Ogo kọlụm ga-enwekarị mmasị ma na-enwekarị nchegbu site na nnukwu ndị ahịa ọhụrụ!
Ihe ndị a bụ nkọwa dị mkpa maka oke ọrụ dị mkpa:
mkpuchi ihe Nguzogide ma ọ bụ IR dị ka aha ahụ na-egosi bụ nguzogide nke
mkpuchi ihe. IR na-echebe ngwa eletriki site na obere elekere. IR ụkpụrụ
n'ozuzu ha dị oke elu na nso nso nke Mega-ohm ma ọ bụ Mohm.
Ọnụ ọgụgụ dị ala na-adabere ma dielectric bụ Klas 1 ma ọ bụ Klas 2. A seramiiki
capacitor (ọkachasị klaasị 2) na - enwekarị ihe mgbasasị dị elu, ọnụọgụ dị elu nke dissip.
Ihe mgbasa (tan δ):ma ọ bụ DF a kọwara dị ka ruru nke ESR na capacitive reactance. Ọ bụ
ihe nkochapu a makwaara dika ntughari nke nkuku nfu ma na-egosiputa na pasent.
Standardskpụrụ a ma ama na-egosipụta ihe nkwụsị na ugboro ole dịkarị 120Hz maka Aluminom
electrolytic na Tantalum capacitors ma maka ihe nkiri capacitors bụ 1 kHz na 1 MHz maka seramiiki capacitors.
Dischụpụ akụkụ (PD): ma ọ bụ mgbapu eletriki na-ejikọ obere akụkụ nke ihe mkpuchi ahụ
n'etiti abụọ na-eduzi electrodes.PD nwere ike ime n'oge ọ bụla na sistemụ mkpuchi, ebe mpaghara ọkụ eletrik
ike karie ike mgbakasị akụkụ ahụ nke mkpuchi ihe.PD nwere ike ime na voids n'ime
ihe mkpuchi siri ike, n’ofe ala nke ihe nnochi n’ihi ihe mmeru ma obu mmebi, n’abulu
na mmiri mkpuchi ma ọ bụ gburugburu electrode na gas (ọrụ corona).
Ihe Dielectric:
|
Leta leta (okpomoku di ala) |
Digit (elu temp) |
Akwụkwọ Ozi (mgbanwe) |
|
X = -55 ° C (-67 ° F) |
2 = + 45 ° C (+ 113 Celsius F) |
E = ± 4.7% |
|
Y = -30 Celsius (−22 ° F) |
4 = + 65 ° C (+ 149 Celsius F) |
F = ± 7.5% |
|
Z = + 10 ° C (+ 50 Celsius F) |
5 = + 85 ° C (+ 185 Celsius F) |
P = ± 10% |
|
|
6 = + 105 ° C (+ 221 ° F) |
R = ± 15% |
|
|
7 = + 125 ° C (+ 257 ° F) |
S = ± 22% |
|
|
8 = + 150 ° C (+ 302 ° F) |
T = + 22 ka −33% |
|
|
|
U = + 22 ka −56% |
|
|
|
V = + 22 ka −82% |
Dịka ọmụmaatụ, onye na-arụ ọrụ Z5U ga-arụ ọrụ site na +10 Celsius C ruo + 85 Celsius C na mgbanwe ntụgharị nke kachasị + 22% na -56%. Onye na-arụ ọrụ X7R ga-arụ ọrụ site na -55 Celsius C ruo + 125 Celsius C na mgbanwe ntụgharị nke kachasị ± 15%
HVC si N4700 Dielectric Ihe: yiri ụlọ ọrụ ndị ọzọ, electroceramics na-ekpebi ihe bụ isi
nke okpu. HVC nọrọ afọ 3 na nde $ iji mepụta strontium titanate patented, nke bụ ụdị N4700.
Ihe N4700 na-enye ihe ngosi di elu di elu nke oma, magburu onwe ya nnukwu mkpuchi ihe na obere mgbasa
ihe kpatara ya na nnukwu ndu ogologo rue 20 afọ.
Nkọwapụta Nka na ụzụ:
Iji mee ka ndị ahịa mara ihe HVC na miri emi, anyị na-egosi nkọwapụta nkọwapụta nke HVC iji atụnyere ndị dị iche
ika site na Europe na North Amercia.
Amercian Amara E *****
na-enye naanị ihe mkpuchi seramiiki, na-enye otu ihe ihe ọkụkụ nke HVC nke X5F.
Ihe nyocha gbasara X5F bu 1.5%;
HVC si X5F akụrụngwa nwere ike ịbụ ihe mgbasara ihe bara uru bara uru na 1%.
Ihe ngosi Maximun Voltage na katalọgụ 30Kv, 2200pf;
Ihe ngosi HVC na katalọgụ (imepụta oge) 50Kv, 3300pf.
Nnwale ọkụ Flash nke 130% nke Volted ọkụ, dị ka 30Kv, nnwale ọkụ bụ 40KvDc.
HVC si dielectric ike nwere ike ịbụ 150% ka 200%, pụtara mgbe na-ekwu gosiri voltaji 30Kv, flash ule nwere ike idi
45Kv ka 60KvDc.
Njirimara nke okpomoku: (NP0 rue Z5U)
HVC si na odide doro anya: (N4700, Y5T, Y5U)
European Brand G ******:
na-enye naanị doorknob capacitor.
