Nkyerɛase ne Dwumadi Titiriw a Ɛfa Kɔbere Aba Ho
Kɔbere a wonya fi kar nhama mu no yɛ kɔbere a ɛwɔ mu no mu duru ne nhama a wɔawie no mu duru nyinaa nsusuwii. Ɔkwan a wɔfa so yɛ no ne sɛ:
Kɔbere aba (%)=(Kɔbere conductor mu duru ÷ Nhama mu duru nyinaa) × 100%
Sɛ nhwɛso no, sɛ nhama bi mu duru yɛ gram 100 na kɔbere a ɛwɔ mu no mu duru yɛ gram 65 a, kɔbere a wonya no yɛ 65%. Saa metric yi di dwuma titiriw wɔ:
1. Ɛka a Wɔbɔ: Kɔbere bo yɛ den (sɛ wɔkyekyem pɛpɛɛpɛ a, Shanghai kɔbere bo wɔ afe 2023 mu no bɛyɛ yuan 68,000/ton). Kɔbere a wɔtew so 5% no betumi atew cable ho ka so 10%-15%.
2. Adwumayɛ mu Kari pɛ: Kɔbere a ɛkɔ soro (sɛ nhwɛso no, Ɛboro anaasɛ ɛyɛ pɛ 65%) ma nsuo a ɛkɔ mu no tu mpɔn nanso ɛbɛtumi de nsakraeɛ abɔ afɔre. Nhama a ɛwɔ ahoɔden a ɛkorɔn ma kar foforo a ahoɔden wom hwehwɛ sɛ ɛkɔ soro (kɔbere aba a ɛyɛ 70% anaa nea ɛboro saa) ne ɔhyew a ɛkorɔn-a ɛko tia insulation layer no nyinaa.
Nnwuma Gyinapɛn ne Gyinapɛn a Wɔtaa De Di Dwuma
Sɛnea ɔman no gyinapɛn ne kar yɛfo ahwehwɛde ahorow kyerɛ no:
1. Kar nhama a ɛyɛ low-voltage a ɛyɛ mmerɛw (sɛ nhwɛso no, GB/T 25087-2010): Ɛsɛ sɛ kɔbere a ɛba no yɛ Kɛse sen anaasɛ ɛyɛ pɛ 60%. Sɛ nhwɛso no, kɔbere a ɛwɔ 0.5 mm2 conductor mu no mu duru bɛyɛ 3.2 g/m, na ne nyinaa mu duru yɛ 5.3 g/m.
2. Ahoɔden foforo a ɛkorɔn-voltage nhama (sɛ nhwɛso no, ISO 6722-2017): Esiane mprempren a ɛkɔ soro nti, kɔbere aba no taa yɛ 65%-75%. Sɛ nhwɛso no, Tesla Model 3 nhama a ɛwɔ ahoɔden kɛse no de kɔbere aba a ɛyɛ 70% nhyehyɛe di dwuma.
3. Lightweighting Trend: Kar yɛfo binom retew wɔn mu duru so denam kɔbere-a wɔde akata aluminium waya a wɔde di dwuma so (kɔbere aba a ɛyɛ 30%-40%), nanso conductivity no yɛ 60%-70% pɛ wɔ kɔbere kronkron mu.
III. Ɔkwan Bɛn so na Wɔbɛyɛ Kɔbere Aba a Ɛyɛ Paara?
1. Nneɛma Foforo: Fa nsuo a ɛyɛ tratraa-fasuo a ɛbɔ ho ban di dwuma (sɛ nhwɛsoɔ no, sɛ wotew TPU no mu duru so mm 0.1 a, ɛbɛtumi ama kɔbere aba no akɔ soro 3%-5%).
2. Adeyɛ Nkɔso: Compact stranding mfiridwuma ma kɔbere conductor fill rate kɔ soro fi 80% kosi 90%, ɛtew voids.
3. Scenario Adaptation: High-temperature-resistant wire (sɛ nhwɛso no, 200℃grade) hwehwɛ sɛ wɔma insulation thickness kɔ soro, a ɛbɛtew kɔbere aba so 5%-8%. Ɛho hia sɛ wɔyɛ nhwehwɛmu a edi mũ.
