e like ai he mea nui loa ka makemake o ka poʻomanaʻo aʻo ka mea nui e hopohopo e ka mea kūʻai hou maoli!
E hahai ana ua nui wehewehe no ka mea, nui oaoieei-kiko'î:
'īpale e kū'ē'ē mai aiʻole IR paha e like me ka inoa i hōʻikeʻiaʻo ke kū'ē
ka hookaawale. Pale maoli ʻo IR i nā pono uila mai ke kaʻa pōkole. Nā helu IR
kiʻekiʻe loa i ka pae o Mega-ohm a i ʻole Mohm.
mahana Coefficient kaukaʻi ʻia i ka dielectric ka papa 1 a i ʻole ka papa 2. A ceramic
capacitor (ʻo ia hoʻi ka papa 2) he mea nui ka dissipation factor, coefficient alapine kiʻekiʻe o ka hoʻolilo ʻia.
Mea hoʻoneʻe (tan δ):a i ʻole DF i wehewehe ʻia e like me ka lakio o ka ESR a me ka capacitive reactance. ʻO ia ka
ʻike ʻia ka mea dissipation ma ke ʻano he tangent o ka ʻaoʻao lilo a hōʻike pinepine ʻia i ka pākēneka.
Hōʻike nā pae i ʻike ʻia i ka mea dissipation ma nā alapine kikoʻī maʻamau 120Hz no Aluminium
electrolytic a me nā Tantalum capacitor ʻoiai no nā capacitor kiʻiʻoniʻoni ʻo 1 kHz a me 1 MHz no nā capacitor pālolo.
Māhele Hoʻolaha Hoʻolaha (PD): He hoʻolele'iliala paha a iʻole ka'ālohilohi e kaula i kahi hapa liʻiliʻi o ka uhi
ma waena o 'elua e mālama nei electrodes.PD ke'ākoʻakoʻa, ma kekahi wahi i loko o ka'īpale nenoaiu, kahi a ka uila kula
ikaika aku i ka breakdown ikaika o kela hapa o ka insulating material.PD ke'ākoʻakoʻa ma voids maloko
paa'īpale, i kela aoao o ka ili o ka insulating mea aie i contaminants a paewaewa, i loko o ke kinoea Oe
ma ke kinowai'īpale a puni ka'ūholo uila i loko o ke kinoea (corona ha awina).
Dielectric Material:
|
Palapala (haʻahaʻa wāwae) |
ʻIke (kiʻekiʻe kiʻekiʻe) |
Palapala (hoʻololi) |
|
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 a −33% |
|
|
|
U = +22 a −56% |
|
|
|
V = +22 a −82% |
ʻO kahi laʻana, e hana ka mea capacitor Z5U mai +10 ° C a i + 85 ° C me ka loli capacitance ma kahi o + 22% a −56%. E hana kahi capacitor X7R mai −55 ° C a i +125 ° C me ka loli capacitance ma ka hapanui o ka ± 15%
Nā Pono Dielectric o HVC o N4700: like me ka hui ʻē aʻe, hoʻoholo ka electroceramics i ka hiʻohiʻona nui
o nā pāpale. Hoʻolilo ʻo HVC i 3 mau makahiki a me miliona o $ e hoʻolālā i ka strontium titanate patent, ʻo ia ka ʻano N4700. ʻO kēia
Hāʻawi nā mea N4700 i kahi hiʻohiʻona frequence maikaʻi maikaʻi loa, kūʻē kūpale nui maikaʻi loa a me ka liʻiliʻi liʻiliʻi
ka nui a me ke ola lōʻihi loa i nā makahiki 20.
E noa ka hoakaka Hoʻohālikelike:
E hoʻomaopopo i ka poʻe kūʻai aku i ka mea a ka HVC i ka hohonu, hōʻike mākou i ka wehewehe kikoʻī o HVC e hoʻohālikelike me nā ʻano like ʻole
momoku ahi, mai Europa a me Akau Amercia.
