Xa kuthelekiswa neenjini ze-asynchronous, iimotor zemagnethi ezisisigxina zineengenelo ezininzi ezicacileyo. Iimotor ze-synchronous zemagnethi ezisisigxina zineempawu ezininzi ezifana ne-high power factor, isalathisi sokukwazi ukuqhuba kakuhle, ubungakanani obuncinci, ubunzima bokukhanya, ukunyuka kobushushu obuphantsi, njl. Kwangaxeshanye, banokuphucula ngcono umgangatho wegridi yamandla, banike ukudlala ngokupheleleyo kumthamo wegridi yamandla ekhoyo, kwaye ugcine utyalo-mali lwegridi yamandla.
Ukusebenza kunye nothelekiso lwamandla
I-asynchronous motor emsebenzini, i-rotor winding ukuze ifunxe inxalenye yamandla kwi-excitation yegridi, ukwenzela ukuba ukusetyenziswa kwamandla egridi, le nxalenye yamandla ukuya kwinqanaba lokugqibela kwi-rotor ejikelezayo kubushushu obusetyenzisiweyo, ilahleko ibalelwa malunga ne-20-30% yelahleko iyonke yemoto, ekhokelela ngokuthe ngqo ekunciphiseni ukusebenza kakuhle kwemoto. I-Rotor excitation yangoku iguqulelwe kwi-stator winding yi-inductive current, ukwenzela ukuba i-current in the stator winding i-lags emva kombane wegridi, okukhokelela ekunciphiseni kwamandla ombane we-motor.
Ukongeza, i-asynchronous motor kwi-factor factor (= P2 / Pn) <50%, ukusebenza kwayo kakuhle kunye nokusebenza kwamandla okusebenza kuyancipha kakhulu, ngoko ngokubanzi kufuna ukuba isebenze kummandla wezoqoqosho, oko kukuthi, izinga lomthwalo we-75% -100%.
Imagnethi esisigxina ye-synchronous motor kwi-rotor efakwe kwimagnethi esisigxina, umazibuthe osisigxina ukuseka i-rotor magnetic field, ekusebenzeni okuqhelekileyo, i-rotor kunye ne-stator magnetic field synchronous operation, akukho okwangoku okubangelwayo kwi-rotor, akukho lahleko lokumelana ne-rotor, kuphela le nto inokuphucula ukusebenza kakuhle kwe-motor nge-4% ukuya kwi-50%. Kwangaxeshanye, ngenxa yokuba akukho excitation yangoku induction kwi rotor of esisigxina umazibuthe synchronous motor, stator ukujikoza inokuba ngumthwalo kuphela resistive, ukuze amandla factor of motor phantse 1. Permanent umazibuthe synchronous motor kwireyithi yomthwalo> 20%, ukusebenza kwayo kakuhle kunye nokusebenza amandla factor kunye notshintsho oluncinci, kunye nokusebenza kakuhle ngu> 80%.
Ukuqalisa itorque
Ukuqala kwe-asynchronous motor, i-motor iyadingeka ukuba ibe ne-torque enkulu eyaneleyo yokuqala, kodwa nethemba lokuba i-current current ayinkulu kakhulu, ukuze ingavelisi ukuhla kwamandla ombane amaninzi kwigridi kwaye ichaphazele ukusebenza okuqhelekileyo kwezinye iinjini kunye nezixhobo zombane eziqhagamshelwe kwigridi. Ukongeza, xa isiqalo sangoku sisikhulu kakhulu, i-motor ngokwayo iya kuba phantsi kwempembelelo yamandla ombane, ukuba kaninzi iqala, kukho ingozi yokushisa i-windings. Ke ngoko, uyilo lokuqalisa lwe-asynchronous motor luhlala lujongene nengxaki.
Imagnethi esisigxina ye-synchronous motor inokuphinda isetyenziswe kwimowudi yokuqala ye-asynchronous, ngenxa yemagnethi esisigxina ye-synchronous motor yokusebenza okuqhelekileyo kwe-rotor winding ayisebenzi, kuyilo lwenjini yemagnethi esisigxina, ukujikeleza kwe-rotor kunokwenziwa ukuhlangabezana ngokupheleleyo neemfuno ze-torque ephezulu yokuqala, umzekelo, ukuze i-torque yokuphindaphinda isiqalo nge-asynchronous ngamaxesha angcono ukuya kwi-motor 2, 5. izixhobo zamandla, Isombulula ngempumelelo into ethi “amahashe amakhulu atsala imoto encincit” kwizixhobo zombane eziqhelekileyo.
