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1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,最新文献

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Development & Use Of A Coaxial Cavity Resonator For Dielectric Measurements 电介质测量用同轴腔腔谐振器的研制与应用
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763957
R. Martin, R. J. Martin
{"title":"Development & Use Of A Coaxial Cavity Resonator For Dielectric Measurements","authors":"R. Martin, R. J. Martin","doi":"10.1109/CEIDP.1991.763957","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763957","url":null,"abstract":"","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131835657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrical conduction in plain polyethylene and polyethylene doped with an inorganic additive 普通聚乙烯和掺有无机添加剂的聚乙烯的导电性
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763353
M. Khalil, M. Henriksen, P. Henk
{"title":"Electrical conduction in plain polyethylene and polyethylene doped with an inorganic additive","authors":"M. Khalil, M. Henriksen, P. Henk","doi":"10.1109/CEIDP.1991.763353","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763353","url":null,"abstract":"Electrical conduction is experimentally studied in plain low density polyethylene (LDPE) and LDPE doped with an inorganic additive. The experiments were performed using a highly developed experimental system allowing for the measurement, monitoring and controlling of the current flowing through the sample, the voltage across the sample and the ambient temperature for two samples simultaneously. The measurements were made using different thermal profiles in a temperature range from 40/spl deg/C to 80/spl deg/C and at different electric fields ranging from 1.7x10/sup 5/ Vcm/sup -1/ to 3.3x10/sup 5/Vcm/sup -1/. The present test procedure allows the achievement of a reasonable steady state after a controlled lengthy conditioning procedure for more than 10 days. Results indicate that the current flowing in the PE samples has an activation energy which is field dependent. As for the doped material, it was not possible to obtain a single activation energy at the present experimental conditions. Moreover, the current/time characteristics in the material seem to be very different when compared with the corresponding characteristics in the plain material. The results are discussed in terms of the available concepts of electrical conduction in polymers.","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114747121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
The effect of multi-valent iovs in electrolytic solutions on water tree growth in low density polyethylene 电解溶液中多价离子对低密度聚乙烯水树生长的影响
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763508
L. Huimin, B. Crichton, R. Fouracre
{"title":"The effect of multi-valent iovs in electrolytic solutions on water tree growth in low density polyethylene","authors":"L. Huimin, B. Crichton, R. Fouracre","doi":"10.1109/CEIDP.1991.763508","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763508","url":null,"abstract":"The influence of ionic materials on water treeing has attracted a lot of attention. Correlations of water treeing with the conductivity and pH value of a solution as well as a salt’s solubility have been proposed but these are not universal [l]. The concept of hydrated ions was introduced by Morita et a1 to explain the ion-specific properties of water treeing [ 2 ] . A similar idea was also adopted by Fillippini et a1 [ 3 ] . More recently, we have proposed that ion-ion interactions in solution may play an equally important role during the treeing process [ 4 ] .","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114736693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Study of Electrical Tree Initiation from Water Tree 水树起始电树的研究
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763384
H. Muto, H. Tanaka, Y. Maruyana
{"title":"A Study of Electrical Tree Initiation from Water Tree","authors":"H. Muto, H. Tanaka, Y. Maruyana","doi":"10.1109/CEIDP.1991.763384","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763384","url":null,"abstract":"","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117288794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
The Electrical Properties At Low Field Of Aluminum File Hydroxyl-terminated Polybutadiene Composites 铝锉端羟基聚丁二烯复合材料的低场电性能
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763341
W. Ychl, P. Budenstein
{"title":"The Electrical Properties At Low Field Of Aluminum File Hydroxyl-terminated Polybutadiene Composites","authors":"W. Ychl, P. Budenstein","doi":"10.1109/CEIDP.1991.763341","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763341","url":null,"abstract":"Electrical conduction and relaxation behavior have been investigated in composites containing hydroxyl-terminated polybutadiene (HTPB) as binder and 13 /spl mu/m aluminum particles as aluminum weight fractions of 0.025, 0.05, 0.10, 0.20. HTPB, used as a binder in solid rocket propellants, is an elastomer over the temperature range of these studies, -60/spl deg/C to +70/spl deg/ relative humidity of 25%. Results are presented on isothermal current-time relaxation upon step charging field (8.8x10/sup 3/ V/cm) and short-circuit discharging, each for 170 minutes. The measurement indicated major changes in electrical behavior, for all compositions, in the temperature interval of 0/spl deg/C to 10/spl deg/C, including mirror symmetry of the decay curves at 0/spl deg/C and below and lack of this symmetry at temperatures of 10/spl deg/C and above. From x-ray diffractometry study, the transition temperature corresponds to the crystallization temperature of HPTB. The isothermal frequency dependence of the dielectric loss were obtained by the fast fourier transform technique of the appropriate relaxation data. Finally, dielectric properties are related to charging at interfaces (crystalline/amorphous phases of HTPB) to ionic conduction.","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129702882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation Of Discharge Development In N/sub 2/ SF/sub 6/ And Gas Mixtures Containing SF/sub /6 N/sub / 2/ SF/sub /6及含SF/sub /6气体混合物中排放发展的模拟
