Oriyentā Silikon Steel na Takarda da Dukkarwa na Tansufa & Nā'i

1. Taurari na Tattalin Teknologi na Gargajiya Turbin Mai Kirki a China

Turubin mai kirki suna taimakawa da tattauna da yawa biyu:

Kima, tattaunawa zuwa turubin mai kirki mai kadan da tsarin karamin shi, inda manyan matsayin tsarin karamin shi suka zama daga 220kV, 330kV, da 500kV zuwa 750kV da 1000kV.

Tara, tattaunawa zuwa sabon abubuwa masu inganci, kadan-kadan, da kuma lafiya, sannan, da kuma kudacewa, da kuma al'adu da ya gane. Abubuwan da suke cikin haka sun haɗa da turubin mai kirki masu ƙasa da ƙasar, kamar sabon S13 da S15 da ake baka don gargaɗi masu jama'a da kasar.

Tattaunawa da ke fara a China zai iya ƙare da sabon abubuwa masu inganci, kadan-kadan, da kuma lafiya, sannan, da kuma al'adu da ya gane, da kuma al'umma.

2. Tatsuniyar Wata Masu Turubin Mai Kirki na Iyali na Silicon

A cikin kasashen ilimi da takaitaccen, aiki masu kirki da take lalace da iyali na silicon na turubin mai kirki yana ƙare da fili 4% daga jerin aiki masu kirki. Saboda haka, tsiranniya na iyali na silicon na turubin mai kirki yana cikin abubuwan da aka fi sani ga kamfanonin silicon na duniya. Iyali na silicon zai iya ƙare da tsiranniya na eddy current da kuma tsiranniya na hysteresis.

Idan ana hada da iyali na silicon, hanyoyin da suke amfani da su don tsiranniya na iyali na silicon na turubin mai kirki sun haɗa da karɓe fadin silicon, kaɗa tsakiyar sakamako, da kuma teknologi na tsiranniya na magnetic domain.

(1) Karɓe Fadin Silicon

Yanzu, silicon na aiki masu karfin shi yana ƙare da fili 3.0% silicon. Idan an karɓe shi zuwa 6.5%, iyali na silicon ta zama mafi tsiranniya, kuma yana zama babban abincin da ake amfani da shi a cikin filayen 400Hz zuwa 10kHz.

(2) Kaɗa Tsakiyar Sakamako

Sakamakon silicon na turubin mai kirki da ake amfani da su a yanzu suna ci gaba da ƙarin. Tsakiyar 0.35mm ta zama, wanda ake amfani da shi a yanzu sun haɗa da 0.3mm, 0.27mm, 0.23mm, da 0.18mm, wanda suke tsiranniya na eddy current na silicon na turubin mai kirki.

• Sakamakon silicon na turubin mai kirki da tsakiyar 0.20mm yana iya amfani a 400Hz ko kadan, inda tsiranniya na magnetic flux density yana ƙare da 1.5T da kuma iyali na silicon ta fi yawa.

• Sakamakon silicon na turubin mai kirki da tsakiyar 0.15mm, idan ya yi aiki a 1kHz frequency da tsiranniya na magnetic flux density 1.0T, iyali na silicon ta ƙare da 30W/kg. Saboda haka, wannan abubuwa ta fi yawa a 1kHz ko kadan.

• Sakamakon silicon na turubin mai kirki da tsakiyar 0.10mm da 0.08mm suke da muhimmanci a filayen 3kHz. A 3kHz frequency, sakamakon silicon na turubin mai kirki da tsakiyar 0.10mm yana iya amfani a tsiranniya na magnetic flux density 0.50T. Idan an yi waɗannan ayyuka, sakamakon 0.08mm yana iya amfani a tsiranniya na magnetic flux density 0.50-0.80T.

• Sakamakon silicon na turubin mai kirki da tsakiyar 0.05mm, idan ya yi aiki a 5kHz frequency, tsiranniya na magnetic flux density ta ƙare da 0.5-0.6T. Saboda haka, sakamakon silicon na turubin mai kirki da tsakiyar 0.05mm ta fi damar da damarwa a cikin waɗannan abubuwan da aka bayyana da kuma yana iya amfani a 5kHz ko kadan.

(3) Tsiranniya na Magnetic Domain

Teknologi na Grooving: Narita na Japan ta bayyana muhimmancin grooving a cikin tsiranniya na domain structure da iyali na silicon na turubin mai kirki, inda ya ce wanda grooving perpendicular to the strip direction yana iya tsiranniya na domain wall spacing da kuma iyali na eddy current.

Teknologi na Laser Processing tana amfani da muhimmancin tsiranniya na laser da kuma cooling don tsiranniya na surface na silicon na turubin mai kirki, tana iya ba da micro-plastic deformation da kuma high-density dislocations a cikin area na heated, tsiranniya na main domain wall length, da kuma samun tensile stress, tana iya tsiranniya na magnetic domain da kuma iyali na silicon.

