Tsika-yakagadzirwa Power capacitors anoshandiswa muDC-link maseketi

Tsanangudzo Pfupi

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Metallized film capacitors mamwe emamwe macapacitor anonyanya kushandiswa mumaseketi emagetsi emazuva ano ukuwo low power film capacitor achiwanzo shandiswa pakubvisa nekusefa maapplications.

Simba firimu capacitor rinoshandiswa zvakanyanya muDC-link maseketi, pulsed lasers, X-ray inopenya, uye phase shifters.

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Tsanangudzo

Maitiro ekuita kwemufirimu capacitor anosiyana zvakanyanya zvichienderana neiyo dielectric zvinhu zvinoshandiswa pamwe neiyo tekinoroji yekuvaka yakashandiswa.Mimwe yeanonyanya kushandiswa epurasitiki mafirimu dielectrics anosanganisira polyethylene naphthalate (PEN), polyethylene terephthalate (PET), uye polypropylene (PP).

Plastiki firimu capacitor inogona kuiswa zvakaganhurwa kuita firimu / foil uye metallized film capacitors.Iyo yakakosha chimiro chefirimu / foil capacitor ine maviri simbi foil electrode uye epurasitiki firimu dielectric pakati pawo.Firimu / foil capacitors inopa yakakwirira insulation kuramba, yakakwirira pulse kubata kugona, yakanakisa ikozvino kutakura kugona, uye yakanaka capacitance kugadzikana.Kusiyana nefirimu/foil capacitors, metallized film capacitors anoshandisa simbi-yakavharidzirwa epurasitiki mafirimu semagetsi.Metallized film capacitor yakadzikisa hukuru hwemuviri, uye inopa yakakwira volumetric kunyatso, yakanaka capacitance kugadzikana, yakaderera dielectric kurasikirwa, uye yakanakisa kuzvirapa zvivakwa.Mamwe macapacitor ihybrid yefirimu/foil capacitors uye metallized film capacitors uye anoratidza maitiro emhando mbiri.Iyo yekuzviporesa zvimiro zve metallized film capacitors inoita kuti ive yakakodzera kune yakafara spectrum yekushandisa, kusanganisira hupenyu hurefu uye benign kutadza mode maseketi.

Kuzviporesa kwesimbi yefirimu capacitors

Iwo epurasitiki firimu dielectrics anowanzo shandiswa mukuvaka metallized film capacitors anosanganisira polypropylene (PP), polyphenylene sulfide (PPS), polyester, uye metalized bepa (MP).Izvi dielectric zvinhu zvine akasiyana ekuzvipodza kugona.

Kana kuparara kukaitika mune metallized film capacitor, arcing inokonzeresa kuti simbi yakatetepa yakatenderedza nzvimbo yekukanganisa inyunguduke.Iyi vaporization process inobvisa conductive simbi layer munzvimbo yakatenderedza chikanganiso.Sezvo iyo conductive material yakabviswa, pfupi pfupi haigoni kuitika pakati pemahwendefa.Izvi zvinodzivirira kukanganisa kwechikamu.

Iko kugona kuzviporesa kwesimbi yefirimu capacitor kunoenderana nezvinhu zvakawanda zvinosanganisira zvinhu zve dielectric zvinhu uye ukobvu hwesimbi.Iyo vaporization process inoda kukwana kwakakwana kweokisijeni uye dielectric zvinhu zvine yakakwira pamusoro peokisijeni yemukati zvine yakanaka yekuzviporesa.Mamwe epurasitiki firimu dielectrics ane yakanaka yekuzviporesa maitiro anosanganisira polypropylene, polyester uye polycarbonate.Kune rimwe divi, epurasitiki firimu dielectrics ine yakaderera pamusoro peokisijeni yemukati ine hurombo hwekuzviporesa maitiro.Polyphenylene sulfide (PPS) imwe yakadaro dielectric zvinhu.

Kunze kwekusimudzira kuvimbika, kugona kuzvirapa kwesimbi yakashongedzwa firimu capacitors inobatsira kusimudzira hupenyu hwavo hwekushanda.Nekudaro, kuzvirapa kunokonzera kuderedzwa kweiyo metallized electrode nzvimbo nekufamba kwenguva.

Mumashandisirwo, mamwe emamiriro anogona kukurumidzira kutadza kwechimwe chikamu anosanganisira kupisa kwakanyanya, kukwira kwemagetsi, mheni, hunyoro hwepamusoro, uye kukanganiswa kwemagetsi (EMI).

Kunze kwezvakanaka zvekuzviporesa zvivakwa, metallized polyester film capacitor zvakare ine yakakwira dielectric inogara, yakanaka kugadzikana kwetembiricha, yakakwira dielectric simba, uye yakanakisa volumetric kunyatsoita.Aya maitiro anoita kuti aya ma capacitor ave akanaka kune zvakajairwa chinangwa maapplication.Metallized polyester capacitors anoshandiswa zvakanyanya kuDC zvikumbiro senge kuvharira, kunzvenga, kubvisa, uye kudzvinyirira ruzha.

Metallized polypropylene capacitors inopa yakakwirira insulation kuramba, yakaderera dielectric absorption, yakaderera dielectric kurasikirwa, yakakwira dielectric simba, uye kugadzikana kwenguva refu.Aya maficha-anoshanda enzvimbo anoshandiswa zvakanyanya mumains-akabatanidzwa maapplication akadai sesefa maseketi, mwenje maballasts, uye snubber circuits.Kaviri metallized polypropylene film capacitors inokwanisa kushingirira yakakwira voltage uye yakakwira-pulse mitoro, uye inokodzera maapplication ane mukana wepamusoro wekupomba.Aya ma capacitor anowanzo kushandiswa mumotokari controllers, snubbers, switch mode magetsi ekupa, uye monitors.

Mhedziso

Kuvimbika uye kushanda kwehupenyu hwe capacitors zvakanyanya kunoenderana nekuzvirapa kwavo maitiro.Zvikamu zvePassive zvine maitiro akanaka ekuzviporesa zvakanyanya kuvimbika uye zvinopa hupenyu hurefu hwekushanda.Iyo yakanaka yekuzviporesa maitiro e metallized film capacitors inosimudzira kusimba kwavo uye inoita kuti ive yakakodzera kune akawanda maapplication.Uye zvakare, izvi zvinhu zvakasimba zvinotadza kuvhurika-dunhu, uye izvi zvinoita kuti zvive zvakanaka kune maapplication anoda zvinhu zvine yakachengeteka kutadza modhi.

Padivi repafiripi, iyo yekuzviporesa pfuma ye metallized film capacitors inokonzera kurasikirwa kwechimwe kuwedzera uye iyo yakazara capacitance kudonha.Kunze kwezvakanaka zvekuzvipodza zvivakwa, mazhinji ane metallized firimu capacitors anopawo yakakwira yekuputsa simba uye yakakwirira volumetric kunyatso.

Kuti uwane mamwe firimu capacitor ruzivo, ndapota dhawunirodha CRE katalogi.