Umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor

Umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor. Umshini wokupakisha oqhubekayo wommbila we-dc motor unesiqalo esihle, ukusebenza kwamabhuleki nokulawula isivinini, ukulawula okulula, ngakho-ke, isidingo sangaphambi kwesikhathi sokulawula isivinini esingenasinyathelo sezikhathi sisebenzisa isilawuli sesivinini se-dc motor. I-Corn continuous dc motor ine-vacuum yochungechungeumshini wokupakisha, shunt, isasasa elihlanganisiwe naye. Bese wethula umshini wokupakisha we-vacuum oqhubekayo we-dc motor start.



1, isizathu kanye nomgomo we-dc motor armature resistance iqala

umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor. Umshini wokupakisha oqhubekayo wommbila wamanje we-dc motor uqalwa ngokuqondile mkhulu kakhulu, imvamisa u-10 - ukufinyelela okwamanje okaliwe. Izikhathi ezingu-20, khiqiza i-torque yokuqala enkulu kakhulu, ilungele ukuqala kwemoto, kodwa i-torque eyeqile kulula ukulimaza ibhokisi likagesi le-motor winding kanye ne-commutator, ngakho-ke, i-automatic resistor ochungechungeni ene-armature inganciphisa ukuqala kwamanje.

ngaphezu kwalokho, umshini wokupakisha we-vacuum oqhubekayo wommbila ujabulisa ngokwehlukana kwe-dc motor kubawinile kazibuthe obuthaka zero kazibuthe, ungakhiqiza nokunye. Isivinini & kuyo yonke; I-Phenomenon, ngakho-ke i-armature ngaphambi kokufinyelela kukagesi kumjikelezo wokuvusa we-voltage evuselelayo, ukuvikelwa kochungechunge lokumelana ngesikhathi esifanayo. Ngakho-ke isilawuli sokuqala se-dc motor sisekelwe ekuphikisweni kochungechunge kanye nomklamo wokuvikela kazibuthe obuthakathaka.

2, indlela eyodwa yokulawula inqubo yokumelana ne-dc motor armature

umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor. Umshini wokupakisha oqhubekayo wommbila we-dc motor armature resistance resistance ingaphezulu, kunesimiso sesivinini esizenzakalelayo, isimiso sokuqala nesikhathi samanje, okulandelayo kuzokwethula ngokulandelana.



1, isimiso isivinini isiqalo

umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor. Umshini wokupakisha we-vacuum oqhubekayo wommbila we-dc motor armature ukumelana nesekhethi yokuqala yokuqala. Okokuqala vala isishintshi samandla i-QS1, ugesi wesekethe othokozisayo, lapho inkinobho ye-SB2, ugesi wekhoyili ye-contactor KM, ukuzikhiya kwe-KM1, abathintwayo abavamise ukuvuleka bavaliwe, oxhumana nabo abavamise ukuvaleka bayanqamuka, i-armature current, ngenxa yenjini ekuqaleni kwesivinini sokuqala. iphansi, i-speed relay iphukile konke, ngakho-ke i-resistor yochungechunge i-R1, i-R2 ne-R31 lapho isivinini sikhuphuka siye kwinani elithile, i-Speed ​​relay KS1 ngokuvamile oxhumana nabo abavulekile bayavalwa, ukumelana nochungechunge ebhokisini likagesi kuyancipha, ukumelana nokuphela kwe-R2 kanye nentambo engu-R3 ebhokisini likagesi, njengoba ijubane lemoto liqhubeka nokukhuphuka, i-speed relay KS2 ngokuvamile evulekile othintana nabo futhi i-KS3 ngokuvamile evulekile oxhumana nabo ivaliwe, uchungechunge olunokumelana ne-armature yi-motor iqala ngokuphelele kusukela kumjikelezo omfushane.

lapho umshini wokupakisha we-vacuum oqhubekayo wommbila, isifunda esivusa amadlingozi samandla okuhluleka kwe-electromotive singeniswa kukhoyili, i-MD emazombezombe, ukumelana kwe-R4 kanye nesekethe yokukhishwa kwe-diode VD, ukuvikelwa, i-VD futhi ibizwa ngokuthi i-stream diode.

2, isimiso sokuqala samanje

umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor. Ukugeleza okuqhubekayo kommbila okupakishwa kwe-vacuum komshini kanye nomgomo kagesi we-dc motor armature resistance yesekethe yokuqala yokuqala. Ivale inkinobho yamandla i-Qs1, bese ucindezela inkinobho yokuqala SB2, ikhoyili ye-KT edluliselwe isikhathi kanye ne-KM yekhoyili eya kugesi ngesikhathi esifanayo, i-KMI ivamise ukuvula othintana nabo be-self-locking, uchungechunge olunokumelana ne-armature isiqalo se-motor, ngesikhathi esifanayo dlulisa ugesi wekhoyili we-KA, i-KA ngokuvamile ivaliwe othintana nabo banqamule, yenza ikhoyili ye-KM2 ingakwazi ugesi, lapho isivinini sikhuphuka siye kwisivinini esithile semoto, ukwehla kwamanje kwe-armature, amandla ekhoyili e-KA akhululwa, ngokuvamile ukuvalwa kokuxhumana okuvaliwe, ugesi wekhoyili we-KM2, oxhumana nabo ngokuvamile abavulekile bavaliwe i-KM2, uchungechunge olunokumelana nezikhali lwalumfushane, injini inyakaza ngokugcwele. I-relay yesikhathi isetshenziswa lapho isikhathi, i-KT ngokuvamile evula abathintwayo inqamuka, iqinisekisa ukuthi ikhoyili ye-KM2 ngeke igezi, futhi ibambezeleka ngemva kwesikhathi esithile, ngokuvamile ivula othintana nabo abavaliwe ukuze ikhoyili ye-KT, KM2 ilungiswe.



3, ngomgomo wokucushwa

umshini wokupakisha we-vacuum oqhubekayo wesistimu yokulawula kagesi ye-dc motor. Umshini wokupakisha we-vacuum oqhubekayo wesimiso sesikhathi sokuphikiswa kwe-dc motor armature yendlela eyodwa yokuqala. Vala iswishi samandla i-QS1 kuqala, bese ucindezela inkinobho yokuqala SB2, ikhoyili kagesi yokuthinta i-KM1, ngokuvamile evula othintana nabo be-KM1 yokuzikhiya, uchungechunge olunokumelana ne-motor armature engu-R1 no-R2, ugesi wekhoyili odluliselwe isikhathi we-KT1, ukubambezeleka ngemva kwesikhathi esithile. isikhathi, i-KT1 ivamise ukuvuleka othintana nabo, idlulisele ugesi wekhoyili we-KA1, othintana nabo abavame ukuvuleka bavaliwe, i-resistor R1 ingaphansi, ugesi wekhoyili we-KT2, ngesikhathi esifanayo ukubambezeleka ngemva kwesikhathi esithile, i-KT2 ivamise ukuvula oxhumana nabo bevaliwe, ugesi wekhoyili we-KA2, othintana nabo ngokuvamile abavulekile bavaliwe, ukumelana nengono ye-R2, injini inyakaza ngokugcwele.
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