Anana duwatsu na laser processing: pulsed da kuma continuous laser processing.

3. Tatsuniyar Surface na Silicon na Turubin Mai Kirki na Nafin Turubin

Wanda shi ne daga cikin abubuwan da suka nufin nafin turubin shine magnetostriction na silicon na turubin mai kirki.

Magnetostriction yana nufin ƙarin tsakiyar ferromagnetic material a lokacin da ake kiran. Magnetostriction na silicon na turubin mai kirki yana ƙare da adana da surface insulation coating. Tension daga coating yana iya kawo compressive stresses da ake samu a matsayin materials da kuma assembly, tare da kuma tsiranniya na nafin turubin. Sakamakon da ba da coating ba yana da ƙarin sensitivity zuwa compressive stress. Idan pressure yana ƙare, magnetostriction value yana ƙare, amma sakamakon da da coating yana da ƙarin sensitivity zuwa compressive stress, tare da kuma tsiranniya na nafin turubin.

Yana da kyau a cewa silicon na turubin mai kirki yana da ƙarin magnetostriction don tsiranniya na sensitivity zuwa stress, da kuma tsiranniya na nafin turubin. Saboda stress yana samu a lokacin da ake samu core na turubin, yana da kyau a tsiranniya sensitivity zuwa stress. Ba da coating, silicon na turubin mai kirki yana da ƙarin sensitivity zuwa stress, da kuma tsiranniya na nafin turubin.

Duk da haka, applying insulation coating na silicon na turubin mai kirki yana da ƙarin effect of reducing specific loss, tsiranniya na iyali na silicon 9%-14%. Quality of the insulation coating yana da kyau a ƙare da 5g/m².

4. Tatsuniyar High-Permeability na Silicon na Turubin Mai Kirki na No-Load Loss da Level na Nafin Turubin

Munafarannin Hi-B high-permeability oriented silicon steel suna:

(1) Munafarannin Magnetization Daban-daban

Munafarannin magnetization daban-daban a lura cewa ake amfani da magnetic flux density a 800A/m don bayyana. Hi-B high-permeability oriented silicon steel tana da relative permeability kimanin 1920 a 800A/m, idan CGO steel tana 1820. Amfani da Hi-B high-permeability oriented silicon steel a matsayin core material ya jagoranci karfi tsakanin no-load loss shine mafi yawan kimiyya.

(2) Low Magnetostriction

Magnetostriction na nufin fan yiyan da kuma kawo core a haguji na AC magnetization, wanda shi ne karamin abubuwa masu muhimmanci da ke samu noise na transformer. Saboda Hi-B high-permeability oriented silicon steel tana da low magnetostriction, yana kadan noise na transformer da kuma kisan kwalliya.

5. Tashin Teknologi na Core Processing na Power Transformer

A lokacin da ake gina da kuma ake koyar da oriented silicon steel, ana iya ba da shekaru stress da kuma impact na handling manual. Koyar da mechanical processing da kuma factors na deterioration na gaba suna taka muhimmanci ga specific loss na sheets na silicon steel, kafin zama ta zama, za su iya kasance specific loss bata 3.08%-31.6%.

Burrs na longitudinal shearing na oriented silicon steel: Idan cutting quality ya zama da mutane da dimensional deviations, a lokacin da ake stack core, zai iya ba da gaps da yawa bayan sheets, overlaps da yawa, da kuma core laminations da yawa, wanda zai iya kasance no-load current, kafin zama ta zama, za su iya kasance limits. Ba da deburring, specific loss zai zama lafiya. Bayanan labaran sun nuna cewa ba da deburring 30QG120, specific loss P1.5 zai zama lafiya bata 2.1%-2.6% (average 2.3%), da P1.7 zai zama lafiya bata 1.6%-3.5% (average 2.5%).

Yakin cutting quality na oriented silicon steel, kudaden burrs, da kuma yakin flatness, da kuma apply clamping force na yawa zuwa core columns. Feedback daga mai sarrafa transformers sun nuna cewa kudaden burrs bata 0.02mm zai kudace total stacked thickness (at clamping points) bata 2-3mm, da kuma noise zai zama lafiya bata 3-4dB. Saboda haka, burrs yana bukatar kudaden a cikin 0.03mm.

Oriented silicon steel yana bukatar cutting, stamping, da stacking, wanda ke gene internal stresses, wanda ke yin grain deformation, wanda ke kasa magnetic permeability da kuma increase specific iron loss. Stresses na oriented silicon steel na lokacin da ake cutting, stamping, stacking, da kuma koyar da operations suna iya kudace da annealing treatment, wanda zai iya kudace specific iron loss na cold-rolled oriented silicon steel bata 30%.