Gabaɗaya, sandar bus tsakanin ƙarshen fitarwa na kabad ɗin gyara tanderun DC da kuma wutar lantarki mai sarrafa wutar lantarki na kan tanderun ana kiranta da gajeriyar raga, kuma sandar bus ɗin da ake amfani da ita a cikin tanderun graphitization gabaɗaya murabba'i ne. Sandar bus ɗin tanderun graphitization an yi ta ne da tagulla da aluminum. Tagulla tana da ƙarfin injina mai yawa, kyakkyawan watsa wutar lantarki da juriyar tsatsa. Aluminum ba ta da ɗan rage watsa wutar lantarki, amma aluminum yana da rahusa kuma yana da nauyi mai sauƙi.
Tebur 3-2 Bayanan aiki masu dacewa na jan ƙarfe da aluminum
| 材 料 | 比重 | 极限强度（MPa） | 电阻率 (µΩm) | 电阻的温度系数（1/℃） |
| 紫 铜 | 8.9 | 220 | 0.016 | 4.3×10-3 |
| 铝 | 2.7 | 110 | 0.025 | 4.7 × 10-3
|
Tunda juriyar tanda ta murhun graphitization ƙarami ne, musamman a matakin ƙarshe na watsa wutar lantarki, juriyar tanda ta zama ƙarami, kuma raguwar matsin lamba na gajeren raga yana ƙaruwa, wanda ke haifar da ƙaruwar asarar wutar lantarki. Saboda haka, ko murhun graphitization zai iya aiki lafiya da tattalin arziki yana da alaƙa ta kud da kud da halayen gajeren raga.
Mafi mahimmancin ƙa'ida ita ce rage juriyar gajeren raga da kuma kiyaye dukkan gajeren raga da ƙaramin raguwar matsin lamba. Akwai lambobi daban-daban a cikin gajeren raga na tanderu mai zane. Idan akwai hulɗa tsakanin electrode mai sarrafawa da motar jan ƙarfe, hulɗa tsakanin motar jan ƙarfe mai laushi da motar aluminum, hulɗa tsakanin motar aluminum, da sauransu, waɗannan hulɗar za su haifar da juriyar hulɗa, wanda ke shafar halayen dukkan gajeren raga. Juriyar hulɗar mai jagora mai wurin haɗawa ba wai kawai ya dogara da yanayin kayan ba, har ma da yankin hulɗa da matsin lamba a lokacin haɗin gwiwa. Saboda wannan dalili, mafi sauƙi lokacin haɗa sandunan bas shine: gogewa yana da ƙarfi.
Tebur 3-3 Juriyar hulɗa ta graphite 1cm2 da ƙarfe 1cm2
Mafi mahimmancin ƙa'ida ita ce rage juriyar gajeren raga da kuma kiyaye dukkan gajeren raga da ƙaramin raguwar matsin lamba. Akwai lambobi daban-daban a cikin gajeren raga na tanderu mai zane. Idan akwai hulɗa tsakanin electrode mai sarrafawa da motar jan ƙarfe, hulɗa tsakanin motar jan ƙarfe mai laushi da motar aluminum, hulɗa tsakanin motar aluminum, da sauransu, waɗannan hulɗar za su haifar da juriyar hulɗa, wanda ke shafar halayen dukkan gajeren raga. Juriyar hulɗar mai jagora mai wurin haɗawa ba wai kawai ya dogara da yanayin kayan ba, har ma da yankin hulɗa da matsin lamba a lokacin haɗin gwiwa. Saboda wannan dalili, mafi sauƙi lokacin haɗa sandunan bas shine: gogewa yana da ƙarfi.
Tebur 3-3 Juriyar hulɗa ta graphite 1cm2 da ƙarfe 1cm2
| 压力 | 石墨–石墨µΩ | 石墨—铜µΩ | 石墨—铝µΩ |
| 0.2 | 70 | 100 | 6000 |
| 0.5 | 40 | 70 | 2600 |
| 1 | 25 | 50 | 1300 |
| 2 | 14 | 32 | 500 |
| 4 | 7.5 | 16 |
Tebur 3-4 Juriyar hulɗa ta carbon 1cm2 da ƙarfe 1cm2
| 压力 | 炭–炭µΩ | 铜µΩ | 铝µΩ |
| 0.05 | 750 | 2100 | 20000 |
| 0.1 | 520 | 1800 | 16000 |
| 0.2 | 380 | 1400 | 10000 |
| 0.4 | 290 | 850 | 4000 |
| 0.6 | 250 | 600 | 1700
|
Lokacin Saƙo: Satumba-16-2019