Almost all firms use UPS systems. They maintain the continuity of supply in case of power outages. But all UPS equipments regardless of manufacturer should be completely de-energized for preventive maintenance at least once per year. This limits the availability of the power system. But now a -days certain configurations of the UPS systems are there to permit concurrent maintenance so that we can overcome the above problem. Each of the system configurations described in this paper has its own advantages and disadvantages. The single module syst ....etc

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High-availability power systems: Redundancy options

In major applications like major computer installations, process control in chemical plants, safety monitors, IC units of hospitals etc., even a temporary power failure may lead to large economic losses. For such critical loads, it is of paramount importance to use UPS systems.

But all UPS equipments should be completely de-energized for preventive maintenance at least once per year. This limits the availability of the power system. Now there a ....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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ABSTRACT
Almost all firms use UPS systems. They maintain the continuity of supply in case of power outages. But all UPS equipments regardless of manufacturer should be completely de-energized for preventive maintenance at least once per year. This limits the availability of the power system.
But now-a “days certain configurations of the UPS systems are there to permit concurrent maintenance so that we can overcome the above problem.

INTRODUCTION
In major applications like major computer installations, process ....etc

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Almost all firms use UPS systems. They maintain the continuity of supply in case of power outages. But all UPS equipments regardless of manufacturer should be completely de-energized for preventive maintenance at least once per year. This limits the availability of the power system. But now a -days certain configurations of the UPS systems are there to permit concurrent maintenance so that we can overcome the above problem. Each of the system configurations described in this paper has its own advantages and disadvantages. The single module syst ....etc

[:=Read Full Message Here=:]

ppt
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Almost all firms use UPS systems. They maintain the continuity of supply in case of power outages. But all UPS equipments regardless of manufacturer should be completely de-energized for preventive maintenance at least once per year. This limits the availability of the power system.

But now a ?days certain configurations of the UPS systems are there to permit concurrent maintenance so that we can overcome the above problem.

Each of the system configurations described in this paper has its own advantages and disadva ....etc

[:=Read Full Message Here=:]

Evaluation of AC VRM Topologies for High-Frequency Power Distribution Systems


I. INTRODUCTION
Today’s high-speed microprocessors represent highly
dynamic power loads that necessitate the use of distributed
power architectures. Typically, these distributed powerdelivery
systems use a conventional multiple-output “silver
box” as a front end to supply power directly to “not-sodynamic”
loads (e.g., disk drives) and to generate a dc bus for
distrib ....etc

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can you please send me the power point presentation for the topic High availability power systems Redundancy options. immediately.
yours sincerely.
saliha ....etc

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Introduction

In major applications like major computer installations, process control in chemical plants, safety monitors, IC units of hospitals etc., even a temporary power failure may lead to large economic losses. For such critical loads, it is of paramount importance to use UPS systems.

But all UPS equipments should be completely de-energized for preventive maintenance at least once per year. This limits the availability of the power system. Now there are new UPS systems in the market to permit concurrent maintenance.

High-Availab ....etc

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