Amercian Brand E *****
hāʻawi wale i nā pāpale pālolo keramika, hāʻawi like i ka mea dielectric o ka HVC X5F.
ʻO Dissipation Factor no X5F ka 1.5%;
Hiki i ka māhele X5F a HVC ke lilo i waiwai waiwai i 1%.
Maximun anakahi uila hōʻike ma Kahua 30Kv, 2200pf;
Hōʻike a HVC ma ka papa inoa (hana maʻamau) 50Kv, 3300pf.
Flash ho'āʻo 130% o Loipālākiō anakahi uila, e like me 30Kv, a ua lalapa ho'āʻo e 40KvDc.
Hiki i ka ikaika dielectric o HVC ke lilo i 150% a i ka 200%, ʻo ia hoʻi ʻoiai e ʻōlelo ana i ka uila i 30Kv, hiki i nā hoʻokolohua uila ke kūʻē.
45Kv ke 60KvDc.
Mahana ano: (NP0 i Z5U)
Nā ʻano temperate o HVC :(N4700, Y5T, Y5U)
Europa Brand G ******:
e hāʻawi wale i ka mea hiki ke hoʻokaniʻia.
10Kv max capacitance 8000pf, oiai HVC e hookahi 8000pf, hookahi N4700 type mea;
20kv max capacitance 4000pf, oiai HVC hiki ia 10000pf;
30kv max capacitance 2700pf, oiai HVC hiki ia 3300pf;
40kv max capacitance 2000pf, oiai HVC e hookahi 2000pf;
50kv max capacitance 1700pf, oiai HVC hiki ia 15000pf (Y5V) a 5000pf (Y5T).
G ******:hoʻohana i kaʻenehana N4700, Dentipation Factor i 0.3% max,ʻoiai ka HVC e mau ana a puni ka 0.1% aʻaʻole kiʻekiʻe loa
mamua o 0.2%
G ******:ʻO ke kūʻana o ka ikaika 10,000mOhm (N4700) min,ʻoiaiʻo HVC ka manawa nui ke hiki iā 200,000mOhm (N4700) min.
Hawaiian Popular Brand H **:
Hāʻawi waleʻia ka puʻupuʻu knob, hoʻohana waleʻia ma ka mākele o North Amercian.
I ike i ka dielectric mea, dissipation ololi waiwai e max 0.5%, oiai HVC majorly hoʻohana N4700 dielectric
mea, dissipation ololi e wale 0.1% i 0.2%, nui ka manawa 0.1% wale.
Hawaiian H **:
kūʻai ākea ʻia ma ʻAmelike ʻĀkau, Rusia, Iapana a me nā mea ʻē aʻe
capacitor a me ka pihi pihi capacitor.
No nā pāpale disikika pālolo, ʻo Y5P wale nō, loaʻa nā mea dieletric Y5U, ʻaʻole maikaʻi kēlā mau mea hāʻawi, ʻoiai ʻo
HVC kaumaha N4700 no ka pālolo iwi kuamoʻo papale.
Loaʻa ka capacitance voltage ʻoi loa, H *** hōʻike he 20Kv 4700pf (Y5U), ʻoiai ʻo HVC e hāʻawi nei iā 50KV 3300pf (Y5T).
ʻO ke kūpaʻa isulation he min 1000mOhm, ʻoiai ʻo IRC o IRC hiki ke lilo i 10 000mOhm
ʻO 5% max (Y5P) ke kumu o ka hoʻopau ʻana, ʻoiai ʻo ka max DF o ka HVC he 2% (Y5U, Y5V)
Hawaiian M *****:
ʻO ka hui kaulana o ka honua, hāʻawi i ka capacitor key knob i ka laulā ʻokoʻa, nā mea dieletric ma Y5U a
N4700 pae. ʻO ka huahana a ka inoa nui e hopohopo nui nei i ka waiwai hoʻokuʻu hapa, hiki i kā lākou mea ke haʻahaʻa haʻahaʻa pc ma ka helu ʻia
Volta AC, ʻoiai hāʻawi ʻo HVC i kahi pae like like o ka haʻahaʻa pC.
