Lefatšeng le rarahaneng la liindasteri tsa elektronike le tsamaiso ea matla, likarolo tse fokolang li fumaneha hohle empa li le bohlokoa joaloka capacitor. Bakeng sa lienjiniere tsa ts'ebetso le lihlooho tsa tlhahiso joalo ka Marcus oa Jeremane, ho ts'epahala ha karolo e le 'ngoe ho ka tsebahatsa tlhahiso ea mohala o felletseng oa tlhahiso. Har'a mefuta e mengata ea likaroloana tse sa sebetseng, the CBB capacitor-e tsejoang ka molao e le the metallized polypropylene filimi capacitor-e hlahella e le 'mampoli oa botsitso, tahlehelo e tlase, le ho tšoarella. Empa ke eng e etsang hore sena se khethehe mofuta oa capacitor bohlokoa ho tsohle ho tloha AC ho khanna likoloi ho ea ho litsamaiso tsa molumo tse phahameng?
Sengoliloeng sena se kenella botebong ba meaho, li-nuances tsa tlhahiso, le ts'ebeliso ea bohlokoa ea CBB capacitor. Joaloka moetsi oa mechine e nepahetseng e phahameng e tsamaisang likarolo tsena ho Dongxin Electronic Technology, ke bone ka mahlo hore na boleng ba Ts'ebetso ea Winding e laelang tšebetso ea ho qetela ea Potoloho. Re tla hlahloba hore na ke hobane'ng ha baenjiniere ba tšepa polypropylene filimi capacitor bakeng sa ba batlang haholo matla a phahameng mme Khahla e Phahameng litlhoko.
Hantle-ntle CBB Capacitor ke Eng?
Kotara "CBB capacitor" e tsebahala haholo indastering, leha ho le joalo kopano ea eona ea ho reha mabitso hangata e tsosa lipotso. Setsing sa maemo a Machaena, "C" e emetse capacitor, "B" ea pele e emetse filimi ea tlhaho e seng polar, 'me ea bobeli "B" e bolela ka ho toba. polypropylene joalo ka thepa ea dielectric. Ka hona, a CBB capacitor ha e le hantle ke ntho e sa tsitsang metallized polypropylene filimi capacitor.
Ho fapana le li-capacitor tsa electrolytic tse sebelisang electrolyte ea mokelikeli 'me li na le polarity, the CBB capacitor ha e na polar. Sena se bolela hore e ka kopanngoa ka a Potoloho ntle le ho shebana le li-terminals tse ntle kapa tse mpe, ho etsa hore e be e loketseng bakeng sa AC lits'ebetso. Ka har'a khetla ea polasetiki kapa ea aluminium, u tla fumana likhoele tse peli tse telele haholo tsa filimi ea metallized polypropylene leqeba mmoho. "Metallization" e bolela moalo o monyane oa aluminium kapa zinki - o kentsoeng ka kotloloho filiming ea polasetiki. Kaho ena e lumella thepa ea ho iphekola: haeba karohano e hlaha ka lebaka la overvoltage, lera la tšepe le pota-potileng phoso le etsa hore ho be le ketso e nyenyane e kang ea fuse, e etsang mouoane le ho arola sekoli, ho lumella capacitor ho tswelapele ho sebetsa.
Saense ka Hare: Hobaneng U Sebelisa Filimi ea Polypropylene joalo ka Dielectric?
Pelo efe kapa efe capacitor ke eona dielectric-Ka lintho tse sireletsang e lutseng lipakeng tsa lipoleiti tse peli. Khetho ea dielectric e laela ea capacitor boitšoaro. Baenjiniere sebelisa filimi ea polypropylene hobane e fana ka melemo e mengata ho feta lisebelisoa tse ling tse kang polyester (CL capacitors).
Filimi ea polypropylene joalo ka dielectric e tšoauoa ka ho fetisisa dielectric e tlase tahlehelo le ho phahama ho fokolang ha mocheso o ka hare. Sena se etsa hore ho be thata haholo boemo bo tlase ba ho qhala (DF), hangata ka tlase ho 0.001 ho 1 kHz. Bakeng sa a Potoloho moqapi, sena se bolela ho capacitor e hlahisa mocheso o monyane haholo, leha e tshoaroa phahameng ripple current. Ho feta moo, polypropylene e na le khanyetso e phahameng ea insulation, ho bolelang hore ha e dutle ho tjhaja habonolo. Sena se etsa hore e be khetho e ntle bakeng sa Kopanya le lisebelisoa tsa polokelo moo ho boloka botšepehi ba tefiso ho leng bohlokoa. The mocheso oa mocheso ea polypropylene e boetse e mpe ebile e batla e lekana, e fana ka botsitso ho pholletsa le mefuta e mengata ea mocheso oa ho sebetsa. Saense ena ea lintho tse bonahalang ke lebaka Li-capacitor tsa CBB ke maemo a matla a phahameng le a phahameng hona joale maemo ao ho tshepahala ho sa buisanoeng.
