sir,
i need a detailed description on water cooler with water heater with air conditioning ....etc

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A Single-Phase High Power Factor Rectifier,
Based on a Two-Quadrant Shunt Active Filter



Abstract

This paper presents a new technique to improve the
input power factor of a single-phase rectifier followed by an
inductive filter. It consists in the employment of a two-quadrant
active power filter, based on a conventional bidirectional DC-DC
converter, connected to the output side of the diode bridge. This
technique allows the extension of this rectifier range operation in
the continuous conduction ....etc

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To get full information or details of automatic power factor controller using 8051 microcontroller circuit diagram please have a look on the pages

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An Integrated Silicon Carbide (SiC) Based Single Phase Rectifier with Power Factor Correction



I. INTRODUCTION
Power supplies are one of the most crucial building
blocks of a modern society, converting high-voltage AC
into low-voltage DC for use in electronic circuitry in office
equipment, telecommunication, and consumer electronics.
Over 2.5 billion AC/DC power supplies are currently in use
in the United States alone, about 6 to 10 billion are in use
worldwide, thus improv ....etc

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automatic power factor controller - Presentation Transcript



1. Power Factor & APFC By: Ravi Shankar Singh
2. What is power factor ? Power Factor = Active Power (kW)/Apparent Power (kVA) PF 1.0 Usually P.F is always Lag (Inductive) Some time P.F can be Lead (Capacitive).
3. Origin of Low Power Factor
Electrical Equipment need Reactive Power
Inductive loads draw Reactive Power
Phase difference between current & Voltage reduces Displacement PF .
Reactive Power to ma ....etc

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Abstract
This work describes a novel method in improving the
input current total harmonic distortion (THD) as well as the power
factor of a three-phase suppressed-link rectifier-inverter circuit.
This proposed method makes use of only three bi-directional low
power static switches with a relatively simple gating circuit. This
paper illustrates how the proposed method is superior in reducing
the input current THD of a rectifier-inverter set to about 5%,
which is in line with the requirements of IEE standard 519 1992.
This is acc ....etc

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http://seminarsprojects.net/Thread-automatic-power-factor-control

http://seminarsprojects.net/Thread-automatic-power-factor-controller-presentation-transcript

http://seminarsprojects.net/Thread-automatic-power-factor-controller-cum-rectifier

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Presented By:
Rahul Ranjan
Rahul Srivastava
Ravi Shankar Patel
Rishu Raj Singh
Shashi Bhushan


AUTOMATIC POWER FACTOR CONTROLLER CUM RECTIFIER
Project Aim
This project discusses the need for power factor correction and provided a suitable do-it-yourself (DIY) solution that could be used for small-scale industries and establishments.
In small industrial units where the load is contributed by a number of inductive appliances, it is cumbersome to switch in capacitor banks at the power entry poin ....etc

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