ʻO ka hoʻoiho hoʻohele hapa e <5pC @ AC Loipālāki ʻia. ʻOiai he like ka HVC <5pC ma ke ʻano like.
N4700 mea me ka Pale Pale> = 1011ohm, ʻOiai he mea pālua ko ka HVC ponoʻī N4700, min 2x1011ohm
Ka Honua Kepani Nui Kūʻokoʻa I **:
ʻO kēia mea hana hoʻolaha ka mea hoʻolaha papahana passive o ka honua, me ka nui o nā hana likeʻole
mea kanu i ka honua, hana pū lākou i ka capacitor key knob, a hana i kā lākou mea pono ponoʻī
e Z5T, Y5P a me Y5S, kēlā mau mea a me nā pāʻālua mahana soso wale nō, ʻaʻohe o lākou N4700 pae pae, a
hāʻawi i ke alapine kiʻekiʻe a me ka hana dielectric ikaika kiʻekiʻe. ʻOi aku ka nui o ka Y5S ʻano like ʻole me ka manuahi PB.
Akā mālama iāRoHS “Ka EU Directive 2002 / 95 / EC, alakaʻi, cadmium, mercury, chromium hexavalent, a me kahi kiko'ī
nā pale liliʻana o ka pahi bromine, PBB a me PBDE,ʻaʻole hoʻohanaʻia, koe wale no nā noi i hoʻokuʻuʻia”No ke kiʻekiʻe
noi uila, ʻaʻole pono e alakaʻi manuahi ʻia. Akā ʻaʻole hiki ke alakaʻi manuahi mea i accpet e kekahi mea kūʻai aku koʻikoʻi. Nui loa
50kv 2100pf wale nō ka helu capacitance voltage, akā hiki ke ʻike iā 20kvAC 1080p, hiki i kēia 20kvAC ke like me 80kvDC.
ʻOiai hiki i ka HVC ke hana i kēia manawa i ka 150kvDc (50kvAC), 800pf mea, he kiʻekiʻe kiʻekiʻe aʻe kā mākou HVC no ka noi kiʻekiʻe loa.
ʻO ke kūpale hoʻohiehie he 100,000mOhm min, ʻoiai he pālua ka max IRC o ka HVC, he min i 200,000mOhm.
Price Hoʻohālikelike no ka mea, HVC, a me kekahi poe;
Mai luna mai ʻike mākou he kiʻekiʻe loa ka pae kiʻekiʻe o ka HVC, aia mākou i waena o ka pae kiʻekiʻe like o ka inoa kaulana honua
ʻO Vishay, TDK, Murata, Morgan a me nā mea ʻē aʻe ... A paʻa mākou i ka 20% a i ka 30% o ke kumu kūʻai haʻahaʻa ma ka laulā.
Leadtime Hoʻohālikelike no ka mea, HVC, a me kekahi poe;
ʻO ka manawa alakaʻi o HVC i ka manawa alakaʻi no ka capacitor key knob i 60 mau lā (8 mau pule), ʻoiai e pono ai nā māka kiʻekiʻe
Nā wiki 14.
Kohoʻia Hoʻohālikelike no ka mea, HVC, a me kekahi poe;
Hāʻawi pū ka capacitor o HVC i kahi ʻāpana palupalu, e like me ka mea kūʻai aku ʻo GIS (Gas Insulated Switchgear), ʻo lākou
IeAUPIIe, IAa IO pono i ka uuku nui o ka kiʻekiʻe chap, mākou offernon-encapsulation papale e hālāwai ikaika koi. ʻOiai
ʻaʻole hana maʻalahi kahi mea hana e like me mākou, a noi paha no MOQ nui loa.
