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HELYUM ATEŞLENME VOLTAJINA YÜZEY YÜKLERİNİN ETKİSİ

SURFACE CHARGE INFLUENCE ON THE BREAKDOWN VOLTAGE IN HE

Journal Name:

  • Sigma Mühendislik ve Fen Bilimleri Dergisi

Publication Year:

  • 2006

Key Words:

Keywords (Original Language):

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Abstract (2. Language): 
Electrostatic charging can occur by the accumulation of charge carriers on dielectric surfaces due to electrical discharges. The charges accumulated on dielectric materials in an electrical discharge device change the potential distribution, so that the electric strength of the device can be decreased. Some areas inside of the electrical discharge devices are electrically charged during the discharge, even after switch-off, charges remain for a significant time on the dielectric surface. At a new attempt to ignite the discharge, it is seen that the value of the breakdown voltage is dramatically modified. The influence of the charge accumulation on the dielectric surfaces was investigated using a discharge device that allows dielectric surface polarization. The breakdown voltage values as a sensitive measurement of the accumulated charges on the dielectric walls of the discharge device were measured.
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Abstract (Original Language): 
Elektrostatik depolanma elektriksel deşarjlar nedeniyle dielektrik yüzeyler üzerine yük taşıyıcılarının depolanması ile oluşabilir. Bir elektrik deşarj cihazı içindeki dielektrik materyaller üzerine depolanan yükler, cihazın elektrik alan şiddetinin azalmasına neden olacak şekilde potansiyel dağılımını değiştirir. Deşarj süresince, hatta deşarj sona erdikten sonra, elektriksel deşarj cihazının içinin bazı kısımları elektriksel olarak yüklenir, bu yükler dielektrik yüzey üzerinde uzun bir süre kalırlar. Bundan sonra deşarj yeniden ateşlenmeye çalışılırsa, ateşlenme voltajı değerinin önemli derecede değiştirilmiş olduğu görülür. Dielektrik yüzeyler üzerine yük depolanmasının etkisi, dielektrik yüzey polarizasyonuna izin veren bir deşarj cihazı kullanılarak incelenildi. Deşarj cihazının dielektrik çeperlerine depolanmış yüklerin hassas bir ölçümü olarak ateşlenme voltajı değerleri ölçüldü.
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  • 2
45-49
  • Turkish

REFERENCES

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