N'ime ụwa mgbagwoju anya nke ngwá electronic ụlọ ọrụ na njikwa ike, ihe ole na ole dị ka ebe niile ma dị oke egwu dị ka nke capacitor. Maka ndị injinia usoro na ndị isi na-emepụta ihe dị ka Marcus na Germany, ntụkwasị obi nke otu akụrụngwa nwere ike ikpebi mkpụrụ nke ahịrị mmepụta dum. N'etiti nnukwu n'usoro nke ngwa ngwa components, na CBB capacitor-Amara nke ọma dị ka metallized polypropylene film capacitor- pụtara dị ka onye mmeri nke nkwụsi ike, mfu dị ala, na ogologo oge. Ma gịnị mere nke a kpọmkwem ụdị capacitor dị mkpa na ihe niile si AC moto na-ebuga na sistemụ ọdịyo dị elu?
Edemede a na-abanye n'ime ihe owuwu, imepụta nuances na ngwa dị oke egwu nke CBB capacitor. Dị ka onye na-emepụta ígwè ọrụ dị elu nke na-ekpuchi ihe ndị a na Dongxin Electronic Technology, ahụla m n'onwe m otú ịdị mma nke usoro winding na-ekwupụta arụmọrụ ikpeazụ nke sekit. Anyị ga-enyocha ihe mere ndị injinia ji tụkwasị obi polypropylene film capacitor n'ihi na ha kasị achọ elu voltaji na elu ugboro mkpa.
Kedu ihe bụ CBB Capacitor?
Usoro ahụ "CBB capacitor"A ghọtara nke ọma na ụlọ ọrụ ahụ, ma mgbakọ aha ya na-ebutekarị ajụjụ. N'ime usoro nhazi nke China, "C" na-anọchite anya ya. capacitor, nke mbụ "B" na-anọchi anya ihe nkiri organic na-abụghị polar, na nke abụọ "B" pụtara kpọmkwem. polypropylene dị ka ihe dielectric. Ya mere, a CBB capacitor bụ n'ezie ihe na-abụghị inductive metallized polypropylene film capacitor.
N'adịghị ka electrolytic capacitors na-eji a mmiri mmiri electrolyte na nwere polarity, ndị CBB capacitor abụghị polar. Nke a pụtara na enwere ike ijikọ ya na a sekit n'agbanyeghị mma ma ọ bụ na-adịghị mma ọnụ ọnụ, na-eme ka ọ dị mma maka AC ngwa. N'ime shei plastik ma ọ bụ aluminom, ị ga-ahụ ibe abụọ dị ogologo ihe nkiri polypropylene metallized gbakọta ọnụ. "Metallization" ahụ na-ezo aka na oyi akwa aluminom ma ọ bụ oghere zinc nke etinyebere ozugbo na ihe nkiri rọba. Ihe owuwu a na-enye ohere Njirimara ọgwụgwọ onwe: ma ọ bụrụ na ndakpọ emee n'ihi overvoltage, Ngwunye ígwè dị n'akụkụ mmejọ ahụ na-emepụta obere ihe dị ka fuse, na-ekpochapụ ma na-ekewapụ ntụpọ ahụ, na-enye ohere capacitor ịga n'ihu na-arụ ọrụ.
Sayensị dị n'ime: gịnị kpatara eji ihe nkiri polypropylene dị ka Dielectric?
Obi nke ọ bụla capacitor bụ ya dielectric-nke ihe mkpuchi nke na-anọdụ n'etiti efere abụọ. Nhọrọ nke dielectric na-ekwu na nke capacitor omume. Ndị injinia eji polypropylene film n'ihi na ọ na-enye uru dị iche iche karịa ihe ndị ọzọ dị ka polyester (CL capacitors).
Ihe nkiri polypropylene dị ka dielectric ji oke oke obere dielectric ọnwụ na ntakịrị ịrị elu na okpomọkụ dị n'ime. Nke a na-eduga na nke ukwuu ihe nkwụsịtụ dị ala (DF), na-erughị 0.001 na 1 kHz. Maka a sekit mmebe, nke a pụtara na capacitor na-ebute obere okpomọkụ, ọbụlagodi mgbe ejiri ya elu ripple ugbu a. Ọzọkwa, e nwere polypropylene nnukwu mkpuchi mkpuchi, nke pụtara na ọ naghị akwụ ụgwọ ngwa ngwa. Nke a na-eme ka ọ bụrụ ezigbo nhọrọ maka njikọ yana ngwa nchekwa ebe idobe iguzosi ike n'ezi ihe dị mkpa. Nke ọnụọgụ okpomọkụ nke polypropylene bụkwa ihe na-adịghị mma na nke dị n'ahịrị, na-enye nkwụsi ike n'ofe oke okpomọkụ na-arụ ọrụ. Sayensị ihe onwunwe a kpatara ya CBB capacitors bụ ọkọlọtọ maka elu voltaji na elu ugbu a ndapụta ebe ntụkwasị obi na-abụghị negotiable.
