M'dziko lovuta la uinjiniya wamagetsi, magawo ochepa omwe amapezeka paliponse kapena ovuta kwambiri ngati capacitor. Kaya tikukambirana za microscopic circuitry mkati mwa foni yamakono kapena ma inverters akuluakulu oyendetsa galimoto yamagetsi, capacitor imagwira ntchito yofunika kwambiri. Monga wopanga zolondola makina osindikizira luso ndi chigawo zipangizo, Ine ndadzionera ndekha kuti khalidwe a capacitor imalamula kudalirika kwa dongosolo lonse. Mainjiniya ngati Marcus mu gawo lamagalimoto aku Germany amamvetsetsa kuti a capacitor sichinthu chabe; ndi chipangizo chopangidwa mwaluso chopangidwira sitolo ndi kumasula mphamvu ndi nthawi yoyenera. Nkhaniyi ikufotokoza zamakanika, mitundu, ndi kugwiritsa ntchito kofunikira kwa izi chigawo chamagetsi.
Kodi Capacitor Ndi Chiyani Kwenikweni Ndipo Imagwira Ntchito Motani?
Pamlingo wake wofunikira kwambiri, a capacitor ndi chabe chigawo chamagetsi zomwe zimasunga mphamvu zamagetsi. Mapangidwewo ndi osavuta: amakhala ndi mbale ziwiri conductive olekanitsidwa ndi insulating material yotchedwa a dielectric. Ma mbale awa, kapena maelekitirodi, samakhudza. Mukalumikizidwa ndi a gwero lamagetsi, madzi samadutsa mu capacitor m'lingaliro lachikhalidwe chifukwa cha kutsekereza.
M'malo mwake, a capacitor amaunjikana malipiro. Pamene Voteji Akagwiritsidwa ntchito, ma electron amawunjikana mbale imodzi, kupanga woyimbidwa mlandu, pamene mbale ina imataya ma elekitironi, kukhala zabwino mlandu. Izi zimapanga malo amagetsi kudutsa dielectric. Kukhoza kukhala ndi mlandu kumalola capacitor kuchita ngati batire kwakanthawi, fyuluta, kapena chida chowonera nthawi mkati mwa a dera. Zimalumikizana ndi magetsi ndi magetsi kuti akhazikitse kayendedwe ka magetsi, kuonetsetsa kuti zigawo zapansi pamtsinje zimalandira mphamvu zoyera, zokhazikika.
Kodi Capacitor Imasunga Bwanji Mphamvu M'munda Wamagetsi?
Mosiyana ndi batire, yomwe imasunga mphamvu zamagetsi, a capacitor amasunga mphamvu mwakuthupi malo amagetsi. Pamene a capacitor imayendetsedwa, ndi kuchuluka kwa ndalama ($ Q $) amamanga pa mbale. Mphamvu zimasungidwa m'munda wa electrostatic wopangidwa pakati pa ma elekitirodi awiri. The zinthu za dielectric ili ndi gawo lofunikira pano; imakana kuyenda kwamakono pamene ikuthandizira mizere yamagetsi yamagetsi.
Makinawa amalola a capacitor ku kulipira ndi kutulutsa mwachangu kwambiri. Batire ikhoza kutenga maola kuti recharge,koma a capacitor akhoza kutulutsa zake zonse ndalama zosungidwa mu kachigawo kakang'ono ka sekondi. Katunduyu ndi wofunikira pamapulogalamu omwe amafunikira kuphulika kwamphamvu kwadzidzidzi, monga kuwala kwa kamera kapena ma pulsed lasers. The kusungirako mphamvu Kuthekera kumatanthauzidwa ndi geometry yakuthupi ya capacitor-makamaka, pamwamba pa malo a electrode mbale ndi mtunda pakati pawo.
Kodi Capacitance ndi Chiyani Ndipo Imayesedwa Bwanji?
Kuthekera ndi muyeso a capacitorluso la sitolo mtengo wamagetsi pa unit ya Voteji. Amapimidwa mkati kutali (F), wotchedwa Michael Faraday. Komabe, Farad imodzi ndi yochuluka kwambiri kuthekera. Mu a ntchito capacitor, timachita ndi ma microfarad (µF), nanofarad (nF), kapena picofarad (pF).
The mtengo wa capacitance zimatsimikiziridwa ndi zinthu zitatu zazikulu: pamwamba pa mbale conductive, mtunda pakati pa mbale, ndi permittivity wa dielectric.
$$C = \frac{\epsilon A}{d}$$
Kumene kuli $C$ kuthekera, $\epsilon$ ndi chilolezo, $A$ ndi malo, ndipo $d$ ndi mtunda. Akatswiri amasankha a capacitor kutengera zofunikira capacitance range kwa iwo enieni dera. A high capacitance mtengo zikutanthauza chigawo akhoza sitolo ndalama zambiri pa kuperekedwa Voteji.
