Ntho e tobileng ka ho fetisisa ea li-asynchronous motors ke hore ho na le phapang pakeng tsa lebelo la sebele la motlakase le lebelo la matla a khoheli, ke hore, ho na le ho thella;ha ho bapisoa le likarolo tse ling tsa ts'ebetso ea enjene, slip ea enjene ke eona e fumanehang habonolo, 'me mosebelisi ofe kapa ofe a ka sebelisa mokhoa o bonolo Ts'ebetso e baloa.
Polelong ea litekanyetso tsa ts'ebetso ea enjene, sekhahla sa ho thella ke paramente ea ts'ebetso e batlang e le ea bohlokoa, e khetholloang ke peresente ea ho thella ho amanang le lebelo la synchronous.ea.Mohlala, motlakase oa 2-pole motor e nang le sekhahla sa ho thella sa 1.8% le enjene ea lipalo tse 12 li na le phapang e kholo ho thellang ha 'nete.Ha sekhahla sa ho thella se lekana le 1.8%, ho thella ha 2-pole power frequency asynchronous motor ke 3000 × 1.8% = 54 rpm, ho thella ha 12-pole power frequency motor ke 500 × 1.8% = 9 rpm.Ka mokhoa o ts'oanang, bakeng sa li-motor tse nang le lipalo tse fapaneng tse nang le slip e ts'oanang, litekanyo tse lumellanang tsa slip le tsona li tla fapana haholo.
Ho tsoa tlhahlobong ea papiso ea mehopolo ea ho thella le ho thella, ho thella ke boleng bo felletseng, ke hore, phapang e felletseng lipakeng tsa lebelo la 'nete le lebelo la matla a khoheli a lumellanang, mme yuniti ke rev/min;athe ho thella ke phapang pakeng tsa ho thella le lebelo la ho thella .peresente.
Ka hona, lebelo la synchronous le lebelo la 'nete la enjene li lokela ho tsejoa ha ho baloa slip.Palo ea lebelo la synchronous ea enjene e ipapisitse le foromo n = 60f / p (moo f e leng lebelo le lekantsoeng la enjene, 'me p ke palo ea lipara tsa palo ea enjene);ka hona, lebelo la synchronous le tsamaellanang le maqhubu a matla a 2, 4, 6, 8, 10 le 12 Lebelo ke 3000, 1500, 1000, 750, 600 le 500 rpm.
Lebelo la 'nete la enjene le ka bonoa ke tachometer, hape e baloa ho latela palo ea liphetoho ka motsotso.Lebelo la 'nete la koloi ea asynchronous le tlase ho lebelo la synchronous,' me phapang pakeng tsa lebelo la synchronous le lebelo la sebele ke ho thella ha motlakase oa asynchronous, 'me unit ke rev/min.
Ho na le mefuta e mengata ea li-tachometer, 'me li-tachometers tsa elektroniki ke mohopolo o batlang o le teng: lisebelisoa tsa ho lekanya lebelo la potoloho tse etselitsoeng le ho etsoa ho ipapisitse le theknoloji ea sejoale-joale ea elektroniki ka kakaretso li na le li-sensor le lipontšo, 'me tse ling li na le tlhahiso le taolo ea matšoao.Ho fapana le theknoloji e tloaelehileng ea ho lekanya lebelo la photoelectric, tachometer ea inductive ha e hloke ho kenya mochine oa photoelectric, ha ho na motlakase oa motlakase, 'me o ka sebelisoa indastering ea pompo ea metsi le liindasteri tse ling moo ho leng thata ho kenya lisebelisoa.
Nako ea poso: Mar-30-2023