Idozi ụdịdị dị iche iche: Capacitor CBB61 na njikwa moto
Otu n'ime ndị kasị a na-ejikarị eme ihe variants n'ime ezinụlọ bụ CBB61 capacitor. Ọ bụrụ na ị kewapụrụ fan n'uko ụlọ, ihe ikuku iyuzucha, ma ọ bụ obere AC moto, ikekwe ị hụla igbe ojii nwere akụkụ anọ. Nke ahụ bụ CBB61.
Nke CBB61 a na-agbanye ya n'okirikiri ọkụ plastic shei ma mechie ya epoxy resin. Nke a encapsulation na-echebe ndị ọnya mmewere sitere na mmiri na ịma jijiji. Isi ọrụ ya bụ ka ịgba ọsọ capacitor maka otu-phase AC moto. Ọ na-enye ngbanwe nke oge dị mkpa iji mepụta oghere ndọta na-atụgharị, na-enye ohere moto ịmalite ma na-agba ọsọ nke ọma. N'ihi na ndị a Motors mgbe na-agba ọsọ ruo awa ma ọ bụ ụbọchị nọgidere, na elu ntụkwasị obi na obere ọnwụ njirimara nke CBB61 dị mkpa. Ọdịda ebe a anaghị akwụsị naanị a sekit; ọ na-akwụsị mmegharị anụ ahụ nke igwe. Na Dongxin, anyị Igwe ihe nkiri Capacitor Winding CBB61 Metallized na-eme ka a mara na a na-emerụ ihe ndị a dị oke egwu na esemokwu na-agbanwe agbanwe iji gbochie ọdịda akaghi aka.
Ụlọ ọkụ: Ngwa nke CBB60 na Motors Single-Phase
N'ịga na nha na njikwa ike, anyị na-ezute CBB60 capacitor. Ọ bụ ezie na ọ na-arụ ọrụ na nke CBB61 (malite na ịgba ọsọ AC moto), na CBB60 na-enwekarị ọdịdị cylindrical ma emebere ya maka elu ike ngwa, dị ka igwe ịsa ahụ, nfuli mmiri, na compressors ikuku.
Nke CBB60 na-eji ọnụ dị arọ ihe nkiri polypropylene metallized. Nkwalite imewe a na-enye ya ohere iguzogide elu anya mmiri. Dị ka obere nwa nwanne nne ya, a na-emechi ya epoxy ma ọ bụ mmanụ iji hụ elu mkpuchi na nkwụsi ike thermal. Nke ọgwụgwọ onwe ike dị oke mkpa ebe a n'ihi na nfuli na compressors na-enwekarị mkpọ voltaji n'oge mmalite. A moto capacitor dị ka CBB60 ga-amịkọrọ ndị a spikes na-enweghị ọdịda. Nhazi cylindrical na-enyekwa aka na njikwa okpomọkụ, na-enye ohere ikpo ọkụ ka igbasa ọzọ uniformly.
Ọkachamara voltaji dị elu: N'ime CBB81 Capacitors
Mgbe voltaji ịrị elu na ndị ugboro ugboro na-abawanye, ọkọlọtọ capacitors na-amalite mgba. Nke a bụ ókèala nke CBB81 capacitors. A haziri ndị a kpọmkwem maka elu voltaji, elu ugboro, na elu usu mmiri iyi. Ị ga-ahụ ha ugboro ugboro na bọọlụ eletrọnịkị, ike ọkọnọ, na sekit resonance kwụ ọtọ na ngosipụta.
N'usoro, ndị CBB81 dị iche na ọkọlọtọ metallized polypropylene film capacitors. Ọ na-ejikarị usoro njikọ njikọ dị n'ime ya na-eji aluminom foil na ihe nkiri polypropylene. Nke a ngwakọ ewu n'ike n'ike ebelata usoro nguzogide na inductance, na-ekwe na capacitor iji na-edozi pulses ngwa ngwa na-enweghị ikpo ọkụ. Nke CBB81 kacha mma elu-ugboro nyo na resonance sekit ebe obere dissipation dị egwu. Maka ndị injinia na-emepụta ihe inverter sekit ma ọ bụ ike eletrọnịkị sistemu, na CBB81 na-abụkarị ihe aga-aga maka ọrụ "snubber" - na-echebe igwe ọkụ semiconductor (dị ka IGBT) site na spikes voltaji.
