Jenareta oscillation uye kunze kwedanho

Munguva yekujairika kushanda kweiyo synchronous jenareta, iyo stator rinobva danda uye rotor rinobva danda rinogona kutaridzika seyakavharwa nemagineti simba mutsetse kubatana. Kana mutoro ukawedzera, kona yemagetsi ichawedzera, ndokuti, iro simba remagineti rinowedzeredzwa; Kana mutoro uchinge waderera, simba rekona rinodzikira, ndokuti, iro simba remagineti remasimba richapfupiswa. Kana mutoro uchichinja, nekuda kweiyo inertia yeiyo rotor, iyo simba re rotor simba haizogadzikane nekukosha kutsva, asi ichazungunuka kakawanda kutenderedza kukosha kwakatsiga. Aya mamiriro anonzi kuscillation kweiyo synchronous jenareta.

Kune maviri marudzi eoscillation: imwe ndeyekuti oscillation amplitude iri kuita diki uye diki, uye iyo oscillation yesimba kona inoiswa zvishoma nezvishoma. Chekupedzisira, ino gadzikana pane nyowani nyowani yemagetsi uye ichiri kumhanya zvakatsiga pa synchronous kumhanya, iyo inonzi synchronous oscillation; Imwe ndeyekuti iyo amplitude yekushomeka inova yakakura uye yakakura, uye simba kona inoramba ichiwedzera kudzamara yabva munzvimbo yakagadzikana, izvo zvinoita kuti jenareta ibve padanho, uye jenareta inopinda mukushambadzira, kunonzi asynchronous oscillation.

Phenomenon yejenareta oscillation kana kunze kwedanho

a) Kuratidzwa kweiyo stator ammeter inodarika iyo yakajairwa kukosha uye inofamba nechisimba kumashure nekudzoka. Izvi zvinodaro nekuti iyo angle pakati peiyo yakafanana EMFs yachinja, zvichikonzera musiyano wesimba remagetsi, izvo zvinoita kuti kutenderera kwazvino kuyerera pakati pemagetsi. Nekuda kwekumhanyisa kwerotor kumhanya, iyo inosanganisirwa kona pakati pemagetsi emagetsi dzimwe nguva yakakura uye dzimwe nguva diki, uye torque nesimba zvine dzimwe nguva zvakakura uye dzimwe nguva zvidiki. Naizvozvo, kutenderera kwazvino kune dzimwe nguva kwakakura uye dzimwe nguva kudiki, saka iyo pointer ye stator yazvino inofamba ichidzoka neshure. Uku kutenderera ikozvino pamwe neyepakutanga mutoro zvazvino kungapfuura zvakajairika kukosha.

b) Iyo poindi inoratidza ye stator voltmeter uye mamwe ma voltmeters ebhazi akaderera pane zvakajairwa kukosha uye anozungunuka achidzoka neshure. Izvi zvinodaro nekuti iyo angle pakati pekugona kwekunze kweanogadzira jenareta uye mamwe majenareta ari kuchinja, zvichikonzera kutenderera kwemagetsi. Nekuti iyo yazvino yakakura kupfuura zvakajairwa, iyo voltage kudonha iri zvakare yakakura, zvichikonzera yakaderera voltage.

c) Anoshanda mutoro uye reactive mutoro unofamba zvakanyanya. Nekuti simba rinotumirwa nejenareta mukushambadzira pasina kunze kwedanho rakakura kana diki, uye kana kunze kwedanho, dzimwe nguva rinotumira simba rinoshanda uye dzimwe nguva rinotora simba rinoshanda.


Post nguva: Sep-26-2021