ozi

Ahịrị oghere ndọta nke eriri igwe na-emepụta enweghị ike isi na eriri igwe nke abụọ gafere, yabụ inductance nke na-emepụta oghere magnetik ka a na-akpọ leakage inductance. Na-ezo aka n'akụkụ nke magnetik flux nke na-efunahụ n'oge usoro njikọ nke ndị mbụ na nke abụọ transformers.
Nkọwa nke inductance leakage, ihe na-akpata ntanye ntanye, mmebi nke ntanye ntanye, ọtụtụ ihe na-emetụta ntanye ntanye, ụzọ ndị bụ isi iji belata ntanye ntanye, nha nke ntanye ntanye, ọdịiche dị n'etiti ntanye ntanye na ntanye magnetik.
Nkọwa Inductance Leakage
Inductance ntapu bụ akụkụ nke mgbagharị magnetik nke na-efunahụ n'oge usoro njikọ nke isi na nke abụọ nke moto. Nhapu inductance nke transformer kwesịrị ịbụ na ahịrị ndọta nke ike ikuku na-emepụta enweghị ike isi na eriri igwe nke abụọ gafere, ya mere a na-akpọ inductance nke na-emepụta ntapu magnetik na-akpọ leakage inductance.
Ihe kpatara ntapu inductance
Inductance ntapu na-eme n'ihi na ụfọdụ n'ime isi (secondary) flux adịghị ejikọta na nke abụọ (isi) site na isi, ma na-alaghachi na nke mbụ (secondary) site na mmechi ikuku. Nrụgharị nke waya bụ ihe dị ka ugboro 109 nke ikuku, ebe ikike nke ferrite isi ihe eji eme ihe na transformers bụ ihe dị ka ugboro 104 nke ikuku. Ya mere, mgbe ndọta magnetik na-agafe na sekit magnetik nke ferrite core kpụrụ, akụkụ ya ga-adaba n'ikuku, na-eme ka sekit magnetik mechiri emechi na ikuku, na-ebute nkwụsị nke magnet. Na ka oge ọrụ na-abawanye, ikike nke ferrite isi ihe eji eme ihe na-ebelata. Ya mere, n'ogo dị elu, ihe a na-eme ka ọ pụta ìhè.
Ihe ize ndụ nke inductance leakage
Inductance ntanye bụ ihe dị mkpa na-egosi mgbanwe mgbanwe mgbanwe, nke nwere mmetụta dị ukwuu na ihe ngosi arụmọrụ nke ịgbanye ọkụ ọkụ. Ịdị adị nke inductance leakage ga-emepụta ike electromotive azụ mgbe agbanyụrụ ngwaọrụ ngbanwe, nke dị mfe iji mee ka nkwụsịtụ nke ngwaọrụ mgbanwe; leakage inductance nwekwara ike jikọta ya na ikesa nkesa na sekit na ikesa ikesa nke igwe ihe ntụgharị na-etolite sekit oscillation, nke na-eme ka sekit oscillate ma na-egbukepụ ike electromagnetic apụta, na-eme ka nnyonye anya electromagnetic.
Ọtụtụ ihe na-emetụta inductance leakage
Maka igwe ngbanwe edobere nke emerelarị, inductance nwere njikọ na ihe ndị a: K: ọnụọgụ winding, nke dabara na inductance leakage. Maka obere windings nke isi na nke abụọ, were 3. Ọ bụrụ na ikuku nke abụọ na winding bụ isi na-agbanwe agbanwe Mgbe ahụ, were 0.85, ọ bụ ya mere a na-atụ aro ka usoro ikuku Sanwichi, inductance na-adaba nke ukwuu, eleghị anya ihe na-erughị 1/3 nke. mbụ. Lmt: Nkezi ogologo nke ọ bụla ntụgharị nke dum winding na skeleton Ya mere, transformer na-emepụta mmasị ịhọrọ a isi na ogologo isi. Ka ikuku na-ekuwanye ibu, ka inductance na-agbapụta na-adị ntakịrị. Ọ bara ezigbo uru iji belata inductance ntapu site na ịchịkwa ọnụ ọgụgụ ntụgharị nke ikuku na opekempe. Mmetụta nke inductance bụ njikọ anọ. Nx: ọnụ ọgụgụ nke ntụgharị nke winding W: obosara winding Tins: ọkpụrụkpụ nke mkpuchi mkpuchi bW: ọkpụrụkpụ nke ikuku niile nke ihe ngbanwe. Otú ọ dị, usoro ikuku sanwichi na-eweta nsogbu nke ikike parasitic na-abawanye, arụmọrụ na-ebelata. A na-ebute ikike ndị a site n'ikike dị iche iche nke eriri dị n'akụkụ nke ikuku jikọtara ọnụ. Mgbe agbanwuru ọkụ, a ga-ahapụ ike echekwara na ya n'ụdị spikes.
