Introduction

An inverter is an electrical device that converts direct current (DC) to alternating current (AC); the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits.
Static inverters have no moving parts and are used in a wide range of applications, from small switching power supplies in computers, to large electric utility high-voltage direct current applications that transport bulk power. Inverters are co ....etc

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http://research.ijcaonlinevolume45/number7/pxc3879125.pdf

http://enggjournalsijet/docs/IJET10-02-05-24.pdf

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To get full information or details of triac based sound scanner for audio controlled ac 230v lamps please have a look on the pages

http://scribddoc/51034179/LIVE-PROJECTS#scribd

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I need ppt on temperature based ceiling fan speed control system 230v ac motor using microcontroller 8051 to make mini project i also require circuit diagram and assembly language program.
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How to use a mains transformer (for instance 110-230 Volt and 50-60 Hz) in an electronic project. Do's and dont's with mains transformers in home brew electronics.

Saturation of the core means that the core gets more or less permanenty magnetised. In that case the magnetic field is not built up (and decreased) quickly enough (50 Hz -60 Hz), the permanent field acts as a sort of brake for quick magnetic changes and the power cannot be well transferred from the primary to the secundary coil. The core gets heated up more or less, it gives los ....etc

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Step down transformers are designed to reduce electrical voltage. Their primary voltage is greater than their secondary voltage. This kind of transformer steps down the voltage applied to it. For instance, a step down transformer is needed to use a 110v product in a country with a 220v supply.

Step down transformers convert electrical voltage from one level or phase configuration usually down to a lower level. They can include features for electrical isolation, power distribution, and control and instrumentation applications. Step down tra ....etc

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Remote Control of Electrical Appliance using
Wireless Technology GSM

Introduction
Wide growth of wireless communication made me think of
using the mobile phones for controlling the electrical
appliance .This can be done simply by sending an SMS from
the users handset .The system do not require any wired
connections for the automatic control of electrical appliance
it can just be done with the help of a Micro controller
interfaced with the GSM modem .A system being proposed
is economical, robust to use and portable. An individual ....etc

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