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763337
W. Pfeiffer, H. Welke
{"title":"Simulation Of Discharge Development In N/sub 2/ SF/sub 6/ And Gas Mixtures Containing SF/sub /6","authors":"W. Pfeiffer, H. Welke","doi":"10.1109/CEIDP.1991.763337","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763337","url":null,"abstract":"A new model is presented for the simulation of electrical breakdown phenomena in compressed gaseous dielectrics taking into account electron-neutral-gas-collisions and collective interactions among charged particles. Elastic, exciting, ionizing and attaching collisions between elelctrons and neutral gas molecules are included using a Monte Carlo technique. Space charge effects are regarded by solving Poisson's equation in one (homogeneous field) and two dimensions. A new method is presented to simulate the predischarge development also in gas mixtures. The simulated range of p*d extends from 0.5 kPa*cm to 400 kPa*cm (limitation by maximum CPU-time).","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130113393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence Of Polarity Reversal Of Dc Voltages On The Spatial Charge Distribution 直流电压极性反转对空间电荷分布的影响
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763347
Ying Li, T. Takada
{"title":"Influence Of Polarity Reversal Of Dc Voltages On The Spatial Charge Distribution","authors":"Ying Li, T. Takada","doi":"10.1109/CEIDP.1991.763347","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763347","url":null,"abstract":"Though po lymer ic d i e l e c t r i c s a re w i d e l y used f o r t h e e l e c t r i c a l i n s u l a t i o n , t h e mechanisms o f s to rage and t r a n s p o r t o f charges a t t h e i n t e r f a c e s between t h e e lec t r o d e and d i e l e c t r i c as w e l l as w i t h i n t h e d i e l e c t r i c a re s t i l l sub jec ts f o r debate [1,2]. One o f t h e reasons f o r t h i s may be t h e l a c k o f measurement methods f o r t h e space charge d i s t r i b u t i o n , so i t i s d i f f i c u l t t o unders tand t h e compl ica ted processes o c c u r r i n g i n t h e polymer d i e l e c t r i c under h i g h dc e l e c t r i c s t resses . Though new exper imenta l techniques were developed recen t l y ,no c l e a r i n d i c a t i o n o f i n t e r a c t i o n o f t h e p r e v i o u s l y i n j e c t e d charges w i t h t h e newly i n j e c t e d ones has been repor ted .","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"523 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130562019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Electrical Degradation Of Styrene Polymers 苯乙烯聚合物的电降解
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763368
A. Gustafsson, U. Gedde
{"title":"Electrical Degradation Of Styrene Polymers","authors":"A. Gustafsson, U. Gedde","doi":"10.1109/CEIDP.1991.763368","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763368","url":null,"abstract":"Polymerization of a variety of different styrene monomers have been performed by radical and cationic mechanism. All polymers were fully amorphous and transparent and exhibited only one glass temperature. The polymers were subjected to external partial discharges (PD). The resistance towards PD of the various polymers was found to depend strongly on the monomeric structure, i.e. on the nature of the substituents. Complementary PD experiments confirmed that minor variation in molecular mass are of no importance for the PD resistence. It is found that halogen substituents decrease the PD resistance significantly and a possible mechanism is discussed. The time to breakdown for copolymers of styrene and pentafluorostyrene (PFS) decreased monotonically with increasing PFS content.","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130440783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Breakdown Mechanism Of Plasma Polymerized Ethylene Thin Film 等离子体聚合乙烯薄膜的击穿机理
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763342
K. Ishii, Y. Ohki
{"title":"Breakdown Mechanism Of Plasma Polymerized Ethylene Thin Film","authors":"K. Ishii, Y. Ohki","doi":"10.1109/CEIDP.1991.763342","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763342","url":null,"abstract":"","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"180 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126772855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electroluminescence Spectrum From Epoxy Under Variable Surge Voltage 变浪涌电压下环氧树脂的电致发光光谱
1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena, Pub Date : 1991-10-20 DOI: 10.1109/CEIDP.1991.763372
G. Stone, R. V. van Heeswijk
{"title":"Electroluminescence Spectrum From Epoxy Under Variable Surge Voltage","authors":"G. Stone, R. V. van Heeswijk","doi":"10.1109/CEIDP.1991.763372","DOIUrl":"https://doi.org/10.1109/CEIDP.1991.763372","url":null,"abstract":"Electroluminescence (EL) is the creation of light in a dielectric material under high electric fields. Considerable work on EL in polyethylene has indicated that EL is both a symptom and a direct cause of electric tree initiation [1,2]. Furthermore, the study of EL may provide information on the nature and role of charge carriers in the electric treeing process. Two mechanisms for EL have been proposed: electron-hole recombination and collision excitation. As suggested by Coisson [3], one might distinguish between these two processes by measuring the effect of applied voltage on the spectral response of EL. If increasing the voltage results in a shift in the EL activity to more energetic wavelengths, then collision excitation is indicated. As part of a major investigation into EL from epoxy [4], experiments were performed to measure the effect of voltage on the spectral response.","PeriodicalId":277387,"journal":{"name":"1991 Annual Report. Conference on Electrical Insulation and Dielectric Phenomena,","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123370179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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