Isi usoro iji belata inductance leakage
Akpụkpọ ụkwụ jikọtara ọnụ 1. Otu ọ bụla nke windings kwesịrị emerụ ahụ nke ọma, ma bụrụ nke a ga-ekesa nke ọma. 2. Ekwesịrị ịhazi ahịrị ndị na-ebute ụzọ nke ọma, gbalịa ka ha guzobe akụkụ ziri ezi, na nso mgbidi skeleton 3. Ọ bụrụ na otu oyi akwa enweghị ike imerụ ahụ nke ọma, otu oyi akwa kwesịrị ịdị ntakịrị. 4 Ekwesịrị ibelata oyi akwa mkpuchi iji zute ihe achọrọ voltaji ma ọ bụrụ na enwere ohere karịa, tụlee ọkpụkpụ elongated ma belata oke. Ọ bụrụ na ọ bụ eriri igwe multi-layer, enwere ike ịme map nkesa oghere magnet nke ọtụtụ mkpuchi mkpuchi mkpuchi n'otu ụzọ ahụ. Iji belata inductance leakage, enwere ike kewaa ma ndị isi na nke abụọ. Dịka ọmụmaatụ, a na-ekewa ya na isi 1/3 → secondary 1/2 → primary 1/2 → primary 1/3 or primary 1/3 → secondary 2/3 → secondary 2/3 → secondary 1/ 3 wdg, ike ndọta kacha elu na-ebelata ka 1/9. Otú ọ dị, a na-ekewa coils nke ukwuu, usoro ikuku na-agbagwoju anya, nkwụsị nke etiti dị n'etiti mkpuchi na-abawanye, ihe na-ejuputa na-ebelata, na mmachibido n'etiti isi na nke abụọ siri ike. N'ọnọdụ ebe mmepụta na ntinye voltaji dị ntakịrị, a chọrọ inductance ntanye ka ọ dị ntakịrị. Dịka ọmụmaatụ, enwere ike iji wires abụọ merụọ ahụ nke na-ebugharị ụgbọala ahụ. N'otu oge ahụ, a na-eji isi ihe ndọta nwere nnukwu obosara na ịdị elu window, dị ka ụdị ite, ụdị RM, na ígwè PM. Oxygen bụ magnetik, nke mere na ike ndọta dị na windo dị ntakịrị, enwere ike nweta obere ntanye ntanye.
Ntụle inductance leakage
Ụzọ n'ozuzu iji tụọ ntanye inductance bụ mkpirisi sekit nke abụọ (primary) winding, tụọ inductance nke isi (secondary) winding, na uru inductance na-esi na ya pụta bụ nke mbụ (secondary) ruo secondary (primary) inductance. A ezigbo transformer leakage inductance ekwesịghị gafere 2 ~ 4% nke magnetizing inductance nke ya. Site n'ịtụ leakage inductance nke transformer, a pụrụ ikpebi àgwà nke a transformer. Inductance ntapu na-enwe mmetụta dị ukwuu na sekit n'ogo dị elu. Mgbe ị na-ekugharị transformer, a ga-ebelata inductance nke ntanye dị ka o kwere mee. Ọtụtụ n'ime ụlọ “sandụwichi” nke isi (secondary) -secondary (primary) -primary (secondary) ka a na-eji ikuku nke ngbanwe. iji belata ntachi obi inductance.
Ọdịiche dị n'etiti ntapu inductance na ntapu magnetik
Inductance ntapu bụ njikọ dị n'etiti isi na nke abụọ mgbe enwere windings abụọ ma ọ bụ karịa, na akụkụ nke ndọta ejikọtaghị ya na nke abụọ. Akụkụ nke inductance ntapu bụ H, nke na-ebute site na mgbawa magnetik site na nke mbụ ruo na nke abụọ. Mwepu ikuku magnetik nwere ike ịbụ otu ikuku ma ọ bụ ọtụtụ windings, na akụkụ nke ndọta na-agbapụta adịghị n'ụzọ nke nnukwu mmiri ndọta. Akụkụ nke ntapu ndọta bụ Wb. Ihe na-akpata inductance nke ntanaka bụ site na ntapu mmiri magnetik, mana ntapu mmiri magnetik anaghị ewepụtarịrị inductance.