Ho khetholla mefuta e sa tšoaneng: The CBB61 Capacitor le Motor Control
E 'ngoe ea tse ngata e sebelisoa hangata mefuta e fapaneng ka lapeng ke the CBB61 capacitor. Haeba u kile ua arola fene ea siling, fan ea exhaust, kapa e nyane AC enjene, mohlomong u kile ua bona lebokose le letšo le lenyenyane, le khutlonnetsepa. Ke eona eo CBB61.
The CBB61 e kampetsoeng lepatlelong le sa cheseng khetla ea polasetiki me e tiisitsoe ka epoxy resin. Encapsulation ena e sireletsa leqeba ntho e tsoang ho mongobo le ho thothomela. Mosebetsi oa eona o ka sehloohong ke ho matha capacitor bakeng sa mohato o le mong AC makoloi. E fana ka phetoho ea mohato e hlokahalang ho theha matla a khoheli a potolohang, a lumellang ho koloi ho qala le ho matha ka bokgabane. Hobane li-motors tsena hangata li sebetsa lihora tse ngata kapa matsatsi a sa khaotse, li botshepehi bo phahameng mme tahlehelo e tlase litšobotsi tsa CBB61 li bohlokoa. Ho hloleha mona ha ho eme feela a Potoloho; e emisa motsamao wa mmele wa mochini. Ho Dongxin, rona CBB11 MedaLalized filimi ea lifilimi e etsa bonnete ba hore likarolo tsena tsa bohlokoa li na le maqeba ka tsitsipano e tsitsitseng ho thibela ho hlōleha pele ho nako.
The Powerhouse: Lisebelisoa tsa CBB60 ho Single-Phase Motors
Ho nyoloha ka boholo le ho sebetsana le matla, re kopana le CBB60 capacitor. Ha e ntse e ts'oana ka ts'ebetso ho CBB61 (ho qala le ho matha AC motors), the CBB60 hangata e na le sebopeho sa cylindrical mme e etselitsoe ho feta matla lisebelisoa, joalo ka mechini e hlatsoang, lipompo tsa metsi, le li-compressor tsa moea.
The CBB60 e sebelisa chelete e ngata filimi ea metallized polypropylene. Ntlafatso ena ea moralo e e lumella ho mamella holimo maqhubu a phallang. Joaloka motsoala oa eona e monyenyane, e tiisitsoe ka epoxy kapa oli ho netefatsa ho kenya letsoho ho phahameng le botsitso ba mocheso. The ho iphekola bokhoni bo bohlokoa haholo mona hobane lipompo le li-compressor hangata li ba le ho phahama ha motlakase nakong ea ho qala. A mochine oa motlakase joalo ka CBB60 e tlameha ho monya li-spikes tsena ntle le ho hloleha. Sebopeho sa cylindrical se boetse se thusa tsamaisong ea mocheso, ho lumella mocheso ho qhala ka ho lekana.
Matla a Phahameng a Matla: Ka hare ho CBB81 Capacitors
Ha the Palo ea li-volts hloa le makhetlo a mangata e eketseha, li-capacitor tse tloaelehileng li qala ho loana. Ena ke sebaka sa Li-capacitors tsa CBB81. Tsena li etselitsoe ka ho khetheha matla a phahameng, Khahla e Phahameng, le lebelo le phahameng maqhubu. U tla li fumana khafetsa ho li-ballast tsa elektroniki, lisebelisoa tsa motlakase, le li-circuits tsa resonance tse tšekaletseng ka har'a lipontšo.
Sebopeho, the CBB81 e fapane le maemo metallized polypropylene filimi capacitors. Hangata e sebelisa sebopeho sa khokahano ea letoto la ka hare ho sebelisa foil ea aluminium le filimi ea polypropylene. Kaho ena e nyalisitsoeng e fokotsa haholo letoto la khanyetso le inductance, ho lumella ho capacitor ho sebetsana le ho otla ka potlako ntle le ho futhumala hofeta tekanyo. The CBB81 e ipabola ho e phahameng haholo sefepi le lipotoloho tsa resonance moo phokotso e tlase e bohlokoa. Bakeng sa baenjiniere ba meralo mochini o kenya letsoho lipotoloho kapa matla a elektroniki litsamaiso, le CBB81 hangata ke karolo ea bohlokoa bakeng sa karolo ea "snubber" - ho sireletsa li-semiconductor switch (joaloka li-IGBT) ho tsoa ho li-voltage spikes.
