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19 Dec 2012

295450-solar_inverter_teardown_fig2t

This teardown article will delve into the architectural design and components of a solar inverter card starting from the Solar panel DC inputs and working our way through the DC to AC conversion process to the AC output that is sent out to the power grid. We will show what features need to be implemented into such a design to meet various safety and other performance standards as well as stringent power company demands upon the signal that is put onto their grid.

Teardown: The power inverter – from sunlight to power grid - [Link]

26 Sep 2011

timnolan.com writes:

For the last year I’ve been working on a prototype for a Solar Inverter that can be Grid Intertied. A solar inverter takes the 12V DC (or other voltages) from the solar panels and converts it to 120V AC which is the power that most of your household appliances use. A Grid-Intertied inverter allows you to feed that power back into power grid (your house power) to help power your household appliances.

My goal was to design a small inverter, about 100W, that could be used with one solar panel and could be grid intertied. My second prototype (pictured above) has achieved these design goals. So on these web pages I’m going to document the design of the hardware and the software of my solar inverter. I’m releasing these designs to public without restrictions. All I ask is that if you use any of my design that you credit me and add a link back to this website. I hope these designs will help further the work of other people in this area.

Solar Grid-Intertie Inverter - [Link]

5 Mar 2011

If you need a 5 to 10 volt DC power source and only have a couple AA batteries, here’s a simple solution from CoolCircuits. It uses four transistors and a handful of passive components to produce an adjustable 5 to 10 volt output from 1.5 to 4.5 volt input. [via]

1.5 to 10 volt inverter – [Link]

14 Oct 2008

There are two major types of backlights for LCDs: LEDs, which stands for light emitting diode, or EL, which stands for electroluminescent. EL backlights tend to be more efficient and have more uniform lighting than LED ones, but they require some tricky circuitry to drive. If you’ve heard of Organic LED displays, or OLEDs, that’s basically an array of electroluminescent strips shunk down to the size of individual pixels.

Build a LCD Backlight – Electroluminescent Inverter - [Link]


1 Dec 2007

 _flouro_inverter_side-on.jpg

 Build this 20 watt Fluoro Inverter, it drives two 20-watt tubes or a 40-watt tube! It’s a circuit you can put together from junk box components or build from a kit. It’s very simple to build and requires no printed circuit board. The transformer is hand-wound on a ferrite rod (from an old transistor radio) and the winding wire can be salvaged from an old transformer.

12V Fluorescent Light Inverter - [Link]



 
 
 

 

 

 

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