The High frequency attenuation in shielded distribution cable has been extensively studied. But in the case of solid dielectric cable, this has not been done. A solid dielectric cable has a bit more complex structure including the semiconducting bedding layers and a moisture barrier.high frequency loss is created by these sources.The purpose of these bedding layers is to seal the cable against moisture ingress and also accomodate for the thermal expansion of the cable. The cables studied here are the ones with a corrugated copper sheath and ....etc

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A Technique for Orthogonal Frequency Division Multiplexing
Frequency Offset Correction

Abstract:
The Orthogonal Frequency Division Multiplexing (OFDM) is a Multi Carrier Modulation technique employing Frequency Division Multiplexing of orthogonal subcarriers. It is also sometimes called as discrete multitone modulation (DMT). It is better than CDMA in high bit rate and Broadband Communications .It is a multi carrier technique, which is very sensitive to Frequency Offset between transmitter and receiver. Th ....etc

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to get information about the topic gas insulated transmission lines full report ,ppt and related topic refer the page link bellow

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Hii!
i want more details about fractional order pid,
by genetic algorithm or Pso algorithm or ..

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To get full information or details of ppt of wireless power transmission a next generation power transmission system please have a look on the pages

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pOWER TRANSMISSION THROUGH FRACTIONAL
FREQUENCY SYSTEM


ABSTRACT

The fractional frequency transmission system FFTS is a very promising long -distance transmission approach, which uses lower frequency (50/3) to reduce the electrical length of the AC power line, and thus its transmission capacity can be increased several fold . This paper introduces the primary experiments results of FFTS.

The experiment uses the phase-controlled cycloconverter as the frequency changer, stepping up 50/3Hz electricity to 50Hz electricity and ....etc

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Simona Coman1, V. Comnac1, Member IEE, Cr. Boldisor1, D.C. Dumitrache2
1Automation Department, Transilvania University of Brasov, 5 M.Viteazu Str.,
500174 Brasov, Romania, phone/fax: +40 0268 418836,
2 Department of Automatic Control, Technical University of Cluj-Napoca,
26-28 Gh. Baritiu Str., 400027 Cluj-Napoca, Romania



Abstract

The distributed control systems with communication
networks are used in many industrial applications. These systems
are often referred as Networked Control Syste ....etc

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CHAPTER-1

INTRODUCTION

1.1 History

Increasing transmission distance and capacity is always the motivation to advance power industry technologies . In the history of the ac transmission system, increasing distance and capacity mainly depends on raising voltage level of transmission lines. At present, the highest voltage level of the ac power transmission line in operation is 750 kV. To further upgrade, the voltage level encounters difficulties of material and environment issues. The high-voltage direct current (H ....etc

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