1 (POWER SUPPLY) SUBMITTED BY: Michael Vincent Montero Crisdane Dave Caldea Leo Cantomayor Kevin Bocatera Joe Mar Flores 3-BSCpE INTRODUCTION A power supply is a device that supplies electric power to an electrical load. The term is most commonly applied to electric power converters that convert one form of electrical energy to another‚ though it may also refer to devices that convert another form of energy (mechanical‚ chemical‚ solar) to electrical energy. A regulated power supply is
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A PROJECT REPORT ON VARIABLE POWER SUPPLY GUIDED BY Mrs. PALLAVI INGLE PREPARED BY DHARANG SHAH JIGNESH VYAS 10EC154 09EC065 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING YEAR: 2010 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING SAL INSTITUTE OF TECHNOLOGY AND ENGINEERING RESEARCH AHMEDABAD-380060 CERTIFICATE This is to certify that the following students of the third semester Electronics and Communication Engineering have successfully submitted the project
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PROJECT REPORT UNINTERRUPTED POWER SUPPLY [pic] SUBMITTED TO: - SUBMITTED BY:- Mr. Harpreet Singh Soch Simranjeet Singh (2329) Avneet Kaur (2281) Kulwinder Kaur (7933)
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White Paper #1 The Different Types of UPS Systems Revision 5 By Neil Rasmussen 2003 American Power Conversion. All rights reserved. No part of this publication may be used‚ reproduced‚ photocopied‚ transmitted‚ or stored in any retrieval system of any nature‚ without the written permission of the copyright owner. www.apc.com Rev 2004-5 2 Executive Summary There is much confusion in the marketplace about the different types of UPS systems and their
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Objectives To design a 12-volt DC power supply with a maximum output current of 200mA. To reduce the ripple factor to a value less than 0.1%. Apparatus 120-volt rms 60Hz input 60 ohm to 1k ohm load resistor 10 to 1 step-down transformer FWB bridge Voltage Regulator 2 100nF capacitors 10uFcapacitor 4.7 uF Capacitor Overview The goal of this experiment was to construct a power supply that would convert a 120-volt 60 Hz input ‚such as that received from a wall socket‚ to a 12-volt
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5V Simple Power Supply for Digital Circuits Summary of circuit features • Brief description of operation: Gives out well regulated +5V output‚ output current capability of 100 mA • Circuit protection: Built-in overheating protection shuts down output when regulator IC gets too hot • Circuit complexity: Very simple and easy to build • Circuit performance: Very stable +5V output voltage‚ reliable operation • Availability of components: Easy to get‚ uses only very common basic
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Power Supply Regulation DC-DC voltage converters are often used to provide a regulated voltage supply from an unregulated voltage source. Unregulated voltage sources can be rectified line voltages that exhibit fluctuations due to changes in magnitude. Regulated voltage supplies provide an average DC output voltage at a desired level (3.3 V‚ 2.5 V‚ etc.)‚ despite fluctuating input voltage sources and variable output loads. Factors to consider when deciding on a regulated voltage supply solution include:
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Fundamentals of Uninterruptible Power Supply: The uninterruptible power supply‚ commonly known as UPS or the battery backup is something that is used at several places for emergency situations. An UPS is something that stores power inside it and provides power as and when required to the electric devices. It is used with several electric devices‚ such as computers‚ data centers‚ home power systems etc. The main reason why people use UPS is to provide short term supply of power to different devices for
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com/Diagnose-and-Replace-a-Failed-PC-Power-Supply) Diagnosing a Failed PC Power Supply 1Make sure that everything is plugged in. It’s entirely possible that a cord could just slip out from the outlet while you’re working. If power is present to the monitor and other peripherals‚ yet there is no power to your computer‚ there is likely something wrong with your power supply. 2Hit the power button. The most obvious clue is that the system will do absolutely nothing when you hit the power button. If there is
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Input Filter Design for Switching Power Supplies: Written by Michele Sclocchi Michele.Sclocchi@nsc.com Application Engineer‚ National Semiconductor The design of a switching power supply has always been considered a kind of magic and art‚ for all the engineers that design one for the first time. Fortunately‚ today the market offers different tools that help the designers. National Semiconductor was the first company to offer the “Simple Switcher” software‚ and an on-line simulation tool
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