litaba

Inductor ea mokhoa o tloaelehilengho bolela hore likhoele tse peli li entsoe mokokotlong o le mong oa tšepe, o nang le mapheo a fapaneng, palo ea ho thinya le mohato o le mong.Hangata e sebelisoa ho fetola lisebelisoa tsa motlakase ho sefa mats'oao a tšitiso a motlakase a tloaelehileng, li-filters tsa EMI li sebelisoa ho hatella maqhubu a motlakase a hlahisoang ke mela ea mats'oao a lebelo le phahameng ho tsoa kantle.The common mode inductance at input of the power module is often to the fokotsa radiation le high frequency common mode lerata.Leha ho le joalo, inductance e kholo ea mokhoa o tloaelehileng o na le phello e ntle ea khatello ho tšitiso ea maqhubu a tlaase, 'me maqhubu a phahameng a ka mpefala, empa maikutlo a manyenyane a na le phello e mpe ea khatello ho khathatso ea maqhubu a tlaase.

E na le phello e hlakileng ea khatello ho lerata le tloaelehileng la mokhoa.Molao-motheo oa ho sebetsa ke hore ha mokhoa o tloaelehileng oa hona joale o feta karolong, li-inductance tsa li-inductors tse peli li kopana.Empa bakeng sa lerata la mekhoa e fapaneng, li-inductance tse peli li lekana le ho nka phapang, boleng ba inductance bo fokotseha, 'me phello ea khatello e tla fokola.

Boholo ba mokhoa o tloaelehileng oa inductance bo tla ama ts'ebetso ea EMC ka kotloloho.Mosebetsi o ka sehloohong ke ho arola lets'oao la mokhoa o tloaelehileng le ho fokotsa tšitiso ea mokhoa o tloaelehileng oa kantle, ka hona ho fokotsa tšusumetso ho phepelo ea motlakase.E ka boela ea fokotsa lets'oao la mokhoa o tloaelehileng oa kahare le ho fokotsa tšusumetso ho grid ea matla.Leha ho le joalo, inductance e kholo ea mokhoa o tloaelehileng o na le phello e ntle ea khatello ho tšitiso ea maqhubu a tlaase, 'me maqhubu a phahameng a ka mpefala, empa maikutlo a manyenyane a na le phello e mpe ea khatello ho khathatso ea maqhubu a tlaase.

Seo re tloaetseng ho se sebelisa qetellong ea mojule oa matla ke x bokhoni, y bokhoni le inductance ea mokhoa o tloaelehileng.Bokhoni bo na le impedance e tlase ho lets'oao, le sebetsang joalo ka lets'oao la ho feta le ho kopanya.Inductance e na le tšusumetso e phahameng ho lets'oao 'me e bapala karolo ea ho bonahatsa le ho amohela matšoao a tšitiso ea maqhubu a phahameng.

Tšitiso e lipakeng tsa lithapo tse peli tsa motlakase fatše e bitsoa tšitiso ea mokhoa o tloaelehileng, ’me tšitiso lipakeng tsa likhoele tse peli tsa matla e bitsoa tšitiso ea mokhoa o fapaneng.Ha inductance le capacitance li kopantsoe ho sefa, phello ea ho hloekisa e molemo, 'me sehlopha sa maqhubu moo inductance le capacitance li phethang karolo.E boetse e fapane.Y capacitor le Y capacitor e bapala karolo ea ho sefa tšitiso ea mokhoa o tloaelehileng, 'me X capacitor e sebetsa haholo e le pontšo ea potoloho e khutšoanyane, e fokotsa tsela eo pontšo ea mokhoa oa ho khetholla e phallang ka eona, kahoo e fokotsa ho oscillation e bakoang ke parasitic parameters. potoloho le ho baka ho tsoa ha maqhubu a phahameng.

Ha inductance kapa capacitance e tlosoa ka moralo, karolo e setseng e ntse e tla sebetsa, empa phello e tla mpefala haholo.Ha re bua ka kakaretso, e kholoanyane mokhoa o tloaelehileng oa impedance, ho molemo.Ha u khetha inductor ea mokhoa o tloaelehileng, khetho e itšetlehile haholo ka sekhahla sa maqhubu a impedance.Ka nako e ts'oanang, tlhokomelo e lokela ho lefshoa ho tšusumetso ea mokhoa o fapaneng oa impedance ho pontšo.