10Kv max capacitance 8000pf, ebe HVC bụ otu 8000pf, otu ụdị N4700;
20kv max capacitance 4000pf, ebe HVC nwere ike ịbụ 10000pf;
30kv max capacitance 2700pf, ebe HVC nwere ike ịbụ 3300pf;
40kv max capacitance 2000pf, ebe HVC bụ otu 2000pf;
50kv max capacitance 1700pf, ebe HVC nwere ike ịbụ 15000pf (Y5V) na 5000pf (Y5T).
G ******:jiri N4700 ihe, Factation Factor bụrụ 0.3% max, ebe HVC nọ n'akụkụ 0.1% mgbe ọ bụla adịghị elu
karịa 0.2%
G ******:Mkpuchi mmegide 10,000mOhm (N4700) min, ebe HVC oge kachasị nwere ike ịbụ 200,000mOhm (N4700) min.
American Mara mma ika ** **:
na-enye naanị ọnụ ụzọ doorbit, iji mee ihe na ahịa North Amercian.
Amaghị ihe dielectric ihe, uru ihe mgbawa ga-abụ X XXX%, ebe HVC na-eji N0.5 dielectric
ihe onwunwe, ihe na-akpata mgbasa bụ naanị 0.1% ka 0.2%, oge kachasị 0.1% naanị.
North America ama ama mara H **:
A na-ere ya na North America, Russia, Japan wdg
capacitor na ụzọ iku capacitor.
Maka okpu seramiiki, naanị Y5P, Y5U dieletric material dị, ndị ahụ anaghị enye ezigbo ọnụọgụ ọkụ, ebe
HVC na-enye N4700 maka okpu mkpuchi seramiiki.
Kachasi voltaji capacitance nnweta, H *** ihe ngosi bu 20Kv 4700pf (Y5U), ebe HVC na enye 50KV 3300pf (Y5T).
Mgbochi isulation bụ min 1000mOhm, ebe HVC's IR nwere ike ịbụ 10 000mOhm
Ihe nkwụsị bụ 5% max (Y5P), ebe HVC kacha DF bụ 2% (Y5U, Y5V)
European Brand M *****:
World ama ụlọ ọrụ, na-enye ụzọ knob capacitor dị iche iche iche, dieletric ihe onwunwe na Y5U na
N4700 level.This nnukwu aha ngwaahịa nnọọ nchegbu ele mmadụ anya n'ihu orùrù uru, ha ihe nwere ike ịbụ nnọọ ala pc na gosiri
AC voltaji, Ọ bụ ezie na HVC na-enye otu ọkwa ogo dị ala nke PC dị ala.
Ele mmadụ anya n'ihu uru ịbụ <5pC @ AC gosiri Voltage .nke HVC nwere ike ịbụ otu <5pC na ọnọdụ yiri ya.
N4700 ihe nwere mkpuchi mkpuchi> = 1011ohm, Ezie na HVC nke aka ya N4700 ihe abuo, min 2x1011ohm
Japanese World ama amara T **:
Onye nrụpụta ihe a bụ onye nrụpụta ihe mebere ụwa, yana ọtụtụ ụdị mmepụta ihe dị iche iche
osisi na uwa, ha na emeputa ihe nkpu uzo, ma cheputa ihe nke seramiiki
be Z5T, Y5P and Y5S, ndị ahụ bụ naanị soso coefficients, ha enweghị N4700 ihe larịị, nke
enye elu ugboro na elu dielectric ike ọrụ. Ọbụna Y5S bụ ụdị ihe dị iche iche na-abụghị PB n'efu.
Ma rube isi naRoHS “Ntụziaka EU 2002 / 95 / EC, onye isi, cadmium, mercury, chromium, na ha.
bromine nke gbakwunyere n’ọkụ, PBB na PBDE,ejighi ya, belụsọ maka ngwa anaghị agụ”Maka elu
ngwa voltaji, ekwesighi iburu onye nweere onwe ya. Kasị ukwuu
voltaji capacitance ọnụego naanị 50kv 2100pf, ma pụrụ ịhụ 20kvAC 1080p, a 20kvAC nwere ike Olee ihe enyemaka hà 80kvDC.
Mgbe HVC nwere ike ime 150kvDc (50kvAC), ihe 800pf, anyị HVC nwere ikike nrụpụta dị elu maka ngwa ngwụcha dị elu.
Mgbochi mkpuchi bụ 100,000mOhm min, ebe HVC si max IR bụ okpukpu abụọ, min na 200,000mOhm.
Tụnyere ọnụahịa maka HVC na ndị ọzọ:
Si n'elu anyị maara HVC si ogo larịị bụ nnọọ elu, anyị bụ otu ndị otu àgwà larịị nke ụwa ma ama ika
Vishay, TDK, Murata, Morgan wdg… Ma anyị ji n'aka na 20% na 30% ala na-eri ke ofụri ofụri.
Ntụnyere ndu maka HVC na ndị ọzọ:
VCkpụrụ HVC na-ebute ụzọ maka ụzọ mmechi ụzọ bụ ụbọchị 60 (izu 8), ebe ọ na-adịkarị mkpa ụdị dị elu
14 izu.
Tụnyere mgbanwe mgbanwe maka HVC na ndị ọzọ:
HVC capacitor na-enyekwa ụdị ngwa ọrụ mgbanwe, dịka ndị ahịa GIS (Gas Insulated Switchgear), ha
-emekarị mkpa a nta size nke elu okpu, anyị offernon-encapsulation okpu izute nlezianya chọrọ. Mgbe
ọzọ emeputa adịghị mgbanwe dị ka anyị, ma ọ bụ na-arịọ maka ezi nnukwu MOQ.
