-rotor nge-ohmmeter, ithuluzi elinesinqumo esiphakeme nephutha elincane kufanele likhethwe; second, when inputting parameters for calculation, ensure that the units of the parameters are unified to avoid deviations in the calculation results due to unit conversion errors; Okwesithathu, ukuhlaziya ngokuhambisana nemvelo yangempela yokusebenza kanye nezimo zokusebenza zemoto, ngokwesibonelo, kucatshangelwa ithonya lokushisa kokuphikiswa kwe-rotor, endaweni yokushisa ephezulu, futhi imiphumela yokubala idinga ukulungiswa ngokufanelekile .
Ngokusebenzisa okungenhla okuphelele nangokujulile, ngikholwa ukuthi unokuqonda kahle indlela yokubala ye-slip-ring motor rotor voltage nokubaluleka kwayo ekusebenzeni kwezimoto. Ekusebenzeni kwangempela, ngokulandela izinyathelo zokubalwa futhi ucubungule ngokugcwele ithonya lezinto ezahlukahlukene ezizokusiza ukuthi unikeze ukudlala okugcwele ezinhlekeleleni zokusebenza kwama-motors ama-motor, ngcono ukukhiqizwa kwezimboni futhi kunciphise izindleko zokulungisa izimboni.
Yini okufanele inakeke lapho kubalwa i-rotor voltage yama-slip-ring motors?
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Isikhathi sePosi: Jan-15-2025