Abstract
The term high voltage characterizes electrical circuits in which the voltage used is the cause of particular safety concerns and insulation requirements. High voltage is used in electrical power distribution, in cathode ray tubes, to generate X-rays and particle beams, to demonstrate arcing, for ignition, in photomultiplier tubes, and high power amplifier vacuum tubes and other industrial and scientific applications.

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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 problems that need mentioni ....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 electricity c ....etc

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Electricity often travels over very long distances to reach urban load centres. For example, the distance between Baie-James region where water from the Grande Rivi re ends up after driving the turbines in eight power stations and Montr al is about 1,000 kilometres as the crow flies. However, the farther electricity must travel, the greater the risk that part of it will be lost on the way. Since utilities invest heavily in the high-volume transmission of power over long distances, they take special steps to limit these transmission losses.W ....etc

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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 curre ....etc

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ULTRA- FAST ULTRA - HIGH INTENSE LASER

ABSTRACT

The year 2008 will probably known as the year of ultra mobile PCs with a slew of Ultra Mobile PCs being released by different companies. Ultra mobile PC promises to support wired or wireless network to which is a major plus as gives a number of options for net connection along with mobility. On the specification side the device sports s 7 inch LCD screen with a resolution is adequate for running applications. The screen is flanked b stereo speaker ....etc

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ppt on 1200 kv ultra high voltage line

Driven by need and denied help, India developed its own super computers, learnt to put satellites in space and mastered the pressurised heavy water reactor nuclear technology. While these do not make India a scientific super power, they do fetch the country a measure of respectability.

Now, the same need is driving India to the cutting edge of technologies in another field power transmission.

The 400-km distance between Wardha and Aurangabad may not be very long, but the cables which connect the two ci ....etc

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