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Kutheni le nto ukhuseleko lokwahluka lusetyenziswa kwiinjini ezinkulu ezinevoltage ephezulu?

2024-07-26

Xa kuthelekiswa neenjini ezincinci kunye neziphakathi, iimotor eziphezulu ze-voltage ziyabiza, kwaye iimeko zabo zokusetyenziswa zibaluleke kakhulu kwaye zikhethekileyo. Nokuba kukulahlwa komzimba wemoto emva kwempazamo okanye ezinye iingxaki ezivela kwisiphoso, kunokuba nzulu kakhulu kunokuba sinokucinga. Ngenxa yesi sizathu, izixhobo zokukhusela ezahlukileyo zisetyenziselwa iimotor eziphezulu ze-voltage ezisetyenziswa kwiimeko ezithile ezikhethekileyo, injongo yazo kukufumana iingxaki ngexesha elifanelekileyo kunye nokuthintela ukuwohloka ngakumbi kweengxaki.

Ukukhuselwa okungafaniyo yindlela yokukhusela esebenzayo kakhulu yokusebenza ngokukhuselekileyo kwezixhobo zombane. Isebenzisa iimpawu zokuvuselela izenzo zokukhusela ngumahluko we-vector phakathi kwegalelo langoku kunye nemveliso yangoku yezixhobo zombane, ukwenza nayiphi na inethiwekhi yombane yezibuko ezimbini, i-generator, i-motor, i-transformer kunye nezinye izixhobo zombane zinezicelo zakudala kakhulu. Ukukhuselwa okungafaniyo kusetyenziswa ngokubanzi kwiinjini ezinkulu ze-voltage. Ngokomzekelo, ii-motor high-voltage ezisetyenziswa kumandla amakhulu omgodi kunye nezixhobo eziphambili zokungenisa umoya kufuneka zixhotywe ngezixhobo zokukhusela ezahlukileyo ukuqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo kwenkqubo kunye nokuphepha ilahleko enkulu yezoqoqosho kunye neengozi zokhuseleko ezibangelwa ukuvalwa okungalindelekanga. I-stator windings yeenjini ezinkulu ze-high-voltage zihlala zithatha uxhulumaniso lweenkwenkwezi, kunye neeterminals ezintathu zokuphuma ngokungagqibekanga. Xa ukukhuselwa kokwahlukana kuqaliswa, i-motor kufuneka ibe ne-6 output terminals. Isixhobo sokukhusela esahlukileyo esisetyenziswe kwi-motor sisebenza ngolu hlobo lulandelayo: qaphela ukuqala kunye nokuphela kwee-currents ze-motor, kwaye uqhathanise isigaba kunye ne-amplitude umehluko phakathi kokuqala kunye nokuphela kwemisinga. Ngaphantsi kweemeko eziqhelekileyo, ukuhlukana kwe-amplitude kunye nesigaba phakathi kokuqala kunye nokuphela kwemisinga ngu-zero, oko kukuthi, i-current flowing in motor ilingana ne-current flowing out of motor; xa impazamo yesiphaluka esifutshane njengesigaba-kwisigaba, i-turn-to-turn okanye emhlabeni iyenzeka ngaphakathi kwi-motor, i-different current iveliswa phakathi kwezi zibini kwaye ifikelele kwixabiso elithile, umsebenzi wokukhusela uyasebenza.