Polyethylene

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Note, however, that the C−H bond angles are not 90° as this diagram would indicate, but are approximately 110°, since each carbon atom is tetrahedral. (Wikipedia.org)




IEEE Organizations related to Polyethylene

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Conferences related to Polyethylene

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2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

The purpose of this conference is to provide a platform for researchers, scientists and engineers from all over the world to exchange ideas and discuss recent progress in electrical insulation, dielectric and practical applications. The focus of the conference is on dielectrics, its phenomena and applications in developing technologies such as nanotechnology, dielectric for superconductivity, dielectric discharges and others.

  • 2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

    The IEEE International Conference on Properties and Applications of Dielectric Materials (ICPADM) is devoted to dielectrics and electrical insulation research. It attracts experts from around the world, and particularly from the fast growing economies of the Pacific Region.

  • 2006 IEEE 8th International Conference on Properties & Applications of Dielectric Materials (ICPADM)


2012 International Conference on High Voltage Engineering and Application (ICHVE)

This conference can provide an excellent platform to share knowledge and experiences on high voltage engineering, and present the advices on the construction and maintenance of UHV transmission lines in China.

  • 2010 International Conference on High Voltage Engineering and Application (ICHVE)

    The current demands for a large amount of electrical energy are resulting in new strategies for developing high voltage power systems, transmission lines, substations, and appropriate equipment. In many countries, the new energy strategies require the planning and construction of UHV ac and dc transmission systems. The ICHVE 2010 will provide an excellent opportunity for high voltage engineering scientists, researchers, faculty, industrial representatives and students to share their state-of-the-art rese



Periodicals related to Polyethylene

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Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.



Most published Xplore authors for Polyethylene

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Xplore Articles related to Polyethylene

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Space charge behaviour in LDPE films under 0.5-4.0 MV/cm fields

K. Matsui; Y. Tanaka; T. Takada; K. Fukunaga; T. Maeno Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417), 2003

We have been observing space charge profiles in low-density polyethylene under the extremely high electric field with short interval to clarify the relationship between space charge accumulations and electric breakdown. In this experiments, a large amount of charge packet injected from electrodes into bulk was observed. Furthermore, the dependence of applied electric field on space charge behavior was investigated. From ...


Effect of testing parameters on the outcome of the accelerated cable life test

R. Lyle IEEE Transactions on Power Delivery, 1988

The effects of various testing parameters on the accelerated life test results of 15 kV underground residential distribution cables prepared from thermoplastic and crosslinked polyethylene insulation are considered. Testing parameters included dry versus water in the strand, voltage stresses 4X(34.6 kV) and 3X(26.0 kV), and hot spot temperatures of 90 and 75°C. The effect of shelf aging on the life ...


Influences of annealing method on space charge characteristics of low density polyethylene

Yuanxiang Zhou; Ninghua Wang; Yunshan Wang; Hongbin Liu; Xidong Liang; Zhicheng Guan 2007 Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, 2007

In this paper, low density polyethylene (LDPE) film samples were prepared by three kinds of annealing methods which were different in cooling rates. Lower cooling rate results in larger spherulite and higher crystallinity. A pulsed electro-acoustic (PEA) space charge measurement system was improved to solve the surface discharge problems for high voltage and small samples. Negative DC fields from 50 ...


New organic insulation structure to improve the surface flashover characteristics in vacuum

Shengtao Li; Qifeng Huang; Tuo Zhang; Fengyan Ni; Jianying Li 2010 10th IEEE International Conference on Solid Dielectrics, 2010

In this paper, a new organic insulation structure was proposed and prepared to improve the surface flashover performance in vacuum by inserting multilayer high gradient organic composite between the electrode and the dielectric. The simulation technique was used to calculate and analyze the electric field distribution of this new insulation structure. On the basis of theory analysis, the samples of ...