Ukusebenzaukunyuka kobushushu
Njengomsebenzi we-asynchronous motor, i-rotor winding flow flow yangoku, kwaye le yangoku ikwimo yokusetyenziswa kwamandla ashushu, ngoko kwi-rotor winding iya kuvelisa ubushushu obukhulu, ukwenzela ukuba ubushushu bemoto buphakame, obuchaphazela kakhulu ubomi benkonzo yemoto.
Ngokubhekiselele kwi-motor ye-synchronous yemagnethi esisigxina, ngenxa yokusebenza okuphezulu kwemoto yemagnethi esisigxina, akukho lahleko yokuxhathisa kwi-rotor winding, kukho ngaphantsi okanye phantse akukho nto isebenzayo kwi-stator winding, ukwenzela ukuba ukunyuka kobushushu bemoto kuphantsi, nto leyo eyandisa ngcono ubomi benkonzo yemoto.
Impembelelo ekusebenzeni kwegridi
Ngenxa yamandla aphantsi enjini ye-asynchronous motor kufuneka ifunxe isixa esikhulu sangoku esisebenzayo kwigridi yamandla, ngaloo ndlela ibangela isixa esikhulu sangoku esisebenzayo kwigridi yamandla, izixhobo zokuhambisa kunye noguqulo kunye nezixhobo zokuvelisa amandla, ngaloo ndlela yenza umgangatho wegridi yamandla ucuthe, nto leyo enganelisi nje umthwalo wegridi yamandla kunye nokuhanjiswa kunye nokuguqulwa kwezixhobo kunye nezixhobo zokuvelisa umbane ngexesha elinye, izixhobo zokuvelisa amandla ngexesha elifanayo izixhobo zothumelo kunye nenguqu kunye nezixhobo zokuvelisa amandla, okukhokelela ekusebenzeni okuphantsi kunye nokuchaphazela igridi yamandla ombane. Ngelo xesha, umbane osebenzayo usebenzisa inxalenye yamandla ombane kwigridi yamandla, izixhobo zokuhambisa kunye nenguqu kunye nezixhobo zokuvelisa amandla, okubangela ukuba igridi yamandla ingasebenzi kakuhle kwaye ichaphazela ukusetyenziswa ngokufanelekileyo kwamandla ombane. Ngokufanayo, ngenxa yokusebenza okuphantsi kweenjini ze-asynchronous, ukuhlangabezana nemfuno yamandla aphumayo, kuyimfuneko ukufunxa amandla amaninzi kwigridi, ngaloo ndlela ukwandisa ukulahlekelwa kwamandla ombane kunye nokunyusa umthwalo kwigridi.
Kwaye kwi-injini ye-synchronous yemagnethi esisigxina, i-rotor yayo ngaphandle kwe-excitation yangoku, i-motor power factor iphezulu, engaphuculi kuphela umgangatho wegridi, ukuze igridi ingasafuni ukufaka izixhobo zembuyekezo yamandla asebenzayo. Ngaphezu koko, ngenxa yokusebenza okuphezulu kwe-magnetic synchronous motor esisigxina, ikwagcina amandla egridi
I-Anhui Mingteng eSisigxina-oomatshini bakaMagnetic & neZixhobo zoMbane Co., Ltd.yasekwa ngo-2007 kwaye ngomnye wabavelisi bokuqala e-China ukuphuhlisa nokuvelisa iinjini zemagnethi ezisisigxina. Ine-R&D ebanzi, imveliso, intengiso, kunye neqela emva kokuthengisa. Le nkampani isoloko ibambelela kuphuhliso oluzimeleyo kwaye ibambelela kumgaqo-nkqubo weshishini "wemveliso yodidi lokuqala, ulawulo lodidi lokuqala, iinkonzo zodidi lokuqala, kunye neempawu zodidi lokuqala", ukuthungela inkqubo yemagnethi ekrelekrele esisigxina yokonga umbane wokonga izisombululo zizonke zabasebenzisi, kunye nokuzama ukuba yinkokeli kunye neseta esemgangathweni kwishishini leenjini elinqabileyo lomhlaba laseTshayina.
Ixesha lokuposa: Dec-11-2023