Kodi Mitundu Yodziwika Yama Capacitor Imagwiritsidwa Ntchito Masiku Ano?
Ma capacitors amabwera m'mawonekedwe ndi zida zambiri, chilichonse chimayenera kugwira ntchito zosiyanasiyana. The mitundu ya capacitors nthawi zambiri amagawidwa m'magulu awo dielectric zakuthupi.
- Ceramic Capacitors: Izi ndizopanda polarized ndipo zimapereka kukhazikika kwafupipafupi. Amagwiritsidwa ntchito kwambiri mu RF (mawayilesi pafupipafupi) komanso kugwiritsa ntchito zolinga wamba. Ceramic capacitors nthawi zambiri zimakhala zazing'ono komanso zotsika mtengo.
- Electrolytic Capacitors: Odziwika chifukwa cha iwo high capacitance values, awa ali ndi polarized (ali ndi chitsogozo chapadera ndi choyipa). Electrolytic ma capacitors amapezeka kwambiri magetsi kuti musefe ma ripple otsika kwambiri.
- Ma Capacitors a Mafilimu: Izi zimagwiritsa ntchito mafilimu apulasitiki (monga polypropylene kapena polyester) ngati dielectric. Amadziwika kuti ndi odalirika komanso otsika kwambiri. Nthawi zambiri timapereka makina opukutira azitsulo zazitsulo zamakanema kwa opanga omwe amafunikira kulondola pazinthu izi.
- Supercapacitors: Izi zimatsekereza kusiyana pakati pa ma capacitor ndi mabatire, kupereka zazikulu mphamvu yosungirako kwa machitidwe osungira mphamvu.
Chifukwa Chiyani Dielectric Material Ndi Yovuta Kwambiri?
The dielectric ndi moyo wa capacitor. Ndizinthu zopanda conductive olekanitsidwa ndi insulator pakati pa mbale. Kusankha kwa dielectric zimatsimikiza voteji, kukhazikika kwa kutentha, ndi kuthekera.
Ngati ndi voteji kudutsa capacitor amakhala okwera kwambiri, a dielectric akhoza kusweka, kulola panopa kuti arc pakati mbale, kuwononga chigawo chimodzi. Zida monga filimu ya ceramic ndi pulasitiki ndizitsulo zabwino kwambiri. Mu electrolytic capacitors, ndi dielectric ndi wosanjikiza woonda kwambiri wa okusayidi womwe umamera pazithunzi za anode. Kuonda kwa wosanjikiza uku kumalola kukwezeka kuthekera, koma imachepetsanso mphamvu yamagetsi. Pakupanga kolondola kwambiri, kuonetsetsa kukhulupirika kwa zinthu za dielectric pa nthawi yokhotakhota ndondomeko ndizofunikira kwambiri. Chilema chilichonse chingayambitse kulephera msanga.
Kodi Ma Capacitors Amasefa ndi Kukhazikika Motani Zamagetsi?
Mu magetsi, ndi capacitor amagwira ntchito ngati posungira khazikika ndi magetsi magetsi. Mukatembenuza AC kukhala DC, zomwe zimatuluka kuchokera ku rectifier zimakhala pulsating DC voltage. Kuti tichite izi, chachikulu capacitor imayikidwa molingana ndi zomwe zimatuluka.
Pamene voteji ikukwera, ndi capacitor imayendetsedwa, kusunga mphamvu. Pamene voteji kuchokera rectifier akutsikira pakati pa nsonga, ndi capacitor kutulutsas mphamvu zake zosungidwa kubwerera mu dera, kudzaza mipata. Izi zimachepetsa "ripple" ndikupereka kutulutsa kokhazikika kwa DC. Electrolytic capacitors amagwiritsidwa ntchito pano chifukwa cha kuthekera kwawo sitolo mphamvu zambiri. Popanda iwo, tcheru chigawo chamagetsis zitha kukhala ndi kusinthika kwamagetsi kowononga.
Kodi Ntchito Yophatikizana Ndi Kuthetsa Mabanja Ndi Chiyani?
Mu mayendedwe amagetsi, ma capacitor amagwira ntchito ziwiri zosiyana koma zofunikanso chimodzimodzi: kugwirizana ndi kupatukana.
- Coupling Capacitors: Izi zimagwiritsidwa ntchito kulumikiza magawo awiri a amplifier. A capacitor imaletsa ma DC apano koma imalola ma siginecha a AC (monga mafunde a audio kapena wailesi) kudutsa. Izi zimalola kuti chizindikiro cha AC chisunthike kuchokera pagawo lina kupita kwina ndikudzipatula makonda a DC pagawo lililonse.
