2020年8月3日星期一
Kayan jan karfeuku-in-daya busbar processor
Barikin jan ƙarfe (tashar motar jan ƙarfe) resistivity, iya aiki, aiki
Standarda'idar masana'antu: YS / T 478-2005 Bakin ƙarfe da jan ƙarfe alloy
conductivity eddy na halin yanzu na gwaji Resistivity (resistivity): Yawan jiki
ne wanda ake amfani dashi don bayyana halayen juriya na abubuwa daban-daban. A
zazzabi a daki (a 20 ° C), juriya na waya da aka yi da kayan tare da tsayin 1
mita da yanki na yanki na milimita 1 mil ana kiransa resistivity na wannan
kayan. Karkashin wani zazzabi, akwai tsari R = ρl / s inda ρ shine resistivity,
l shine tsawon kayan, s kuma shine yankin. Ana iya ganin juriya daga kayan abu
daidai gwargwado ga tsawon kayan kuma inversely gwargwado ga yankin sa. Daga
wannan tsari na
sama
zamu iya ganin ma'anar resistivity: ρ = Rs / l Tsarin ƙonewa Resistivity:
Maganin ƙididdigar resistivity shine: tivity = RS / L Is resistivity-da aka saba
amfani dashi Ω.mm2 / m S shine yanki-giciye-yanki yanki-yawanci ana amfani da
mm2 R shine darajar juriya da ake amfani da ita Ω L shine tsawon waya wacce aka
saba amfani da ita m Samfurawar Samfura: Adadin rabo zuwa wani daidaitaccen
darajar ana kiransa aiwatar da samfurin. A cikin shekarar 1913, daidaitacciyar
tagulla ta kasa da kasa ta shimfida cewa anlalle mai amfani da jan ƙarfe tare da
yawansu ya kai 8.89g / cm3, tsayin 1m,
yawan
1g, da juriya na 0.15328 ohms da
aka
yi amfani da matsayin ma'auni. A zazzabi na 200C, lokacin da wutar lantarki
reshen karfe na jan karfe ta kasance 0.017241Ω.mm2 / m ko wutar lantarki ita ce
58.0 MS / m), an ƙaddara ta zama 100% IACS (International Annealed Copper
Standard), da iya aiki na kowane kayan (% IACS) za'a iya lissafta ta amfani da
wannan tsari: Gudanarwa (% IACS) = 0 jan karfe rami
naushi(2).017241 / ρ * 100% Gudanarwa: 1. Sakamakon resistivity shine aiki.
σ = 1 / ρ 2. Naúra: A Systemasa Na Systemasa Tsarin Nau'o'i, ɓangaren gudanarwa
shine Siemens / m (MS / m). 3. Ma'anar jiki a jikin aiki shine nuna warin
lantarki. Mafi girman ƙarfin wutan lantarki, da ƙarfiwar wutar lantarki, haka
kuma. samfurin 20 ℃ DC resistivity Ω · mm2 / m Gudanarwa% / M Gudanarwa% IACS
TMR THMR ≤0.017 241 ≥58 ≥100 TMY THMY ≤0.017 77 ≥56.5 ≥97
订阅:
博文评论 (Atom)
没有评论:
发表评论