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ʻO nā kānana a me nā capacitors DC-link nā mea nui passive no ka ʻōnaehana hoʻololi mana

ʻO ka wehewehe pōkole:

ʻO nā capacitors polypropylene metallized kiʻekiʻe i hoʻokaʻawale ʻia ka mea koho no nā kānana DC he nui, mālama ikehu a me nā noi like no ke kenekulia 21.

 


Huahana Huahana

Huahana Huahana

ʻO nā kānana a me nā capacitors DC-link nā mea nui passive no ka ʻōnaehana hoʻololi mana,
Mea hoʻolako Capacitor maʻamau,

ʻikepili ʻenehana

Laulā wela hana

Max.Operating wela, Topmax:+85 ℃

ʻO ka mahana o luna: +70 ℃

ʻAno wela haʻahaʻa: -40 ℃

kaha kaha

60μF ~750μF

Un/ Ua helu ia Un

450V.DC~1100V.DC

Cap.tol

±5%(J);±10%(K)

E kū i ka uila

Vt-t

1.5Un DC/60S

Vt-c

1000+2×Un/√2V.AC60S(min3000 V.AC)

Ma luna o ka Voltage

1.1Un(30% o ka hoʻouka-dur.)

1.15Un(30min/lā)

1.2Un(5min/lā)

1.3Un(1min/lā)

1.5Un (100ms i kēlā me kēia manawa, 1000 mau manawa i ke ola)

Ka mea hoopau

tgδ≤0.002 f=1000Hz

tgδ0≤0.0002

ʻO ke kūʻokoʻa

Rs×C≥10000S (ma 20 ℃ 100V.DC 60s)

Hoʻopaʻa ahi

UL94V-0

ʻO ke aititude kiʻekiʻe

3500m

Ke piʻi ka kiʻekiʻe ma luna o 3500m a i loko o 5500m, pono e noʻonoʻo i ka hoʻohana ʻana i ka nui i hoʻemi ʻia.

Manaolana ola

100000h(Un; Θhotspot ≤70 °C )

Kūlana kuhikuhi

IEC 61071 ;IEC 61881; IEC 60068

Hiʻona

1. PP Box-type, infusion resin maloʻo;
2. Ke alakaʻi nati keleawe / wili, hoʻonoho ʻia ka uhi palaki i hoʻopaʻa ʻia, maʻalahi ka hoʻokomo ʻana;
3. Ka mana nui, ka liʻiliʻi;
4. Ke kū'ē i ka volta kiʻekiʻe, me ka ho'ōla pono'ī;
5. Kiʻekiʻe ripple o kēia manawa, kiʻekiʻe dv / dt hiki ke kū.
E like me nā huahana CRE ʻē aʻe, ua loaʻa i ka capacitor series ka palapala UL a me ka 100% burn-in hoʻāʻo ʻia.

Palapala noi

1. Hoʻohana nui ʻia ma DC-Link kaapuni no ke kānana ʻana i ka mālama ʻana i ka ikehu;
2. Hiki ke pani i nā capacitors electrolytic, maikaʻi ka hana a me ke ola lōʻihi.
3. Pv inverter, makani mana converter;ʻO kēlā me kēia ʻano o ka hoʻololi alapine a me ka mea hoʻohuli mana;

Manaolana ola

1

kaha kiʻi kiʻi

2ʻO ke koi no ka mālama ʻana i ka ikehu a me nā kumuwaiwai hou e koi i ka hoʻomohala ʻana i nā huahana e like me nā kaʻa uila, nā mea hoʻololi PV, nā mea hana makani.Pono kēia mau huahana i ka DC i AC inverter e hoʻomaopopo i ka ʻōnaehana hana.ʻO nā kānana a me nā capacitors DC-link nā mea nui passive no ka ʻōnaehana mana e hāʻawi me ke kākoʻo i ka pono o ka hoʻonui ʻana i ka mana me nā kaha kiʻekiʻe a me nā au ripple.

Ma ke ʻano he ʻoihana ʻenehana kiʻekiʻe e kū mai ana, he hui R&D mua a me ka hui hana ʻo CRE no nā capacitors kiʻiʻoniʻoni uila, a ua hoʻokumu i nā kikowaena ʻenehana R&D mana me nā keʻena noiʻi kaulana honua.I kēia manawa, ʻoi aku ka nui o ka CRE ma mua o 40 mau mea hana a me nā palapala hoʻohālike ponoʻī a ua komo i ka hoʻomohala ʻana i nā kūlana aupuni a me nā ʻoihana 10, i hōʻoia ʻia me ISO-9001, IATF16949, ISO14001/45001, a me UL.Hoʻolaʻa mākou e hoʻomohala i nā hoa ʻoihana hou aʻe no ka hoʻokele ʻana i ka mana hou.

Nā huahana kaulana ʻo CRE:
① DC-link capacitor
② Kāpena kānana AC
③ Hoʻopaʻa ikehu / Pulse capacitor
④ IGBT snubber
⑤ Ka mana hoʻonā
⑥ Ka capacitor hoʻoluʻu wai


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