Impamvu ubushobozi bwa CBB bugumana inkingi ya elegitoroniki igezweho

Mwisi yisi igoye ya elegitoroniki yinganda no gucunga ingufu, ibice bike birahari hose ariko birakomeye nku ubushobozi. Kubashinzwe gutunganya no gukora imitwe nka Marcus mubudage, ubwizerwe bwikintu kimwe burashobora kumenya umusaruro wumurongo wose wibyakozwe. Muburyo bunini bwibice bigize pasiporo ,. Ubushobozi bwa CBB- bizwi muburyo bwa ibyuma bya firime ya polypropilene-Yumva neza nka nyampinga uhamye, gutakaza bike, no kuramba. Ariko niki gituma ibi byihariye ubwoko bwa capacitor ingenzi muri byose kuva AC moteri itwara sisitemu yo kwizerwa cyane?

Iyi ngingo icengera cyane mubwubatsi, gukora nuances, hamwe nibikorwa bikomeye bya Ubushobozi bwa CBB. Nkumushinga wimashini zisobanutse neza zihindura ibyo bice muri tekinoroji ya elegitoroniki ya Dongxin, Nabonye ubwanjye uburyo ubwiza bwa inzira yo guhinduranya Gutegeka imikorere yanyuma ya umuzenguruko. Tuzashakisha impamvu abajenjeri bizeye ubushobozi bwa firime ya polypropilene kubyo basaba cyane Umuvuduko mwinshi na inshuro nyinshi ibikenewe.

Niki Mubyukuri Ubushobozi bwa CBB?

Ijambo "Ubushobozi bwa CBB"irazwi cyane mu nganda, nyamara amasezerano yayo yo kwita izina akenshi atera kwibaza. Muri gahunda y’ubushinwa," C "bisobanura ubushobozi, "B" ya mbere isobanura firime ngenga idafite polar, naho "B" ya kabiri isobanura byumwihariko polipropilene Nka ibikoresho bya dielectric. Kubwibyo, a Ubushobozi bwa CBB ni muburyo budasanzwe ibyuma bya firime ya polypropilene.

Bitandukanye nubushobozi bwa electrolytike ikoresha amashanyarazi ya electrolyte kandi ifite polarite ,. Ubushobozi bwa CBB ni idafite inkingi. Ibi bivuze ko ishobora guhuzwa muri a umuzenguruko utitaye kubintu byiza cyangwa bibi, bikora neza kuri AC Porogaramu. Imbere muri plastiki cyangwa aluminiyumu, uzasangamo imirongo ibiri miremire ya firime ya polypropilene igikomere hamwe. "Metallisation" bivuga microscopique ya aluminium cyangwa zinc vacuum yashyizwe kuri firime ya plastike. Iyi nyubako iremera kwikiza: niba gusenyuka bibaye kubera birenze urugero, icyuma cyizengurutse ikosa kirema akantu gato gasa nigikorwa, guhumeka no gutandukanya inenge, kwemerera u ubushobozi gukomeza gukora.

Siyanse Imbere: Kuki Ukoresha Filime ya Polypropilene nka Dielectric?

Umutima wa buri wese ubushobozi ni dielectric- ibikoresho Yicaye hagati ya amasahani abiri. Guhitamo dielectric Gutegeka ubushobozi imyitwarire. Ba injeniyeri koresha firime ya polypropilene kuberako itanga urutonde rwinyungu kurenza ibindi bikoresho nka polyester (ubushobozi bwa CL).

Filime ya polypropilene nka dielectric irangwa cyane dielectric igihombo no kuzamuka gake mubushyuhe bwimbere. Ibi biganisha kuri cyane ibintu bike byo gutandukana (DF), akenshi munsi ya 0.001 kuri 1 kHz. Kuri a umuzenguruko uwashushanyije, ibi bivuze ubushobozi itanga ubushyuhe buke cyane, niyo ikora Umuyoboro muremure. Byongeye kandi, polypropilene ifite Kurwanya cyane, bivuze ko idasohora amafaranga byoroshye. Ibi bituma uhitamo neza guhuza no kubika porogaramu aho kubungabunga ubunyangamugayo ni ngombwa. Uwiteka coefficient ya polypropilene nayo ni mibi kandi ugereranije, itanga ituze murwego rwubushyuhe bwo gukora. Iyi siyanse yubumenyi niyo mpamvu Ubushobozi bwa CBB ni Bisanzwe Kuri umuyaga mwinshi hamwe numuyoboro mwinshi scenarios aho kwizerwa bidashoboka.