Ụkpụrụ Nchekwa: Ọrụ Dị Mkpa nke Capacitor X2
Nchekwa bụ ihe kacha mkpa na oge a eletrọnịkị. Nke X2 capacitor bụ ụdị nchekwa akọwapụtara nke ọma nke CBB capacitor. Emebere ihe ndị a ka ejikọta ya ozugbo n'ofe ahịrị AC (Line-to-Line). Ọrụ bụ́ isi ha bụ nnyonye anya electromagnetic (EMI) nkwụsị.
Kedu ihe kpatara ọkwa "X2" ji dị mkpa? Ọ bụrụ ọkọlọtọ capacitor ada ada ka ejikọrọ na mains, ọ nwere ike dị mkpirikpi sekit ma butere ọkụ. A X2 capacitor, Otú ọ dị, e mere ka ọ daa "nchekwa"-na-emekarị n'èzí sekit mode — ma nwee ike iguzogide oke overvoltage spikes (ruo 2.5kV) na-enweghị ọkụ. Ha nagide a pụrụ iche ihe nkiri polypropylene metallized ma tinye ya n'ime ule siri ike plastic shei na epoxy resin. Ọkụ ọkụ ọ bụla, site na chaja laptọọpụ gị ruo na ụlọ ọrụ mmepụta ihe ike ọkọnọ, dabere na X2 capacitors na nyo wepụ mkpọtụ ma debe ngwaọrụ ahụ n'usoro iwu nchekwa zuru ụwa ọnụ.
Na-agafe ihe ndabere: CBB82 na Ngwa dị ugbu a
Ọ bụ ezie na ọ dị obere karịa CBB22 ma ọ bụ CBB81, ndị CBB82 na-anọchi anya mmalite mmalite maka mkpa ụfọdụ. CBB82 A na-ahazikarị capacitors maka elu voltaji na elu-ugbu a ngwa usu. Ha na-ekekọrịta elu ntụkwasị obi na obere ọnwụ àgwà ezinụlọ mana emebere ya maka ịrụ ọrụ siri ike karịa na elu-ugboro AC na DC sekit.
A na-ahụkarị ndị a na ndị ọkachamara sekit ọkụ, usoro mgbanye ọkụ, na ngwá ọrụ ebe achọrọ nkenke na ịdịte aka. Igodo nke CBB82's arụmọrụ dabeere na metallization ụkpụrụ na njikọ dị n'etiti ihe nkiri ahụ na ụzọ ndị dị n'èzí (ngwụsị ígwè gbasasịrị). Njikọ siri ike na-achọpụta ESR dị ala (Equivalent Series Resistance), nke dị mkpa maka ibelata mfu ume n'ime elu-ugbu a ndapụta.
Ngwa nke Polypropylene Film Capacitors na sekit ọgbara ọhụrụ
Nke ngwa nke polypropylene capacitors gbatịa anya karịrị Motors. N'ihi ha magburu onwe ugboro àgwà na obere agbagọ, a na-akwanyere ha ùgwù na ụlọ ọrụ ọdịyo. N'ọgwụgwụ audio amplifiers na crossovers, CBB capacitors a na-eji akara ngosi njikọ na nzacha. N'adịghị ka seramiiki capacitors, nke nwere ike iwebata ụda microphonic na mgbagha, polypropylene na-anọpụ iche na egwu egwu.
N'ime ike eletrọnịkị, kpọmkwem na inverter na ihe ntụgharị aghụghọ, ndị a A na-ejikarị capacitors eme ihe maka DC-Link nzacha na snubbing. Ha na-eme dị ka ike buffers, smoothing na ripple na DC voltaji ụgbọ ala. Ikike ha ijikwa elu ripple ugbu a na-enweghị nnukwu ikpo ọkụ na-enye ndị na-emepụta ohere ịmepụta kọmpat, modul ike dị mma maka ụgbọ ala eletrik (EV) na usoro ume ọhụrụ. Ọzọkwa, in analog sekit dị ka integrators na sample-na-jide sekit, na elu mkpuchi iguzogide nke CBB capacitor na-achọpụta na ụgwọ echekwara anaghị apụ apụ, na-echekwa izi ezi nke mgbaama.
