Ebe ụgbọ ala bụ otu n'ime ebe kacha sie ike maka ngwa eletrọnịkị. Nke taachaja EVatụmatụ na-abawanye site na ngwa eletrọnịkị nwere mmetụta, gụnyere njikwa eletrọnịkị, infotainment, nghọta, ngwugwu batrị, njikwa batrị,ebe eletriki ụgbọ ala, na chaja nọ n'ụgbọ. Na mgbakwunye na okpomọkụ, voltaji transients, na nnyonye anya electromagnetic (EMI) na gburugburu ụgbọ ala, chaja nọ n'ụgbọ ahụ ga-ejikọta ya na grid ike AC, na-achọ nchebe pụọ na nsogbu eriri AC maka ọrụ a pụrụ ịdabere na ya.
Ndị na-emepụta akụrụngwa nke oge a na-enye ọtụtụ ngwaọrụ maka ichekwa sekit eletrọnịkị. N'ihi njikọ na grid, nchebe n'elu ụgbọ ala site na voltaji na-eji ihe pụrụ iche dị mkpa.
Ngwọta pụrụ iche na-ejikọta SIDACtor na Varistor (SMD ma ọ bụ THT), na-erute voltaji dị ala nke na-ejide ọkụ n'okpuru nnukwu mkpọ ụda. Ngwakọta SIDACtor + MOV na-enyere ndị injinia ụgbọ ala aka ịkwalite nhọrọ ya na ya mere, ọnụ ahịa nke semiconductor ike na nhazi ahụ. Akụkụ ndị a dị mkpa iji gbanwee voltaji AC ka ọ bụrụ voltaji DC iji chajịa ụgbọ alaNchaji batrị n'elu osisi.
Onyonyo 1. On-Board Charger Block Eserese
The On-Boardchaja(OBC) nọ n'ihe ize ndụ n'ogeNchaji EVn'ihi ikpughe ihe omume overvoltage nke nwere ike ime na grid ọkụ. Nhazi ahụ ga-echeberịrị semiconductor ike site na oke oke ọkụ n'ihi na voltaji dị elu karịa oke ha nwere ike imebi ha. Iji gbatịa ntụkwasị obi na ndụ EV, ndị injinia ga-edozirịrị mkpa ọ dị ugbu a na-abawanye ụba yana obere voltaji mbelata kacha na atụmatụ ha.
Ọmụmaatụ isi mmalite nke mgbawa voltaji na-adịru nwa oge gụnyere ihe ndị a:
Mgbanwe nke ibu capacitive
Mgbanwe nke sistemụ voltaji dị ala na sekit resonant
Obere sekit sitere na owuwu ụlọ, ihe mberede okporo ụzọ, ma ọ bụ oké ifufe
Fọs kpalitere na nchedo oke voltaji.
Ọgụgụ 2. akwadoro sekit maka Iche na Common Mode Transient Voltage Circuit Nchekwa Iji MOVs na A GDT.
A 20mm MOV na-ahọrọ maka mma ntụkwasị obi na nchebe. MOV 20mm na-ejikwa 45 pulses nke 6kV / 3kA ịwa ahụ ugbu a, nke siri ike karịa MOV 14mm. Diski 14mm nwere ike ijikwa ihe dị ka ịgbatị 14 n'ime oge ndụ ya.
Onyonyo 3. Arụmọrụ njigide nke obere lnfuse V14P385AUTO MOV N'okpuru 2kV na 4kV Suges. Voltaji na-akụdo gafere 1000V.
Mkpebi nhọrọ ihe atụ
Ọkwa 1 chaja— 120VAC, sekit otu nkeji: Ọnọdụ okpomọkụ a na-atụ anya bụ 100°C.
Iji mụtakwuo maka iji SIDACt ma ọ bụ Nchekwa Thyristors naugbo ala eletrik, budata Otu esi ahọrọ Nchedo Nleba anya kacha mma maka ndetu ngwa EV On-Board Chargers, site n'ikike nke Little fuse, Inc.
Oge nzipu: Jan-18-2024