Kurandura Ibihinduka: Ubushobozi bwa CBB61 no kugenzura moteri

Imwe muri nyinshi Bikunze gukoreshwa Ibihinduka mumuryango ni CBB61 ubushobozi. Niba warigeze gutandukanya umuyaga wo hejuru, umuyaga usohora, cyangwa muto AC moteri, birashoboka ko wabonye akantu gato, urukiramende rwirabura. Uwo ni CBB61.

Uwiteka CBB61 ni Gufunga in flame-retardant kare Igikonoshwa na kashe hamwe epoxy resin. Uku kurinda kurinda igikomere ikintu kiva mubushuhe no kunyeganyega. Igikorwa cyibanze cyayo ni nko kwiruka ubushobozi kuri icyiciro kimwe AC moteri. Itanga icyiciro cya ngombwa gikenewe kugirango habeho kuzunguruka rukuruzi, kwemerera the moteri gutangira no gukora neza. Kuberako moteri akenshi ikora amasaha cyangwa iminsi ubudahwema ,. kwizerwa cyane na igihombo gito Ibiranga CBB61 ni ngombwa. Kunanirwa hano ntabwo bihagarika a umuzenguruko; ihagarika kugenda kumubiri kwimashini. Kuri Dongxin, iwacu CBB61 Metallized film Capit imashini iremeza ko ibyo bice byingenzi bikomerekejwe nuburemere buhoraho kugirango birinde kunanirwa imburagihe.

Imbaraga: Porogaramu ya CBB60 muri Moteri imwe yicyiciro

Kuzamuka mubunini no gukoresha imbaraga, duhura na CBB60 ubushobozi. Mugihe bisa mumikorere na CBB61 (gutangira no gukora AC moteri) ,. CBB60 mubisanzwe biranga ishusho ya silindrike kandi yagenewe hejuru imbaraga porogaramu, nk'imashini imesa, pompe y'amazi, hamwe na compressor de air.

Uwiteka CBB60 ikoresha iremereye firime ya polypropilene. Gutezimbere igishushanyo kibemerera kwihanganira hejuru imigezi. Kimwe na mubyara muto, bifunze hamwe epoxy cyangwa amavuta kugirango yizere hejuru cyane nubushyuhe bwumuriro. Uwiteka kwikiza ubushobozi ni ingenzi cyane hano kuko pompe na compressor bikunze guhura na voltage mugihe cyo gutangira. A. moteri ya moteri nka CBB60 igomba gukuramo iyi mitoma nta kunanirwa. Igishushanyo cya silindrike nacyo gifasha mu gucunga ubushyuhe, kwemerera ubushyuhe gutandukana cyane.

Umuyoboro mwinshi cyane: Imbere ya CBB81

Iyo voltage kuzamuka na inshuro kwiyongera, ubushobozi busanzwe butangira guhangana. Aka ni agace ka Ubushobozi bwa CBB81. Ibi byabigenewe byumwihariko Umuvuduko mwinshi, inshuro nyinshi, na impiswi ndende imigezi. Uzabasanga kenshi muri ballast ya elegitoronike, amashanyarazi, na horizontal resonance izunguruka mu kwerekana.

Mu buryo bwubaka ,. CBB81 itandukanye nibisanzwe ibyuma bya firime ya polypropilene. Akenshi ikoresha urukurikirane rwimbere rwimikorere ikoresheje aluminium foil na polypropilene. Iyi Hybrid yubatswe igabanya cyane Kurwanya Urukurikirane na inductance, kwemerera ubushobozi gukemura impiswi byihuse nta bushyuhe bukabije. Uwiteka CBB81 indashyikirwa muri inshuro nyinshi muyunguruzi na resonance imirongo aho gutandukana ni ngombwa. Kubashakashatsi inverter imirongo cyangwa amashanyarazi Sisitemu, i CBB81 ni kenshi kujya mubice byuruhare rwa "snubber" -kurinda icyuma cya semiconductor (nka IGBTs) kuri voltage.

