Project report of DC/AC pure sine wave inverter

2013-04-04 07:02 Author: Professor Stephen J. Source: Internet Visitors: Addcomment()

Here the project report of DC/AC pure sine wave inverter. This report focuses on DC to AC electrical power inverters, which aim to efficiently transform a DC power source to a high voltage AC supply, just like electrical power that would be presented at an electrical wall outlet. Inverters are utilised for a lot of applications, as in conditions where low voltage DC sources such as batteries, solar panels or fuel cells have to be converted in order that electronic devices can run off of AC power. One instance of such a situation would be converting electrical electrical power from a vehicle battery to run a laptop, Television or mobile phone.

 The process in which the low voltage DC power source is inverted, is completed in two steps. The very first being the conversion of the low voltage DC power to a high voltage DC source, and the second step being the conversion of the high DC source to an AC waveform applying pulse width modulation. A further technique to accomplish the preferred outcome would be to first convert the low voltage DC power to AC signal, and after that use a transformer to increase the voltage to 120 volts. This project concentrated on the first method described and specifically the transformation of a high voltage DC power source into an AC output.
 
Of the various DC-AC inverters in the marketplace nowadays you will find primarily two different forms of AC output produced: modified sine wave, and pure sine wave. A modified sine wave could be seen as more of a square wave than a sine wave; it passes the high DC voltage for specified amounts of time so that the average electrical power and rms voltage would be the exact same as if it were a sine wave. These kinds of inverters are considerably cheaper than pure sine wave inverters and therefore are attractive options.
 
Pure sine wave inverters, alternatively, generate a sine wave output identical to the power coming out of an electrical outlet. These devices are capable in running more sensitive devices that a modified sine wave may possibly lead to damage to such as: laser printers, laptop computers, power equipment, digital clocks and medical gear. This form of AC power also reduces audible noise in devices such as fluorescent lights and runs inductive loads, like motors, faster and quieter because of the low harmonic distortion.

 
This project report of DC/AC Pure Sine Wave Inverter will give you the below sine wave:

MQP_D_1_2.pdf
Source:wpi.edu DC/AC Pure Sine Wave Inverter Jim Doucet Dan Eggleston Jeremy Shaw MQP Terms A­B­C 2006­2007 Advisor: Professor Stephen J. Bitar Sponsor: NECAMSID
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