INTRODUCTION:
The main function of any transmission system is transfer power from a place to
another place or from a network to another network..
Any transmission system consists terminal substations,transmission lines and
intermediate substations.
The increasing need of transmission of greater power led to continuous
increase in the transmission voltages.By the urge Extra High Voltage tran-
smission is introduced.
HISTORY:
In 1886 in Great Barrington, Massachusetts, a 1 kV alternating cu ....etc

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what is simulation of extra high voltage long transmission lines. ....etc

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ULTRA HIGH VOLTAGE TRANSMISSION


INTRODUCTION

Not only is global energy consumption steadily growing, but energy is increasingly being drawn from resources located far from the place of usage. The topic of transporting energy over long distances is growing in importance.

Oil is often shipped in super-tankers and gas in pipelines. Coal for electricity production uses rail transportation, a solution that can require the costly reinforcement of tracks. It may be more economical to generate the el ....etc

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Extra high voltage ac transmission engineering



It is nearly a decade since the publication of the Second Edition of this text-reference book
authored by me and needs a revision. No significant developments have taken place in the
basic theory and principles of e.h.v. transmission engineering, except for increase in
transmission-voltage levels, cables, magnitudes of power-handling capabilities, as well as of
course the cost of equipment and lines.
But two probl ....etc

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Abstract—

This paper proposes a new soft-switched continuousconduction- mode (CCM) boost converter suitable for high-power applications such as power factor correction, hybrid electric vehicles, and fuel cell power conversion systems. The proposed converter achieves zero-voltage-switched (ZVS) turn-on of active switches in CCM and zero-current-switched turn-off of diodes leading to negligible reverse-recovery loss. The components’ voltage ratings and energy volumes of passive components of the proposed converter are greatly reduce ....etc

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please provide detailed data for high voltage a c transmission . ....etc

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Submitted by
Ashish Kumar
Keerti Kr. Mahawar
Nishant Bansal
Nitesh Garg
Palak Kumar Jain


SIMULATION OF EXTRA HIGH VOLTAGE LONG TRANSMISSION LINES
ABSTRACT
The electrical power system mainly consists of three principle divisions the generating stations, y he transmission system and the distribution system. The transmission lines are the connecting links between generating station and the distribution system and lead to other power system interconnections.
Now a day, we are using Extra High Voltage (E ....etc

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Hi, ....etc

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A High Input Voltage Three-Phase ZVZCS DC-DC Converter with Vin /3 Voltage Stress on Primary Switches
Abstract
A high-voltage three-phase ZVZCS dc-dc converterwith low voltage stress is presented in this paper. The voltagestress on the primary switches is only one-third of the inputvoltage. By using the phase shift pulsewidth modulation (PWM)and secondary snubber, four of the six primary switches areoperating with zero-voltage switching (ZVS) and two of them areoperating with zero-current switching (ZCS), in order to reducethe switch ....etc

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images of high trnsmission and circuit iagram of the ehvac system
....etc

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