QUALITY Chigawocho chidzakhala chokhudzidwa kwambiri ndipo makamaka chikudera nkhawa ndi makasitomala atsopano!
Zotsatirazi mafotokozedwe chachikulu magawo zofunika luso:
kutchinjiriza fundo kapena IR monga dzina limasonyezera kuti kukana kwa
kutchinjiriza. IR imateteza zida zamagetsi kufupi ndi dera. IR mfundo
Nthawi zambiri amakhala okwera kwambiri mu Mega-ohm kapena Mohm.
kutentha koyefishienti zimatengera ngati dielectric ndi Class 1 kapena Class 2. A ceramic
capacitor (makamaka gulu 2) nthawi zambiri imakhala ndi chiwonetsero chazambiri, kuchuluka kwapafupipafupi kwachidziwitso.
Kutaya chinthu (tan δ):kapena DF imatanthauzidwa ngati kuchuluka kwa ESR ndi capacitive reactance. Ndi fayilo ya
chiwonongeko chimadziwikanso kuti chosokonekera cha kotayika ndipo chimafotokozedwera peresenti.
Miyezo yodziwika imawonetsa kutaya kwamtundu pamafupipafupi 120Hz a Aluminium
ma electrolytic ndi Tantalum capacitors pomwe ma film capacitors ndi 1 kHz ndi 1 MHz yama ceramic capacitors.
Kutaya kwapadera (PD): ndi kutuluka kwa magetsi kapena ntchentche yomwe imalumikiza gawo laling'ono
awiri kuchititsa electrodes.PD angayambe pamalo alionse dongosolo kutchinjiriza, kumene kumunda magetsi
mphamvu kuposa kusokonezeka mphamvu ya gawo la chimateteza material.PD angayambe voids mkati
kutchinjiriza olimba, kudutsa pamwamba pa chimateteza zakuthupi chifukwa Mankhwala oipitsa kapena monyanyira, mwa thovu mpweya
mu kutchinjiriza madzi kapena mozungulira elekitirodi mu mpweya (kuŵala kwa m'mlengalenga ntchito).
Dielectric Zofunika:
|
Kalata (yotsika temp) |
Digit (mkulu wa temp temp) |
Letter (kusintha) |
|
X = -55 ° C (-67 ° F) |
2 = +45 ° C (+113 ° F) |
E = ± 4.7% |
|
Y = -30 ° C (-22 ° F) |
4 = +65 ° C (+149 ° F) |
F = ± 7.5% |
|
Z = +10 ° C (+50 ° F) |
5 = +85 ° C (+185 ° F) |
P = ± 10% |
|
|
6 = + 105 ° C (+221 ° F) |
R = ± 15% |
|
|
7 = + 125 ° C (+257 ° F) |
S = ± 22% |
|
|
8 = + 150 ° C (+302 ° F) |
T = +22 mpaka -33% |
|
|
|
U = +22 mpaka 56% |
|
|
|
V = +22 mpaka -82% |
Mwachitsanzo, Z5U capacitor idzagwira ntchito kuyambira +10 ° C mpaka +85 ° C ndikusintha kwamphamvu kwa pafupifupi 22% mpaka −56%. X7R capacitor imagwira ntchito kuchokera pa -55 ° C mpaka +125 ° C ndikusintha kwamphamvu kwambiri ± 15%
Zida zamagetsi za HVC za N4700: ofanana ndi kampani ina, ma electroceramics amadziwika kuti ndi gawo lalikulu
za zisoti. HVC imagwiritsa ntchito zaka 3 ndi mamiliyoni a madola kuti ipange strontium titanate, yomwe ndi mtundu wa N4700.
Zinthu za N4700 zimapereka mawonekedwe abwino kwambiri, kutchinjiriza kwakukulu komanso kutaya pang'ono
moyo ndiutali wautali kwa zaka 20.
Luso mfundo Kuyerekezera:
Kuti tiwadziwitse makasitomala za HVC mwakuya, tikuwonetsa ukadaulo wa HVC poyerekeza ndi zomwe zidalipo kale
mtundu ku Europe ndi North Amercia.
Amercian Brand E *****
perekani zipewa za ceramic zokha, zimapereka chimodzimodzi ku ma dielectric zakuthupi X5F.
Chotsalira cha X5F ndi 1.5%;
Gawo la HVC la X5F limatha kukhala Dissipation Factor value mpaka 1%.
Maximun Voteji bwanji pa m'ndandanda 30Kv, 2200pf;
Chiwonetsero cha HVC pa katalog (kupanga pafupipafupi) 50Kv, 3300pf.
Kung'anima Kuyesedwa 130% ya chovoteledwa Chenjerani ndi galu, ngati 30Kv, kung'anima mayeso kukhala 40KvDc.
Mphamvu za ma dielectric a HVC zitha kukhala 150% mpaka 200%, kutanthauza kuti ponena kuti voteji amawerengedwa kukhala 30Kv, kuyesa kungayime
45Kv kuti 60KvDc.
Kutentha makhalidwe: (NP0 kuti Z5U)
Makhalidwe abwino a HVC :(N4700, Y5T, Y5U)
European Brand G ******:
perekani kogwiritsira ntchito kogogoda kokha.
10Kv Max capacitance 8000pf, pamene HVC kukhala chomwecho 8000pf, yemweyo N4700 mtundu chuma;
20kv Max capacitance 4000pf, pamene HVC kungakhale 10000pf;
30kv Max capacitance 2700pf, pamene HVC kungakhale 3300pf;
40kv Max capacitance 2000pf, pamene HVC kukhala chomwecho 2000pf;
50kv Max capacitance 1700pf, pamene HVC kungakhale 15000pf (Y5V) ndi 5000pf (Y5T).