Ibipimo byumutekano: Uruhare rukomeye rwa Capacitor ya X2

Umutekano niwo wambere muri ibikoresho bya elegitoroniki bigezweho. Uwiteka X2 ubushobozi ni umutekano wihariye wapimwe wa Ubushobozi bwa CBB. Ibi byashizweho kugirango bihuze neza umurongo wa AC nyamukuru (Umurongo-ku-murongo). Uruhare rwabo rwibanze ni kwivanga kwa electronique (EMI) guhagarika.

Kuki igipimo cya "X2" ari ngombwa? Niba bisanzwe ubushobozi birananirana mugihe bihujwe numuyoboro, birashobora kuzunguruka bigatera umuriro. An X2 ubushobozi, icyakora, yagenewe kunanirwa "umutekano" - mubisanzwe kumugaragaro umuzenguruko buryo - kandi irashobora kwihanganira byinshi birenze urugero imitoma (kugeza kuri 2.5kV) udafashe umuriro. Bakoresha umwihariko firime ya polypropilene kandi zifunzwe mubigeragezo bikomeye Igikonoshwa na epoxy resin. Amashanyarazi yose, uhereye kumashanyarazi ya mudasobwa igendanwa kugeza mu nganda amashanyarazi, Yishingikirije X2 ubushobozi bwa muyunguruzi hanze urusaku kandi ukomeze igikoresho gikurikiza amategeko yumutekano ku isi.

Kurenga Ibyibanze: CBB82 na Byinshi-Bigezweho Porogaramu

Mugihe bitamenyerewe kurenza CBB22 cyangwa CBB81, the CBB82 byerekana ubundi bwihindurize kubikenewe byihariye. CBB82 capacator akenshi ziba nziza cyane Umuvuduko mwinshi na uburebure Porogaramu. Basangiye kwizerwa cyane na igihombo gito imico yumuryango ariko ikozwe muburyo bwo gukora cyane muri inshuro nyinshi AC na DC imirongo.

Ibi bikunze kuboneka muburyo bwihariye kumurika, sisitemu yo gutwika, nibikoresho aho bisabwa neza kandi biramba. Urufunguzo rwa CBB82'Imikorere i metallisation igishushanyo no guhuza hagati ya firime nuyobora hanze (gutera ibyuma birangira). Ihuza rikomeye riremeza hasi ESR (Kurwanya Urukurikirane Rurwanya), ningirakamaro mukugabanya gutakaza ingufu muri uburebure ibintu.

Porogaramu ya Polypropilene Filime Yububiko Mumuzunguruko ugezweho

Uwiteka Porogaramu ya polypropilene ubushobozi bwa moteri burenze kure moteri. Kubera ibyabo ibiranga ibihe byiza na kugoreka gake, bahabwa agaciro mubikorwa byamajwi. Mu majwi yo mu rwego rwo hejuru yongerera amajwi amajwi, Ubushobozi bwa CBB Byakoreshejwe Kuri Ikimenyetso guhuza no kuyungurura. Bitandukanye nubushobozi bwa ceramic, bushobora kwinjiza urusaku rwa mikoro no kugoreka, polipropilene ntaho ibogamiye.

Muri ibikoresho bya elegitoroniki, in inverter na Guhindura ibishushanyo, ibi ubushobozi busanzwe bukoreshwa kuri DC-Ihuza gushungura no guswera. Bakora nka buffers zingufu, koroshya impagarara kuri Umuyoboro wa DC bus. Ubushobozi bwabo Umuyoboro muremure nta bushyuhe bukomeye butuma abashushanya kubaka modulike yoroheje, ikora neza kubinyabiziga byamashanyarazi (EVs) hamwe na sisitemu yingufu zishobora kubaho. Byongeye, muri inzitizi nka integer hamwe na sample-na-gufata imirongo, i hejuru cyane Kurwanya Ubushobozi bwa CBB iremeza ko amafaranga yabitswe adasohoka, abika ibimenyetso neza.

