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ÌâÃû:Single-pulsed surface flashover voltage of the electrode geometry in vacuum
×÷ÕߣºCheng, Y.L. ; Xiang, W. ;  Lei, Y.J. ;  Tang, B.H. ;  Jin, D.Z. ;  Wang, Y.
ISSN :  1093-2941
E-ISBN :  978-1-4244-8366-2
Print ISBN: 978-1-4244-8367-9
INSPEC Accession Number: 11638778
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west1982: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-07-10 20:47:20
Single-pulsed Surface Flashover Voltage of the Electrode Geometry in Vacuum
×÷Õß: Cheng, YL (Cheng, Y. L.)1; Xiang, W (Xiang, W.)1; Lei, YJ (Lei, Y. J.)1; Tang, BH (Tang, B. H.)1; Jin, DZ (Jin, D. Z.)1; Wang, Y (Wang, Y.)1
Êé¼®ÍÅÌå×÷Õß: IEEE
À´Ô´³ö°æÎï: ISDEIV 2010: XXIVTH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM  ´ÔÊé: International Symposium on Discharges and Electrical Insulation in a Vacuum   Ò³: 87-90   ³ö°æÄê: 2010
±»ÒýƵ´Î: 0 (À´×Ô Web of Science)
ÒýÓõIJο¼ÎÄÏ×: 10 [ ²é¿´ Related Records ]     ÒýÖ¤¹ØÏµÍ¼     
»áÒé: 24th International Symposium on Discharges and Electrical Insulation in Vacuum ISDEIV »áÒ鵨µã: Braunschweig, GERMANY »áÒéÈÕÆÚ: AUG 30-SEP 03, 2010
»áÒéÔÞÖúÉÌ: IEEE; DEIS; Tech Univ Braunschweig
ÕªÒª: Single-pulsed surface flashover voltage of insulator can be considerably improved by reasonable design of electrode geometry. In the present work, the electric field distribution of cylindrical alumina insulators with different electrodes is simulated. Simulation results indicate that amendatory geometries could reduce electric field strength of the cathode-triple-junction(CTJ) and the ratio of electric field component parallel (F parallel to) to an insulating plane with the normal component (F perpendicular to). The theoretically deduction demonstrates that the energy of the first electron collision can be reduced by decreasing the ratio of electric field (F parallel to/F perpendicular to). Several electrodes are designed and manufactured, and surface flashover voltages of cylindrical alumina insulators are measured in vacuum in different electrodes using similar to 3 mu s single-pulsed. As a result, the reliable voltage hold-off of the screening electrode B is up to 150 kV and nearly 50% higher than that of the plate electrode. The measurements show good qualitative agreement with the behavior from the computation. Consequently, studies on the pulsed voltage hold-off property of the electrode geometry in vacuum could be quite helpful in designing of the insulating geometry for high voltage vacuum devices.
Èë²ØºÅ: WOS:000287378600022
ÎÄÏ×ÀàÐÍ: Proceedings Paper
ÓïÖÖ: English
×÷Õ߹ؼü´Ê: Electrode; Flashover Voltage; Vacuum
ͨѶ×÷ÕßµØÖ·: Cheng, YL (ͨѶ×÷Õß),China Acad Engn Phys, Inst Engn & Elect, Mianyang 621900, Sichuan, Peoples R China
µØÖ·:
1. China Acad Engn Phys, Inst Engn & Elect, Mianyang 621900, Sichuan, Peoples R China
³ö°æÉÌ: IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Web of Science ·ÖÀà: Engineering, Electrical & Electronic
ѧ¿ÆÀà±ð: Engineering
IDS ºÅ: BTM92
ISSN: 1093-2941
ISBN: 978-1-4244-8365-5
2Â¥2012-07-10 20:43:10
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