Maemo a Tšireletso: Karolo ea Bohlokoa ea X2 Capacitor
Tšireletseho ke ea bohlokoa ka ho fetisisa lisebelisoa tsa elektronike tsa morao-rao. The X2 capacitor ke mofuta o itseng oa polokeho o lekantsoeng ea CBB capacitor. Tsena li etselitsoe hore li hoketsoe ka kotloloho ho terata e kholo ea AC (Line-to-Line). Karolo ea bona ea mantlha ke tšitiso ea motlakase (EMI) khatello.
Hobaneng boemo ba "X2" bo le bohlokoa? Haeba tekanyetso capacitor hloleha ha e ntse e hokahane le mehala ea motlakase, e ka 'na ea e-ba khutšoanyane ea potoloho 'me ea baka mollo. An X2 capacitor, leha ho le joalo, e etselitsoe ho hlōleha ho "sireletsehile" - hangata sebakeng se bulehileng Potoloho mode-'me e ka mamella tse kholo overvoltage li-spikes (ho fihla ho 2.5kV) ntle le ho tšoara mollo. Ba sebelisa sesebelisoa se khethehileng filimi ea metallized polypropylene 'me li koaletsoe tekong e matla khetla ea polasetiki mme epoxy resin. Phepelo e 'ngoe le e' ngoe ea motlakase, ho tloha ho charger ea laptop ea hau ho isa indastering lisebelisoa tsa motlakase, e itšetlehile ka X2 li-capacitors ho sefepi ntša lerata 'me u boloke sesebelisoa se lumellana le melao ea ts'ireletso ea lefats'e.
Ka Ntle ho Lintho tsa Motheo: CBB82 le Likopo tse Phahameng tsa Hona Joale
Le hoja e sa tloaeleha ho feta CBB22 kapa CBB81, the CBB82 e emela phetoho e eketsehileng bakeng sa litlhoko tse khethehileng. CBB82 li-capacitor hangata li ntlafatsoa bakeng sa matla a phahameng mme Hona joale lits'ebetso tsa pulse. Ba arolelana botshepehi bo phahameng mme tahlehelo e tlase litšobotsi tsa lelapa empa li entsoe bakeng sa ts'ebetso e matla le ho feta e phahameng haholo AC mme DC lipotoloho.
Hangata tsena li fumanoa ho tse khethehileng lipotoloho tse khantšang, litsamaiso tsa ho tima, le lisebelisoa moo ho nepahetseng le ho tšoarella ho hlokahalang. Senotlolo sa ho CBB82's performance larileng ka ho metallization mohlala le kamano pakeng tsa filimi le ka ntle etella pele (sprayed tšepe lipheletsong). Khokahano e matla ea tiisa ESR e tlase (Equivalent Series Resistance), e leng bohlokoa bakeng sa ho fokotsa tahlehelo ea matla ho Hona joale scenarios.
Likopo tsa Polypropylene Film Capacitors ho Lipotoloho tsa Kajeno
The lisebelisoa tsa polypropylene li-capacitor li fetela hole ho feta li-motor. Ka lebaka la bona litšobotsi tse babatsehang tsa maqhubu mme khopamiso e tlase, li nkoa e le tsa bohlokoa indastering ea molumo. Ka li-amplifiers tsa boleng bo holimo le li-crossovers, Li-capacitor tsa CBB di sebedisoa bakeng sa sesupo Kopanya le ho tlhotla. Ho fapana le li-capacitor tsa ceramic, tse ka hlahisang lerata la microphonic le ho sotha, polypropylene ha e nke lehlakore.
Ho matla a elektronike, ka ho khetheha ho mochini o kenya letsoho mme mofetoleli meralo, tsena Li-capacitor li sebelisoa hangata bakeng sa ho sefa le ho nyenyefatsa ha DC-Link. Li sebetsa e le li-buffers tsa matla, li etsa hore ho be le ripple ho Motlakase oa DC bese. Bokhoni ba bona ba ho sebetsana phahameng ripple current ntle le ho futhumatsa ho hoholo ho lumella baqapi ho haha li-module tse sebetsang hantle tsa motlakase bakeng sa Likoloi tsa Motlakase (EVs) le lisebelisoa tsa matla a tsosolositsoeng. Ho feta moo, in lipotoloho tsa analoge joalo ka li-integrator le li-circuits tsa sampole-and-hold, the ho kenya letsoho ho phahameng khanyetso ea CBB capacitor e etsa bonnete ba hore tefiso e bolokiloeng ha e lutle, e boloka ho nepahala ha lets'oao.