G ******:gwiritsani ntchito zida za N4700, Kutaya kwapadera kukhala 0.3% max, pamene HVC nthawizonse imakhala pafupi 0.1% ndipo isanakwere konse
kuposa 0.2%
G ******:Kutsekemera kutsutsana 10,000mOhm (N4700) min, pamene HVC nthawi zambiri ikhoza kukhala 200,000mOhm (N4700) min.
American Popular Brand H **:
perekani chitseko cha capacitor pakhomo pokha, kugwiritsiridwa ntchito mwanyengo ku msika wa North America.
Osadziwa zinthu dielectric, dissipation chinthu kufunika kukhala Max 0.5%, pamene HVC majorly ntchito N4700 dielectric
chuma, dissipation chinthu kokha 0.1% kuti 0.2% ambiri nthawi 0.1% okha.
North America Yotchuka Brand H **:
amagulitsidwa ku North America, Russia, Japan ndi zina zambiri
capacitor ndi kachingwe kolowera capacitor.
Pazisoti za ceramic disc, zokha Y5P, Y5U zakuthupi zomwe zilipo, zomwe sizimapereka kutentha koyenera, pomwe
HVC kupereka N4700 kwa zisoti ceramic chimbale.
Ma voltage apamwamba kwambiri kupezeka, H *** chiwonetsero ndi 20Kv 4700pf (Y5U), pomwe HVC imapereka 50KV 3300pf (Y5T).
Kukaniza kwamphamvu ndi mphindi 1000mOhm, pomwe HVC's IR ikhoza kukhala 10 000mOhm
Kutha kwake ndi 5% max (Y5P), pomwe ma HF a DF amakhala 2% (Y5U, Y5V)
European Brand M *****:
Kampani yotchuka padziko lonse lapansi, imapereka chitseko chitseko pamakomo osiyanasiyana, ma dieletric mu Y5U ndi
Mankhwalawa dzina lalikulu limakhudza kwambiri kutaya pang'ono, chinthu chawo chitha kukhala pc yotsika kwambiri
AC voltage, Pomwe HVC imapereka mtundu wofanana kwambiri wa pC yotsika.
Kutulutsa kwakanthawi kochepa kukhala <5pC @ AC idavoteraVoltage.Pomwe HVC itha kukhala yofanana <5pC momwemonso.
N4700 zakuthupi ndi zotetezera kutentha fundo> = 1011ohm, Pomwe zida za HVC za N4700 zikhale zowirikiza, min 2x1011ohm
YAM'MBUYO YOTSATIRA:
wopanga uyu ndi gulu lapadziko lonse lapansi lopanga zida zosiyana siyana, ndi zosiyana kwambiri zopangidwa
Chomera padziko lapansi, amapanganso chitseko chazitseko, ndikupanga zida zawo za ceramic
khalani Z5T, Y5P ndi Y5S, onsewo ndi soso coefficients, alibe gawo la N4700, lomwe
kupereka pafupipafupi ndi mkulu dielectric mphamvu ntchito. Ngakhale Y5S yochulukirapo ndi mitundu yazinthu zopanda PB zaulere.
Koma tsatiraniRoHS "EU Directive 2002 / 95 / EC, lead, cadmium, mercury, hexavalent chromium, ndi
mabakiteriya otentha a bromine, PBB ndi PBDE,sanagwiritsidwe ntchito, kupatulapo pempho lopempha”Chapamwamba
Kugwiritsa ntchito magetsi, sikuyenera kutsogozedwa ndiulere Koma osatsogolera chinthu chaulere sichingagwirizane ndi kasitomala wina wamkulu. Chachikulu kwambiri
voliyumu yama capacitance okha 50kv 2100pf, koma amatha kuwona 20kvAC 1080p, 20kvAC iyi imatha kukhala yofanana ndi 80kvDC.
Pomwe HVC tsopano ikutha kupanga 150kvDc (50kvAC), chinthu cha 800pf, ife a HVC tili ndi kuthekera kopanga kwambiri kogwiritsa ntchito kumapeto.
Kukaniza Kutchinjiriza kukhala 100,000mOhm min, pomwe HVC ya max IR ndi iwiri, min mu 200,000mOhm.
Price Kuyerekezera kwa HVC ndi Ena:
Kuchokera pamwambapa tikudziwa kuti mulingo wa HVC ndiwokwera kwambiri, tili m'gulu lomweli la mtundu wodziwika padziko lonse lapansi
Vishay, TDK, Murata, Morgan ndi ena ... Ndipo tikutsimikiza mu 20% mpaka 30% yotsika mtengo wamba.
Leadtime Kuyerekezera kwa HVC ndi Ena:
Nthawi yoyendetsera kupanga ya HVC yokhotakhota khomo ikhale masiku 60 (masabata 8), pomwe mitundu yayikulu kwambiri imafunikira
Masabata a 14.
Kusinthasintha Kuyerekezera kwa HVC ndi Ena:
Capacitor ya HVC imaperekanso mtundu wamagulu osinthika, monga kasitomala wa GIS (Gas Insulated switchgear), iwo
Nthawi zambiri timafunikira kapu yaying'ono, timagwiritsa ntchito kapu kuti tikwaniritse zofunikira. Pomwe
wopanga ena osasintha monga ife, kapena funsani MOQ yayikulu.