Gukora neza: Uburyo Winding igira ingaruka ku kwizerwa

Nkumushinga wa imashini ihinduranya ibyuma bya firime, Nkunze gusobanurira abakiriya nka Marcus ko ubwiza bwa a ubushobozi igenwa kera mbere yuko ifungwa epoxy. Intambwe ikomeye ni ukuzunguruka.

Impagarara za firime ya polypropilene nkuko yakomeretse kuri mandel igomba kugenzurwa neza. Niba irekuye cyane, icyuho cyikirere kigumaho, biganisha kuri ionisiyoneri (ingaruka za corona) no gusenyuka imburagihe munsi Umuvuduko mwinshi. Niba bikabije, firime irambuye, ihindura i dielectric umubyimba no kugabanya voltage yamenetse. Iwacu Lv-s urukurikirane rwigenga imashini izunguruka ikoresha sisitemu igezweho yo kugenzura impagarara kugirango yizere ko buri Ubushobozi bwa CBB yakozwe ifite ubucucike bumwe nubushobozi. Ikigeretse kuri ibyo, ubuziranenge bwibikorwa bya "spray icyuma" - aho zinc cyangwa amabati byatewe kumpera yumuzingo w igikomere kugirango uhuze ibice - ni ngombwa kuri uburebure gutunganya. Ihuza ribi hano ritera guhangana nubushyuhe bwinshi, umwanzi wa buriwese ubushobozi.

Nigute wahitamo ubushobozi bukwiye kubishushanyo byawe

Guhitamo ubushobozi birimo ibirenze guhuza gusa ubushobozi agaciro (gupimirwa muri microfarad, µF). Injeniyeri agomba gutekereza:

1. Umuvuduko ukabije: Buri gihe hitamo a ubushobozi hamwe na voltage igipimo kiri hejuru yimpinga ntarengwa voltage muriwe umuzenguruko. Kuri AC Porogaramu, reba AC voltage igipimo cyihariye.
2. Inshuro: Niba ukoresha muri a inshuro nyinshi umuzenguruko (nkuguhindura amashanyarazi), koresha CBB81 cyangwa bisa igihombo gito ubwoko aho kuba CBBs rusange.
3. Gukoresha Indwara: Kumuzunguruko ufite amashanyarazi akomeye (dv / dt), menya neza ubushobozi datasheet yerekana impiswi ndende yo kuzamuka igihe ubushobozi.
4. Ibidukikije: Reba ubushyuhe n'ubushuhe. Epoxy resin capacator zifunze zitanga uburinzi bwiza, ariko ibidukikije bikabije birashobora gusaba ibice bifunze.

Mugusobanukirwa ibintu byihariye biranga CBB61, CBB60, CBB81, na X2 ubushobozi, injeniyeri zirashobora kwemeza kwizerwa cyane no kuramba mubishushanyo byabo.

ABAFATANYIJE

Uwiteka Ubushobozi bwa CBB ni ibuye rikomeza imfuruka ya ibikoresho bya elegitoroniki bigezweho, gutanga impirimbanyi yimikorere nigihe kirekire ibindi bice bike bishobora guhuza.

• Ibikoresho birenze: Filime ya polypropilene nka dielectric itanga igihombo gito, hejuru cyane, na kwikiza ubushobozi.
• Bitandukanye: Kuva i CBB61 mu biro byawe umufana kuri CBB81 muri Umuvuduko mwinshi inverter, hari impinduka kuri buri gikenewe.
• Umutekano: X2 ubushobozi ni ngombwa kuri moteri muyunguruzi no kubahiriza umutekano.
• Kwizerwa: Uwiteka inzira yo guhinduranya ni ngombwa; impagarara zuzuye hamwe nibikoresho bifatika bigena igihe cyo kubaho.
• Imikorere: Byiza kuri inshuro nyinshi, Umuyoboro muremure, na guhuza Porogaramu Kuri hasi ESR na kugoreka gake.

Kubagize uruhare mu gukora ibi bice byingenzi, bakemeza ko ufite ibyiza ibyuma bya firime nibikoresho bisobanutse neza nintambwe yambere yo kubaka ibicuruzwa byiza.