Nrụpụta nkenke: Otu ikuku si emetụta ntụkwasị obi
Dị ka emeputa nke winding igwe maka metallized film capacitors, M na-akọwakarị ndị ahịa dị ka Marcus na àgwà nke a capacitor a na-ekpebi ogologo oge tupu etinye ya akara epoxy. Nzọụkwụ dị mkpa bụ winding.
Esemokwu nke ihe nkiri polypropylene metallized dị ka ọ merụrụ n'elu mandrel ga-achịkwa nke ọma. Ọ bụrụ na ọ tọpụrụ oke, oghere ikuku na-adịgide, na-eduga na ionization (corona effect) na ndakpọ oge akaghi aka n'okpuru. elu voltaji. Ọ bụrụ na ọ siri ike, ihe nkiri ahụ na-agbatị, na-agbanwe dielectric ọkpụrụkpụ na ibelata voltaji mmebi. Anyị Igwe ikuku na-akpaghị aka LV-S Series na-eji usoro njikwa esemokwu dị elu iji hụ na nke ọ bụla CBB capacitor emepụtara nwere edo njupụta na capacitance. Ọzọkwa, àgwà nke usoro "spray metal" - ebe a na-efesa zinc ma ọ bụ tin na nsọtụ mpịakọta ọnya ahụ iji jikọta ọkwa ndị ahụ - dị mkpa maka. elu-ugbu a njikwa. Njikọ na-adịghị mma ebe a na-emepụta nguzogide dị elu na okpomọkụ, onye iro nke ọ bụla capacitor.
Otu esi ahọrọ Capacitor ziri ezi maka imewe gị
Ịhọrọ nke capacitor ziri ezi na-agụnye ihe karịrị nanị imekọ ihe ikike uru (a tụrụ na microfarads, µF). Onye injinia kwesịrị ịtụle:
- Ogo voltaji: Họrọ mgbe niile a capacitor ya na a voltaji ọkwa dị elu karịa kacha elu voltaji n'ime gị sekit. Maka AC ngwa, lelee ogo voltaji AC kpọmkwem.
- Ugboro: Ọ bụrụ na-eji na a elu-ugboro sekit (dị ka ọkụ ọkụ na-agbanwe), jiri CBB81 ma ọ bụ ihe yiri ya obere ọnwụ ụdị karịa ọkọlọtọ jeneriki CBBs.
- Ijikwa Pulse: Maka sekit nwere spikes voltaji dị nkọ (dv/dt), hụ na nke ahụ capacitor datasheet na-akọwapụta ike oge ịrị elu pulse dị elu.
- gburugburu: Tụlee okpomọkụ na iru mmiri. Epoxy resin capacitors mechiri emechi na-enye ezigbo nchekwa, mana oke gburugburu nwere ike ịchọ nkeji nke ejiri mechiri emechi.
Site n'ịghọta kpọmkwem njirimara nke CBB61, CBB60, CBB81, na X2 capacitors, injinia nwere ike hụ elu ntụkwasị obi na ogologo ndụ na atụmatụ ha.
Isi ihe eji eme ihe
Nke CBB capacitor bụ nkume nkuku nke oge a eletrọnịkị, na-enye nguzozi nke ịrụ ọrụ na ịdịte aka nke obere ihe ndị ọzọ nwere ike dakọtara.
- Ihe kacha mma: Ihe nkiri polypropylene dị ka dielectric na-enye obere ọnwụ, elu mkpuchi, na ọgwụgwọ onwe ike.
- Ntughari: Site na CBB61 n'ime desktọpụ gị gaa na CBB81 na a elu-voltaji inverter, e nwere variant maka mkpa ọ bụla.
- Nchekwa: X2 capacitors dị mkpa maka mains nzacha na nnabata nchekwa.
- Ntụkwasị obi: Nke usoro winding dị egwu; esemokwu ziri ezi na njikwa ihe na-ekpebi ogologo ndụ nke akụrụngwa.
- Arụmọrụ: Dị mma maka elu ugboro, elu ugbu a, na njikọ ngwa n'ihi ESR dị ala na obere agbagọ.
Maka ndị na-etinye aka na imepụta akụrụngwa ndị a dị mkpa, na-ahụ na ị nwere ihe kacha mma ihe nkiri mejupụtara metallized na akụrụngwa ikuku nke ọma bụ nzọụkwụ mbụ n'ịrụpụta ngwaahịa dị elu.