- Decoupling Capacitors: Amatchedwanso bypass capacitors, awa amagwiritsidwa ntchito kuchotsa DC osafuna phokoso kapena ma spikes okwera kwambiri kuchokera ku zingwe zamagetsi. Iwo amapereka a otsika impedance Njira yopita pansi chifukwa cha phokoso lambiri, kuyeretsa bwino mphamvu yofikira ku microchip. Decoupling capacitors imagwira ntchito ngati nkhokwe zamphamvu zakumaloko, kupereka nthawi yomweyo chip cha digito chikasintha, kuteteza Voteji dips.
Kodi Ma Capacitor Amagwiritsidwa Ntchito Motani Pamagalimoto Amphamvu Kwambiri?
Pamalo a magalimoto amagetsi (EVs) ndi makina opanga mafakitale, capacitors kusewera udindo wofunikira mu magalimoto ndi inverters. Chithunzi cha DC Link capacitor ndi gawo lalikulu lomwe limakhala pakati pa batri (DC) ndi inverter (zomwe zimapanga AC ya injini).
Ma capacitors awa ayenera kusamala mkulu wamakono ndi mofulumira kulipira ndi kutulutsa mikombero. Amakhazikitsa voteji ya basi ya DC ndikuyamwa mphamvu yobwereranso kuchokera pagalimoto panthawi ya braking. Ma capacitors a filimu amakondedwa pano chifukwa amatha kuthana ndi ma voltages apamwamba komanso kukhala ndi moyo wautali wogwira ntchito. Timapanga zida zapadera, monga CBB65 capacitor mapira makina, kupanga ma capacitor amphamvu ofunikira pa izi ntchito zapamwamba mapulogalamu.
Kodi Kupanga Kulondola Kumakhudza Bwanji Kudalirika kwa Capacitor?
Kudalirika kwa a capacitor zimayamba ndi momwe zimapangidwira. Ma capacitor apamwamba kwambiri, makamaka mafilimu ndi ma electrolytic mitundu, amapangidwa ndi zigawo zopindika ma electrodes conductive ndi dielectric zinthu zozungulira pachimake. Apa ndi pamene uinjiniya wolondola ndi wofunikira.
Ngati mafunde ndi otayirira kwambiri, zigawo zimatha kugwedezeka, zomwe zimapangitsa kupsinjika kwamakina ndi kusuntha kwamphamvu. Ngati kusamvana sikuli kofanana, ndiye dielectric akhoza kukwinya ndi kulephera. Pa Dongxin, timapereka zigawo ngati Standard mandrel chofukizira cha capacitor kapena batire mafelemu makina kuonetsetsa kuti pachimake kumakhalabe kokhazikika panthawi yokhotakhota. Kuthamanga kolondola kumatsimikizira kuti mbale zolekanitsidwa ndi dielectric sungani mtunda wokhazikika, kutsimikizira khola mtengo wa capacitance ndi moyo wautali wautumiki.
Kodi Ndi Zinthu Ziti Zomwe Zimatsimikizira Mayeso a Voltage ndi Chitetezo?
Aliyense capacitor ali a voteji, chomwe chiri chopitirira malire Voteji zomwe zingagwiritsidwe ntchito kudutsa izo popanda kulephera. Kupitilira muyeso uwu kungayambitse dielectric kuphulika, kumatsogolera ku dera lalifupi.
Chitetezo ndi ntchito ya mitundu ya capacitor. Mwachitsanzo, electrolytic ma capacitors amatha kuphulika ngati Voteji polarity imasinthidwa (kugwirizanitsa zabwino ndi zoipa). Ma capacitors a filimu Nthawi zambiri ndi "kudzichiritsa," kutanthauza ngati kuwonongeka pang'ono kumachitika, zitsulo electrode vaporizes kuzungulira cholakwacho, kudzipatula ndi kulola capacitor kupitiriza kugwira ntchito. Kumvetsetsa malire achitetezo awa ndikofunikira popanga mabwalo amagetsi kapena mphamvu factor kukonza mayunitsi.
Zofunika Kwambiri
- Kusungirako Mphamvu: A capacitor imasunga mphamvu mu malo amagetsi pakati pa mbale ziwiri olekanitsidwa ndi dielectric.
- Kuthekera: Kuyesedwa ku Farads, kumatanthawuza mphamvu yosungirako wachibale ndi Voteji.
- Kusinthasintha: Kuchokera ceramic kwa ma frequency apamwamba kuti electrolytic kwa mphamvu zambiri, pali a capacitor pa chosowa chilichonse.
- Ntchito Zozungulira: Iwo awiri phokoso, zizindikiro zingapo, fyuluta magetsi, ndi mphamvu yolondola.
- Zinthu Zopanga: Tekinoloje yokhotakhota mwatsatanetsatane ndiyofunikira kuti mupange odalirika mafilimu capacitors ndi mitundu ina.
- Chitetezo: Nthawi zonse muzilemekeza voteji ndi polarity kuteteza kulephera koopsa mu chigawo chamagetsi machitidwe.
