A na-enyocha ahịa chaja na-ekpo ọkụ na CRAG nke 2213 site na 2023 na nyocha (2023), na-achọ ka ụgbọ eletrik na-elekwasị anya na obere elektrọnik. Agbanyeghị, ndagide electromagnetic (EMI) ka bụ ihe ịma aka dị oke mkpa, yana 68% nke ọdịda na-enweghị ike na-adịghị mma maka njikwa Emi na-adịghị mma (IEEET na ike Emi na Eletrọnis, 2022). Isiokwu a na-ekpughe atụmatụ a na-eme ihe iji lụso EMI mgbe ọ na-eme ihe ọma.
1. Inwe nghọta mmalite EMI na chaja ngwa ngwa
1.1 na-agbanwe agbanwe ugboro
Gan nke ọgbara ọhụrụ (Gallium nitride) Chargers na-arụ ọrụ ugboro ugboro karịa 1 mhz, na-ewepụta njikọ nzuzo ruo 30th. Nrụpụta MIT 2024 kpughere na 65% nke Emi Emissions sitere na:
•Mospet / Igweb na-agbanwegharị site na (42%)
•Ntinye-Core (30%)
•Pcb rọrọ PCB (18%)
1.2 radiated vs. duzie EMI
•Radio EMI: Ọnụ ọgụgụ dị na 200-500 MHz (FCC Class B Oke: ≤40 DBμV / M @ 3m)
•EduziEMI: Phical na 150 khz-30 mhz (CispR 3)
2. Cu na usoro
2.1 ọtụtụ ihe dị ọtụtụ
Akụkụ atọ na-enye akara dị iche iche 40-60 DB:
• Nnọọ nchekwa dị iche iche:Ferrite beads na DC-DC Ihe Ntụgharị (na-ebelata mkpọtụ site na 15-20 DB)
• nwere eriri ọgbụgba:Mpempe akwụkwọ na-eche ihe mejupụtara canlọs (mgbochi 85% nke dị nso
• Mkpokọta nke usoro:Mu-ọla na-eduzi gasketgets (Achịcha: 30 DB @ 1 GHz)
2.2 Advance dị elu nzatọ
• Nchọpụta dị iche iche dị iche iche:Nhazi LC - RC nhazi (80% mkpọtụ mkpọtụ @ 100 khz)
• chokes na-ahụkarị:Nanocrystalline cores na> 90% permeablity njigide na 100 Celsius C
• Nkagbu AMI na-arụsi ọrụ ike:Ezigbo oge nzacha (na-ebelata akụkụ nke 40%)
3. Chepụta usoro njikarịcha
3.1 PCB okirikiri kachasị mma
• Ọnọdụ dị egwu:Nọgide na-emegharị oghere dị iche iche n'etiti ike na ahịrị akara
• Ebe Ejiji Plane:Igwe 4-oyi akwa na <2 mt enweghị ike (na-ebelata ala na 35%)
• Site na stitch:0,5 mm Pitch Via na-eme gburugburu elu-Di / DT
3.2 Urmal-EMI Cost
Igwe ikuku na-egosi:
4. Mgbakwunye & Nnwale Nnwale
4.1 Ilele Nnwale Nnwale
• Nnyocha dị nso:Na-achọpụta ndị na-eme mkpọtụ na mkpebi nke MM
• Oge na-ekpo ụka:Ndị na-enweghị ike ime ihe na-enweghị isi
• ngwanrọ EMC:ASSY HFSS Simislus Shockelus Lab Lab na-ewepụta n'ime ± 3 DB
4.2 Asambodo Asambodo Global Global
• FCC Part 15 Footpart B:Mandates <48 dbμv / m radiers (30-1000 mhz)
• CispR 32 klas 3:Chọrọ 6 db ala dị ala karịa klaasị b na gburugburu ụlọ ọrụ
• Mil-Std-461g:Nkọwapụta nke klas maka sistemụ nchaji na ntinye aka
5. Ngwọta Na-apụta
5.1 meta-na-abịa
Ihe osise eserese na-egosi:
•Izu oke nke 97% na 2.45 GHZ
•0,5 mm ọkpụrụkpụ na 40 db
5.2 teknụzụ digital Twin
Systemy oge amụma:
•92% correlation n'etiti nyocha ihe na nnwale anụ ahụ
•Na -ebelata mmepe mmepe site na 60%
Na-enyere ngwọta ngwọta gị
Njikọ dị ka onye na - eduga na onye na - emepụta ọrụ chaja, anyị ọkachamara na ịnapụta usoro cha cha nke na - eme ngwa ngwa na - etinye ọnụ na ibelata na edemede a. Ike nke ụlọ ọrụ anyị gụnyere:
• Igwe zuru ezuSite na ọtụtụ ihe na-eme ihe na-eme ka ihe owuwu dijitalụ ejima dijitalụ, anyị na-etinye ihe ndetu Mil-461G-DICED na Protocols ule.
• Igwe ikuku-EMIUsoro ngwa ngwa na-agbanwe agbanwe na-edobe <2 DB emi ọdịiche gafere -40 Celsius C rue 85 Celsius C arụmọrụ.
• Ederede Asambodo Asambodo:94% nke ndị ahịa anyị na-enweta FCC / CISPRANSITE INWETA Nnwale mbụ, na-ebelata oge site na 50%.
Gịnị mere iso anyị?
• Ngwọta njedebe na njedebe:Atụmatụ ọdịnala sitere na 20 KW Depot Chargers ruo 350 KW ultra-ngwa ngwa
• Nkwado ọrụ aka ọrụ 24/7:Ihe nchoputa EMI na Firmware na-ejikarị ngwa ngwa via
• Nchịkwa ihe ga-eme n'ọdịnihu:Ihe osise nke eserese
Kpọtụrụ ndị otu injinịa anyịMaka EMI efunyocha nke sistemụ gị ma ọ bụ nyochaa anyịA na-eji akara ngosi na-acha uhie uhie. Ka anyị kee ọgbọ nke ọzọ nke ndọghachi azụ na-enweghị atụ.
Oge post: Feb-20-2025