Manufacturing Precision: Kamoo Mapheo a Fellang a Amang ho Tšepahala
E le moetsi oa mochini o etsang matsoelintsoeke bakeng sa li-capacitor tsa filimi tse entsoeng ka tšepe, Ke atisa ho hlalosetsa bareki ba kang Marcus hore boleng ba capacitor e tiisitsoe nako e telele pele e ka tiisoa epoxy. Mohato oa bohlokoa ke ho omisa.
tsitsipano ea filimi ea metallized polypropylene ha e ntse e le leqeba holim'a mandrel e tlameha ho laoloa ka ho phethahetseng. Haeba e hlephile haholo, likheo tsa moea li lula li le teng, tse lebisang ho ionization (corona effect) le ho senyeha pele ho nako tlas'a matla a phahameng. Haeba e le thata haholo, filimi e otlolla, e fetola sebaka dielectric botenya le ho fokotsa matla a ho senya. Tsa rona Mochine oa moea o ikemetseng oa moea e sebelisa mekhoa e tsoetseng pele ea taolo ea tsitsipano ho netefatsa hore e mong le e mong CBB capacitor e hlahisoang e na le tekano e ts'oanang le bokhoni. Ho feta moo, boleng ba ts'ebetso ea "spray metal" - moo zinki kapa thini e fafatsoang lipheletsong tsa leqeba ho hokahanya likarolo - ke ea bohlokoa bakeng sa Hona joale tshoaro. Khokahano e mpe mona e baka khanyetso e phahameng le mocheso, sera sa leha e le sefe capacitor.
Mokhoa oa ho khetha Capacitor e nepahetseng bakeng sa Moralo oa hau
Ho khetha capacitor e nepahetseng e akarelletsa ho fetang feela ho tsamaisana le bokhoni boleng (e lekantsoe ka microfarads, µF). Moenjiniere o tlameha ho nahana ka:
- Rated Voltage: Kamehla khetha a capacitor ka a Palo ea li-volts tekanyetso e fetang sehlohlolong Palo ea li-volts Ho uena Potoloho. Bakeng sa AC lits'ebetsong, hlahloba lintlha tsa motlakase oa AC ka ho khetheha.
- Hangata: Haeba u sebelisa ho a e phahameng haholo potoloho (joaloka phepelo ea motlakase e fetohang), sebelisa CBB81 kapa tse tshoanang le tsona tahlehelo e tlase mefuta ho fapana le li-CBB tse tloaelehileng.
- Ho sebetsana le Pulse: Bakeng sa lipotoloho tse nang le li-spikes tse bohale (dv/dt), etsa bonnete ba hore capacitor datha e totobatsa bokhoni ba nako e phahameng ea ho otla ha pelo.
- Tikoloho: Nahana ka mocheso le mongobo. Epoxy resin li-capacitor tse tiisitsoeng li fana ka tšireletso e ntle, empa maemo a feteletseng a ka hloka likarolo tse tiisitsoeng ka hermetically.
Ka ho utloisisa litšobotsi tse khethehileng tsa CBB61, CBB60, CBB81, le X2 li-capacitors, lienjiniere li ka netefatsa botshepehi bo phahameng le ho phela nako e telele meralong ea bona.
Key Picaways
The CBB capacitor ke lejoe la motheo la lisebelisoa tsa elektronike tsa morao-rao, e fanang ka tekanyo ea ts'ebetso le ho tšoarella hoo likarolo tse ling tse seng kae li ka bapisang.
- Bohlokoa ba Bohlokoa: Filimi ea polypropylene joalo ka dielectric e fana ka tahlehelo e tlase, ho kenya letsoho ho phahameng, le ho iphekola bokgoni.
- Ho fapanyetsana: Ho tloha ho CBB61 deskeng ea hau ea fan ho ea CBB81 ka a matla a phahameng inverter, ho na le phapang bakeng sa tlhoko e 'ngoe le e' ngoe.
- Tšireletseho: X2 li-capacitor li bohlokoa bakeng sa lisebelisoa tsa motlakase tlhotla le ho latela polokeho.
- Ho tšepahala: The Ts'ebetso ea Winding e bohlokoa; tsitsipano e nepahetseng le ho sebetsana le thepa ho etsa qeto ea nako ea bophelo ea karolo.
- Tshebetso: E ntle haholo Khahla e Phahameng, boemo bo phahameng, le Kopanya likopo ka lebaka la ESR e tlase mme khopamiso e tlase.
Bakeng sa ba amehang tlhahisong ea likarolo tsena tsa bohlokoa, ho netefatsa hore u na le tse ntle ka ho fetisisa lifilimi tse entsoeng ka metallized 'me thepa e matsoelintsoeke e nepahetseng ke mohato oa pele oa ho aha sehlahisoa se hloahloa.