A high-power, narrow-linewidth, linearly pumped CH<inf>3</inf>F oscillator-amplifier system

F. Brown; P. Hislop; J. Tarpinian IEEE Journal of Quantum Electronics, 1977

We have produced peak pulse powers of ≃0.6 MW at 496 μm, predominantly confined to the transform limited linewidth of 30 MHz. The system employed is a scaled-up version of the previously reported [1] linearly pumped CH3F oscillator-amplifier.


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Educational Resources on Polyethylene

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eLearning

Space charge behaviour in LDPE films under 0.5-4.0 MV/cm fields

K. Matsui; Y. Tanaka; T. Takada; K. Fukunaga; T. Maeno Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417), 2003

We have been observing space charge profiles in low-density polyethylene under the extremely high electric field with short interval to clarify the relationship between space charge accumulations and electric breakdown. In this experiments, a large amount of charge packet injected from electrodes into bulk was observed. Furthermore, the dependence of applied electric field on space charge behavior was investigated. From ...


Effect of testing parameters on the outcome of the accelerated cable life test

R. Lyle IEEE Transactions on Power Delivery, 1988

The effects of various testing parameters on the accelerated life test results of 15 kV underground residential distribution cables prepared from thermoplastic and crosslinked polyethylene insulation are considered. Testing parameters included dry versus water in the strand, voltage stresses 4X(34.6 kV) and 3X(26.0 kV), and hot spot temperatures of 90 and 75°C. The effect of shelf aging on the life ...


Influences of annealing method on space charge characteristics of low density polyethylene

Yuanxiang Zhou; Ninghua Wang; Yunshan Wang; Hongbin Liu; Xidong Liang; Zhicheng Guan 2007 Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, 2007

In this paper, low density polyethylene (LDPE) film samples were prepared by three kinds of annealing methods which were different in cooling rates. Lower cooling rate results in larger spherulite and higher crystallinity. A pulsed electro-acoustic (PEA) space charge measurement system was improved to solve the surface discharge problems for high voltage and small samples. Negative DC fields from 50 ...


New organic insulation structure to improve the surface flashover characteristics in vacuum

Shengtao Li; Qifeng Huang; Tuo Zhang; Fengyan Ni; Jianying Li 2010 10th IEEE International Conference on Solid Dielectrics, 2010

In this paper, a new organic insulation structure was proposed and prepared to improve the surface flashover performance in vacuum by inserting multilayer high gradient organic composite between the electrode and the dielectric. The simulation technique was used to calculate and analyze the electric field distribution of this new insulation structure. On the basis of theory analysis, the samples of ...


A high-power, narrow-linewidth, linearly pumped CH<inf>3</inf>F oscillator-amplifier system

F. Brown; P. Hislop; J. Tarpinian IEEE Journal of Quantum Electronics, 1977

We have produced peak pulse powers of ≃0.6 MW at 496 μm, predominantly confined to the transform limited linewidth of 30 MHz. The system employed is a scaled-up version of the previously reported [1] linearly pumped CH3F oscillator-amplifier.


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IEEE.tv Videos

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IEEE-USA E-Books

  • Main Principles of HVDC Extruded Cable Design

    This chapter illustrates, in detail, the basics of HVDC extruded cable design. It presents a detailed analysis of the differences between HVAC and HVDC cables. The chapter also presents a detailed analysis of the DC electric field distribution in the typical transient conditions encountered during the service of an HVDC cable. It discusses the influence of the laying environment temperature on the steady field of an HVDC extruded cable and the effects of impulses superimposed to the DC voltage, which gives rise to a novel statistical approach to the selection of impulse voltage test levels for HVDC extruded cables. The chapter presents an overview of the problems involved by the modification of the stress distribution by trapped space charge effects. It reviews the polyethylene-based dielectrics for designing and manufacturing HVDC extruded cables, and morphology of polyethylene from the viewpoint of its influence on the performances of HVDC cable insulation.



Standards related to Polyethylene

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Jobs related to Polyethylene

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